62
Order No. LED TV Model No. Chassis This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. Haier Group ©2010 Qingdao Haier Electronics Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. SERVICE MANUAL WARNING Service Model TV1007S003V0 ZORAN745 HL37XLE2 HL37XLE2a

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Page 1: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Order No.

LED TV

Model No.

Chassis

This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

Haier Group

©2010 Qingdao Haier Electronics Co., Ltd.All rights reserved. Unauthorized copying and distribution is a violation of law.

SERVICE MANUAL

WARNING

Service Model

TV1007S003V0

ZORAN745

HL37XLE2HL37XLE2a

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CONTENTS

Chapter 1.General Information1-1. Document Information ....................................................................... 31-2. General Guidelines .............................................................................. 31-3. Important Notice ................................................................................... 3

1-3-1. Follow the regulations and warnings ..................................................... 31-3-2. Be careful to the electrical shock ........................................................... 31-3-3. Electro static discharge (ESD) ............................................................... 31-3-4. About lead free solder (PbF) .................................................................. 41-3-5. Use the genewing parts (specifi ed parts) .............................................. 41-3-6. Safety check after repairment ................................................................ 41-3-7. Ordering Spare Parts ............................................................................. 61-3-8. Photo used in this manual ..................................................................... 6

1-4. How to Read this Service Manual .................................................. 71-4-1. Using icons: ........................................................................................... 7

Chapter 2. Specifi cation2-1. Specifi cation list ................................................................................... 82-2. External pictures (four faces) .......................................................... 9

Chapter 3. Disassemble and Assemble3-1. Remove the Stand ............................................................................. 113-2. Remove the Back Cover .................................................................. 113-3. Remove the Adhesive Tape ............................................................ 113-4. Remove the Mainboard .................................................................... 113-5. Remove the Power Supply Modules ........................................... 123-6. Remove the Terminal Bracket ....................................................... 123-7. Remove the Remote Control Board ............................................ 123-8. Remove the Speaker ......................................................................... 123-9. Remove the Stand Backstop ......................................................... 123-10. Remove the Indicator Light .......................................................... 12

Chapter 4. Location of Controls and Components4-1. Board Location ................................................................................... 134-2. Main Board & AV Board ................................................................... 13

4-2-1. Function Description: ........................................................................... 144-2-2. Connector defi nition ............................................................................. 14

4-3. Power Supply Board ......................................................................... 15

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4-3-1. Function description:............................................................................ 164-3-2. Connector defi nition: ............................................................................ 16

4-4. LCD Panel ............................................................................................. 164-4-1. Function Description: Display the signal. ............................................. 174-4-2. Connector defi nition: ............................................................................ 17

Chapter 5. Installation Instructions5-1. External Equipment Connections ................................................ 19

Chapter 6. Operation Instructions6-1. Front Panel Controls ......................................................................... 246-2. Back Panel Controls ......................................................................... 256-3. Setting Up Your Remote Control .................................................. 26

Chapter 7. Electrical Parts7-1. Block Diagram ..................................................................................... 277-2. Circuit Diagram ................................................................................... 287-2. Circuit Diagram ................................................................................... 448-1. Service Mode ...................................................................................... 45

8-1-1.How to enter into Service Mode............................................................ 458-1-2.How to exit ............................................................................................ 45

8-2. Measurements and Adjustments .................................................. 458-2-1. Software Upgrade ................................................................................ 45 ...................................................................................................................... 45 (See picture on the next page.) ................................................................. 458-2-2. Auto Color ............................................................................................ 468-2-3. white Balance/Color Temp. ................................................................. 478-2-4. Picture Mode........................................................................................ 488-2-5. Audio Mode .......................................................................................... 498-2-6. SSPLL Setting ..................................................................................... 508-2-6. Aging Mode .......................................................................................... 508-2-7. Reset to default.................................................................................... 518-2-8. Reset all settings to default.................................................................. 52

Chapter 9. Trouble shooting9-1. Simple check ....................................................................................... 539-2. Mainboard Failure Check ............................................................... 549-3. Pannel Failure ..................................................................................... 55

4

C5C666C7778

8

C99

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Chapter 1.General Information

1-1. Document Information

Document format: Adobe PDFAuthor:Wang NanaCompiler:Bao Qinghong

1-2. General Guidelines

When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.1) Leakage Current Cold Check2) Leakage Current Hot Check3) Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive

1-3. Important Notice

1-3-1. Follow the regulations and warnings

Most important thing is to list up the potential hazard or risk for the service personnel to open the units and disassemble the units. For example, we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged electrical parts (even the power is off).

This symbol indicates that high voltage is present inside.It is dangerous to make any kind of contact with any inside part of this product.

This symbol indicates that there are important operating and maintenance instructions in the literture accompanying the appliance.

1-3-2. Be careful to the electrical shock

To prevent damage which might result in electric shock or fire, do not expose this TV set to rain or excessive moisture. This TV must not be exposed to dripping or splashing water, and objects fi lled with liquid, such as vases, must not be placed on top of or above the TV.

1-3-3. Electro static discharge (ESD)

Some semiconductor (solid state) devices can be damaged easily by static electricity.

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Such components commonly are called Electrostatically Sensitive (ES) Devices. The following techniques should be used to help reduce the incidence of component damage caused by electros static discharge (ESD).

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the ncidence of component damage caused by static by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.

1-3-4. About lead free solder (PbF)

This product is manufactured using lead-free solder as a part of a movement within the consumer products industry at large to be environmentally responsible. Lead-free solder must be used in the servicing and repairing of this product.

1-3-5. Use the genewing parts (specifi ed parts)

Special parts which have purposes of fi re retardant (resistors), high-quality sound (capacitors), low noise (resistors), etc. are used.

When replacing any of components, be sure to use only manufacture's specifi ed parts shown in the parts list.

Safety Component

● Components identifi ed by mark have special characteristics important for safety.

1-3-6. Safety check after repairment

Confi rm that the screws, parts and wiring which were removed in order to service are put in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades. And be sure the safety of that.

General Servicing Precautions

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1. Always unplug the receiver AC power cord from the AC power source before: a. Removing or reinstalling any component, circuit board module or any other receiver

assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver.

CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard.

2. Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage probe. Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of its assemblies.

4. Unless specified otherwise in this service manual, clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable non-abrasive applicator; 10% (by volume) Acetone and 90% (by volume) isopropyl alcohol (90%-99% strength).

CAUTION: This is a fl ammable mixture. Unless specifi ed otherwise in this service manual, lubrication of contacts is not required. Capacitors may result in an explosion hazard.

5. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by this service manual might be equipped.

6. Do not apply AC power to this instrument and/or any of its electrical assemblies unless all solid-state device heat sinks are correctly installed.

7. Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead.

Always remove the test receiver ground lead last. Capacitors may result in an explosion hazard.

8. Use with this receiver only the test fi xtures specifi ed in this service manual.

CAUTION: Do not connect the test fi xture ground strap to any heat sink in this receiver.

9. Remove the antenna terminal on TV and turn on the TV.

10. Insulation resistance between the cord plug terminals and the eternal exposure metal should be more than Mohm by using the 500V insulation resistance meter.

11. If the insulation resistance is less than M ohm, the inspection repair should be required. If you have not the 500V insulation resistance meter, use a Tester. External exposure metal: Antenna terminal Headphone jack.

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12. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

13. Use only an anti-static type solder removal device. Some solder removal devices not classifi ed as "anti-static" can generate electrical charges suffi cient to damage ES devices.

14. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

15. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it.(Most replacement ES devices are packaged with leads electrically shorted together by

conductive foam, aluminum foil or comparable conductive material).

16. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed.

CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

17. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted fl oor can generate static electricity suffi cient to damage an ES device.)

1-3-7. Ordering Spare Parts

Please include the following informations when you order parts. (Particularly the Version letter)

1. Model number, serial number and software versionThe model number and serial number can be found on the back cover of each product. Software

version can be found in the Spare Parts List.

2. Spare part No. and descriptionSpare part No. and description can be found in the Spare Parts List.

1-3-8. Photo used in this manual

The illustration and photos used in this Service Manual may not base on the final design of products, which may differ from your products in some way.

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1-4. How to Read this Service Manual

1-4-1. Using icons:Icons are used to attract the attention of the reader to specific information. The

meaning of each icon is described in the table below:

Note:A “note” provides information that is not indispensable, but may nevertheless be

valuable to the reader, such as tips and tricks.

Caution:A “caution” is used when there is danger that the reader, through incorrect

manipulation, may damage equipment, loose data, get an unexpected result or has to restart(part of) a procedure.

Warning:A “warning” is used when there is danger of personal injury.

Reference:A “reference” guides the reader to other places in this binder or in this manual,

where he/she will fi nd additional information on a specifi c topic.

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Model HL37XLE2Screen Size 37 inch

Aspect Ratio 16:9

Resolution 1920x1080

Response Time (ms) 6.5 (G TO G)

Angel of View 178o

Color Display 16777216No. of Preset Channels 181OSD Language English

Color System ATSC

Audio System NTSC

Audio Output Power (Built-in) (W)

10W×2

Audio Output Power (outer) (W)

No

Total Power Input (W) 90W

Voltage Range (V) 120V

Power Frequency (Hz) 60HZ

Time of Sleep Timer (MINS) 120Min

Net Weight (KG) 19.69

Gross Weight (KG) 21.2

Net Dimension (MM) 910*260*644

Packaged Dimension (MM) 1200*255*690

Chapter 2. Specifi cation2-1. Specifi cation list

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2-2. External pictures (four faces)

Front Side

Left Side

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Service Manual Model No.: HL37XLE2

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Right Side

Back Side

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3-4. Remove the Mainboard

Chapter 3. Disassemble and Assemble

3-1. Remove the Stand

1. Lay down the unit so that back cover faces upward

2. Remove the five screws from the back cover which are indicated with the circles in the picture above.

3. Remove the stand

3-2. Remove the Back Cover

1. Remove the thirteen screws indicated (See picture right.)

2. Then remove the back cover from the unit.

3-3. Remove the Adhesive Tape

The location of the adhesive tape is shown below.

Remove the adhesive tape.

Remove the four screws indicated by the red circles in the picture. (See next page.)

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Then put the terminal bracket to the side. Disconnected the coupler CNE1 CNE2 CN14 CN11 CN17 CON2.Remove the Mainboard.

3-5. Remove the Power Supply Modules

Remove the four screws indicated by the red circles in below picture.

Then remove the power supply module.

3-6. Remove the Terminal Bracket

3-7. Remove the Remote Control Board

Remove the one screw indicated by red circles in below picture.

Disconnected the coupler CNE3 and CNE2Remove the remote control board.

3-8. Remove the SpeakerRemove the four rubber bands indicated by

the red circles in below picture. Take out the speakers.

3-9. Remove the Stand BackstopRemove the six screws indicated by the red

circles in below picture. Take out the stand backstop.

3-10. Remove the Indicator Light

Remove the two screws indicated by red circles in below picture.

Disconnected the coupler CN2,Remove the indicator light.

Remove the six screws indicated by the red circles in below picture.

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Chapter 4. Location of Controls and Components

4-1. Board Location

No. Parts number Description

A DC1CW0E0100M Main Board(0090725996)

B 0094001856A Power Board

C 0094001901DA Panel

4-2. Main Board & AV Board

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4-2-1. Function Description:

Main Board Process signal which incept from exterior equipment then translate into signal that panel can display.

4-2-2. Connector defi nition

Main board connectorPower connectors (CN17)

CN17

Pin number Signal name Pin number Signal name

1 +12V 7 5V_STB2 +12V 8 BRT_CNTL_OUT3 GND 9 GND4 +12V 10 SW_POWER5 GND 11 NC6 GND 12 BL_ON/OFF

Notes:CN17-Pin 12: Backlight on/off:The system can turn on or turn off the backlight of TFT LCD Panel through the power supply

unit path.CN17-Pin 10: System power on / standbySystem board will use this pin to control system power.CN17-Pin 8: Control the luminance of backlightThe system can generate the PWM signal to control the strength of TFT LCD Panel’s

backlight through this connector

Pin number Signal name Description1 5VS 5V2 IR-IN IR3 LEDR LAMP RED4 LEDB LAMP BLUE5 GND GND

Remote connector (CNE1)

Pin number Signal name Description1 GND GND

2 KEY0 KEY03 KEY1 KEY14 3.3VS 3.3V

Keypad connector (CNE2)

CN17

Pin number Signal name Pin number Signal name

1 +12V 7 5V_STB2 +12V 8 BRT_CNTL_OUT3 GND 9 GND4 +12V 10 SW_POWER5 GND 11 NC6 GND 12 BL_ON/OFF

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Speaker connector (CON2)

Pin number Signal name Description1 L+ L+2 L- L-3 R- R-4 R+ R+

Other connectors:CNB2 to Upgrade the program of ZORAN745 (U1) AND FLASH (U3)

4-3. Power Supply Board

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4-3-1. Function description:

To supply power for Mainboard, Panel.

4-3-2. Connector defi nition:

INPUT CONNECTOR (CON2/CON3)

4-4. LCD Panel

CON2 CON3

Pin number Signal name Pin number Signal name

1 +12V 1 +24V2 +12V 2 +24V3 GND 3 +24V4 +12V 4 +24V5 GND 5 +24V6 GND 6 GND7 +5VSB 7 GND8 PWM_DIMMING 8 GND9 GND 9 GND

10 PW_ON/OFF 10 GND11 STATUS 11 NC12 BL_ON/OFF 12 BL_ON/OFF CONTROL SIGNAL

13 PWM_DIMMING14 STATUS

T370HW04 V4

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4-4-1. Function Description: Display the signal.

4-4-2. Connector defi nition:

PIN Symbol Description PIN Symbol Description

1 GND Ground 26 GND Ground

2 NC No connection 27 GND Ground

3 Reserved AUO Internal Use Only 28 CH2_0- LVDS Channel 2, Signal 0-

4 Reserved AUO Internal Use Only 29 CH2_0+ LVDS Channel 2, Signal 0+

5 NC No connection 30 CH2_1- LVDS Channel 2, Signal 1-

6 Reserved AUO Internal Use Only 31 CH2_1+ LVDS Channel 2, Signal 1+

7 LVDS_SEL Open/High(3.3V) for NS,

Low(GND) for JEIDA 32 CH2_2- LVDS Channel 2, Signal 2-

8 Reserved AUO Internal Use Only 33 CH2_2+ LVDS Channel 2, Signal 2+

9 Reserved AUO Internal Use Only 34 GND Ground

10 Reserved AUO Internal Use Only 35 CH2_CLK- LVDS Channel 2, Clock -

11 GND Ground 36 CH2_CLK+ LVDS Channel 2, Clock +

12 CH1_0- LVDS Channel 1, Signal 0- 37 GND Ground

13 CH1_0+ LVDS Channel 1, Signal 0+ 38 CH2_3- LVDS Channel 2, Signal 3-

14 CH1_1- LVDS Channel 1, Signal 1- 39 CH2_3+ LVDS Channel 2, Signal 3+

15 CH1_1+ LVDS Channel 1, Signal 1+ 40 Reserved AUO Internal Use Only

16 CH1_2- LVDS Channel 1, Signal 2- 41 Reserved AUO Internal Use Only

17 CH1_2+ LVDS Channel 1, Signal 2+ 42 GND Ground

18 GND Ground 43 GND Ground

19 CH1_CLK- LVDS Channel 1, Clock - 44 GND Ground

20 CH1_CLK+ LVDS Channel 1, Clock + 45 GND Ground

21 GND Ground 46 GND Ground

22 CH1_3- LVDS Channel 1, Signal 3- 47 NC No connection

23 CH1_3+ LVDS Channel 1, Signal 3+ 48 VDD Power Supply, +12V DC Regulated

24 Reserved AUO Internal Use Only 49 VDD Power Supply, +12V DC Regulated

25 Reserved AUO Internal Use Only 50 VDD Power Supply, +12V DC Regulated

51 VDD Power Supply, +12V DC Regulated

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CN1 (Header):S14B-PH-SM4-TB (D)(LF)(JST) or equivalent.

LED Driver Connector: CI1114M1HR0-NH (Cvilux)

Pin No Symbol Description

1 VDDB Operating Voltage Supply, +24V DC regulated

2 VDDB Operating Voltage Supply, +24V DC regulated

3 VDDB Operating Voltage Supply, +24V DC regulated

4 VDDB Operating Voltage Supply, +24V DC regulated

5 VDDB Operating Voltage Supply, +24V DC regulated

6 BLGND Ground and Current Return

7 BLGND Ground and Current Return

8 BLGND Ground and Current Return

9 BLGND Ground and Current Return

10 BLGND Ground and Current Return

11 DET BLU status detection

Normal : 0~0.8V L Abnormal : Open collector

12 VBLON

BL On-Off control :

BL On : High/Open (3.3V~5.5V);

BL off : Low (0~0.8V/GND)

13 VDIM(**) Internal PWM (0~3.3V for 20~100% Duty, open for 100%)

< NC ; at External PWM mode>

14 PDIM External PWM (10%~100% Duty, open for 100%)

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Chapter 5. Installation Instructions5-1. External Equipment Connections

Remote control Owner’s manual Audio out adapter Alkaline battery (AAA) x2

Antenna Connection

Over-the-air TV reception quality will depend on your antenna type, antenna location and antenna positioning.

AN

TIN

VHF AntennaUHF Antenna

Turn clockwise to tighten

Bronze Wire

Be careful not to bend the bronze wire when connecting the antenna.

Bronze Wire

Multi-family Dwellings/Apartments (Connect to wall antenna socket) Wall Antenna Socket

RF Coaxial Wire (75 ohm)

Single-family Dwellings /Houses (Connect to wall jack for outdoor antenna) Outdoor Antenna

To improve the picture quality in a poor signal area, please purchase a signal amplifier and install properly.

If the antenna needs to be split for two TV’s, install a “2-Way Signal Splitter” in the connections.

To install the antenna properly please contact a professional in your area.

Note

All cables shown are not included with the TV.

PLAY/PAUSE

REV

REPEAT

GUIDE

MTS/SAP

CCD ARC

FREEZE

ENTER

STOPUSB REC

PREV NEXT

CH.LIST

FAVORITE

TV

STB

INPUT

MUTE

VOL CH

MENU

SLEEP DISPLAY

EXIT

RECALL

PICTURE AUDIO PC HDMI

CABLE VCR AUD

DVD

ANT

IN

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Installation

Choose Your Connection

There are several ways to connect your television, depending on the components you want to connect and the quality of the signal you want to be displayed. The following are examples of some different ways to connect your TV with different input sources.

Connecting a VCR

To avoid picture noise (interference), leave an adequate distance between the VCR and TV.

Back of VCR

Back of TV

Video= yellowAudio left= whiteAudio right= red

AV IN

Connection Option 1Set VCR output switch to channel 3 or 4 and then tune the TV to the same channel number.

Connection Option 2

Connect the audio and video cables from the VCR’s Aoutput jacks to the TV input jacks, as shown in the figure. When connecting the TV to VCR, match the jack colors (Video = yellow, Audio Left = white, and Audio Right = red).

Insert a video tape into the VCR and press B PLAY on the VCR. (Refer to the VCR owner’s manual.)

Select the input source with using theC INPUT button on the remote control, and then press / button to select the source, press ENTER button to confirm.

External A/V Source Setup

How to connect

Connect the audio and video cables from the •external equipment’s output jacks to the TV input jacks, as shown in the figure.

When connecting the TV to external equipment, •match the jack colors (Video = yellow, Audio Left = white, and Audio Right = red).

Camcorder or videogame set

Video= yellowAudio left= whiteAudio right= red

Back of TVAV IN

How to use

Select the input source using the A INPUT button on the remote control.

Press theB / buttons to select the desired source.

Press the C ENTER button to confirm.

Operate the corresponding external equipment.D

Connecting a DVD player

How to connect

Connect the DVD video outputs (COMPONENT) to Athe Y Pb Pr jacks on the TV and connect the DVD audio outputs to the Y Pb Pr Audio IN jacks on the TV, as shown in the figure.

Alternatively, you can connect the DVD player to Byour TV using the audio and video jacks, similar to connecting a VCR (refer to the previously shown VCR figure).

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COMPONENT

Component video device

Component video cable:Green=YBlue=CB/PBRed=CR/PR

Audio cable:White=Left audioRed=Right audio

Back of TV

How to use

Turn on the DVD player, and insert a DVD disc.A

Use the B INPUT button on the remote control to select component mode.

Press the C PLAY button on the DVD player for program play.

Refer to the DVD player’s manual for operating Dinstructions.

Component Input ports To get better picture quality, connect a DVD player to the component input ports as shown below.

Component ports on the TV Y Pb Pr

Video output ports on DVD player

YYYY

Pb B-YCbPB

Pr R-Y CrPR

Connecting a DTV (digital TV)

This TV can receive Digital Over-the-air TV signals without an external digital set-top box. However, if you do receive Digital signals from a digital set-top box or other digital external device, such as a cable box, refer to the figure below.

How to connect

Use the TV’s COMPOSITE, COMPONENT or HDMI jack •for video connections, depending on your set-top box connector. Then, make the corresponding audio connections.

How to use

Turn on the digital set-top box. (Refer to the owner’s Amanual for the digital set-top box.)

Use INPUT on the remote control to select BCOMPONENT, VGA or HDMI source.

Connecting a digital audio output

Send the TV’s audio to external audio equipment (stereo system) via the Digital Audio Output (Optical) port.

How to connect

Connect one end of an optical cable to the TV Digital AAudio (Optical) Output port.

Connect the other end of the optical cable to the Bdigital audio (optical) input on the audio equipment.

See the external audio equipment instruction manual for operation.

NoteWhen connecting with external audio equipments, such as amplifers or speakers, please turn the TV speakers off.

! Caution:

Do not look into the optical output port. Looking •at the laser beam may damage your vision.

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Service Manual Model No.: HL37XLE2

22

Connecting a computer

How to connect

To get the best picture quality, adjust the VGA Agraphics card to 1024 768.

Use the corresponding cable to connect the TV’s BVGA or DVI (Digital Visual Interface) to the PC's video output, depending on your computer connector.

Then, make the corresponding audio connection Cby connecting an audio cable from your PC's audio out or headphone jack to the TV's PC/DVI audio in jack. If using a sound card, adjust the VGA sound as required.

Back of TVPC/DVI AUDIOPC

PC IN

How to use

Turn on the computer and the TV.A

Use INPUT on the remote control to select VGA or BHDMI source.

Check the image on your TV. There may be noise Cassociated with the resolution, vertical pattern, contrast or brightness in VGA mode. If noise is present, change the VGA mode to another resolution, change the refresh rate to another rate or adjust the brightness and contrast on the menu until the picture is clear. If the refresh rate of the VGA graphic card can not be changed, change the VGA graphic card or consult the manufacturer of the VGA graphic card.

Note

Use a DVI cable.

Avoid keeping a fixed image on the TV’s screen for a long period of time. The fixed image may become permanently imprinted on the screen.

The synchronization input form for Horizontal and Vertical frequencies is separate.

Resolution

Resolution Frame frequency (Hz)

640 480 60Hz

800 60060Hz

75Hz

1024 76860Hz

75Hz

1280 102460Hz

75Hz

1360 768 60Hz

1920 1080 60Hz

HDMI and DVI input

When the source device (DVD player , Bluray player, or Set Top Box) supports HDMI.This TV supports HDCP (High-bandwidth Digital Contents Protection) protocol for Digital Contents (480p,720p,1080i).

How To Connect

Connect the source device to the HDMI port of Athis TV with an HDMI cable (not supplied with this product).

No separated audio connection is necessary.B

How To Use

If the source device supports the Auto HDMI •function, the output resolution of the source device will be automatically set to the appropriate resolution.

If the source device does not support the Auto •HDMI, you need to set the output resolution

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appropriately. To get the best picture quality, adjust the output resolution of the source device, if available, to 1280 720 for the 32" TV and 1920 x 1080 for the 37" and 42" TVs.

Press the INPUT button to select the corresponding •HDMI input source.

When the source device (DVD player , Bluray player, or Set Top Box) supports DVI.

How To Connect

Connect the source device to the HDMI port of the ATV with a HDMI-to-DVI cable (not supplied with this product).

A separated audio connection is necessary.B

If the source device has an analog audio output Cconnector, connect the source device audio output to DVI Audio In port located on the left side of the HDMI port.

How To Use

If the source device supports the Auto DVI •function, the output resolution of the source device will be automatically set to the appropriate resolution1280 720p for the 32" TV and 1920 x 1080 for the 37" and 42" TVs.If the source device does not support the Auto DVI, •you need to set the output resolution appropriately. To get the best picture quality, adjust the output resolution of the source device , if available, to 1280 720p for the 32" TV and 1920 x 1080 for the 37" and 42" TVs.Press the • INPUT button to select the corresponding HDMI input source.

Connecting Headphones

You can connect a set of headphones to your set if you wish to watch a TV program without disturbing the other people in the room.

Plug a set of headphones into the 3.5mm mini-jack socket on the side panel of the set.

Note

Prolonged use of headphones at a high volume may damage your hearing.

You will not receive sound from the speakers when you connect headphones to the system.

Power source

TO USE AC POWER SOURCE

Use the polarized AC line cord provided for operation •with AC power. Insert the AC cord plug into a standard polarized AC outlet.

Note

Never connect the AC line cord plug to other than the specified voltage. Use the attached power cord only.

If the polarized AC cord does not fit into a non- polarized AC outlet, do not attempt to file or cut the blade. It is the user’s responsibility to have an electrician replace the obsolete outlet.

If you cause a static discharge when touching the unit and the unit fails to function, simply unplug the unit from the AC outlet and plug it back in. The unit should return to normal operation.

Polarized AC Cord Plug

AC OutletWider Hole and Blade

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Chapter 6. Operation Instructions

6-1. Front Panel Controls

INPUT

CH

VOL

MENU

INPUT

CH

VOL

MENU

6

1 MENU Menu display. Press to access the on-screen menu display.

2 INPUTPress to access the input source mode. Press repeatedly to change the source to the one you want to watch.

3 VOL +/- Press to adjust the volume. In the MENU screen, these buttons serve as left/right buttons.

4 CH +/-Press to scan through channels. To scan quickly through channels, press and hold down either +/- . In the MENU screen, these buttons serve as up/down buttons.

5 POWER Press to turn on and off the TV.

6 Remote SensorReceivers IR signals from the remote control.Do not put anything near the sensor, which may block the remote control signal.

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6-2. Back Panel Controls

Introduction

Connection Options

Back panel connections

6

INPUT

CH

VOL

MENU

12

1 PC Video In Connect a video cable from a computer to this jack.

2PC/DVI Audio In

Connect the audio L/R cables from a computer to this jack.

3Component Video In

Connect a component video device to these jacks.

4COMPONENT AUDIO In

Connect the audio L/R cables from the component video signal source to these jacks.

5 HDMI In Connect a HDMI device to receive digital audio and uncompressed digital video.

6 Video In Connect a composite video device to these jacks.

7 AUDIO InConnect the audio L/R cables from the composite video signal source to these jacks.

8Antenna Input

Connect cable or antenna signals to the TV, either directly or through your cable box.

9 AUDIO OutUse the included adapter to connect the audio L/R cables to your audio equipment.

0Headphone jack Headphone audio output terminal.

A

Digital Audio Output

Connect various types of digital audio equipment.

NoteIn standby mode, these ports will not work.

B USB inputConnect a USB flash drive to view JPEG images or listen to MP3 songs.

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6-3. Setting Up Your Remote Control

The remote control cannot be operated unless the batteries are properly loaded.When using the remote control, aim it at the remote sensor on the TV.

1 POWER Press to turn on and off the TV.

2TV DVD SETBOX CABLE VCR AUD

To select one of the system modes in which the remote control can be used.

3 PICTURE Press repeatedly to cycle through the available picture modes.

4 AUDIO Press to cycle through different sound settings.

5 INPUT Show the input source menu. Use the UP/DOWN buttons to select the desired source and then press the ENTER button.

6 MUTE Switches the video sound on or off.

7 VOLUME UP/DOWN Press to adjust the volume.

8 MENU Press to open the on-screen menu. Press to go back within the on-screen menu.

9THUMBSTICK (Up/Down/Left/Right)

Allows you to navigate the on-screen menus and adjust the system settings to your preference.

0 SLEEP button Press to display the sleep timer option.

A USB Press to switch input source to USB in.

B MTS/SAP Selects MTS sound: Mono, Stereo, and SAP in Analog mode. Change the audio language in DTV mode.

C GUIDE Press to display the guide when you are watching analog or digital channels.

D CCD(closed caption) Select a closed caption.

E HDMI Press to select a device connected to the HDMI input.

F PC Press to select the computer connected to the VGA input.

G Number buttons Press to change a channel.

HPress to select digital channels. For example, to enter “54-3” ,

I RECALL Press to jump back and forth between two channels.

J CHANNEL UP/DOWN Press to scan through channels. To scan quickly between the last two channels, press and hold down either ∧/∨.

K EXIT Clears all on-screen displays and returns to TV viewing from any menu.

L ENTER Accesses the highlighted item in the on-screen menu.

M DISPLAY Press to display the TV status information on the top of the TV screen.

N REC This button has no function for this model.

O USB FunctionsControl the USB System. / Rewind / Fast / Backward /Forward(The buttons do not work.) Stop Play/Pause REPEAT

P FREEZE This button has no function for this model.

Q CH.LIST Open the channel list in TV.

R FAV.LIST Press to open the favorite channel list in TV.

S ARC(Aspect Ratio Control) Press to change the aspect ratio.

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Chapter 7. Electrical Parts

7-1. Block Diagram

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Service Manual Model No.: HL37XLE2

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7-2. Circuit Diagram

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_0R

X3_0

B

RX3

_CR

X3_C

BCH_HDMI_CLKNCH_HDMI_CLKP

RX3_5V

CEC_OUT

OE#/POWDN

SDA_3HPD2

DDCBUF_EN

SDA_1SCL_1

CH_DDC_SCLCH_DDC_SDA

HPD0

S1/SDA_CTLS2/SCL_CTL

I2C_CTL_EN

SCL_2SCL_3

CH_CBL_HPD

SCL_0

POW_SINK

SDA_0

SDA_2

HPD1

CEC_IN

RX3

_5V

RX3

_1B

RX3

_CB

SDA_

3

RX3

_2B

RX3

_2SCL_

3

RX3

_0

RX3

_0B

HD

MI_

CEC

RX3

_1

RX3

_C

HPD

3

HPD3

RX2

_1B

RX2

_CB

SDA_

2

RX2

_2B

RX2

_2

SCL_

2

RX2

_0

RX2

_0B

HD

MI_

CEC

RX2

_1

RX2

_C

RX2

_5V

HPD

2

RX0

_1B

RX0

_CB

SDA_

0

RX0

_2B

RX0

_2SCL_

0

RX0

_0

RX0

_0B

HD

MI_

CEC

RX0

_1

RX0

_C

RX1

_1B

RX1

_CB

SDA_

1

RX1

_2B

RX1

_2SCL_

1

RX1

_0

RX1

_0B

RX1

_2R

X1_2

B

HD

MI_

CEC

RX1

_1

RX1

_C

RX1

_1R

X1_1

B

RX1

_0R

X1_0

B

RX1

_CR

X1_C

B

RX1

_5V

HPD

1

RX0

_5V

HPD

0

HDMI_CEC

HD

MI_

CEC

CEC

VCC

1_1

VCC

3_3

DG

ND

DG

ND D

GN

D

VCC

3_3

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

DG

ND

HDMI_3V3

HDMI_3V3

HDMI_3V3

HD

MI_

3V3

HD

MI_

3V3

HD

MI_

3V3

HD

MI_

3V3

HD

MI_

3V3

HD

MI_

3V3

HD

MI_

3V3

DG

ND

HD

MI_

3V3

HD

MI_

3V3

HD

MI_

3V3

DG

ND

DG

ND

DG

ND

DG

ND

VCC

3_3_

STB

DG

ND

I2C

_0_S

CL

4,10

,11

I2C

_0_S

DA

4,10

,11

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofHD

MI I

/FA1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

418

Thur

sday

, May

06,

201

0

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofHD

MI I

/FA1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

418

Thur

sday

, May

06,

201

0

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofHD

MI I

/FA1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

418

Thur

sday

, May

06,

201

0

ZORA

N Co

nfid

entia

lZO

RAN

Conf

iden

tial

RUN AS 100 OHM

DIFFERENTIAL PAIRS

ESD ARE LAYOUTED UNDER SW(Square).

HDMI PORT 4

HORIZONTAL MOUNT

I2C CONTROL ADDRESS:0x9C/9D

EDID SHADOW ADDRESS:0x9E/9F

NEARLY SW IC

Pulle

d up

to 3

.3V

on C

PU s

ide.

HDMI SWITCH

HDMI PORT 2

HDMI PORT 1

HORIZONTAL MOUNT

HDMI PORT 3

D3

D3

12

D44

ESD

_040

2_0.

15pF

D44

ESD

_040

2_0.

15pF

12

CN

25

HD

MI_

con

CN

25

HD

MI_

con

SHEL

L120

SHEL

L221

D2+

1D2

Shi

eld

2D2

-3

D1+

4D1

Shi

eld

5D1

-6

D0+

7D0

Shi

eld

8D0

-9

CK+

10CK

Shi

eld

11CK

-12

CEC

13NC

14DD

C CL

K15

DDC

DATA

16G

ND17

+5V

18HP

DET

19

SHEL

L322

SHEL

L423

D37

D37

12

D18

ESD

_040

2_0.

15pF

D18

ESD

_040

2_0.

15pF

12

D55

D55

1 2

D50

ESD

_040

2_0.

15pF

D50

ESD

_040

2_0.

15pF

12

R59100R_NM R59100R_NMR4533K R4533K

C240.1uF C240.1uF

D4

D4

12

D51

ESD

_040

2_0.

15pF

D51

ESD

_040

2_0.

15pF

12

D39

D39

12

R3647K R3647K

D13

D13

12

C290.1uF C290.1uF

D22

ESD

_040

2_0.

15pF

D22

ESD

_040

2_0.

15pF

12

D56

ESD

_040

2_10

pF

D56

ESD

_040

2_10

pF

1 2

R35

390R

_1%R

35

390R

_1%

D19

ESD

_040

2_10

pFD

19ES

D_0

402_

10pF

12

C372.2uF C372.2uF

HDMI I/F

U1C

ZR39

745

HDMI I/F

U1C

ZR39

745

HDM

I0_D

2PL2

1

HDM

I0_D

2NL2

2HD

MI0

_D1P

M21

HDM

I0_D

1NM

22HD

MI0

_D0P

N21

HDM

I0_D

0NN2

2HD

MI0

_CLK

PP2

1

HDM

I0_C

LKN

P22

HDM

I_CE

CU2

HDM

I0_S

CLW

1HD

MI0

_SDA

W2

HDM

I0_H

PDW

3HD

MI0

_5VS

ENSE

V2

HDM

I_VD

D1V

M17

HDM

I_RE

XTP2

0

HDM

I_VD

D3V3

N17

R2947K R2947K

D20

ESD

_040

2_10

pFD

20ES

D_0

402_

10pF

12

D24

ESD

_040

2_0.

15pF

D24

ESD

_040

2_0.

15pF

12

R5833K R5833K

C31

10nF

C31

10nF

R2747K R2747K

D29

D29

12

D42

ESD

_040

2_0.

15pF

D42

ESD

_040

2_0.

15pF

12

D54

D54

1 2

D16

ESD

_040

2_0.

15pF

D16

ESD

_040

2_0.

15pF

12

R4147K R4147K

C32 0.1u

F

C32 0.1u

F

D52

ESD

_040

2_0.

15pF

D52

ESD

_040

2_0.

15pF

12

D31

D31

12

CN

2

HD

MI_

con

CN

2

HD

MI_

con

SHEL

L120

SHEL

L221

D2+

1D2

Shi

eld

2D2

-3

D1+

4D1

Shi

eld

5D1

-6

D0+

7D0

Shi

eld

8D0

-9

CK+

10CK

Shi

eld

11CK

-12

CEC

13NC

14DD

C CL

K15

DDC

DATA

16G

ND17

+5V

18HP

DET

19

SHEL

L322

SHEL

L423

C30

0.1u

FC

300.

1uF

R51

4.7K

R51

4.7K

C33 0.1u

F

C33 0.1u

F

R61100R_NM R61100R_NM

C26

10nF

C26

10nF

D17

D17

12

D35

D35

12

D53

D53

1 2

D9

D9

12

C250.1uF C250.1uF

D47

ESD

_040

2_10

pFD

47ES

D_0

402_

10pF

12

D46

ESD

_040

2_10

pFD

46ES

D_0

402_

10pF

12

D43

ESD

_040

2_0.

15pF

D43

ESD

_040

2_0.

15pF

12

C34 0.1u

F

C34 0.1u

F

R471K R471K

D15

D15

12

R34

0RR

340R

D10

D10

12

D38

ESD

_040

2_0.

15pF

D38

ESD

_040

2_0.

15pF

12

R50

4.7K

_NM

R50

4.7K

_NM

C35

10uF

/16V

C35

10uF

/16V

R4633K R4633K

R42

0RR

420R

CN

4

HD

MI_

con

CN

4

HD

MI_

con

SHEL

L120

SHEL

L221

D2+

1D2

Shi

eld

2D2

-3

D1+

4D1

Shi

eld

5D1

-6

D0+

7D0

Shi

eld

8D0

-9

CK+

10CK

Shi

eld

11CK

-12

CEC

13NC

14DD

C CL

K15

DDC

DATA

16G

ND17

+5V

18HP

DET

19

SHEL

L322

SHEL

L423

D28

RB5

20S-

30_D

NS

D28

RB5

20S-

30_D

NS

21

D26

ESD

_040

2_10

pFD

26ES

D_0

402_

10pF

12

R43

0RR

430R

D12

D12

12

R441K R441K

CN

3

HD

MI_

con

CN

3

HD

MI_

con

SHEL

L120

SHEL

L221

D2+

1D2

Shi

eld

2D2

-3

D1+

4D1

Shi

eld

5D1

-6

D0+

7D0

Shi

eld

8D0

-9

CK+

10CK

Shi

eld

11CK

-12

CEC

13NC

14DD

C CL

K15

DDC

DATA

16G

ND17

+5V

18HP

DET

19

SHEL

L322

SHEL

L423

D34

D34

12

R571K R571K

D25

ESD

_040

2_0.

15pF

D25

ESD

_040

2_0.

15pF

12

R6333K R6333K

D7

D7

12

C36 0.1u

F

C36 0.1u

FR

524.

7KR

524.

7K

D40

ESD

_040

2_0.

15pF

D40

ESD

_040

2_0.

15pF

12

R62499R_1% R62499R_1%

R32

10K

R32

10K

R33

27K_

DN

SR

3327

K_D

NS

D41

D41

12

D14

D14

12

R56

4.7K

R56

4.7K

U5

PS42

1

U5

PS42

1

SCL1 1SDA1 2HPD1 3POW1 4CEC 5DDCBUF_EN 6GND 7CEXT 8PC0/I2C_RST 9PC1/I2C_ADDR1 10TEST 11VCC 12CEC_IN 13CEC_OUT 14S1/SDA_CTL 15S2/SCL_CTL 16S3/I2C_ADDR0 17OE#/POWDN 18I2C_CTL_EN 19REXT 20GND 21POW4 22HPD4 23SDA4 24SCL4 25

GND

50IN

3D4p

49IN

3D4n

48VC

C47

IN3D

3p46

IN3D

3n45

GND

44IN

3D2p

43IN

3D2n

42VC

C41

IN3D

1p40

IN3D

1n39

GND

38IN

4D4p

37IN

4D4n

36VC

C35

IN4D

3p34

IN4D

3n33

GND

32IN

4D2p

31IN

4D2n

30VC

C29

IN4D

1p28

IN4D

1n27

GND

26

SCL275SDA274HPD273POW272

POW_SINK71HPD_SINK70SDA_SINK69SCL_SINK68

GND67OUT_D1n66OUT_D1p65

VCC64OUT_D2n63OUT_D2p62

GND61OUT_D3n60OUT_D3p59

VCC58OUT_D4n57OUT_D4p56

GND55POW354HPD353SDA352SCL351

GND

76IN

2D1n

77IN

2D1p

78VC

C79

IN2D

2n80

IN2D

2p81

GND

82IN

2D3n

83IN

2D3p

84VC

C85

IN2D

4n86

IN2D

4p87

GND

88IN

1D1n

89IN

1D1p

90VC

C91

IN1D

2n92

IN1D

2p93

GND

94IN

1D3n

95IN

1D3p

96VC

C97

IN1D

4n98

IN1D

4p99

GND

100

D27

ESD

_040

2_0.

15pF

D27

ESD

_040

2_0.

15pF

12

L1 GZ1

608D

601

L1 GZ1

608D

601

R3947K R3947K

R55

100R

_1%

R55

100R

_1%

R30

0RR

300R

D30

D30

12

R53

4.7K

R53

4.7K

STP1 STP1

R2647K R2647K

D5

D5

12

L3 BLM

18PG

121S

N1D

L3 BLM

18PG

121S

N1D

R4047K R4047K

D33

D33

12

D32

D32

12

R28

10K

R28

10K

D21

ESD

_040

2_10

pFD

21ES

D_0

402_

10pF

12

D11

D11

12

R641K R641KD6

D6

12

C280.1uF C280.1uF

R25

10K

R25

10K

R2447K R2447K

C27

1nF

C27

1nF

R54

10K

R54

10K

R38

10K

R38

10K

D8

D8

12

D48

ESD

_040

2_10

pFD

48ES

D_0

402_

10pF

12

R49

100R

_1%

R49

100R

_1%

R48

100R

_1%

R48

100R

_1%

R31

0RR

310R

D45

ESD

_040

2_10

pFD

45ES

D_0

402_

10pF

12

D23

ESD

_040

2_10

pFD

23ES

D_0

402_

10pF

12

D36

D36

12

R60100R_NM R60100R_NM

D49

ESD

_040

2_0.

15pF

D49

ESD

_040

2_0.

15pF

12

R37

10K

R37

10K

L2 GZ1

608D

601

L2 GZ1

608D

601

Service Manual Model No.: HL37XLE2

29

Page 31: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

DIF

_N

DIF

_P

IF_A

GC

IF_A

GC

DIF

_PD

IF_N

VCC

_TU

NER

SDA_

TVSC

L_TV

DIF

_PD

IF_N

SDA_

TV

IF_A

GCSC

L_TV

VCC

5_0

VCC

5_0_

TU

VCC

5_0_

TU

I2C

_1_S

CL

3I2

C_1

_SD

A3

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofTu

ner &

Dem

odul

ator

I/F

A1

Zora

n/H

D7X

5 R

ef. P

latfo

rm R

ev 1

.0

518

Mon

day,

Jun

e 21

, 201

0

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofTu

ner &

Dem

odul

ator

I/F

A1

Zora

n/H

D7X

5 R

ef. P

latfo

rm R

ev 1

.0

518

Mon

day,

Jun

e 21

, 201

0

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofTu

ner &

Dem

odul

ator

I/F

A1

Zora

n/H

D7X

5 R

ef. P

latfo

rm R

ev 1

.0

518

Mon

day,

Jun

e 21

, 201

0

ZORA

N Co

nfid

entia

l

Place parts very close to U111.

ZORA

N Co

nfid

entia

l

NUTUNE

R70

2KR

702K

C41

39pF

C41

39pF

TU2

DTV

-10A

/W41

F0TU

2D

TV-1

0A/W

41F0

NC

1N

C2

NC

3VC

C4

RF_

AGC

5G

ND

6SD

A7

SCL

8AS

9IF

A_O

UT

10N

C11

IF_A

GC

12

GN

D17

GN

D18

GN

D15

GN

D16

DIF

113

DIF

214

R66

10K

R66

10K

C44

1nF

C44

1nF

C38

0.1u

F

C38

0.1u

F

L4

10uH

/300

mA

SMD

_100

5MIL

L4

10uH

/300

mA

SMD

_100

5MIL

12

L8BL

M18

AG60

1SN

1DL8

BLM

18AG

601S

N1D

+C

3947

0uF/

16V

+C

3947

0uF/

16V

L510

uH/3

00m

A_D

NS

SMD

_100

5MIL

L510

uH/3

00m

A_D

NS

SMD

_100

5MIL

12

L6BL

M18

AG60

1SN

1DL6

BLM

18AG

601S

N1D

R80

4

0R80

4

0

C45

10nF

C45

10nF

C48

0.1u

FC

480.

1uF

+C

4047

0uF/

16V

+C

4047

0uF/

16V

C42

22pF

C42

22pF

R65

10K

R65

10K

C43

22pF

C43

22pF

C46

22pF

C46

22pF

L7 220n

H

L7 220n

H

Dmodulator I/F

U1D

ZR39

745

Dmodulator I/F

U1D

ZR39

745

IF_A

INN

H1

IF_A

INP

H2

IF_A

GC

R1

AFE_

SIF

J3

MPG

O_F

AIL

V5

R69

100

R69

100

C47

22pF

C47

22pF

R67

100

R67

100

TU1

FA23

07A_

DN

STU

1FA

2307

A_D

NS

GN

D16

GN

D13

GN

D14

GN

D15

NC

2N

C1

RF

AGC

3

SDA

7

IF_O

UT

12

IF A

GC

9D

IF+

10

SCL

6

+5V

IF8

DIF

-11

AS5

VT/N

C4

R68

1KR68

1K

Service Manual Model No.: HL37XLE2

30

Page 32: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

VGA_

B_IN

VGA_

BVG

A_G

VGA_

R

SOG

_IN

0

VIN

_G1

CVB

S1

VIN

_B1

SOY_

IN0

VGA_

R_I

N

VGA_

VSYN

CVG

A_H

SYN

C

VIN

_R1

VGA_

G_I

NVG

A_SD

A

VGA_

SCL

VGA_

SDA

VGA_

SCL

VGA_

HSY

NC

VGA_

HSY

NC

VGA_

VSYN

C

CVB

S_IN

PC_U

ART0

TX

VGA_

SDA

VGA_

SCL

PC_U

ART0

TX

PC_U

ART0

RX

VGA_

B_IN

VGA_

G_I

N

VGA_

R_I

N

VGA_

SCL

VGA_

SDA

VGA_

VSYN

C

VGA_

HSY

NC

VGA_

VSYN

C

AFE_

1V1

VCC

3_3

AFE_

1V1

VCC

3_3

VCC

5V_S

TB

VGA_

HSY

NC

13

UAR

T0R

X3

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Rev

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puts

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ADC

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NS

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L10

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R71

4.7K

R71

4.7K

Service Manual Model No.: HL37XLE2

31

Page 33: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

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INPr

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CO

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CO

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CO

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CO

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Title

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Doc

umen

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ber

Rev

Dat

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ofCo

mpo

nent

& D

VDA1

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Mon

day,

Mar

ch 2

2, 2

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Title

Size

Doc

umen

t Num

ber

Rev

Dat

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ofCo

mpo

nent

& D

VDA1

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718

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day,

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ch 2

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Title

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Doc

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D68ESD-0402 D68ESD-0402

Service Manual Model No.: HL37XLE2

32

Page 34: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

YPBP

R_R

_IN

VGAL

_IN

VGAL

_IN

VGAR

_IN

AV_R

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_IN

AV_R

_IN

VGAR

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R_L

_IN

YPBP

R_R

_IN

CVB

S_IN

6

Title

Size

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umen

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Dat

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dio

Inpu

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day,

Mar

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3, 2

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Title

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Dat

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Inpu

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day,

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VG

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IN

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KR

101

22K

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RC

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11

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44

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66

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HD_L

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21

43

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R10

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D72

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R95

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R95

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9

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9

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TP15

TP15

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7

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R10

7

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R10

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3

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3

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TP21

TP21

Service Manual Model No.: HL37XLE2

33

Page 35: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

LIN

E_O

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10

LIN

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10

LIN

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10

ASPD

IF10

Title

Size

Doc

umen

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ber

Rev

Dat

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ofAu

dio

out

A1

Zora

n/H

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918

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day,

Mar

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3, 2

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Title

Size

Doc

umen

t Num

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out

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918

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day,

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Title

Size

Doc

umen

t Num

ber

Rev

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out

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n/H

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5 R

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918

Tues

day,

Mar

ch 2

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tial

Close to U1

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3974

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U1G ZR

3974

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FC

812.

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C89

10uF

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C89

10uF

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C86

0.1u

FC

860.

1uF

Service Manual Model No.: HL37XLE2

34

Page 36: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

AV_R

_OUT

AV_L

_OUT

PHON

E_OU

T_L

PHON

E_OU

T_R

AMP-

Lout-

AMP-

Lout+

PHON

E_OU

T_L

PHON

E_OU

T_R

AV_L

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AV_R

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ASPD

IF

AV_L

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SPDI

F

AV_R

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HEAD

PHON

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OUT_

RPH

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T_R

AV_R

_OUT

AV_L

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PHON

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T_L

PWR_

ON-O

FF_M

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AMP-

Rout+

AMP-

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F

AMP-

Rout+

AMP-

Rout-

AMP-

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AMP-

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AMP-

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AMP-

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RCLK

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R_UP

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N

I2S_M

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AMP-

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12V_

AUDI

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12V_

AUDI

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AMP_

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4,10,1

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DA4,1

0,11

I2S_M

CLK

9

I2S_L

RCLK

9I2S

_SCL

K9

I2S_S

DIN

9

Title

Size

Docu

ment

Numb

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v

Date:

Shee

tof

Audio

AMP

10

Zoran

/HD7

75 R

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m 1018

Mond

ay, J

une 2

1, 20

10

Title

Size

Docu

ment

Numb

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v

Date:

Shee

tof

Audio

AMP

10

Zoran

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75 R

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Mond

ay, J

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1, 20

10

Title

Size

Docu

ment

Numb

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v

Date:

Shee

tof

Audio

AMP

10

Zoran

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75 R

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10

AUDIO OUTPUT

HEAD

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in 12

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R790

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47K

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47K

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D83

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R165

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R165

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12

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R254

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R254

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C467

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C467

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R786

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R786

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R313

10K

R313

10K

R115

10K

R115

10K

R112

39K

R112

39K

C489

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8947

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R161

10K

R161

10K

R781

10K

R781

10K

C484

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TP28

TP28

R164

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R164

620R

12

R792

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R1631K R1631K

R805

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R805

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C121

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C121

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C499

100n

F/25V

C499

100n

F/25V

R735

10K

R735

10K

C494

470n

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9447

0nF

R796

10K

R796

10K

C472

NCC472

NC

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NC/3R

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TP29

TP29

C501

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01NC

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R761

10K

R761

10K

R789

22R

R789

22R

U55

TAS5

707

U55

TAS5

707

OUT_

B46

PGND_AB 47PGND_AB 48

OUT_

A1

PVCC_A2PVCC_A3

AVSS 9

PLL_

FLTM

10

PLL_

FLTP

11

VR_A

NA12

AVDD13

FAUL

T14

MCLK

15

OSC_

RES

16

DVSSO 17

VR_D

IG18

PDN

19

LRCL

K20

SCLK

21

SDIN

22

SDA

23SC

L24

RESE

T25

STEST 26

DVDD27

DVSS 28

PVCC_D40PVCC_D41

PGND_CD 37PGND_CD 38

OUT_

D36

OUT_

C39

PVCC_C45

BST_

C42

VCLA

MP_C

D32

BST_

D33

VREG

31

AGND 30

AVCC34

BST_

A4

VCLA

MP_A

B5

BST_

B43

PVCC_B44

EPAD 49

PVCC35

GND 29

OC_A

DJ7

NC8

SSTIM

ER6

R249

2KR249

2K

T8Au

dio_O

UTT8

Audio

_OUT

11

22

33

44

55

66

77

C465

10uF

C465

10uF

Q76

MMBT

3904

_DNS

Q76

MMBT

3904

_DNS

1

23

C490

47nF

C490

47nF

L18

600(4

.5X3.2

)L1

860

0(4.5X

3.2)

R252

330R

R252

330R

C464

10uF

C464

10uF

C479

220n

F/25V

C479

220n

F/25V

R113

39K

R113

39K

D82

ESD-0402_DNS

D82

ESD-0402_DNS

R740

2KR740

2K

C460

0.1uF

C460

0.1uF

R774

10K

R774

10K

C478

100n

F/25V

C478

100n

F/25V

C485

47nF

C485

47nF

C142

470p

FC1

4247

0pF

1 2

R308

4.7K

R308

4.7K

R133

10K

R133

10K

R803

NCR803

NC

L81

22uH

L81

22uH

R134

10K

R134

10K

R784

22R

R784

22R

D79 ESD_0402_10pF

D79 ESD_0402_10pF

12

C473

NCC473

NC

+C4

5210

0uF/1

6V+

C452

100u

F/16V

1 2

R794

470R

R794

470R

R797

470R

R797

470R

+C96

100u

F/16V+C9

6

100u

F/16V

C454

10uF

/16V_

DNS

C454

10uF

/16V_

DNS

Q72

MMBT

3904

Q72

MMBT

3904

1

23

R787

22R

R787

22R

C475

470n

FC4

7547

0nF

L79

600(4

.5X3.2

)L7

960

0(4.5X

3.2)

L83

22uH

L83

22uH

C498

0.1uF

C498

0.1uF

R800

NCR800

NC

+

C95

100u

F/16V

+

C95

100u

F/16V

C240

4.7uF

/10V

C240

4.7uF

/10V

C112

10uF

/16V

C112

10uF

/16V

C470

NCC470

NC

D126

1N41

48D1

261N

4148

Q73

MMBT

3904

Q73

MMBT

3904

1

23

C493

100n

F/25V

C493

100n

F/25V

C141

470p

FC141

470p

F

1 2

C491

220n

F/25V

C491

220n

F/25V

C483

4700

pFC4

8347

00pF

C477

100n

F/25V

C477

100n

F/25V

TP39

TP39

R114

10K

R114

10K

C474

NC/10

nFC4

74NC

/10nF

Q304

MMBT

3906

Q304

MMBT

3906

1

23

R318

4.7K_

DNS

R318

4.7K_

DNS

R791

0RR7

910R

C503

2.2uF

C503

2.2uF

C461

0.1uF

C461

0.1uF

TP40

TP40

R785

NC/3R

3R7

85NC

/3R3

L82

22uH

L82

22uH

L80

22uH

L80

22uH

R311

10K

R311

10K

C266

470u

F/16V

C266

470u

F/16V

R116

10K

R116

10K

STP2

STP2

C495

220n

F/25V

C495

220n

F/25V

R788

22R

R788

22R

C492

100n

F/25V

C492

100n

F/25V

TP30

TP30

R799

18.2K

_1%

R799

18.2K

_1%

CON2

Spea

ker

CON2

Spea

ker

1 2 3 4

R131

39K

R131

39K

R783

10R

R783

10R

J2 GQ-05

_HJ2 GQ

-05_H

GND

3

VCC

2

IN1

5 544

7 766

R126

10K

R126

10K

R746

2KR746

2K

TP27

TP27

C502

2.2uF

C502

2.2uF

R793

12K

R793

12K

C459

0.1uF

C459

0.1uF

TP31

TP31

R314

2KR314

2K

C497

100n

F/25V

C497

100n

F/25V

C496

4.7uF

C496

4.7uF

C482

NC/10

nFC4

82NC

/10nF

C466

0.1uF

C466

0.1uF

C481

100n

F/25V

C481

100n

F/25V

C469

0.1uF

C469

0.1uF

Q55

MMBT

3904

Q55

MMBT

3904

1

23

C486

1uF/1

6VC4

861u

F/16V

R127

39K

R127

39K

L17

BLM1

8AG6

01SN

1DL1

7BL

M18A

G601

SN1D

Q75 MM

BT39

04Q7

5 MMBT

3904

1

23

C468

0.1uF

C468

0.1uF

C500

NC/22

00pF

C500

NC/22

00pF

R137

10K

R137

10K

R801

22K

R801

22K

R802

NC/3R

3R8

02NC

/3R3

C488

0.01u

FC4

880.0

1uF

R741

10K

R741

10K

C102

10uF

/16V

C102

10uF

/16V

D81

ESD-0402_DNS

D81

ESD-0402_DNS

R798

200_

1%R7

9820

0_1%

TP26

TP26

C462

100u

F/16V

C462

100u

F/16V

TP32

TP32

R111

10K

R111

10K

D80

ESD-0402_DNS

D80

ESD-0402_DNS

Service Manual Model No.: HL37XLE2

35

Page 37: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

PWM

1LV

DS_R

EXT

LVDS

_CO

_P1

LVDS

_CO

_N1

LVDS

_D2O

_N1

LVDS

_D3O

_P1

LVDS

_D3O

_N1

LVDS

_D2O

_P1

LVDS

_D0O

_N1

LVDS

_D1O

_P1

LVDS

_D1O

_N1

LVDS

_D0O

_P1

LVDS

_CO

_PLV

DS_C

O_N

LVDS

_D2O

_N

LVDS

_D3O

_PLV

DS_D

3O_N

LVDS

_D2O

_P

LVDS

_D0O

_N

LVDS

_D1O

_PLV

DS_D

1O_N

LVDS

_D0O

_P

LVDS

_CE_

NLV

DS_C

E_P

LVDS

_D3E

_P

LVDS

_D2E

_N

LVDS

_D1E

_PLV

DS_D

1E_N

LVDS

_D0E

_PLV

DS_D

0E_N

LVDS

_D2E

_P

LVDS

_D3E

_N

LVDS

_CE_

N1LV

DS_C

E_P1

LVDS

_D3E

_P1

LVDS

_D2E

_N1

LVDS

_D1E

_P1

LVDS

_D1E

_N1

LVDS

_D0E

_P1

LVDS

_D0E

_N1

LVDS

_D2E

_P1

LVDS

_D3E

_N1

LVDS

_D0E

_NLV

DS_D

1E_N

LVDS

_CE_

NLV

DS_D

2E_N

LVDS

_D3E

_N

FORM

ATLV

DS_D

4E_N

3V_S

DA3V

_SCL

LVDS

_D4E

_PDC

R_EN

/DIS

PEN

LVDS

_D3E

_P

LVDS

_CE_

PLV

DS_D

2E_P

LVDS

_D1E

_PLV

DS_D

0E_P

LVDS

_D0O

_NLV

DS_D

0O_P

LVDS

_D1O

_NLV

DS_D

1O_P

LVDS

_D2O

_N

LVDS

_CO

_NLV

DS_D

3O_N

LVDS

_D4O

_NLV

DS_D

4O_P

LVDS

_D3O

_P

LVDS

_CO

_PLV

DS_D

2O_P

LVDS

_D4O

_N1

LVDS

_D4O

_P1

LVDS

_D4O

_NLV

DS_D

4O_P

LVDS

_D4E

_N1

LVDS

_D4E

_P1

LVDS

_D4E

_NLV

DS_D

4E_P

PWM

1

BRT_

CNTL

_IN

BRT_

CNTL

_IN

BRT_

CNTL

_OUT

VCC5

_0VC

C3_3

Pane

l_po

wer

Pane

l_po

wer

VCC3

_3VC

C5_0

VCC3

_3_S

TB

VCC5

V_ST

B

BL_O

N/O

FF17

LCD_

ON

12

BRT_

CNTL

_OUT

17

I2C_

0_SC

L4,

10,1

1

I2C_

0_SD

A4,

10,1

1

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofLV

DS &

TCO

N I/F

A1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1118

Mon

day,

Jun

e 21

, 201

0

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofLV

DS &

TCO

N I/F

A1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1118

Mon

day,

Jun

e 21

, 201

0

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofLV

DS &

TCO

N I/F

A1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1118

Mon

day,

Jun

e 21

, 201

0

ZORA

N Co

nfid

entia

lZO

RAN

Conf

iden

tial

LVDS

Vid

eo I/

F

RP1C

0x4

RP1C

0x4

36

RP6B

0x4

RP6B

0x4

27

R180

0RR180

0R

RP4C

0x4

RP4C

0x4

36

RP2A

0x4

RP2A

0x4

18

RP1B

0x4

RP1B

0x4

27

R166

4.7K

_dns

R166

4.7K

_dns

12

RP1A

0x4

RP1A

0x4

18

Q10

MM

BT39

04

Q10

MM

BT39

04

1

23

R173

4.7K

R173

4.7K

R171

NCR1

71NC

RP4B

0x4

RP4B

0x4

27

R176

10K

R176

10K

RP4A

0x4

RP4A

0x4

18

RP6C

0x4

RP6C

0x4

36

R177

10k

R177

10k

RP5B

0x4

RP5B

0x4

27

C143

4.7u

F/10

V_DN

SC1

434.

7uF/

10V_

DNS

RP3D

0x4

RP3D

0x4

45

R185

_DNS

10K

R185

_DNS

10K

R168

4.7K

R168

4.7K

12

R169 0R

_DNS

R169 0R

_DNS

1 2

RP2D

0x4

RP2D

0x4

45

RP3C

0x4

RP3C

0x4

36

R170

NCR1

70NC

RP6A

0x4

RP6A

0x4

18

R182

0RR1

820R

RP5A

0x4

RP5A

0x4

18

RP6D

0x4

RP6D

0x4

45

R167

4.7K

_DNS

R167

4.7K

_DNS

12

R172

1KR172

1K

RP5D

0x4

RP5D

0x4

45

R184

4.7K

R184

4.7K

RP3B

0x4

RP3B

0x4

27

CN14

CON3

2-LV

DSCN14

CON3

2-LV

DS

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32

R183

10K_

DNS

R183

10K_

DNS

RP1D

0x4

RP1D

0x4

45

R174

4.7K

_DNS

R174

4.7K

_DNS

R181

100R

R181

100R

RP2C

0x4

RP2C

0x4

36

RP5C

0x4

RP5C

0x4

36

R179

1K_D

NSR1

791K

_DNS

Q9

MM

BT39

04Q

9M

MBT

3904

RP3A

0x4

RP3A

0x4

18

LVDS & TCON I/F

LVDS

TCON

U1H

ZR39

745

LVDS & TCON I/F

LVDS

TCON

U1H

ZR39

745

LVDS

_D0O

_NA1

5LV

DS_D

0O_P

B15

LVDS

_D1O

_NA1

6LV

DS_D

1O_P

B16

LVDS

_D2O

_NA1

7LV

DS_D

2O_P

B17

LVDS

_D3O

_NA1

8LV

DS_D

3O_P

B18

LVDS

_CO

_NA1

4LV

DS_C

O_P

B14

LVDS

_D4O

_NA1

9LV

DS_D

4O_P

B19

LVDS

_D0E

_NA9

LVDS

_D0E

_PB9

LVDS

_D1E

_NA1

0LV

DS_D

1E_P

B10

LVDS

_CE_

NA8

LVDS

_CE_

PB8

LVDS

_D2E

_NA1

1LV

DS_D

2E_P

B11

LVDS

_D3E

_NA1

2LV

DS_D

3E_P

B12

LVDS

_D4E

_NA1

3LV

DS_D

4E_P

B13

LVDS

_REX

TE1

2PW

MC2

2

STH1

A22

RVS

D20

TPB2

2ST

V1A2

0CP

V1C2

0O

E1A2

1ST

H2B2

1ST

V2B2

0CP

V2C2

1O

E2D1

9

LVDS

_D5O

_PC1

8LV

DS_D

5O_N

C19

LVDS

_D5E

_PC1

2LV

DS_D

5E_N

C13

GPO

F14

R175

10K

R175

10K

RP4D

0x4

RP4D

0x4

45

Q11

MM

BT39

04_D

NS

Q11

MM

BT39

04_D

NS

1

23

RP2B

0x4

RP2B

0x4

27

R178

820R

_1%

R178

820R

_1%

CN11

CON1

6-LV

DSCN11

CON1

6-LV

DS

1 3 5 7 9 11 13 15

2 4 6 8 10 12 14 16

Service Manual Model No.: HL37XLE2

36

Page 38: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

BO

OT_

1B

OO

T_0

BO

OT_

1B

OO

T_0

LCD

_ON

LCD

_PO

WE

R_O

N

SP

I_W

EN

PW

R_S

W_U

SB

VC

C3_

3

LCD

_ON

11

LCD

_PO

WE

R_O

N17

SP

I_W

EN

3

HE

AD

PH

ON

E_P

LUG

10

I2S

_MC

LK10

I2S

_LR

CLK

10I2

S_S

CLK

10

VG

A_U

AR

T_O

N/O

FF6

I2S

_SD

IN10

PW

R_S

W_U

SB

17

Title

Siz

eD

ocum

ent N

umbe

rR

ev

Dat

e:S

heet

ofG

PIO

I/F

A1

Zora

n/H

D7X

5 R

ef. P

latf

orm

Rev

1.0

1218

Mon

day,

Jun

e 21

, 201

0

Title

Siz

eD

ocum

ent N

umbe

rR

ev

Dat

e:S

heet

ofG

PIO

I/F

A1

Zora

n/H

D7X

5 R

ef. P

latf

orm

Rev

1.0

1218

Mon

day,

Jun

e 21

, 201

0

Title

Siz

eD

ocum

ent N

umbe

rR

ev

Dat

e:S

heet

ofG

PIO

I/F

A1

Zora

n/H

D7X

5 R

ef. P

latf

orm

Rev

1.0

1218

Mon

day,

Jun

e 21

, 201

0

Bootstrap Configuration:

Please note: this section can not be removed

GPIO1=0 & GPIO0=0 from SPI boot

GPIO1=0 & GPIO0=1 from UART boot

GPIO1=1 & GPIO0=0 from NAND8 LP boot

GPIO1=1 & GPIO0=1 from NAND8 SP boot

U1.H19

••GPIO

••

••

HEADPHONE_PLUG 10.03.19

U1.J21

••VGA_UART_ON/OFF•

••

•I2S_MCLK 10.03.19

U1.H22

••GND•

••

•VGA_UART_ON/OFF 10.03.19

R18

74.

7KR

187

4.7K

J3 2.5m

m_D

NS

J3 2.5m

m_D

NS

GPIO I/F

U1I

ZR39

745

GPIO I/F

U1I

ZR39

745

GP

IO_P

0J1

9G

PIO

_P1

J20

GP

IO_P

2J2

1G

PIO

_P3

J22

GP

IO_P

4H

19G

PIO

_P5

H20

GP

IO_P

6H

21G

PIO

_P7

H22

GP

IO_P

8G

19G

PIO

_P9

G20

GP

IO_P

10G

21G

PIO

_P11

G22

GP

IO_P

12F1

9G

PIO

_P13

F20

GP

IO_P

14F2

1G

PIO

_P15

F22

GP

IO_P

16E

19

IRB

E20

R18

64.

7KR

186

4.7K

Service Manual Model No.: HL37XLE2

37

Page 39: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

TVM

_BO

OT

TEST

_MO

DE

AMP_

STB

TVM

_PW

R_O

N1TV

M_P

WR_

ON2

TVM

_BO

OT

AUD_

AMP_

MUT

E

TEST

_MO

DE

IRR

FP_L

ED2

FP_L

ED1

FP_K

EY_I

N

IRR_

IN

IRR

FP_L

ED1

FP_L

ED2

LED_

G

LED_

R

LED_

G

FP_K

EY_I

NKE

Y_IN

2

IRIR

R_IN

LED_

R

FP_K

EY_I

N2

FP_K

EY_I

N2KE

Y_IN

KEY_

IN2

KEY_

INLE

D_G

LED_

RIR VC

C5V_

STB

VCC3

_3_S

TB

VCC3

_3_S

TB

VCC1

_1_S

TB

VCC3

_3_S

TB

VCC3

_3_S

TBVC

C5V_

STB

VCC5

V_ST

B

VCC3

_3_S

TB

VCC3

_3_S

TB

VCC5

V_ST

B

VCC3

_3_S

TB

VCC5

V_ST

B

AMP_

STB

10

VGA_

HSYN

C6

TVM

_PW

R_O

N115

TVM

_PW

R_O

N217

AUD_

AMP_

MUT

E10

VGA_

VSYN

C6

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofM

CU I/

FA1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1318

Mon

day,

Jun

e 21

, 201

0

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofM

CU I/

FA1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1318

Mon

day,

Jun

e 21

, 201

0

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofM

CU I/

FA1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1318

Mon

day,

Jun

e 21

, 201

0

ZORA

N Co

nfid

entia

l

0: MIPS BOOTSTRAP

1: EEPROM BOOTSTRAP

0: Watchdog Timer Enabled

1: Watchdog Timer Disabled

••

••

••

330/0603,

••

••

••

5.5mA (blue)

U1.R4\R5\V3•

•GPIO

••

••

••

••

10.03.19

C147

0.1u

FC1

470.

1uF

TP34

TP34

R197

4.7K

R197

4.7K

CNE1

EJTA

G6

(6pi

n/2.

0mm

)

CNE1

EJTA

G6

(6pi

n/2.

0mm

)

11

22

33

44

55

Q13

MM

BT39

04Q

13M

MBT

3904

CNE2

Key

CNE2

Key

1234

TP35

TP35

R202

10K

R202

10K

R201

10K

R201

10K

R194

100

R194

100

C149

47pF

C149

47pF

TP36

TP36

R199

0_DN

SR1

990_

DNS

R195

10K

R195

10K

MCU I/F

U1J

ZR39

745

MCU I/F

U1J

ZR39

745

ADC8

_IN0

L1AD

C8_I

N1L2

ADC8

_IN2

L3AD

C8_I

N3M

2AD

C8_I

N4M

3

IRR

T1

WDT

_EN

P1

INT0

_N/G

PIO

_TVP

13/H

DMI2

_HPD

P4IN

T1_N

/GPI

O_T

VP23

P3IN

T2/G

PIO

_TVP

29U3

T0/G

PIO

_TVP

21/H

DMI2

_5VS

ENSE

T4T1

/GPI

O_T

VP24

P5

TVCP

U_PW

M0

M4

GPI

O_T

VP0/

HDM

I1_S

CLR4

GPI

O_T

VP1/

HDM

I1_S

DAR5

GPI

O_T

VP2/

HDM

I1_H

PDT5

GPI

O_T

VP3/

HDM

I1_5

VSEN

SEU4

GPI

O_T

VP4/

HDM

I2_S

CLV3

GPI

O_T

VP5/

HDM

I2_S

DAV4

POW

ER_C

TL1

R2PO

WER

_CTL

2R3

BOO

T_O

PTP2

VDD3

3_BO

DM

1

CORE

VDD_

STB

T7IO

VDD_

STB

U7

VBAT

M5

CLK3

2K_R

TCN5

CLK2

5M_V

DD3V

3U9

ADC8

_RBI

ASL4

R204

4.7K

R204

4.7K

C144

10uF

C144

10uF

R200

330

R200

330

TP37

TP37

C145

0.1u

FC1

450.

1uF

R192

10R1

9210

TP38

TP38

Q14 M

MBT

3906

Q14 M

MBT

3906

1

2 3

R206

1K

R206

1K

R196

330

R196

330

C148

0.1u

FC1

480.

1uF

C146

0.1u

FC1

460.

1uF

Q15

MM

BT39

04Q

15M

MBT

3904

R193

10K_

DNS

R193

10K_

DNS

R203

4.7K

R203

4.7K

R190

10K

R190

10K

R188

15K

R188

15K

Q12

MM

BT39

04Q

12M

MBT

3904

R205

10K

R205

10K

L23

GZ1

608D

601

L23

GZ1

608D

601

R198

10K

R198

10K

C150

0.1u

F

C150

0.1u

F

TP33

TP33

R189

15K

R189

15K

R191

10R1

9110

Service Manual Model No.: HL37XLE2

38

Page 40: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

VCC1

_1

VCC1

_8

VCC1

_1

VCC3

_3

VCC1

_1

VCC1

_8

VCC3

_3

VCC1

_1

VCC1

_1

VCC1

_1

VCC3

_3

VCC3

_3

VCC3

_3

VCC3

_3

AFE_

1V1

VCC1

_1

VCC3

_3

VCC3

_3

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofIC

PO

WER

I/F

1A1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1418

Tues

day,

May

18,

201

0

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofIC

PO

WER

I/F

1A1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1418

Tues

day,

May

18,

201

0

Title

Size

Docu

men

t Num

ber

Rev

Date

:Sh

eet

ofIC

PO

WER

I/F

1A1

Zora

n/HD

7X5

Ref.

Plat

form

Rev

1.0

1418

Tues

day,

May

18,

201

0

ZORA

N Co

nfid

entia

lZO

RAN

Conf

iden

tial

ZORA

N Co

nfid

entia

l

1.0V Bypass Caps

3.3V Bypass Caps

1.8V Bypass Caps

• •••• ••

•• •••• ••

•• •••• •

• •• •• ••

•• •• •• •

• •• ••

•• •• •• •• •

• •• •• •• ••

•• •••• •

• •• •

• •••• ••

•• •••• ••

•• •••• •

• •• •• ••

•• •• •• •

• •• ••

•• •• •• •• •

• •• •• •• ••

•• •••• •

• •• •

• •••• ••

•• •••• ••

•• •••• •

• •• •• ••

•• •• •• •

• •• ••

•• •• •• •• •

• •• •• •• ••

•• •••• •

• •• •

C179

10uF

C179

10uF

L31

GZ1

608D

601

L31

GZ1

608D

601

C155

0.1u

F

C155

0.1u

F

L26

GZ1

608D

601

L26

GZ1

608D

601

L27

GZ1

608D

601

L27

GZ1

608D

601

C154

1uF

C154

1uF

C168

1uF

C168

1uF

C159

1uF

C159

1uF

C161

0.1u

F

C161

0.1u

F

C176

0.01

uFC1

760.

01uF

C173

1uF

C173

1uF

C174

0.01

uFC1

740.

01uF

C180

0.01

uF

C180

0.01

uF

C157

0.1u

F

C157

0.1u

F

C185

10uF

C185

10uF

L29

GZ1

608D

601

L29

GZ1

608D

601

C166

0.1u

F

C166

0.1u

F

C171

0.01

uF

C171

0.01

uF

C181

1nF

C181

1nF

C186

0.01

uFC1

860.

01uF

C160

10uF

C160

10uF

C187

1uF

C187

1uF

C162

1uF

C162

1uF

C153

1nF

C153

1nF

C184

0.01

uF

C184

0.01

uF

C170

1uF

C170

1uF

L25

GZ1

608D

601

L25

GZ1

608D

601C1

52

0.1u

F

C152

0.1u

F

C178

0.01

uFC1

780.

01uF

C192

0.01

uFC1

920.

01uF

C167

1nF

C167

1nF

L28

GZ1

608D

601

L28

GZ1

608D

601

C189

10uF

C189

10uF

POWER

U1K

ZR39

745

POWER

U1K

ZR39

745

IOVD

D1E1

6IO

VDD2

E17

IOVD

D3F1

5IO

VDD4

F16

IOVD

D5F1

7IO

VDD6

P7IO

VDD7

R7

CVDD

1E9

CVDD

4F9

CVDD

5F1

0CV

DD6

F11

CVDD

7H1

7CV

DD8

J17

CVDD

9K1

7CV

DD10

L17

CVDD

_MSD

T10

CVDD

12U1

0

MVD

D1T1

1M

VDD2

U11

MVD

D3T1

3M

VDD4

T14

MVD

D5U1

4M

VDD6

T15

MVD

D7U1

5

USB2

_VDD

A33T

P17

AFE_

VDD1

0_PL

LN7

AFE_

VDD3

3_PL

LM

7

LDI_

VDD3

V3F1

3

LDI_

CVDD

1VF1

2

SYSP

LL_A

VDD3

V3T9

DDRP

LL_A

VDD3

V3R1

7

DDRP

LLVD

DT1

7

CVSS

_MSD

P12

DDRP

LLVS

SP1

5

AFE_

PLL_

GND

M9

C156

1uF

C156

1uF

C175

1uF

C175

1uF

C177

1uF

C177

1uF

L30

GZ1

608D

601

L30

GZ1

608D

601

C172

10uF

C172

10uF

C182

0.01

uF

C182

0.01

uF

C164

1uF

C164

1uF

C169

0.1u

F

C169

0.1u

F

C151

10uF

C151

10uF

L24

GZ1

608D

601

L24

GZ1

608D

601

C183

1nF

C183

1nF

C191

10uF

C191

10uF

C190

0.01

uFC1

900.

01uF

C163

10uF

C163

10uF

C165

0.01

uFC1

650.

01uF

C188

0.01

uFC1

880.

01uF

C158

1nF

C158

1nF

Service Manual Model No.: HL37XLE2

39

Page 41: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

VCC

3_3_

STB

VCC

1_1_

STB

AFE_

1V1

VCC

1_1_

STB

VCC

1_1

VCC

12V_

IN

VCC

5_0

TVM

_PW

R_O

N1

13

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofIC

PO

WER

I/F

2A1

Zora

n/H

D7X

5 R

ef. P

latfo

rm R

ev 1

.0

1518

Tues

day,

May

18,

201

0

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofIC

PO

WER

I/F

2A1

Zora

n/H

D7X

5 R

ef. P

latfo

rm R

ev 1

.0

1518

Tues

day,

May

18,

201

0

Title

Size

Doc

umen

t Num

ber

Rev

Dat

e:Sh

eet

ofIC

PO

WER

I/F

2A1

Zora

n/H

D7X

5 R

ef. P

latfo

rm R

ev 1

.0

1518

Tues

day,

May

18,

201

0

ZORA

N Co

nfid

entia

lZO

RAN

Conf

iden

tial

ZORA

N Co

nfid

entia

l

1.0V LDO for AFE_PLL

N-channel MOSFET

USE 1.0V

shielding of 20-mil GND

2A

0.92

5 x

(1+R

up/R

dn) =

1.1

V

CORE

PO

WER

C19

7

10uF

C19

7

10uF

GND

U1L

ZR39

745

GND

U1L

ZR39

745

GN

D0

H9

GN

D1

H10

GN

D2

H11

GN

D3

H12

GN

D4

H13

GN

D5

H14

GN

D6

H15

GN

D7

J9G

ND

8J1

0G

ND

9J1

1G

ND

10J1

2G

ND

11J1

3G

ND

12J1

4G

ND

13J1

5G

ND

14K9

GN

D15

K10

GN

D16

K11

GN

D17

K12

GN

D18

K13

GN

D19

K14

GN

D20

K15

GN

D23

L11

GN

D24

L12

GN

D25

L13

GN

D26

L14

GN

D27

L15

GN

D29

M10

GN

D30

M11

GN

D31

M12

GN

D32

M13

GN

D33

M14

GN

D34

M15

GN

D35

N9

GN

D36

N10

GN

D37

N11

GN

D38

N12

GN

D39

N13

GN

D40

N14

GN

D41

N15

GN

D42

P9G

ND

43P1

0G

ND

44P1

1G

ND

46P1

3G

ND

47P1

4G

ND

49E1

3G

ND

50E1

4G

ND

51Y9

GN

D52

Y10

GN

D53

Y11

GN

D54

Y12

GN

D55

Y13

GN

D56

Y14

GN

D57

Y15

L32

15uH

/3A

L15U

H_S

MD

L32

15uH

/3A

L15U

H_S

MD

12

C20

4

470u

F/16

V

C20

4

470u

F/16

V

C19

3

1uF

C19

3

1uF

C20

1

0.1u

F

C20

1

0.1u

F

R21

427

K_1%

R21

427

K_1%

U10

MP1

482

U10

MP1

482

EN7

FB5

VCC

2O

UT

3

BST

1

GN

D4

SS8

CO

MP

6R

211

5.1K

_1%

R21

15.

1K_1

%

C19

6

0.1u

F

C19

6

0.1u

F

C19

41u

FC

194

1uF

R21

00

R21

00

C20

0

1uF

C20

0

1uF

R21

3

2.2K

R21

3

2.2K

R20

7

10K

R20

7

10K

C20

3

470u

F/16

V

C20

3

470u

F/16

V

C19

80.

1uF

C19

80.

1uF

C20

5

10nF

C20

5

10nF

C20

2

10nF

C20

2

10nF

C20

7

560p

F

C20

7

560p

F

C19

5 1uF

C19

5 1uF

+C

208

100u

F/16

V

+C

208

100u

F/16

V

1 2

R21

2

33R

R21

2

33R

R20

810

KR

208

10K

R25

32.

49K_

1%R

253

2.49

K_1%

Q16

AO34

00Q

16AO

3400

U9

? S

-113

5B10

-M5T

1SU

9?

S-1

135B

10-M

5T1S

IN1

VSS

2

VOU

T5

EN3

ADJ

4

R20

910

0KR

209

100K

R25

090

9R_1

%R

250

909R

_1%

C20

6

0.1u

F

C20

6

0.1u

F

HDMI I/F

U1M

ZR39

745

HDMI I/F

U1M

ZR39

745

RES

ERVE

D1

R21

RES

ERVE

D2

R22

RES

ERVE

D3

T21

RES

ERVE

D4

T22

RES

ERVE

D5

U21

RES

ERVE

D6

U22

RES

ERVE

D7

V21

RES

ERVE

D8

V22

C20

90.

1uF

C20

90.

1uF

C19

9

10nF

C19

9

10nF

Service Manual Model No.: HL37XLE2

40

Page 42: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

4 4

3 3

2 2

1 1

DD

CC

BB

AA

VC

C1_

8

VC

C3_

3V

CC

5_0

VC

C5_

DD

R

VC

C5V

_ST

B

VC

C3_

3_S

TB

VC

C5_

DD

R

VC

C12

V_I

NV

CC

5_0

VC

C5_

0

Titl

e

Siz

eD

ocum

ent N

umbe

rR

ev

Dat

e:S

heet

ofP

ow

er &

Gro

un

d 1

10

Zo

ran

/HD

775

Ref

. Pla

tfo

rm

1618

Wed

nesd

ay, M

arch

31,

201

0

Titl

e

Siz

eD

ocum

ent N

umbe

rR

ev

Dat

e:S

heet

ofP

ow

er &

Gro

un

d 1

10

Zo

ran

/HD

775

Ref

. Pla

tfo

rm

1618

Wed

nesd

ay, M

arch

31,

201

0

Titl

e

Siz

eD

ocum

ent N

umbe

rR

ev

Dat

e:S

heet

ofP

ow

er &

Gro

un

d 1

10

Zo

ran

/HD

775

Ref

. Pla

tfo

rm

1618

Wed

nesd

ay, M

arch

31,

201

0

5V M

AIN

PO

WE

R

shielding of 20-mil GND

0.92

5 x

(1+

Ru

p/R

dn

) =

5.1

V

C22

4

10uF

C22

4

10uF

+C

213

100u

F/1

6V

+C

213

100u

F/1

6V

1 2

C21

1

10nF

C21

1

10nF

C21

2

470u

F/1

6V

C21

2

470u

F/1

6V

+C22

9

100u

F/1

6V

+C22

9

100u

F/1

6V

1 2

U11

MP

1484

U11

MP

1484

EN

7

FB

5

VC

C2

OU

T3

BS

T1

GN

D4

SS

8

CO

MP

6

GN

D9

C22

3

470u

F/1

6V

C22

3

470u

F/1

6V

L33

15uH

/3A

L15U

H_S

MD

L33

15uH

/3A

L15U

H_S

MD

12

R21

92.

7K_1

%R

219

2.7K

_1%

R22

8

180R

_1%

PC

B F

ootp

rint =

R06

03

R22

8

180R

_1%

PC

B F

ootp

rint =

R06

03

R22

40

R22

40

U14

LM

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Service Manual Model No.: HL37XLE2

41

Page 43: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

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Service Manual Model No.: HL37XLE2

42

Page 44: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

5 5

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Service Manual Model No.: HL37XLE2

43

Page 45: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

7-2. Circuit DiagramHL

37XL

E2a

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CON1

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2

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Service Manual Model No.: HL37XLE2

44

Page 46: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Chapter 8. Measurements and Adjustments

8-1. Service Mode

8-1-1.How to enter into Service Mode

The way to the factory mode menu:Step 1: Press the "Menu" button,Step 1: Select the Audio menu,Step 2: Input 8893,Step 3: Press the “Enter” button.System will be into the factory mode menu when 4 steps above are done.

8-1-2.How to exitIf you want to exit this factory menu, please press the button ”Exit” on the remote.

8-2. Measurements and Adjustments

8-2-1. Software Upgrade (See picture on the next page.)

Service Manual Model No.: HL37XLE2

45

Page 47: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

8-2-2. Auto Color

The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically

Service Manual Model No.: HL37XLE2

46

Page 48: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

8-2-3. white Balance/Color Temp.

The function could adjust the Color Temperature, used when debugging.

Service Manual Model No.: HL37XLE2

47

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8-2-4. Picture Mode

Service Manual Model No.: HL37XLE2

48

Page 50: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

8-2-5. Audio Mode

Service Manual Model No.: HL37XLE2

49

Page 51: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

8-2-6. SSPLL Setting

8-2-6. Aging Mode

Turn it "ON" to enter the aging mode,.This is for factory run-in testing.The screen would desplay red,green,blue and black screen repeatedly.Each color screen could be exam at that time (See

picture on the next page.)

Service Manual Model No.: HL37XLE2

50

Page 52: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

8-2-7. Reset to default

The function could make the adjustment of Service mode turn back to the factory default setting.

Service Manual Model No.: HL37XLE2

51

Page 53: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

8-2-8. Reset all settings to default

The function could make the model turn back to the factory default setting.

Remark:

The date of the chart only is an example, please don’t adjust the factory mode base on it.

Service Manual Model No.: HL37XLE2

52

Page 54: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Chapter 9. Trouble shooting

9-1. Simple check

No picture/ No sound

Verify if the television is properly pluggedVerify if the television is properly supplied powerVerify if electricity is available.

Blank screen

Verify if correct signals are input Press INPUT button to change signal input to TV inputRestart the television of power supply is interrupted

No sound

Press Mute button and verify if Mute mode is set.Switch to otger channel and verify if the same problem happens.Press VOL+ button to see of he problem can be solved.

Poor sound Verufy if sound system is correct .Refer to some chapter for adjust.

No picture in some channelVerify if correct channel is selected. Adjust the antenna.Make adjustments by Fine Tune and MANUAL Scan.

No color for some channel program (black and white)

Verify if the same problem exists in other channels.check out of picture and sound system.Refer to relative instructions in the Manual for color adjust.

Spots with some or all picturesVerify if the antennal is correctly connected.Verify if the antennal is in good condition.Make fi ne adjustment of channel.

Horizontal/ vertical bars or picture shaking

Check for local interference such as an electrical appliance or power tool.

Television out of control

Disconnect the television from power supply and 10 seconds later, connect the television to the power supply. If the problem still exists, contact authorized after-sales service for technical assistance.

Service Manual Model No.: HL37XLE2

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Page 55: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

9-2. Mainboard Failure Check

Symptom: No Sound No Sound

(All Mode)

Check the input

Source Change Source input

Check the

input/output Re-soldering or change

IC U13

Check the

input/output Re-soldering or change

IC U55

Check the

input/output Re-soldering or change

IC U2

Check the

Speaker Change the Speaker

Check the

Sperker wire

Fail

Pass

Fail

Fail

Fail

Fail

Pass

Pass

Pass

Pass

Service Manual Model No.: HL37XLE2

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Page 56: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

9-3. Pannel Failure

Failure Mode

Part

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Service Manual Model No.: HL37XLE2

55

Page 57: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

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Service Manual Model No.: HL37XLE2

56

Page 58: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

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Service Manual Model No.: HL37XLE2

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Page 59: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Part

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Service Manual Model No.: HL37XLE2

58

Page 60: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Part

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Service Manual Model No.: HL37XLE2

59

Page 61: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Sincere Forever

Haier GroupHaier Industrial Park, No.1, Haier Road

266101, Qingdao, Chinahttp://www.haier.com

Printed in China

Page 62: SERVICE MANUAL - rtellason.comrtellason.com/manuals/Service Manual HL37XLE2.pdf · a. Removing or reinstalling any component, circuit board module or any other receiver assembly

Service Manual Model No.: HL37XLE2

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