AOC+Service+Manual+HP W17e,+HP A13+Monitor+Lcd

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  • 17" LCD Color Monitor HP w17e

    1

    Service Service Service

    Horizontal Frequency 30- 83 kHz

    TABLE OF CONTENTS Description Page Description Page

    SAFETY NOTICE

    ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS

    AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC

    EQUIPMENT CONTAINING HIGH VOLTAGES.

    CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

    Table Of Contents.............................................1

    Revision List...............................................2

    1. Monitor Specification......................................3

    2. LCD Monitor Description.......4

    3. Operation Instruction..........................5

    3.1. General Instructions......................................5

    3.2. Control Button..............................5

    3.3 Adjusting the Picture.......................................6

    4. Input/Output Specification........................7

    4.1. Input Signal Connector.............................7

    4.2. Factory Preset Display Modes........................7

    4.3. Power Supply Requirements...............................8

    5. Panel Specification.......................9

    5.1. General Feature.......................9

    5.2. Optical Characteristics9

    6. Block Diagram...................................10

    6.1 Software Flow Chart...10

    6.2.Electrical Block Diagram.........12

    7. Schematic......................................14

    7.1 Main Board...........................................14

    7.2 Power Board......................................19

    8.PCB Layout.........................................25

    8.1. Main Board........................................25

    8.2. Power Board.......................................28

    8.3. Key Board...................................31

    9. Maintainability.......................................32

    9.1. Equipments and Tools Requirement..............32

    9.2. Trouble Shooting..............................33

    9.2.1 Main Board..............................33

    9.2.2 Power Board..............................35

    9.2.3 Key Board..............................37

    10 White-Balance, Luminance adjustment...38

    11.Mechanical Instructions............40

    12. Monitor Exploded View.............46

    13. BOM List..47

    14. Different Parts List....................................58

  • 17" LCD Color Monitor HP w17e

    2

    Revision List Version Date Revision History TPV Model Name

    T77HRDNQ4WHPAE

    T77HRDNB4WHPAE

    T77HRDNM4WHPAE A00 Feb.-28-2007 Initial release

    T77HRDND4WHPAE

    A01 Apr.-03-2007 Add TPVDW Model in Item 14 T77HRDNK4WHPAE

    A02 Jul.-05-2007 Add TPVDW Model in Item 14 T77HRDMM4WHEANE

    A03 Jul.-25-2007 Add TPVDW Model in Item 14 T77LRDMD4WHPANE

    T77HRDMT4WHFANE

    T77HRDMD4WHFANE

    T77HRDMK4WHAANE A04 Sep.-04-2007 Add TPVDW Model in Item 14

    T77HRDMC4WHFANE

    T77LRDMM4WHPANE A05 Oct.-10-2007 Add TPVDW Model in Item 14

    T77LRDMK4WHPANE

    A06 Oct.-29-2007 Add TPVDW Model in Item 14 T77GRDMD4WHFANE

    A07 Nov.-09-2007 Add TPVDW Model in Item 14 T77LRDMC4WHPANE

    A08 Nov.-14-2007 Add TPVDW Model in Item 14 T77HRDMB4WHFANE

    A09 Dec.-21-2007 Add TPVDW Model in Item 14 T77GRDMB4WHFANE

    T77GRDMT4WHFANE

    T77GRDMK4WHAANE A10 Jan.-19-2008 Add TPVDW Model in Item 14

    T77LRDMM4WHEANE

    Update Power Board in Item 78 715G2545 3 6F2I T77HRDMD4WHPA1E A11 Mar.-14-2008

    Add TPVDW Model in Item 14 T77HRDMM4WHPA1E

    T77HRDMM4WHPA1E

    T77HRDMT4WHFA1E

    T77HRDMD4WHFA1E

    T77HRDMK4WHPA1E

    T77HRDMK4WHAA1E

    T77HRDMQ4WHP61E

    A12 Nov.-19-2008 Add TPVDW Model in Item 14

    T77GRDMQ4WHA6NE

    T77GRDMD4WHFACE

    T77GRDMk4WHAACE A13 Mar.-30-2009 Add TPVDW Model in Item 14

    T77GRDMT4WHFACE

  • 17" LCD Color Monitor HP w17e

    3

    1. Monitor Specification LCD PANEL17 DRIVING SYSTEM TFT Active Matrix color LCD

    SIZE 389.2 x 254.5 mm (17)

    VIDEO R,G,B Analog

    SEPARATE SYNC F/V TTL TMDS DISPLAY COLOR 262,144 Colors

    DOT CLOCK 135MHz

    FACE FREALMENT Antiglare polarizer with hard coating (select models only)

    Resolution Horizontal scan range 30KHz to 83KHz

    Horizontal scan size(Maximum) 389.7mm

    Vertical scan range 55Hz to 75Hz

    Vertical scan size(Maximum) 255.0mm

    Optimal preset resolution 1440(H) x 900(V) at 60Hz

    Highest preset resolution 1440(H) x 900(V) at 75Hz

    Highest addressable resolution 1440(H) x 900(V) at 75Hz

    Plug Play VESA DDC2B Input Connectors D-Sub VGA 15pin,audio jack

    Input Video Signal Analog:0.7Vp-p(standard),75 OHM, Positive DVI-D Digital Interface (TMDS)

    Power Source 100-240V,47-63Hz

  • 17" LCD Color Monitor HP w17e

    4

    2. LCD Monitor Description The LCD Monitor will contain main board, power board, a key board which house the flat panel control logic, brightness

    control logic and DDC.

    The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each

    voltage.

    Video signal, DDC

    Power Board

    (Include adapter board)

    Flat Panel and

    CCFL backlight

    Main Board RS232 Connector

    For white balance

    adjustment in

    factory mode

    HOST Computer

    CCFT Drive.

    AC-IN

    110V-240V

    Monitor Block Diagram

    Keyboard

  • 17" LCD Color Monitor HP w17e

    5

    3. Operation Instructions 3.1 General Instructions

    Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. By

    changing these settings, the picture can be adjusted to your personal performance.

    - The power cord should be connected and insert to adaptor.

    - Connect the video cable from the monitor to the computer VGA card.

    - Press the power button to turn on the monitor, the power indicator will light up to Green.

    3.2 Control Button

    A AUTO-Configuration/Exit D MENU /Enter

    B Volume decrease / Left navigation E power

    C Volume increase / Right navigation F LED

    A B C D E F

  • 17" LCD Color Monitor HP w17e

    6

    3.3 Adjust the Picture

  • 17" LCD Color Monitor HP w17e

    7

    4. Input/Output Specification 4.1 Input Signal Connector

    Pin Signal Pin Signal 1 Red Video 9 3.3/+5 V (from PC)

    2 Green Video 10 Sync Ground

    3 Blue Video 11 None

    4 None 12 DDC Data

    5 Ground (DDC Return) 13 Horizontal Sync

    6 Red GND 14 Vertical Sync

    7 Green GND 15 DDC Clock

    8 Blue GND

    VGA connector layout

    PIN 1 PIN 5

    PIN 11

    4.2 Factory Preset Display Modes

    Preset Pixel Format Horizontal

    Frequency(KHz)

    Vertical

    Frequency(KHz)

    1 640480 31.4 59.9

    2 640480 37.8 72.8

    3 640480 37.5 75.0

    4 720400 31.4 70.0

    5 800600 37.8 60.3

    6 800600 48.0 72.1

    7 800600 46.8 75.0

    8 832624 49.7 74.5

    9 1024768 48.3 60.0

    10 1024768 56.4 70.0

    11 1024768 60.0 75.0

    12 1152870 68.6 75.0

    13 1152900 71.7 76.1

    14 12801024 63.9 60.2

    15 12801024 79.9 75.0

    16 1440900 56.0 60.0

  • 17" LCD Color Monitor HP w17e

    8

    4.3 Power Supply Requirements

    Parameter Range

    AC Input Voltage 90 to 265V

    AC Input Frequency 45 to 63 Hz

    Inrush Current 50A MAX AT 220VAC and 30A AT 120VAC

    Leakage Current 5 mA MAX at 120VAC

    Power Consumption 37W

  • 17" LCD Color Monitor HP w17e

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    5. Panel Specification 5.1 General Feature

    5.2 Optical Characteristics

  • 17" LCD Color Monitor HP w17e

    10

    6. Block diagram 6. 1 Software Flow Chart

    1

    2

    N

    Y

    5

    Y

    N

    10

    Y

    N

    12

    Y

    N

    7

    Y

    N

    6

    4

    3

    8

    9

    14

    11

    13

    Y

    N

    15

    Y

    N16

    17

    19

    Y

    N 18

  • 17" LCD Color Monitor HP w17e

    11

    REMARK:

    1) MCU initialize.

    2) Is the EEprom blank?

    3) Program the EEprom by default values.

    4) Get the PWM value of brightness from EEprom.

    5) Is the power key pressed?

    6) Clear all global flags.

    7) Are the AUTO and SELECT keys pressed?

    8) Enter factory mode.

    9) Save the power key status into EEprom.

    Turn on the LED and set it to green color.

    Scalar initialize.

    10) In standby mode?

    11) Update the lifetime of back light.

    12