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Service Manual LG TV Ultra Slim, with USB, Chassis CW62D. Failure Q401 and C463. 2SC6090LS sustitute for BU2508AF
Citation preview
COLOR TVSERVICE MANUAL
CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : CW62D
MODEL : 29FU6RSD/RSMODEL : 29FU6RSD/RS-T5
North/ Latin America http://aic.lgservice.comEurope/Africa http://eic.lgservice.comAsia/Oceania http://biz.lgservice.com
Sep, 2008Printed in ChinaP/NO : MFL42090903
Internal Use Only
- 2 -
CONTENTS
Contents...................................................................................................................2
Safety Precautions..............................................................................................3
Specifications........................................................................................................4
Adjustment Instructions .................................................................................5
Trouble Shooting.................................................................................................13
Printed circuit board.........................................................................................17
Block Diagram ......................................................................................................19
Exploded View....................................................................................................20
SVC. Sheet..................................................................................................................
Copyright2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 3 -
SAFETY PRECAUTIONS
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by inthe Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual toprevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.
General Guidance
An isolation Transformer should always be used duringthe servicing of a receiver whose chassis is not isolated fromthe AC power line. Use a transformer of adequate power ratingas this protects the technician from accidents resulting inpersonal injury from electrical shocks.
It will also protect the receiver and its components from beingdamaged by accidental shorts of the circuitry that may beinadvertently introduced during the service operation.
If any fuse (or Fusible Resistor) in this TV receiver is blown,replace it with the specified.
When replacing a high wattage resistor (Oxide Metal FilmResistor, over 1W), keep the resistor 10mm away from PCB.
Keep wires away from high voltage or high temperature parts.
Due to high vacuum and large surface area of picture tube,extreme care should be used in handling the Picture Tube.Do not lift the Picture tube by its Neck.
X-RAY Radiation
Warning:
To determine the presence of high voltage, use an accuratehigh impedance HV meter.
Adjust brightness, color, contrast controls to minimum. Measure the high voltage. The meter reading should indicate 23.5 1.5KV: 14-19 inch, 26 1.5KV: 19-21 inch,29.0 1.5KV: 25-29 inch, 30.0 1.5KV: 32 inchIf the meter indication is out of tolerance, immediate serviceand correction is required to prevent the possibility ofpremature component failure.
Before returning the receiver to the customer,
always perform an AC leakage current check on the exposedmetallic parts of the cabinet, such as antennas, terminals, etc.,to be sure the set is safe to operate without damage ofelectrical shock.
Leakage Current Cold Check(Antenna Cold Check)With the instrument AC plug removed from AC source,connect an electrical jumper across the two AC plug prongs.Place the AC switch in the on position, connect one lead ofohm-meter to the AC plug prongs tied together and touch otherohm-meter lead in turn to each exposed metallic parts such asantenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the chassis, themeasured resistance should be between 1M and 5.2M. When the exposed metal has no return path to the chassis thereading must be infinite.An other abnormality exists that must be corrected before thereceiver is returned to the customer.
Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet.Do not use a line Isolation Transformer during this check. Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitorbetween a known good earth ground (Water Pipe, Conduit, etc.)and the exposed metallic parts.Measure the AC voltage across the resistor using ACvoltmeter with 1000 ohms/volt or more sensitivity.Reverse plug the AC cord into the AC outlet and repeat ACvoltage measurements for each exposed metallic part. Anyvoltage measured must not exceed 0.75 volt RMS which iscorresponds to 0.5mA.In case any measurement is out of the limits specified, there ispossibility of shock hazard and the set must be checked andrepaired before it is returned to the customer.
Leakage Current Hot Check circuit
The source of X-RAY RADIATION in this TV receiver is theHigh Voltage Section and the Picture Tube.For continued X-RAY RADIATION protection, thereplacement tube must be the same type tube as specified inthe Replacement Parts List.
1.5 Kohm/10W
To Instrument'sexposed METALLIC PARTS
Good Earth Groundsuch as WATER PIPE,CONDUIT etc.
AC Volt-meter
IMPORTANT SAFETY NOTICE
0.15uF
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 4 -
SPECIFICATIONSNote : Specification and others are subject to change without notice for improvement.
V ScopeThis specification is for CW62D CHASSIS Color TV.
V Test and Inspection Method1) Capability: It follows the TV QC Standard of LGE.2) Standards of Etc. requirement- Safety: IEC60065-EMC : CE standard(EN55020,EN55013)
V Test ConditionConduct the test as mentioned below.2.1 Temperature : 25 5 C ( CST 40 5 C)2.2 Relative Humidity : 65 10%2.3 Power Voltage :
2.4 Follow each drawing or spec for spec and performance of parts, based upon P/N of B.O.M.
2.5 Warm up TV set for more than 20min. before the measurement (If no problem in capability,this allow omitted)
No 1
2
3
4
56
6
7
ItemReceiving System
Receiving Channel
Input Voltage
Market
Picture inchTuning System
Operating Environment
Storage Environment
RemarkKorea,Japan,Taiwan,NorthAmerica,Middle South AmericanEU /Non EU MODEL
OPTION
Korea,Taiwan,North America.Middle south American
Japan
1)EU/Non EU Model
2)NTSC-M(Multi-model NTSC-M)
KoreaMiddle south AmericaNorth AmericaJapanTaiwanNON-EUEU
NTSC MODELPAL MODEL200 PR(W/O TXT )
Specification1) NTSC M2) NTSC M/ PAL M/N1) PAL,SECAM BG2) PAL/SECAM DK3) PAL-I/I4) NTSC M5) NTSC 4.43(AV)6) SECAM L/L7) NTSC M/PAL M/N1) VHF : 02~13UHF : 14~69CATV : 02~125
2) VHF/UHF : 1~62CHCATV : C13~C38CHTOTAL 88CH
3) VHF : E2 ~ E12UHF : E21 ~ E69CATV : S1 ~ S20HYPER : S21 ~ S41
4) VHF : 02 ~ 13UHF : 14 ~69CATV : 02 ~ 71
AC 220V, 60HzAC 100 ~ 240V, 50/60HzAC 120V, 60HzAC 100V, 50/60HzAC 110V, 60HzAC 110 ~ 240 V/50Hz, 60HzAC 230 V 50/60 HzKorea, Japan, Taiwan, NorthAmerica. Middle SouthAmerican ,Filipine, China,Middle Asia, Asia, EU, CISFLAT 29FSFVS 100 program
1)Temp : 0 ~ 45 deg2)Humidity : under 85 %1)Temp : -20 ~ 60 deg2)Humidity : under 85 %
V General Specification
Market Place
Miesast/Africa
EU/CIS
Band
L G
L G
Standard input Voltage
110 ~240 Vac, 50/60Hz
230Vac 50Hz
Remark
Initial
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
1. Application ObjectThis specification can be applied to all the television related toCW62D Chassis.
2. Notes(1) Because this is a cold chassis, it is not necessary to use an isolation transformer. However,operating it using a t r a n s f o r m e r b e t w e e n t h e p o w e r s u p p l y l i n e a n d c h a s s i si n p u t t o p r e v e n t e l e c t r i c s h o c k a n d t o p r o t e c t t h e t e s tinstrument.
( 2 ) A l l a d j u s t m e n t s m u s t b e d o n e i n c o r r e c t s e q u e n c e .However, for better productivity, it can be changed in a pre-permitted range.
(3) Environment conditions: If not specified, it must be done infollowing conditions.1) Temperature: 25 5 C 2) Humidity : 65 10%
(4)Adjust receiver's AC power follow the rated voltage.(5) If not specified, the receiver must be operated for more than 15 minutes prior to the adjustment.But adust on theboard, can adjust under the JIG state instantly.
(6) Signal: Received the standard color signal. (65dB 1dBuV)LG standard signal means the digital pattern PAL_EU 05CH
3. Adjust Item 3.1.1. Preparation for Adjustment.
Input Cross-Hatch Pattern [fig.1],Set video mode DYNAMIC(CLEAR)
3.1.2. Adjustment.1Adjust FOCUS VOLUME(the top volume of FBT) and make the FOCUS of vertical line on the quarter of screen(red area in fig.1) achieve the best state.
3.2. Purity and Convergence adjustmentFollowing direction is a case using of None-ITC CPT for CPTmanufacture factory.This adjustment should be done as below direction.
3.2.1. Purity adjustmenta. Do degauss CPT and Cabinetb. Receive Red Raster signal. c. Unfasten fixing Screw of DY, close DY to CPT Funnel DYas possible as you can.
d. Make R-Land be centered as cross Purity MagnetThat time,4th 6th magnet should keep free gauss status.
e. Make uniform RED Raster as moving DY, C h e c k t h e r e i s p u r i t y p r o b l e m o r n o t o n R / G / B , w h i t eRaster.Then, Fix screw of DY.(At this time, be careful about inclination and DY should befixed keeping horizontality)
f . C h e c k t h e T V i n d i r e c t i o n o f E A S T , W E S T , S O U T H ,NORTH,. Adjust with supporting MAGNET when adjustment is not operated ..
3.2.2. Adjustment for ConvergenceT h i s a d j u s t m e n t s h o u l d b e o p e r a t e d a t t h e b e s t c o n d i t i o n o fFOCUS after finishing the PURITY adjustment.
1) BACK RASTER receives black CROSS HATCH signal.2) Adjust Brightness so that there are 9-12 dots.3 ) W i d e n t w o t a b s o f 4 p o l e M a g n e t w i t h e q u a l a n g l e s a n daccord red, blue vertical lines at the center of screen.
4 ) W i t h k e e p i n g a n g l e o f " c . c l a u s e " , r o t a t e t a b a n d a c c o r dred/blue, green vertical lines at the center of screen.
- 5 -
ADJUSTMENT INSTRUCTIONS
A B
5 ) W i d e n t w o t a b s o f 6 p o l e M a g n e t w i t h e q u a l a n g l e s a n daccord red, blue vertical lines at the center of screen.
6 ) W i t h k e e p i n g a n g l e o f " e . c l a u s e " , r e p e a t t h e a d j u s t m e n tf r o m c t o e k e e p i n g i n m i n d t h e m o v e m e n t o f r e d , b l u e ,green when the horizontal lines are twisted.
7) Move DY up, down, left, right and make the convergence tobe optimal condition and stick rubber wedge to CPT so that the DY not to move.
8 ) O r d i n a t e R , G , B a d j u s t , p r o c e s s m u s t f o l l o w t h e R , G , Bsequence.W h e n a d j u s t n o t f o l l o w t h e R , G , B s e q u e n c e , p i c t u r ecircumjacent Miss-Convergence will NG.
3.3 SCREEN & WHITE BALANCE Adjusting3.3.1. Manual Adjustment Method (use remoncon
for adjusting)1 ) O n R F M o d e , i n p u t P A L o r S E C A M ( N T S C ) s i g n a l , a n dreceive (it is independent of CH)
2) Under LINE SVE MODE (IN-START KEY),Press ADJ KEYcan switch to SCREEN adjust MODE.
3) Adjust FBT's SCREEN VOL, Make the TV picture appear ahorizon line ,turning FBT SCREEN VOL make the horizonl i n e j u s t d i s a p p e a r i s t h e b e s t p o s i t i o n . ( W h e n e x i t S V CMODE press "TV/AV" KEY).
3.3.2. WHITE BALANCE Manual Adjustment.( INSTART -> SERVICE1)
When auto adjust in [LINE SVC MODE (IN-STARTKEY)press MUTE KEY will switch to CPU OFF MODE,thetop of picture will display CPU OFF state connect toadjust JIG.
1) TV set receive 100% White Pattern signal2) In the state of default setting,adjust BLO-R(R CUT), BLO-G(G CUT) 3 ) I n d e f a u l t s e t t i n g D a t a B G ( B - D R I V E ) i s 3 2 , a d j u s t R G ( R -DRIVE), GG(G-DRIVE) Make X,Y coordinate satisfy color coordinate below,adjustHIGH LIGHT(35FL).
Adjust repeatedly until HIGH LIGHT, LOW LIGHT match. W/B setting default data refers to W/B TABLE based on different MODEL.
CW62D WHITE BALANCE IIC PARAMETER1. IC
2. White balance IIC Parameter (Address)
3.Color coordinate
3.4 Deflection Setting Data AdjustmentWhen adjust manual as follow
3.4.1. Adjustment Preparation(1) TV set receive Digital pattern (PAL: E5ch.)( 2 ) D e f l e c t i o n s e t t i n g d a t a a d j u s t m e n t c a n b e d o n e o n l y w i t hremote control.
(3) Press the INSTART Key on the factory remote control continuously to enter Deflection Adjustment mode.
(4) Press the CH D ,E Key to select adjustment item.(5) Press the F ,G Key to change the data.
3.4.2. Adjustment 1.Deflection Setting Data Adjustment,adjust in N50Hz (PAL) modef i r s t l y , U S B a p p l y m o d e l , P A L M u t i : N 6 0 H z ( D i g i t a l P a t t e r n )need setting Deflection dataThen separately adjust N60Hz(NTSC), Z60Hz, N50Hz, W50Hz,Z50Hz.(Model with ARC function)(In N60Hz adjustment, data more than N60Hz can auto transferaccordingly to N60Hz compensate value, please pay attentionto it.)
2. Korea Model adjust only in N60Hz.3. Middle/south America Model first adjust in N60HZ,then in N50(PAL-N ).
- 6 -Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
Item
X
Y
Color
Temperature
288
295
9000
degree
268
273
1300
degree
267
276
1300
degree
282
288
10000
degree
266
282
13000
degree
EU N-EU KOREA/TaiwanMiddle/South
America Philippines
WHITE BALANCE Color Coordinate
Item
BLO-R(R CUT)
BLO-G(G CUT)
RG(R DRIVE)
GG(G DRIVE)
BG (B DRIVE)
LOW
LIGHT
HIGH
LIGHT
0 ~ 63
0 ~ 63
0 ~ 63
0 ~ 63
0 ~ 63
32
32
32
32
32
PAL
fixed
Range default setting data remarks
WHITE BALANCE default setting data
W/B auto adjust machine setting Table
VCD IC
EP_ROM
Name Maker NOTE
0 0 0 0
Algorithm
Program
Sub Add
Start Bit
Stop Bit
Offset
Polarity
EP_Rom_S
B(R)_Amp
Win31_wb TWB
20
5
0
0
1
36
B(R)_Cut
Win31_wb TWB
17
5
0
0
1
33
G_Amp
Win31_wb TWB
2 1
5
0
0
0
3 7
Program
Vcd Slave
Win31_wb TWB
8A Eeprom_Slave
Win31_wb TWB
A 0
Speed
1
Delay
30
G_Cut
Win31_wb TWB
18
5
0
0
0
34
Mode
High
Light
Low
Light
4. After finishing deflection setting data adjustment, press ENTERKEY,then save it and escape adjustment Mode.
Deflection Setting ITEM
1. V SLOPECPT center line aim at black background !
2. V SHIFT (VS)K e e p a c c o r d w i t h v e r t i c a l c e n t e r l i n e o f r e c e i v e d p i c t u r e a n dCPT
3. V LINEAR (VL)Adjust the top & bottom size of inner circle to be equal on PALE05 CH.
4. V AMPLIT (V AMPITUDE)
PAL signal: Adjust upper and lower part of circle from the effective screen of the CPT to be distance of 6~7mm .
5. H SHIFT (HS)
Adjust the vertical center line of a digital circle pattern is in accord with geometric vertical center of the CPT.
6. EW WIDTH (EW)Adjust outer line of the left/right outer lattice to be united with effective boundary surface of CPT.Adjust(1) of [Fig 4] 0~25% scope on external lattice from PAL
adjustment.
7. EW PARAB (EW PARABOLA)Adjust so that middle portion of the outer most left andright vertical line looks like parallel with vertical lines of the CPT.
8. EW TRAPE (EW TRAPEZOID)Keep accord with the top and the undersurface horizontal scope.(When picture distorts,adjust until it is the square.)
9. EW UPCOR & EW LOCORRAdjust so that corner vertical line of upper-left ,upper-right, lower-left and lower-right to be optimization.
10. H BOWAdjust until distortion scope of the edge part in the top and the undersurface of the picture are the same.
11. H PARALL (ANGLE)In angle adjustment, adjust until inclination of center vertical lineshould be vertical precisely.
12. SCORRECT (S CORRECTION)Adjust so that the lattice scopes of top, center, bottom of received pattern are the same. Use the default setting data (Initial data) of CPT owing to using DYdata of CPT.
13. V SCROLLKeep accord with the geometry vertical center line of received picture and the vertical center of CPT.
14. V ZOOM VERTICAL ZOOM
15. WBR16. WBF
3.5 Deflection setting default (SERVICE 2)- P A L(SERVICE 2)
[ T a b l e 4 ] D e f l e c t i o n s e t t i n g d e f a u l t b a s e d o n d i f f e r e n t m o d e l(SERVICE 2)
- 7 -
[Fig.5] Cross-Hatch Pattern (PAL:E-7 CH)
C R N U
C R N L
C R N U 6
E P
C R N L 6
Adjusting Point
Actual picture size
[fig.4] PAL Digital Pattern (EU05CH)
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
-8 -Copyright2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
First adjust in PAL 50HZ, and then adjust in NTSC 60HZ, but it needs confirmadjustment state again in NTSC System. Adjust if necessary.
3.6 SVC DEFAULT DATA (DATA below is supervised by EEPROM MASTER.)
3.6.1 PAL SERVICE (EEPROM)[Table 6] SERVICE 1 [Table 7] SERVICE 3
25323232323281325
RemarksAdjustItem
AGC
RG
GG
BG
BLO-R
BLO-G
CDL
L-DLY
RGB-BRI
AGC take over
Red Gain
Green Gain
Blue Gain
Black level offset Red
Black level offset Green
Cathode Drive Level
Luminance delay time
OSD/TEXT BRIGHTNESS
25323232323281325
Adjustexplanation
LPDKTS-AK
LPDSGTS-AK
50Hz 60Hz 50Hz 60Hz
LPDSG TS-AKLPDK TS-AKAdjust Item
V SLOPEV SHIFT
V LINEARV AMPLITH-SHIFT
EW WIDTHEW PARABEW TRAPEEW UPCOREW LOCOR
H BOWH PARALL
SCORRECTV SCROLLV ZOOM
WBRWBF
V SYNSLIOVRVOLINV GUARD
Vertical slopeVertical shiftVertical linearityVertical amplitudeHorizontal shiftEW widthParabola adjTrapezoid adjLower corner adjLower corner adjBowHorizontal parallelogramS correctionVertical shiftVertical zoomTiming of Wide BlankingTiming of Wide BlankingVertical slicing levelOver voltage input modeVertical guard mode
15514027253238224857403032212572001
15454025353545154555353032212572001
15353525214646405250404038212572001
YesYesYesYesYesYesYesYesYesYesYesYes
Adjust if necessaryAdjust if necessaryAdjust if necessaryAdjust if necessaryAdjust if necessaryAdjust if necessaryAdjust if necessaryAdjust if necessary
Adjustexplanation
29"S-SLIM Adjust or not
0116181822088410
1005004058
N-EU EU RemarksAdjustItemOVMADAPT
OVMTHR
ADC LEV
DEC LEV
MONO LEV
NICAMLEV
FILTBW
BAMA FC
AUX3 VOL
FMWINDOW
BOOSTVAL
MAX VOL
DCXO VAL
DCXOA
TEXT-V
TEXT-H
DBB GAIN
OVER MODULATION ADAPT
OVER MODULATION THRESHOLD
ADC LEVEL (-16 ~ 15) ADCLEVDEC LEVEL (-16 ~ 15) DECLEVMONO LEVEL (-16 ~ 15) MONOLEVNICAM LEVEL (-16 ~ 15) NICLEVFILTER BANDWIDTH
BASS MANAGEMENT FREQUENCY CHAR.
AUX3 VOL (SCART1 RF SOUND OUT)FM WINDOW FILTER (FMWS)
MAX VOLUME
DCXO
DCXO
TEXT POSITION VERTICAL
TEXT POSITION HORIZONTAL
Dynamic Bass Booster
0116171822088910
1005004058
FM pre-scaler (Stereo L/R)FM pre-scaler (Mono)NICAM pre-scaler
Scart pre-scaler
For 29FU3 Tool
Adjust explanation
- 9 -Copyright2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
OPTION DATA in BOM ,for example:
LEVEL PART NO. SPECIFICATION DESCRIPTION1. 3141VMN382A MAIN CHASSIS ASSY [112,68,164,32,8]
RemarksAdjustItem
WS
BKS
BSD
DSK
COR
PF
RPO
RPA
PWLDAC
IFOFF
CHSE
ACL
CLPDEL50
CLPDEL60
CLPLEN
CLMPID
Degauss
WHITE STRETCH
BLACK STRETCH
BLACK STRATCH DEPTH
DYNAMIC SKIN CONTROL
VIDEO DEPENDENT CORING
PEAKING FREQUENCY DELAY
RATION POSITIVE/NEGATIVE PEAK
RATION PRE/AFTER SHOOT
PWLDAC PEAK WHITE LIMITER DAC
IF DEMODULATIOR
CHROMA SENSITIVITY
AUTO COLOR LIMITING
PAL CLAMPING DELAY
NTSC CLAMPING DELAY
CLAMPING PULSE LENGTH
CLAMPING DURATION
W degauss
110120325
4201
202331
Adjust explanation1101203254201202331
LPDKTS-AK
LPDSGTS-AK
[Table 8] SERVICE 4
ITEM
INCHSYSTEM200PR
TOPACMSCH-AUSCREENChassisPIP
VOL CURVE(volume curve)A2 STEREOI/II SAVEAV3
SCARTDVD
XWAVE
EYE
4KEY
TILT
DBB
OSD LANGTXT LANGUSB (Southeast Asia& Arab)AV2
REMOCONHOTELTURBOSCH (Turbo search)TURBOP/S(Turbo picture/sound)COUNTRY(Europe only)LGEINVOL(Southeast Asia only)BLUEBACK(Southeast Asia only)QUARRAN (Arab & Europe only)TEXT
TS/AK CPT
OPTION1
OPTION2
OPTION3
OPTION4
OPTION5
Description
0: 29 S/Slim ,1: 28 "Flat , 2: 29" Flat, 3: 25" Flat
BG/DK/I/M, BG/DK/I/L
1: W/O TXT => 200PR, 0: W/TXT => 100PR
0: FLOF,1: TOP=>Germany, Swiss, Austria, Italy
0: OFF,1: ON=>Auto channel memory system
0: Other Area,1: China & Australia Frequency table
0 : other CPT ,1: TS-AK CPT
CW62A: 0 /CW62C: 1/CW62D: 2
0: No PIP, 1: 1 Tuner PIP, 2: 2 Tuner PIP, 3:Reseved
0: EU=> Low curve, 1: NON-EU=> High curve
Nicam check & FM stereo / Dual
: OFF, 1: ON=>Dual sound setting save on
0 : W/O SIDE A/V, 1 : W/ SIDE A/V
0: No scart, 1: 1 SCART, 2: 2 SCART, 3: Reserved
0: W/O DVD, 1: W/ DVD
0: W/O X WAVE, 1: W/ WAVE
0: W/O EYE, 1: W/ EYE
0: 6 KEY, 1: 4 KEY
: W/O TLIT, 1: W/TILT
0 : W/O DBB except 29FU3, 1 : W/ DBB Only 29FU3
Refer to the next page(table.14)Refer to the next page(table.14)0 : W/O USB Model , 1: W/ USB Model
0:W/O AV2 CW62E OPT(W/O SIDE AV NO AV2)1: W/AV2 CW62A/C/D ALWAYS 1
TXT/MIX ONE BUTTON:0 TXT MIX TWO BUTTONS:1
0: Normal, 1: HOTEL option
0: EU(RZ)=>W/O Turbo search, 1: NON-EU(RT)=>W/Turbo search0: W/O Turbo picture & sound,
1: W/ Turbo picture & sound
0: NON MA Menu, 1: MA Menu
0: Others, 1: LGEIN Volume
0: Blue back off, 1: Blue back on
0: W/O Quarran, 1: w/ Quarran
1:W/ TEXT , 0: W/O TEXT
1:TS/AK CPT, 0: NON-TS/AK CPT
[Table 12] OPTION 1,2,3,4,5
OSD & TEXT LANGUAGES
- 10 -
Southeast Asia TEXT
EAST EU CYRILLIC TEXT
WEST EU GREEK TEXT
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
0
1
2
3
4
5
6
7
0
1
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
8
9
10
11
0
1
ENGLISH
SOUTHEAST ASIA
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
ENGLISH
EAST EU ALL
ENGLISH RUSSIAN
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
ENGLISH
EU 7EA
WEST EU ALL
ENIGLISH GREEK
RESERVED
RESERVED
RESERVED
RESERVED
ENGLISH
INDONESIAN
MALAY
VIETNAMESE
THAI
ENGLISH
GERMAN
RUMANIAN
POLISH
HUNGARIAN
CZECH
RUSSIAN
BULGARIAN
ENGLISH
RUSSIAN
ENGLISH
GERMAN
FRENCH
ITALIAN
SPANISH
NETHERLANDISH
PORTUGUESE
ENGLISH
GERMAN
FRENCH
ITALIAN
SPANISH
NETHERLANDISH
SWEDISH
NORWEGIAN
DANISH
FINNISH
PORTUGUESE
GREEK
ENGLISH
GREEK
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 11 -
ARAB TEXT
FARSI TEXT
Southeast Asia W/O TEXT
WEST EU W/O TEXT
EAST EU W/O TEXT
ARAB W/O TEXT
CHINA, INDIA W/O TEXT
Korea/Middle south America
Taiwan
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
ENGLISH
ARABIC
FARSI
ARAB ALL
RESERVED
RESERVED
RESERVED
RESERVED
Same as ARAB TEXT
Same as Southeast Asia TEXT
Same as WESTEU GREEK TEXT
Same as EASTEU CYRILLIC TEXT
Same as ARAB TEXT
ENGLISH
CHINA
HINDI
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
ENGLISH
FRENCH
ARAB
URDU
ENGLISH
FRENCH
ARAB
FARSI
ENGLISH
FRENCH
ARAB
URDU
FARSI
ENGLISH
CHINESE
ENGLISH
HINDI
0
1
2
3
0
1
2
3
0
1
2
3
4
0
1
0
1
3.7 FM TX MODEL * (option)FM TRANSMITTER MODEL send/receive state checking method (FM Receiver Model)FM TRANSMITTER Performance checking process after antenna lay out.FM TRNASMITTER Function: send TV sound (MONITOR Output) to FM by receiver in MICOMBOARD, and achieve sound signal by special remocon and ear-phone.
Remarks: Even if dont use special remocon, ordinate FM receiver equipment can receive sound signal with receive frequency of OSD setting. .
Check in LG 5, 25 channel or channel with sound output.Choose receive frequency of MENU OSD.MENU => SOUND => TRANSMITTER => Frequency(87.7MHz)C h e c k o u t p u t s o u n d s i g n a l o f M A I N S P E A K E R i n e a r -phone or other receive equipment.In FM TX check process.there is not any change of adjustDATA or others.
4. Shipping condition.4.1. Shipping Mode
Do push IN-STOP KEY using by R/C and it, will be done shipping mode.
4.2. Shipping condition
[Table 15]
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 12 -
4.2.1 PSM MODE Default Setting (PAL)[Table 16]Picture Mode Default Setting
5. OPTION Adjustment (PAL) 1) OPTION adjustment decide Model Function, press IN-STARTK E Y o f r e m o c o n a n d e n t e r a d j u s t m e n t m o d e . T h e n c h o o s eOPTION 1, 2, 3, 4, 5 to adjust separately.
2) OPTION1 scope (0~255), OPTION2 scope (0~255), OPTION3 scope (0~250), OPTION4 scope (0~337), OPTION5 scope (0~252).Using Vol. +, - and CH +, - KEY directly input. (OPTION dataautomatic setting)
3) OPTION data in BOM (Chassis Assy SPECIFICATION) show:such as [111,111,111.111,111]
6. SOUND PRE-SCALER
This SVC setting value is set since Model design for standard, soa d j u s t m e n t s h o u l d n o t b e d o n e a t m a n u f a c t u r e p r o c e s s . T h i sadjustment specification shows for only reference.
Audio Out Level SPECPAL B/G, D/K, I : 500mVrms at 54 % modulation ratio.SECAM B/G, D/K, L/L : 500mVrms at 54 % modulation ratio.
PSM
CONTRAST
BRIGHT
COLOR
SHARPNESS
Dynamic
100
60
60
60
Standard
90
55
55
60
Mild
60
55
55
50
Game
50
55
60
50
Power
Input
MEMORY
CHANNEL
SOUND
MUTE
PSM
XD
SSM
TORBO SOUND
AVL
BALANCE
ON/OFF TIME
AUTO SLEEP
CHILD LOCK
DEGAUSS
EYE
TILT
BLUE BACK
BOOSTER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
ITEMNo. Shipping conditionOFF
TV
CH. MEMORY refer to
manage benchmark
30 STEPS
OFF
DYNAMIC
ON
FLAT
OFF
OFF
0
OFF
OFF
OFF
OFF
OFF
0
OFF
OFF
Remarks
only 29FU3 Tool is Music
only 29FU3 Tool is ON
OPTION
OPTION
OPTION
OPTION
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
TROUBLE SHOOTING
- 13 -
1. RF-STEREO MODEL1) PICTURE OK / NO SOUND
Check/ Replace TU101 or Input signalNO
OK
Selected correct system in menu
Check the waveform IF 1 of TU101
C h e c k t h e v o l t a g e a t p i n 3 , 9 , 1 6 , 4 3 ,86, 88, 90 of UOCIII
NOCheck/ Replace IC501
NO
C h e c k t h e v o l t a g e a t p i n 5 7 , 5 8 o fUOCIII
NO
OK
Check the waveform at pin 4, 5 of IC501
OK
Check the waveform at pin 4, 2 of IC601
Check/ Replace Q601NO
OK
Check the waveform at pin 6 of IC601
Check/ Replace IC601NO
OK
Check the waveform at pin 8, 9, 11, 12of IC601
Check/ Replace R823, D826
Check the Heater voltage ofCPT(6~6.4 Vrms)
Check R, G, B out of CPT board
Check IC901,P403A
Check 197V line of CPT Board &if no problem check and Replace
Check the Heater pulse of FBT T402
C h e c k F R 9 0 1 , P 4 0 3 A ,P902B, FR401
Check FBT T402
Check HV, Screen voltage of CPT
Check FBT T402
NO
OK
Check the waveform at pin 5, 7 of IC601
2) No Raster / Sound OK(1/2)
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 14 -
3) No Raster (2/2)
C h e c k t h e i n / o u t o fr e g u l a t o r ( I C 8 2 2 ,IC823, IC824)
C h e c k p i n 7 3 o fIC501(H_Out)
Check the voltage ofC832
Check/ Replace Fuse
I s t h e v o l t a g e e a c hpin voltage of IC501
Check Fuse of AC line
Check/ ReplaceIC501
Check T401 & eachpin voltage
Check Q401collectwaveform
Check & ReplaceT402
Check the voltagepin4 of IC801
Check/ ReplaceIC801, IC802, Q830
Check Fuse and Diode of secondaryLoad of SMPS trans(T801)
C h e c k t h e B + a t D 8 2 9cathode
OPEN
Check/ Replace DB801
NO
Check/ Replace Fuse and IC801
NO
OK
NO
Normal Abnormal
Check/ ReplaceQ402
Check/ ReplaceT401
Check/ ReplaceQ401
Check Q402collector waveform
Check/ Replace IC501
NO
OK
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 15 -
4) No Picture/ No Sound
Is any OSD displayed?
OK
NO
NO
OK
OK
NO NO
OK
OK
NO
OK
OK
OK
P20A (R, G, B out ofIC501)
P20A (R, G, B out ofIC501)
Replace IC501
C h e c k p i n 7 , 8 S C L ,SDA
Check IC12(EEPROM)& SCL, SDA, Line
C h e c k p i n 3 R e s e tVoltage
Check IC501 pin 83,84, 85 (R, G, B out)
Check SMPS TransSecondary Voltage
Go to No sound/picture OK
Check the waveformpin73(H-out)
Check IC501 pin 83,84, 85 (R, G, B out)
Check receiving system in MENU& execute Auto - Program
Does the auto - Programoperate properly
Store on manual -program MENU
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 16 -
2. AV STEREO/ MONO MODEL
Select correct system in menu
OK
OK
OKOK
NO
NO
Does the auto - Programoperate properly
Check TU101 Tuner
Check the voltage of pin3, 9,16, 43, 86,88,90 of IC501
Check the waveform atpin57, 58 of IC501
OK
Check the signal line of SPK-N,PCheck the waveform atpin4, 12, of IC601
NO
NO
OK
Check pin5 (mute) of IC501Check the waveform atpin6 of IC601
OK
NO
NO
Check the connection of AVequipment
AV
OK
OK
Check the connection of sideor Front AV Board P201A
Check the voltage atpin5, 7, of IC601
Check/ ReplaceR823, D826
Correct the Board
Check the waveform atpin8, 9, 11, 12 of IC601
Replace IC601
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 17 -
PRINTED CIRCUIT BOARDMAIN
Copyright2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 18 -
POWER
CONTROL
LED
SIDE AV PIP (Option)
Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
BLOCK DIAGRAM
- 19 -Copyright 2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
- 20 -
EXPLODED VIEW
105
120
170150
400
913
174
590
520
570
943
611
530
310
311
600
Many electrical and mechanical parts in this chassis have special safety-related characteristics.Theseparts are identified by in the Schematic Diagram and EXPLODED VIEW.It is essential that these special safety parts should be replaced with the same components asrecommended in this manual to prevent X-RADIATION,Shock, Fire, or other Hazards.Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
112
320330
331540
300
Copyright2008 LG Electronics.Inc. All right reserved.Only for training and service purposes.
LGE Internal Use Only
(2008.03.12)
SVC. SHEET : EBY42399901-S
#EV#