Page 1
Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD MONITOR TV SERVICE MANUAL CHASSIS : LD93D MODEL : M197WDP M197WDP-PZL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ...............17 TROUBLE SHOOTING ................21 BLOCK DIAGRAM...................29 EXPLODED VIEW .................. 30 SVC. SHEET ....................- 2 - Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation. Copyright LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4
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 Copyright LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
Page 5
CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
2.5 The receiver must be operated for about 5 minutes prior to the adjustment. 4. Module Specification 4.1 M197WDP-PZL : LGD / LM185WH1-TLD2 ( P/N : EAJ60795101 / P6E, ZBD) REPLACEMENT MODULE : LGD / LM185WH1-TLD1 ( P/N : EAJ60796501 / P6, ZBD) Item...
Page 7
4.2 M197WDP-PZL : AUO / M185XW01-V2 ( P/N : EAJ60796501/ ZBD) Item Specification Unit Remark Type TFT Color LCD Module Diagonal Size 18.51 inches(470.1mm) diagonal Active Display area 409.8(H) 230.4(V) Outline Dimension 430.4(H) x 254.6(V) x 13.0(D) Typ. (Without Inverter)
Page 8
Antenna, AV1, AV2, Component, RGB, DVI, HDMI USB (1EA) Picture, Music Software Update + Picture + Music RS-232C (1EA) Commercial Mode Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9
Humidity : 20 % ~ 80 % Storage Environment Temp : -10°C~60°C non condensing Humidity : 5 % ~ 90 % non condensing Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10
0.292 Full white(100IRE) 0.603 Backlight 100 Blue 0.143 0.070 Response Time(ms) Rise Time Condition : DVI or RGB Standard, Backlight100 Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
Page 11
C: Interval between top of active area and bezel D: Interval between bottom of active area and bezel Active Area Bezel Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12
HDTV 1080I 50Hz, 1920*1080 56.25 148.5 HDTV 1080P 1920*1080 67.432 59.94 148.350 HDTV 1080P 1920*1080 67.5 60.00 148.5 HDTV 1080P Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13
47.776 59.90 79.5 1280*800 49.306 59.91 71.0 1360*768 47.712 60.015 85.5 10. RGB EDID Data - M197WDP(Product ID : 19393) Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14
79.5 1280*800 49.306 59.91 71.0 1360*768 47.712 60.015 85.5 12. DVI EDID Data - M197WDP(Product ID : 19394) **** **** Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 15
1920*1080 67.43 / 67.5 59.94 / 60 148.35/148.50 HDTV 1080P 14. HDMI1/2 EDID Data - M197WDP (Product ID : 19395) Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 16
Swivel Force *Appearance Gap spec Appearance General Refer to Standard of LG(55)G1-1020 Front: 0.5 mm Back & Bottom : 1.0 m Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
If display "Can’t ", Check connect computer, jig, and set. Please Check the Speed : To use speed between from 200KHz to 400KHz Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
Page 18
2. Select "Tool Option 1" and Push "OK" button 3. Punch in the number. (Each model has their number.) 4. Completed selecting Tool option Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
Page 19
5. DVI (PC : 1920x1080 @ 60Hz) 6. HDMI 6. PC Audio In * Display and Sound check is executed by Remote controller. Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20
- Write EDID DATA to EEPROM(24C02) by using DDC2B protocol. - Check whether written EDID data is correct or not Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
Check IC1107 Output Recheck Voltage Level (5V) Check X101 Clock Replace X101 12MHz Replace IC 105 Flash Memory Wave form of X101 Copyright LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
Page 22
#13, #14, #25, #26 Check LVDS Cable for damage or open Replace Cable conductors. Check LCD Module Control board (Refer to Module CAS) Copyright LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
Page 23
Place IC100 has problems #13, #14, #25, #26 Check LCD Module Control board Refer to Module CAS Wave form of X500 Copyright LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
Page 24
Wave form of Comp Pb Wave form of Comp Pr Wave form of C123 Wave form of C121 Wave form of C122 Copyright LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
Page 25
Wave form of R730(Vsync) Wave form of R729(Hsync) Wave form of R158/ C115 Wave form of R160/ C117 Wave form of R162/ C119 Copyright LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
Page 26
C137, C134, C135 C137, C134, C135 IC101 has problem Wave form of R611(CVBS) Wave form of R625(S-video) Wave form of R626(S-video) Copyright LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
Page 27
Check EDID NVRAM(IC902, IC903) Replace IC901/ IC902 Power 12C Signal(#5, #6) Check HDCP Key NVRAM(IC102) Replace IC102 Power 12C Signal(#5, #6) Replace Mstar(IC100) Copyright LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
Page 28
8. All Source Audio Trouble Shooting Copyright LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
BLOCK DIAGRAM PCM_DATA PCM_CD_ON TS_Parallel TS_Serial PCM_ADD Composite Composite SCART SCART Component Component Copyright LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
Page 31
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 32
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 33
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 34
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 35
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 36
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 37
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 38
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 39
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 40
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 41
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 42
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 43
Copyright @2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 44
Sep., 2009 P/NO : MFL49414531 Printed in Korea...