LCD TV SERVICE MANUAL - diagramas.diagram...

More documents

Recommendations

Info

1. No power (1) Symptom 1) It is not discharged minutely from module. 2) Light does not come into the front LED. (2) Check process Is the power cord plugged in? Yes Are the line filter and PSU connected? Yes Is the fuse of PSU normal? (F101) Yes Is it connected that PSU and P1100 in Main B/D? Yes Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes TROUBLESHOOTING No No No No After all cables connect is removed to PSU, the AC voltage marking is authorized on manual. When ST-BY 5V is not operated. replace PSU. - 14 - Plug in the power cord. Connect the cable.(SC100) Replace the fuse. Connect a cable P1100. LGE Internal Use Only
2. No Raster (1) Symptom 1) No OSD and image occur at screen. 2) It maintains the condition where the front LED is green. (2) Check process Does minute discharge at Module? Yes Is the link cable normal? Yes Is the IC801’s output normal? 3. Unusual display from RF mode Is video output of the Tuner normal? (Check TU500_Pin13) Block A Yes Is the LVDS Cable connected? well Yes Change the IC(IC801) Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes No Is the inverter / VaVs on? No No No Yes Check the <strong>LCD</strong> Module Reconnect Panel line cable. (HD : P403, FHD : P402) Replace the VSC. No Is the input voltage normal?(Check Pin3) Yes No No Check the power. Cable inserts well. - 15 - Is output the normality Low/High voltage except Stand-by 5V? Is the I2C communication normal? (Check Pin9, Pin10) No Check the Tuner. Replace the Power board. LGE Internal Use Only
Page 1 and 2: LCD TV SERVICE MANUAL CHASSIS : LP8
Page 3 and 4: Copyright © 2008 LG Electronics. I
Page 5 and 6: IC Remove/Replacement Some chassis
Page 7 and 8: 5. Model Specification Item Market
Page 9 and 10: 1. Application Range This spec. she
Page 11 and 12: 6. EDID (The Extended Display Ident
Page 13: 8. DDC command protocol 8-1. Signal
Page 17 and 18: 7. Unusual display from component 1
Page 19 and 20: TUNER_I2C CVBS IN RF (Tuner) DDR ME
Page 21 and 22: EAX40043808 MSTAR LP81A JK101 PPJ20
Page 23 and 24: EAX40043808 MSTAR LP81A HPD_MST_2 H
Page 25 and 26: EAX40043808 MSTAR LP81A 21 TU500 TA
Page 27 and 28: EAX40043808 MSTAR LP81A JK700 12505
Page 29 and 30: EAX40043807 MSTAR LP81A #9.DDR MADR
Page 31 and 32: EAX40043807 MSTAR LP81A PANEL OPTIO

LCD TV SERVICE MANUAL - diagramas.diagram...

Create successful ePaper yourself

Delete template?

Save as template?