LCD TV SERVICE MANUAL - diagramas.diagram...

More documents

Recommendations

Info

13. In case of becomes unusual display from RF mode(Sub)Is normal video outputof the Tuner?(Check TU201_Pin14)NOIs the Tuner Cableconnected well?YES Is normal the Input voltage ? YES(Check Pin8, Pin6)Is normal the I2C communication ?(Check Pin5, Pin4)NONO NOBYESCable inserts well.Check the power( L1103)Change the TunerIs normal videooutput of CXA2069Q?(Check R312, In case of S-Videocheck R312, R314)YES Is normal the Input voltage ? YES(Check L308)Is normal theI2C communication ?(Check R309, R310)NO NOYESCheck the power( Check L1004)Change the IC(IC300)Is the LVDS Cableconnected well?NOCable inserts wellYESChange the IC(IC700)14. In case PIP doesn’t display from other modes(Sub)Same as the case of main except block A should be change to BCopyright © 2007 LG Electronics. Inc. All right reserved.Only for training and service purposes- 20 -LGE Internal Use Only
15. In case of becomes unusual display from component1 mode(main/sub)Is normal videoinput of the JK102?(Check L126, L127, L128)NOCheck the input sourceYESChange IC(IC700)16. In case of becomes unusual display from component 2 mode(main/sub)Is normal videoinput of the JK103?(Check L129, L130, L131)NOCheck the input sourceYESChange IC(IC700)17. In case of becomes unusual display from RGB mode(main/sub)Is normal R, G, B inputand H,V sync of the JK500?(Check R509, R511, R512R513, R515)NOCheck the input sourceYESChange IC(IC700)Copyright © 2007 LG Electronics. Inc. All right reserved.Only for training and service purposes- 21 -LGE Internal Use Only
Page 1: Internal Use Onlywebsite:http://biz
Page 4: CAUTION: Before servicing receivers
Page 8 and 9: 7. Component Video Input (Y, PB, PR
Page 10 and 11: 1. Application RangeThis spec. shee
Page 12 and 13: 7.2 Adjustment of Component.* Requi
Page 14 and 15: TROUBLESHOOTING1. No powerSymptom1)
Page 16 and 17: 3. No RasterSy mptom1) No OSD and i
Page 18 and 19: 5. In the case of becomes unusual d
Page 22 and 23: 18. No SoundSymptomLED is GreenScre
Page 24 and 25: 20.1 DVRSymptomLED is GreenDoesn’
Page 27 and 28: EXPLODED VIEW PARTS LISTNo. PART NO
Page 29 and 30: LOC. NO. PART NO. DESCRIPTION / SPE
Page 51 and 52: Copyright © 2007 LG Electronics. I
Page 53 and 54: Copyright © 2007 LG Electronics. I

LCD TV SERVICE MANUAL - diagramas.diagram...

Create successful ePaper yourself

Delete template?

Save as template?