LCD TV SERVICE MANUAL - diagramas.diagram...

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13. In case of becomes unusual display from RF mode(Sub) Is normal the I2C communication ? (Check Pin5, Pin4) YES Is normal the Input voltage ? YES (Check Pin8, Pin6) Is the Tuner Cable connected well? NO Is normal video output of the Tuner? (Check TU201_Pin14) NO NO NO Change the Tuner Check the power ( L1103) Cable inserts well. YES B Is normal the I2C communication ? (Check R309, R310) YES Is normal the Input voltage ? YES (Check L308) Is normal video output of CXA2069Q? (Check R312, In case of S-Video check R312, R314) Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes NO NO - 20 - Change the IC(IC300) Check the power ( Check L1004) YES NO Cable inserts well Is the LVDS Cable connected well? YES Change 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 B LGE Internal Use Only
15. In case of becomes unusual display from component1 mode(main/sub) NO Check the input source Is normal video input of the JK102? (Check L126, L127, L128) YES Change IC(IC700) 16. In case of becomes unusual display from component 2 mode(main/sub) Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Check the input source NO Is normal video input of the JK103? (Check L129, L130, L131) YES - 21 - Change IC(IC700) 17. In case of becomes unusual display from RGB mode(main/sub) Check the input source NO Is normal R, G, B input and H,V sync of the JK500? (Check R509, R511, R512 R513, R515) YES Change IC(IC700) LGE Internal Use Only
Page 1 and 2: LCD TV SERVICE MANUAL CHASSIS : LP7
Page 3 and 4: Copyright © 2007 LG Electronics. I
Page 5 and 6: IC Remove/Replacement Some chassis
Page 7 and 8: 5. General Module Specification No
Page 9 and 10: 10. HDMI input ( DTV ) No Resolutio
Page 11 and 12: 6. EDID Caution * Use the proper si
Page 13 and 14: 8. White Balance * Caution : Before
Page 15 and 16: 2. Protection mode Symptom 1) After
Page 17 and 18: 4. In case of becomes unusual displ
Page 19: 8. In the case of becomes unusual d
Page 23 and 24: 19. HDMI mode Yes Down load EDID da
Page 25 and 26: BLOCK DIAGRAM Copyright © 2007 LG
Page 27 and 28: Copyright © 2007 LG Electronics. I
Page 29: P/NO : MFL39106202 Aug., 2007 Print

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