Service Manual
Page 1
... MAJOR PARTS 2-1 CHAPTER 3. Be sure to replace these parts with " " are subject to the LC32/37D42U (No. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE 4-1 CHAPTER 5. This document has been published to those specified should be used . CONTENTS OUTLINE AND MODIFIED PARTS LIST OUTLINE.... PRINTED WIRING BOARD [1] AV TERMINAL UNIT PRINTED WIRING BOARD 6-1 CHAPTER 7. TopPage SUPPLEMENT ATTACHED LC-52D43U SERVICE MANUAL No. S87P2LC52D43U LCD COLOR TELEVISION MODEL LC-52D43U In the interests of the set should be restored to its original condition and only parts identical...
... MAJOR PARTS 2-1 CHAPTER 3. Be sure to replace these parts with " " are subject to the LC32/37D42U (No. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE 4-1 CHAPTER 5. This document has been published to those specified should be used . CONTENTS OUTLINE AND MODIFIED PARTS LIST OUTLINE.... PRINTED WIRING BOARD [1] AV TERMINAL UNIT PRINTED WIRING BOARD 6-1 CHAPTER 7. TopPage SUPPLEMENT ATTACHED LC-52D43U SERVICE MANUAL No. S87P2LC52D43U LCD COLOR TELEVISION MODEL LC-52D43U In the interests of the set should be restored to its original condition and only parts identical...
Service Manual
Page 11
... E202 E203 Possible Solution • Check the antenna cable. Set it in high and low temperature environments . Appendix Troubleshooting Problem • No power • Unit cannot be operated. • Remote control unit does not operate. This does not affect the... blocking vent or clean. • No picture • Is connection to the TV setting position. • Are batteries inserted with polarity ( , ) aligned? • Are batteries worn out? (Replace with new batteries.) LC-52D43U • Picture is not a malfunction, and the unit will recover when the temperature...
... E202 E203 Possible Solution • Check the antenna cable. Set it in high and low temperature environments . Appendix Troubleshooting Problem • No power • Unit cannot be operated. • Remote control unit does not operate. This does not affect the... blocking vent or clean. • No picture • Is connection to the TV setting position. • Are batteries inserted with polarity ( , ) aligned? • Are batteries worn out? (Replace with new batteries.) LC-52D43U • Picture is not a malfunction, and the unit will recover when the temperature...
Service Manual
Page 26
...NO Check between pins 29 and 30 of IC1401 and pins 51 and 52 of IC1404 (CODEC) normal? YES Are audio outputs of pins 38 and 39 of IC1404 (CODEC) normal? TROUBLESHOOTING TABLEService Manual [1] TROUBLESHOOTING TABLE No audio output during UHF/VHF reception Is SIF output from pins...and 52 of IC1404 normal? NO Check IC1404 and peripheral circuits. YES Are audio signals from pins 29 and 30 of IC1401 to pins 3 and 5 of IC1408 (Buffer_AMP) normal? NO Check the tuner and peripheral circuits. YES Are audio output pins 7 and 1 of IC2701(STEREO_AMP) normal? LC-52D43U LCC5H2DA43PU...
...NO Check between pins 29 and 30 of IC1401 and pins 51 and 52 of IC1404 (CODEC) normal? YES Are audio outputs of pins 38 and 39 of IC1404 (CODEC) normal? TROUBLESHOOTING TABLEService Manual [1] TROUBLESHOOTING TABLE No audio output during UHF/VHF reception Is SIF output from pins...and 52 of IC1404 normal? NO Check IC1404 and peripheral circuits. YES Are audio signals from pins 29 and 30 of IC1401 to pins 3 and 5 of IC1408 (Buffer_AMP) normal? NO Check the tuner and peripheral circuits. YES Are audio output pins 7 and 1 of IC2701(STEREO_AMP) normal? LC-52D43U LCC5H2DA43PU...