Panasonic PT-50LCZ70 Service Manual

Also see for LIFI PT-50LCZ7: Operating instruction Operating instructions Service manual

Contents

No sound from built-in both L-CH andR-CH SpeakersReplace the OPT/TV UnitReplace the Rear Jack P.C.B.Replace the Rear Jack P.C.B.(All input are NG.)Check that there is an audio signal to the Audio OutTerminal from all input terminals.No sound from built-in L-CH Speaker onlyPress MENU key on the remote and select"Audio" in MENU screen. Then press "OK."Replace the L-CH Speaker.Does the "BALANCE" screen becomes center position?Set to the center position.Swap the Speaker Connectors to confirm the Speakerfailure.NOStill NGNOYESReplace the R-CH Speaker.Does the "BALANCE" screen becomes center position?Set to the center position.Swap the Speaker Connectorsto confirm the Speaker failure.NOStill NGNOYESNo sound from built-in R-CH Speaker onlyPress MENU key on the remote and select"Audio" in MENU screen. Then press "OK."(Only Audio1 OR Audio2input is NG.)(Only Tuner input is NG.)(Only Audio3 input is NG.)OKReplace the OPT/TV Unit or Power P.C.B.Replace the OPT/TV Unit.Replace the OPT/TV Unit.Replace the Rear Jack P.C.B. orFront Jack/Operation P.C.B.Replace the OPT/TV Unit orTuner P.C.B.(Only Component 1 ORComponent 2 input is NG.)PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ730