Panasonic TC-19LX50 Service Manual

Also see for TC 19LX50: Operating instructions Operating instructions

Contents

Panasonic TC-19LX50 Service Manual Manual pdf 6 page image

5 Troubleshooting Guide5.1. Self-check functionWhen phenomena like "the power fails from time to time" or "the video/audio fails from time to time" can not be confirmed at thetime of servicing, the self-check function can be used to confirm the occurrence and to limit the scope for the defective circuits.Also,when "the power fails from time to time", display on the screen can be used to confirm the occurrence and to limit the scope forthe defective circuits.Any programmed channels, channels caption data and some other user defined settings will be erased and return to factory setting.5.1.1. How to access5.1.1.1. AccessProduce TV reception screen and, while pressing [VOLUME-] button on the main unit, press [SLEEP] button on the remotecontroller unit simultaneously.5.1.1.2. ExitWhen one of the buttons for channel selection etc. is pressed, the display returns to the normal screen.5.1.2. Screen displayDisplay Ref No. Description P.C.BUV TU001A Tuner A-BoardSND IC2301 Sound Control A-BoardAVSW IC3007 AV Switch A-BoardGC3FM IC4023 Global Core Main A-BoardGC4U IC4016 Global Core A-BoardMEM IC1104 EEPROM A-Board7TC-19LX50 / TC-23LX50 / TC-19LE50 / TC-23LE50