Panasonic TX-23LX50M Service Manual

Also see for TX-23LX50A: Operating instructions

Panasonic TX-23LX50M Service Manual Manual pdf 6 page image

4 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.4.1. How to access4.1.1. AccessProduce TV reception screen and, while pressing [VOLUME-] button on the main unit, press [OFF TIMER] button on the remotecontroller unit simultaneously.4.1.2. ExitWhen one of the buttons for channel selection etc. is pressed, the display returns to the normal screen.4.2. Screen displayDisplay Ref No. Description P.C.BE2 IC1101 EEPROM A-BoardDPS IC1700 LCD DRIVER A-BoardVSP IC1500 Video Signal Processor A-BoardTun TU100 Tuner A-BoardMSP IC2501 Multi Sound Processor A-Board6TX-23LX50M / TX-23LX50A / TX-23LX50X