Panasonic TC-17LA1 Service Manual

Also see for TC17LA1 - 17" LCD COLOR TV: Operating instructions Operating instructions

Panasonic TC-17LA1 Service Manual Manual pdf 5 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 [SLEEP] 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 display4.3. Display phenomenon and treatment methodDisplay symbol Phenomenon/condition Treatment methodH10 No output of video and audio. Replace tuner (TNR001A (B-BOARD)).H21 No audio output. Surround function not effective. Replace IC2300 (AP-BOARD).F30 No video and audio output. Input switching disabled. Replace IC3000 (AP-BOARD).H34 Black and white stripes pattern. Enhanced back light. Replace IC4003 (DG-BOARD).H35 No video Replace IC6400 (DG-BOARD).H36 No video Replace IC6300 (DG-BOARD).H90 Power interrupted with self-check. Replace IC1002 (DG-BOARD).* Any button operation or switching off the power will reset the self-check data.5TC-17LA1 / TC-20LA1