Troubleshooting Guide; Check Of The Iic Bus Lines - Panasonic TC-L50E60 Service Manual

7 Troubleshooting Guide

Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
7.1.

Check of the IIC bus lines

7.1.1. How to access
7.1.1.1. Self-check indication only:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control
for more than 3 seconds.
7.1.1.2. Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote
control for more than 3 seconds.
7.1.2. Exit
Disconnect the AC cord from wall outlet or press the [POWER] button on the main unit for 3 seconds to turn off and then turn on
automatically.
7.1.3. Screen display
7.1.4. Check Point
Confirm the following parts if NG was displayed.
DISPLAY Check Ref. No.
H14TUN IC6750
H90STBY IC8000
H91MEM2 IC8900
H17LAN
H96ID
H97ID2
H42WiFi
Description Check Point
TUNER A-Board
STM A-Board
NAND FLASH A-Board
LAN LAN
ID
ID2
WiFi WiFi Dongle
15