Troubleshooting Guide; Check Of The Iic Bus Lines - Panasonic TH-P50X50D 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. Screen display
7.1.3. Check Point
Confirm the following parts if NG was displayed.
7.1.4. Exit
Disconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.
DISPLAY Check Ref. No.
TUN TU4801
STBY IC8000
MEM1 IC8902
MEM2 IC8901
AVSW IC3001
PD5 IC9300
TEMP IC2001
LAN IC8601
Description
TUNER A-BOARD
PEAKS-SLD2(STM) A-BOARD
PEAKS EEPROM A-BOARD
STM EEPROM A-BOARD
AVSW A-BOARD
PD5L A-BOARD
TEMP SENSOR A-BOARD
ETHERPHY A-BOARD
17
Check Point