Troubleshooting Guide; Check Of The Iic Bus Lines - Panasonic TC-L47WT60 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
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.
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.
H14TUN
H90STBY
H91MEM2
H17LAN
H96ID
H97ID2
H45BT
H42WiFi
H21DSP
H52CAMERA
DISPLAY Check Ref. No.
TU6706
IC8000
IC8900
IC8600, JK8650A
IC8458
IC8457/A20
IC4900
IC8456
Description
TUNER A-Board
STM A-Board
NAND FLASH A-Board
LAN A-Board
ID
ID2
Bluetooth A-Board/Bluetooth Dongle
WiFi A-Board/WiFi Dongle
DIGITAL SOUND PRO A-Board
CAMERA A-Board/Camera
15
Check Point