Troubleshooting Guide; Check Of The Iic Bus Lines - Panasonic TX-P50VT65B 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:
Caution:
New key will be generated and previous TV programmes recorded in USB HDD will not be viewed. (See USB HDD
Recording)
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.
H14TUN
H90STBY
H91MEM2
H30AVSW
H38PANEL
H38PD6
H07TEMP
H17LAN
H00FE
H00SAT-TU
H96ID
H97ID2
H45BT
H42WiFi
H03FAN
H21DSP
H52CAMERA
7.1.4. 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.
DISPLAY Check Ref. No.
TU6708
IC8000
IC8900
IC3000
IC9300
IC2001
IC8650
IC6800, 31
TU6707
IC4900
Description
TUNER A-BOARD
PEAKS-PRO4 (STM) A-BOARD
NAND FLASH A-BOARD
AV SW A-BOARD
PLASMA PANEL A-BOARD/PLASMA PANEL
PD6H A-BOARD
TEMP SENSOR A-BOARD
ETHERPHY A-BOARD
DEMODULATOR A-BOARD
SAT-TUNER A-BOARD
ID A-BOARD
ID2 A-BOARD
BLUETOOTH A-BOARD/BLUETOOTH
WiFi A-BOARD/WiFi
FAN A-BOARD/FAN
AUDIO AMP A-BOARD
CAMERA A-BOARD/CAMERA
20
Check Point