Panasonic TXP50VT65B, Service Manual

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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.
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. Description Check Point
H14TUN TU6708 TUNER A-BOARD
H90STBY IC8000 PEAKS-PRO4 (STM) A-BOARD
H91MEM2 IC8900 NAND FLASH A-BOARD
H30AVSW IC3000 AV SW A-BOARD
H38PANEL PLASMA PANEL A-BOARD/PLASMA PANEL
H38PD6 IC9300 PD6H A-BOARD
H07TEMP IC2001 TEMP SENSOR A-BOARD
H17LAN IC8650 ETHERPHY A-BOARD
H00FE IC6800, 31 DEMODULATOR A-BOARD
H00SAT-TU TU6707 SAT-TUNER A-BOARD
H96ID ID A-BOARD
H97ID2 ID2 A-BOARD
H45BT BLUETOOTH A-BOARD/BLUETOOTH
H42WiFi WiFi A-BOARD/WiFi
H03FAN FAN A-BOARD/FAN
H21DSP IC4900 AUDIO AMP A-BOARD
H52CAMERA CAMERA A-BOARD/CAMERA