22
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 Chap.5)
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote con-
trol 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.
Description
Check P.C.B.
TUN
TU6775
TUNER
A-BOARD
STBY
IC8000
PEAKS-LDA3 (STM)
A-BOARD
MEM1
IC8902
PEAKS EEPROM
A-BOARD
MEM2
IC8901
STM EEPROM
A-BOARD
AVSW
IC3001
AUDIO/VIDEO SW
A-BOARD
TEMP
IC2001
TEMP SENSOR
A-BOARD
LAN
IC8601
ETHERPHY
A-BOARD
FE
IC6700
OFDM
A-BOARD
SAT-TU
TU6775
SAT TUNER
A-BOARD
ID
A-BOARD
ID2
A-BOARD
LP1
IC9300
LP1
A-BOARD
LP1 2ND
IC9500
LP1 2ND
A-BOARD
HDMI-SW
IC4700
HDMI SW
A-BOARD
IRDRV
IC5901
IR LED DRIVER
A-BOARD
Содержание Viera TX-P55VT30B
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Страница 52: ...Model No TX P55VT30B Y Schematic Diagram Note S 1...
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Страница 77: ...Model No TX P55VT30B Y SC Board 1 4 S 26...
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Страница 83: ...Model No TX P55VT30B Y A Board Foil side S 32...
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