Инструкции По Обслуживанию для Panasonic la15 tc-l42e30
15
7 Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
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 con-
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 con-
trol for more than 3 seconds.
7.1.2.
Exit
Disconnect the AC cord from wall outlet.
7.1.3.
Screen display
7.1.4.
Check Point
Confirm the following parts if NG was displayed.
DISPLAY
Check Ref. No.
Description
Check Point
PEAKS
IC8000
PEAKS
A-Board
TUN
TU4800B
TUNER
A-Board
AVSW
IC3001
AV SWITCH
A-Board
STBY
IC8000
PEAKS (STM)
A-Board
MEM1
IC8902
EEPROM (PEAKS)
A-Board
MEM2
IC8901
EEPROM (STM)
A-Board
ZWEI
ZWEI2
LCD PANEL
ID
ID