15
6 Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
6.1.
Check of the IIC bus lines
6.1.1.
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-
trol for more than 3 seconds.
6.1.2.
Exit
Disconnect the AC cord from wall outlet.
6.1.3.
Screen display
6.1.4.
Check Point
Confirm the following parts if NG was displayed.
DISPLAY
Check Ref. No.
Description
Check Point
DTVSOC
IC8001
Nile-TCON
A-Board
SYSMPU
IC8001
MPU (Nile-TCON)
A-Board
TUN
TU8302
TUNER
A-Board
MEM1
IC8503
EEPROM (Nile-TCON)
A-Board
MEM2
IC8004
EEPROM (SYSMPU)
A-Board
AMP
IC2106
AUDIO AMP
A-Board
ZWEI2
IC9006
ZWEI2
TC-Board
EPOP
Содержание LA14
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