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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:
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. 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.
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
H14TUN IC6750 TUNER A-Board
H90STBY IC8000 STM A-Board
H91MEM2 IC8900 NAND FLASH A-Board
H17LAN IC8600 LAN LAN/A-Board
H96ID ID A-Board
H97ID2 ID2 A-Board
H45BT Bluetooth BT Dongle
H42WiFi WiFi WiFi Dongle
H21DSP IC4900, 03 Digital Sound Process A-Board
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