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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.
H14TUN
H90STBY
H92MEM1
H91MEM2
H17LAN
H96ID
H97ID2
H45BT
H42WiFi
H21DSP
H52CAMERA
H36GCX
H37GCX2
H80HDMISW1 IC3603
H81HDMISW2 IC1501
H39FP4K
H82DP
H83HEVC
DISPLAY
Check Ref. No.
TU6706
IC8000
IC8900
IC8901
IC8600
IC8000
IC8000
IC4900
IC9500
IC9600
IC1500
IC3500
IC6000
Description
TUNER
STM(Peaks-Pro4)
NAND FLASH
STM EEPROM
LAN
ID
ID2
BLUETOOTH
WiFi
AUDIO AMP
CAMERA
GCX1-MASTER
GCX3-SLAVE
HDMI IC SWITCH MAIN
HDMI IC SWITCH SUB
FPGA
DP-HDMI
HEVC
15
Check Point
A-Board
A-Board
A-Board
A-Board
A-Board
A-Board
A-Board
A-Board/ BT Dongle
A-Board/ WiFi Dongle
A-Board
A-Board/ CAMERA
FR-Board
FR-Board
A-Board
A-Board
A-Board
A-Board
HE-Board
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