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LG OLED55B8STB

LG OLED55B8STB
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`16Y/`17Y LED(UH85/UH93) Power Board Diagnostic method
4
1
3
2
Check power board voltage.
Fix the LCD MODEL switch to 24V.(Smart JIG)
Disconnect the Main Board 28Pin Power Cable connector.
Connect the 28Pin Power Cable connector
to the Muitl Gender JIG 28Pin connector
When the OK LED(24V,12V) turns on, Power Board is normal.
When the NG LED turns on, the Power Board
can be judged as defective.
A21 (16/19)
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