LG OLED77B3 Series - B. Power error_No power

Standard Repair Process Detail Technical Manual
P201
P251,P252
Power To Main B’d
Power To Module
P202
77B3
Check the DC 12VT line for ST-BY Voltage
(ST-BY : 7.8V, Normal : 12V)
A9
Error symptom
Content
Established
date
Revised
date
B. Power error _No power
Check power input voltage and ST-BY 3.5V
A9
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