LG OLED77G3 Series - Page 65

Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A18
Error
symptom
Content
Check power input voltage and ST-BY 3.5V
B. Power error _No power
TV
A9
Standard Repair Process Detail Technical Manual
B. Power error_ No power
Error symptom
Content A9
Check DC 12VM (ST-BY : 7.8V, Normal : 12V)
Power To Main B’d
(P201)
Power To T-Con
(P202)
Power To Module
(P251)
GND
N/C
12VT
12VT
12VT
12VT
12VT
12VT
GND
GND
GND
GND
GND
GND
24VD
24VD
24VD
24VD
24VD
24VD
24VD
24VD
GND
GND
GND
GND
GND
GND
GND
P201
P202
SK100
P251
P251
Power To Module
(P252)
24VD
24VD
24VD
24VD
24VD
24VD
24VD
24VD
GND
GND
GND
GND
GND
GND
GND
Established
date
Revised
date
Check power output voltage and ST-BY Voltage
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