LG 77EG9700 Service Manual page 134

Standard Repair Process Detail Technical Manual
symptom
OLED TV
Content
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
B. Power error _No power
Check power input voltage and ST-BY 3.5V
Established
date
Revised
date
Check the DC 24V, 12V, 3.5V.
24 Pin (Power Board ↔ Main Board)
1
Power on
3 DPC_CTL
5 3.5V
7 3.5V
9 GND
11 12V
13 12V
15 12V
17 GND
19 24V
21
24V
22 GND
A18
2014.02.05
A18
2
DRV ON (INT CTL)
4 AC_DET
6 GND
8 3.5V
10 GND
12 12V
14 12V
16 GND
18 24V
20 24V
22
24V
24 GND
LGE Internal Use Only