LG 86UH9500 Service Manual page 132

Standard Repair Process Detail Technical Manual
symptom
Content
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Only for training and service purposes
Error
B. Power error _No power
Check power input voltage
Established
date
Revised
date
Check the DC 12V(D), 20V(A)
24Pin map (PSU)
1 20V
3 20V
5 GND
7 12V
9 GND
11 GND
13 PWR-On
15 GND
17 12V
19 20V
21 GND
23 DRV-ON
A18
A18
2 20V
4 20V
6 GND
8 12V
10 GND
12 GND
14 P-DIM2
16 12V
18 12V
20 20V
22 GND
24 P-DIM1
LGE Internal Use Only