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Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 3.5V
B. Power error _No power
A12
Established
date
Revised
date
Error
symptom
Content
LCD TV
Check the DC 24V, 12V, 3.5V.
18 Pin (Power Board ↔ Main Board) - Common
1
Power on
2
DRV ON
3
3.5V
4
PDIM#1
5
3.5V
6
PDIM#2
7
GND
8
GND
9
24V
10
24V
11
GND
12
GND
13 12V 14 12V
15 12V 16
N.C
17
GND
18
GND
Edge LED
2013. 01 .09