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Standard Repair Process Detail Technical Manual
symptom
Content
Copyright ⓒ 2015 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
Check the DC Voltage.
Established
date
Revised
date
1
PWR ON
3
P_DIM #1
5
3.5V
7
3.5V
9
GND
11
12V
13
12V
15
12V
17
GND
19
24V
21
24V
23
GND
A18
<UF83,UF77>
2
DVR_ON
4
PDIM #2
6
GND
8
3.5V
10
GND
12
12V
14
12V
16
GND
18
24V
20
24V
22
GND
24
NC
LGE Internal Use Only
A18
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