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Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
Copyright © 2013 LG Electronics. Inc. All rights 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 24V, 12V, 3.5V.
24 Pin
(Power Board ↔ Main Board)
1
Power on
3
3.5V
5
3.5V
7
GND
9
24V
11
GND
13
12V
15
12V
17
GND
19
GND
21
GND
23
L/DIM0_MOSI
A18
Established
2013.01.31
date
Revised
date
2
INV ON
4
PDIM#1
6
PDIM#2
8
GND
10
24V
12
GND
14
12V
16
24V
18
GND
20
GND
22
L/DIM0_VS
24
L/DIM0_SCLK
A18
LGE Internal Use Only
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