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Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Error
A. Video error_No video/ Audio
Power Board voltage measuring method
Check the 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
A4
Established
2014. 01 .20
date
Revised
date
SMAW200-H24S5
2
Inverter On
4
6
8
10
12
14
16
18
20
22
L/DIM0_VS
24
L/DIM0_SCLK
A4
PWM#1
3.5V
PWM#2
24V
GND
12V
24V
GND
GND
LGE Internal Use Only
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