37 / 88
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A5
Established
date
Revised
date
Error
symptom
Content
LCD TV
Check the DC 24V, 12V, 3.5V.
24 Pin (Power Board ↔ Main Board)
SMAW200-H24S
1
Power on
2
Inverter On/off
3
3.5V
4
PWM Dim #1
5
3.5V
6
PWM Dim #2
7
GND
8
GND
9
24V
10
24V
11 GND 12 GND
13 12V 14 12V
15 12V 16
24V
17 GND 18 GND
19 GND 20 GND
21 GND 22
L/DIMO_VS
23 L/DIM0_MOSI 24 L/DIM0_SCLK
2012. 12 .06
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
To Next Page
Loading...
