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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