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 (YEONHO)
1Power on 224V
324V 424V
5GND 6GND
7GND 8GND
93.5V 10 3.5V
11 3.5V 12 3.5V
13 GND 14 GND
15 GND 16 GND
17 12V 18 Inverter On/off
19 12V 20 Lamp : A-Dim
LED : N.C
21 12V 22 PWM Dim #1
23 GND/P_DIM2
Lamp SCANNING Model
: PWM Dim #2
24 Error-out
Edge LED
2010. 12 .14
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