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
A4
Check the DC 24V, 12V, 3.5V.
ALEF LED
2011. 12 .14
24 Pin (Power Board ↔ Main Board) - common
SMAW200-H24S (YEONHO)
1Power on 220V (24V)
320V (24V) 420V (24V)
5GND 6GND
7GND 8GND
93.5V 10 3.5V
11 3.5V 12 3.5V
13 GND 14 GND
15 GND 16 N.C
(Only LPB : V-sync)
17 12V 18 Inverter On/off
19 12V 20 N.C
(LPB, Lamp : A-dim)
21 12V 22 PWM Dim #1
23 N.C
(only Lamp SCANNING Model
: PWM Dim #2)
24 Error-out
Edge LED
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