Read LG 42LW6500-JA (CHASSIS:LE13E) Service Manual online
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A4
Established
date
Revised
date
Error
symptom
Content
LCD TV
A4-1
Check the DC 20V/24V, 12V, 3.5V.
Edge LED 42”/47”
2011. 1 .19
Error-out
24
NC
(Lamp
SCANNING 모델:
PWM Dim #2)
SCANNING 모델:
PWM Dim #2)
23
PWM Dim #1
22
12V
21
Lamp : A-dim
LED : NC
20
12V
19
Inverter ON
18
12V
17
NC
16
GND
15
GND
14
GND
13
3.5V
12
3.5V
11
3.5V
10
3.5V
9
GND
8
GND
7
GND
6
GND
5
20V (24V)
4
20V (24V)
3
20V (24V)
2
Power on
1
24pin
Pin layout
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