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Standard Repair Process Detail Technical Manual
LCD TV
<XXLM9600>
ALEF LED
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
B. Power error _No power
symptom
Content
Checking method when power is ON
Established
Revised
Check "power on" pin is high
24 Pin
(Power Board ↔ Main Board) -
SMAW200-H24S (YEONHO)
1
Power on
20V (24V)
3
5
GND
7
GND
3.5V
9
11
3.5V
13
GND
15
GND
17
12V
19
12V
21
12V
23
N.C
(only Lamp SCANNING Model
: PWM Dim #2)
A19
2011. 12 .14
date
date
공통
2
20V (24V)
20V (24V)
4
6
GND
8
GND
3.5V
10
12
3.5V
GND
14
N.C
16
(Only LPB : V-sync)
Inverter On/off
18
20
N.C
(LPB, Lamp : A-dim)
PWM Dim #1
22
24
Error-out
A19
LGE Internal Use Only
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