Advertisement
Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
For '10 models, there is no voltage out for st-by purpose.
When st-by, only 3.5V is normally on.
ALEF LED
Edge LED
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Error
B. Power error _No power
Check power input voltage and ST-BY 5V
Established
Revised
Check the DC 20V/24V, 12V, 3.5V.
(Power Board ↔ Main Board) -
24 Pin
SMAW200-H24S (YEONHO)
1
Power on
3
20V (24V)
5
GND
7
GND
9
3.5V
11
3.5V
13
GND
15
GND
17
12V
19
12V
21
12V
23
N.C
•
Lamp SCANNING Model
: PWM Dim #2
A18
2010. 12 .14
date
date
공통
2
20V (24V)
4
20V (24V)
6
GND
8
GND
10
3.5V
12
3.5V
14
GND
16
GND
18
Inverter On/off
20
Lamp : A-Dim
LED : N.C
22
PWM Dim #1
24
Error-out
A18
LGE Internal Use Only
Advertisement
