LG 42LV3500 Service Manual page 94
Hide thumbs
Also See for 42LV3500:
- Service manual (66 pages) ,
- Specifications (2 pages) ,
- Owner's manual (184 pages)
Table of Contents
Advertisement
Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
For '11 models, there is no voltage out for st-by purpose.
When st-by, only 3.5V is normally on.
Edge LED PSU without LED Driver
Lamp PSU without inverter
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 3.5V
Established
date
Revised
date
Check the 3.5V when st-by
A18
2011. 2 .07
(Power Board ↔ Main Board)
24 Pin
FW20020-24SB (FOOSUNG)
1
Power on
2
3
20V (24V)
4
5
GND
6
7
GND
8
9
3.5V
10
11
3.5V
12
13
GND
14
15
GND
16
17
12V
18
19
12V
20
21
12V
22
23
N.C
24
A18
20V (24V)
20V (24V)
GND
GND
3.5V
3.5V
GND
GND
Inverter On/off
Lamp : A-Dim
PWM Dim #1
Error-out
LGE Internal Use Only
- Quick Links:
- Service Manual
- Specification
Hide quick links:
Advertisement
Table of Contents
