Power On; 3.5V; Gnd; Pin (Power Board ↔ Main Board) - LG 32LF550B Service Manual
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Also See for 32LF550B:
- Owner's manual (73 pages) ,
- Manual (45 pages) ,
- Safety and reference (45 pages)
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Standard Repair Process Detail Technical Manual
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Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
A. Video error_No video/ Audio
Power Board voltage measuring method
UHD
FHD/HD
Established
date
Revised
date
Check DC 3.5V, 12V, 24V
18 Pin (Power Board ↔ Main Board)
SMAW200-H18S5
1
Power on
3
3.5V
5
3.5V
7
GND
9
24V
11
GND
13
12V
15
12V
17
GND
12 Pin (Power Board ↔ Main Board)
SMAW200-H18S5
1
Power on
3
GND
5
13.2V
7
13.2V
9
GND
11
DRV_ON
A4
2
DRV ON
4
PDIM#1
6
3.5V
8
PDIM#2
10
24V
12
GND
14
12V
16
NC
18
GND
2
PDIM#2
4
13.2V
6
13.2V
8
13.2V
10
GND
12
PDIM#1
LGE Internal Use Only
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- Power on
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