LG 32LN49XX / 32LN4900 (CHASSIS:LB35B) Service Manual ▷ View online
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Vertical Block
Source TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Gate TAB IC Defect
Gate TAB IC Defect
Vertical Line
Source TAB IC Defect
Vertical Block
Source TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Horizontal line
Gate TAB IC Defect
Gate TAB IC Defect
Horizontal Block
Gate TAB IC Defect
Appendix : Exchange the Module (2)
Un-repairable Cases
In this case please exchange the module.
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Standard Repair Process Detail Technical Manual
Check front display LED
B. Power error _No power
A11
Established
date
Revised
date
Error
symptom
Content
LCD TV
ST-BY condition: Red
2013. 02.15
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Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 3.5V
B. Power error _No power
A12
Established
date
Revised
date
Error
symptom
Content
LCD TV
Check the DC 24V, 12V, 3.5V.
18 Pin
(Power Board ↔ Main Board) -
공통
1
Power on
2
DRV ON
3
3.5V
4
PDIM
5
3.5V
6
N/C
7
GND
8
GND
9
24V
10
24V
11
GND
12
GND
13
12V
14
12V
15
12V
16
N.C
17
GND
18
GND
Edge LED
2013. 02.15
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Standard Repair Process Detail Technical Manual
Checking method when power is ON
B. Power error _No power
A13
Established
date
Revised
date
Error
symptom
Content
LCD TV
Check the DC 24V, 12V, 3.5V.
18 Pin
(Power Board ↔ Main Board) -
Common
1
Power on
2
DRV ON
3
3.5V
4
PDIM
5
3.5V
6
N/C
7
GND
8
GND
9
24V
10
24V
11
GND
12
GND
13
12V
14
12V
15
12V
16
N.C
17
GND
18
GND
Edge LED
2013. 02.15
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