DOWNLOAD LG 42LV3710-TB / 42LV371Y-TB / 42LV3730-TD (CHASSIS:LB12B) Service Manual ↓ Size: 9.22 MB | Pages: 87 in PDF or view online for FREE

Model
42LV3710-TB 42LV371Y-TB 42LV3730-TD (CHASSIS:LB12B)
Pages
87
Size
9.22 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lv3710-tb-42lv371y-tb-42lv3730-td-chassis-lb12b.pdf
Date
PREV: LG 42LV3700-ZC / 42LV3701 / 42LV370S-ZC / 42LV375G-ZC / 42LV375S-ZC / 42LV375W-ZC (CHASSIS:LD12B) Service Manual

LG 42LV3710-TB / 42LV371Y-TB / 42LV3730-TD (CHASSIS:LB12B) Service Manual ▷ View online

Interconnection - 1
1
Main PCB
2
No exist
3
4
Soft Touch + IR Key PCB
1
2
3
4
5
Main / PSU cable 
Main / Module LVDS cable 51PIN 
Main / PSU (Inverter)
15pin IR/Touch Cable
(W/ Tube)
Speaker Cable
[PCBs]
[Cables]
47LV3730-TD
PSU
1
3
4
1
2
6
Module / PSU
3
4
5
6
Interconnection - 1
1
Main PCB
2
No exist
3
4
Soft Touch + IR Key PCB
1
2
3
4
5
Main / PSU cable 
Main / Module LVDS cable(51/41) 
Main / PSU (Inverter)
15pin IR/Touch Cable
(W/ Tube)
Speaker Cable
[PCBs]
[Cables]
55LV3730-TD
PSU
6
Module / PSU
1
3
4
1
2
3
4
5
6
Interconnection – sub PCB( LV37 Series )
Soft Touch 
IR Key PCB
To Main
1
SPK unit
3
Soft Touch + IR PCB
Connected by 
15 Pin Cable
Contents of LCD TV Standard Repair Process
No.
Error symptom (High category)
Error symptom (Mid category)
Page
Remarks
1
A. Video error
No video/Normal audio 
P-1
2 
No video/No audio
P-2
3
Video error, video lag/stop
P-3
4
Color error
P-4
5
Vertical/Horizontal bar, residual image, light 
spot, external device color error
P-5
6
B. Power error
No power
P-6
7
Off when on, off while viewing, power auto 
on/off
P-7
8
C. Audio error
No audio/Normal video  
P-8
9
Wrecked audio/discontinuation/noise
P-9
10
D. Function error
No response in remote controller, key error, 
recording error, memory error
P-10
11
Page of 87
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