LG 22LV2500-ZA / 22LV250A-ZA / 22LV250N-ZA / 22LV250U-ZA / 22LV2520 / 22LV255C-ZA (CHASSIS:LD01S) Service Manual ▷ View online
20/22
Interconnection - 12
2
1
4
3
1
2
3
4
1
Main PCB
2
PSU (without inverter)
3
4
1
2
3
4
Main / PSU cable
Main / Module LVDS cable
SPK cable
[PCBs]
[Cables]
42LK450
LCD Module
5
5
Inverter
Inverter/PSU cable
(14pin)
(14pin)
5
5
Timing controller
Soft Touch Key/IR PCB
Soft Touch key/IR cable
21/22
Interconnection – sub PCB( LV**/LK450 Series )
SPK unit
Soft Touch Key/IR PCB
To Main
15pin Cable
22/22
Interconnection – sub PCB( LK430/LK530 Series )
IR/Sensor
Tact key
To Main
SPK unit
SPK unit
12pin 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
1
2
No video/No audio
2
3
Video error, video lag/stop
3
4
Color error
4
5
Vertical/Horizontal bar, residual image,
light spot, external device color error
light spot, external device color error
5
6
B. Power error
No power
6
7
Off when on, off while viewing, power auto
on/off
on/off
7
8
C. Audio error
No audio/Normal video
8
9
Wrecked audio/discontinuation/noise
9
10
D. Function error
No response in remote controller, key error,
recording error, memory error
recording error, memory error
10
11
External device recognition error
11
12
E. Noise
Circuit noise, mechanical noise
12
13
F. Exterior error
Exterior defect
13
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Click on the first or last page to see other 22LV2500-ZA / 22LV250A-ZA / 22LV250N-ZA / 22LV250U-ZA / 22LV2520 / 22LV255C-ZA (CHASSIS:LD01S) service manuals if exist.