DOWNLOAD LG 65LA965V-ZA / 65LA965W-ZA / 65LA9659-ZA (CHASSIS:LD34N) Service Manual ↓ Size: 12.33 MB | Pages: 125 in PDF or view online for FREE

Model
65LA965V-ZA 65LA965W-ZA 65LA9659-ZA (CHASSIS:LD34N)
Pages
125
Size
12.33 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
65la965v-za-65la965w-za-65la9659-za-chassis-ld34n.pdf
Date
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LG 65LA965V-ZA / 65LA965W-ZA / 65LA9659-ZA (CHASSIS:LD34N) Service Manual ▷ View online

Interconnection – sub PCB( XXLA965V Series )
To Main
3
4
BT MOTION ASSY
5
Local Key
PCB
1
IR Key PCB
IR PCB
WIFI ASSY
BT MOTION ASSY
WIFI ASSY
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
Picture broken/ Freezing
3
4
Color error
4
5
Vertical/Horizontal bar, residual image, 
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
7
8
C. Audio error
No audio/Normal video  
8
9
Wrecked audio/discontinuation/noise
9
10
D. Function error
Remote control & Local switch checking
10
MR13 operating checking
11
11
12
Wifi operating checking
12
13
Camera operating checking
13
14
External device recognition error 
14
15
E. Noise
Circuit noise, mechanical noise
15
16
F. Exterior error
Exterior defect
16
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Normal 
audio
Y
N
Move to No 
video/No audio
No video
Normal audio
Check Back Light
On with naked eye
On
Y
N
Check Power 
Board
24V, 12V,3.5V  etc.
Normal 
voltage
Y
N
Replace T-con/FRC 
Board or module
And Adjust VCOM
Repair Power 
Board or parts
Check Power Board  24V output
Normal
voltage
Y
Replace Inverter 
or module
N
Repair Power 
Board or parts
End
Always check & record S/W Version and White 
Balance value before replacing the Main Board
Replace Main Board 
Re-enter White Balance value
※
Precaution
Established
date 
Standard Repair Process
Revised date 
1/16
LCD  TV
Error
symptom
A. Video error
No video/ Normal audio 
☞
A18
☞
A1
☞
A18
☞
A4 & A2
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,)
1
2013.01.31
Normal
voltage?
Check various 
voltages of Power 
Board ( 3.5V,12V,20V 
or 24V…)
No Video/
No audio
Check and 
replace 
MAIN B/D
Y
Replace Power 
Board and repair 
parts
N
End
Standard Repair Process
A. Video error
No video/ No audio 
☞
A18
Established
date 
Revised date 
2/16
LCD  TV
Error
symptom
2
2013.01.31
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