DOWNLOAD LG 26LG3100 (CHASSIS:LD91M) Service Manual ↓ Size: 6.87 MB | Pages: 67 in PDF or view online for FREE

Model
26LG3100 (CHASSIS:LD91M)
Pages
67
Size
6.87 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
26lg3100-chassis-ld91m.pdf
Date
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Replace module
Zoom part with 
exterior damage
Module
damage
Cabinet
damage
Replace cabinet
Replace remote controller
Remote 
controller
damage
Stand
dent
Replace stand
F. Exterior defect
Exterior defect 
Established
date 
Revised date 
13/13
LCD  TV
Error
symptom
Standard Repair Process
13
2009. 7 .30
Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
1
Check LCD back light with naked eye
A1
2
Check inverter cable connection
A2
A. Video error_ No video/Normal 
audio 
3
Check White Balance value
A3
4
Power Board voltage measuring method
A4
5
TUNER input signal strength checking 
method
A5
6
A. Video error_ No video/Video 
lag/stop
LCD-TV Version checking method
A6
7
LCD TV connection diagram (1)
A7
8
Check Link Cable (LVDS) reconnection 
condition
A8
9
A. Video error_Color error
Adjustment Test pattern - ADJ Key
A9
10
LCD TV connection diagram (2)
A10
11
Check Link Cable (LVDS) reconnection 
condition
A11
12
A. Video error_Vertical/Horizontal bar, 
residual image, light spot
Adjustment Test pattern - ADJ Key
A12
13
Exchange Module itself (1)
A-
1/5
14
Exchange Module itself (2)
A-
2/5
Continue to the next page
Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
15
Check front display LED
A13
16
Check power input Voltage & ST-BY 5V
A14
17
Checking method when power is ON
A15
18
POWER BOARD voltage measuring 
method
A16
19
B. Power error_No power
Checking mechanical button at Bottom or 
Back side
A17
20
B. Power error_Off when on, off 
while viewing
POWER OFF MODE checking method
A18
21
B. Power error_Off when on, off 
while viewing
POWER BOARD PIN voltage checking 
method
A19
22
Checking method in menu when there is 
no audio
A20
23
C. Audio error_No audio/Normal 
video  
Voltage and speaker checking method 
when there is no audio
A21
24
C. Audio error_Wrecked
audio/discontinuation
Voltage and speaker checking method in 
case of audio error
A22
25
D. Function error_ No response in 
remote controller, key error
Remote controller operation checking 
method
A23
Continued from previous page
Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
A1
Error 
symptom
Content
Check LCD back light with naked eye
A. Video 
error_No
video/Normal audio 
LCD  TV
2009. 7 .30
A1
Power On -> disjoint back case -> check lighting at 1 points. 
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