DOWNLOAD LG 26LH20D (CHASSIS:LB91A) Service Manual ↓ Size: 5.08 MB | Pages: 67 in PDF or view online for FREE

Model
26LH20D (CHASSIS:LB91A)
Pages
67
Size
5.08 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
26lh20d-chassis-lb91a.pdf
Date
PREV: LG 26LH20 (CHASSIS:LA92A) Service Manual

LG 26LH20D (CHASSIS:LB91A) Service Manual ▷ View online

MAIN B’D
L1101 Signal (SIF)
Replace MAIN B’D IC1102
NO
Analog TV Video OK ?
YES
Check MAIN B’D
R2046 Signal (SIF)
NO
Replace MAIN B’D IC100
YES
Making 
Revision 
2009. 2 . 1
15/25
LCD TV
Symptom
Analog TV No Audio Problem
Check the RCA Cable
YES
Check MAIN B’D
C229, C230
MAIN B’D
C2011 (Right Sound)
C2012 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
AV1 Video OK ?
YES
Check MAIN B’D JK402
Replace MAIN B’D JK402
NO
YES
Making 
Revision 
2009. 2 . 1
16/25
LCD TV
Symptom
AV1 No Audio Problem
Check the RCA Cable
YES
Check MAIN B’D
C2008, C2009
MAIN B’D
C2008 (Right Sound)
C2009 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
AV2 Video OK ?
YES
Check MAIN B’D JK402
Replace MAIN B’D JK402
NO
YES
Making 
Revision 
2009. 2 . 1
17/25
LCD TV
Symptom
AV2 No Audio Problem
Check the Component Cable
YES
Check MAIN B’D
C229, C230
MAIN B’D
C229 (Right Sound)
C230 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
Component Video OK ?
YES
Check MAIN B’D JK402
Replace MAIN B’D JK402
NO
YES
Making 
Revision 
2009. 2 . 1
18/25
LCD TV
Symptom
Component1 No Audio Problem
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