DOWNLOAD LG 42SL80YD-DA (CHASSIS:LT91T) Service Manual ↓ Size: 4.91 MB | Pages: 69 in PDF or view online for FREE

Model
42SL80YD-DA (CHASSIS:LT91T)
Pages
69
Size
4.91 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42sl80yd-da-chassis-lt91t.pdf
Date
PREV: LG 42SL80YD-AA (CHASSIS:LB91T) Service Manual

LG 42SL80YD-DA (CHASSIS:LT91T) Service Manual ▷ View online

Digital TV Video OK ?
YES
Replace MAIN B’D IC 100
Making 
전자 - 6-2
Revision 
2009. 2 . 1
14/25
LCD TV
Symptom
Digital TV No Audio Problem
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 
전자 - 6-2
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 
전자 - 6-2
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 
전자 - 6-2
Revision 
2009. 2 . 1
17/25
LCD TV
Symptom
AV2 No Audio Problem
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