DOWNLOAD LG 42LF2500 / 42LF2510 (CHASSIS:LD91A) Service Manual ↓ Size: 5.78 MB | Pages: 78 in PDF or view online for FREE

Model
42LF2500 42LF2510 (CHASSIS:LD91A)
Pages
78
Size
5.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lf2500-42lf2510-chassis-ld91a.pdf
Date
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LG 42LF2500 / 42LF2510 (CHASSIS:LD91A) Service Manual ▷ View online

Check the SCART 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
AV1 Video OK ?
YES
Check MAIN B’D JK1100
Replace MAIN B’D JK1100
NO
YES
Making 
Revision 
2009. 2 . 1
21/34
 LCD TV
Symptom
AV1 No Audio Problem
26~42LH2000
32~47LH3000/LH4000
Check the SCART 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 JK1101
Replace MAIN B’D JK1101
NO
YES
Making 
Revision 
2009. 2 . 1
22/34
 LCD TV
Symptom
AV2 No Audio Problem
26~42LH2000
32~47LH3000/LH4000
Check the CVBS Cable
YES
Check MAIN B’D
C2011, C2012
MAIN B’D
C2011 (Right Sound)
C2012 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
AV3 Video OK ?
YES
Check MAIN B’D JK402
Replace MAIN B’D JK402
NO
YES
Making 
Revision 
2009. 2 . 1
23/34
 LCD TV
Symptom
AV3 No Audio Problem
26~42LH2000
32~47LH3000/LH4000
Check the CVBS Cable
YES
Check MAIN B’D
C2013, C2014
MAIN B’D
C2013 (Right Sound)
C2014 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
Component Video OK ?
YES
Check MAIN B’D JK400
Replace MAIN B’D JK400
NO
YES
Making 
Revision 
2009. 2 . 1
24/34
 LCD TV
Symptom
Component No Audio Problem
26~42LH2000
32~47LH3000/LH4000
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