LG 26LU5000 / 26LU5010 / 26LU5020 (CHASSIS:LD91A) Service Manual ▷ View online
Check Signal format
Is it supported?
Check the SCART Cable
YES
MAIN B’D JK1101 Check
Replace MAIN B’D JK1101
YES
NO
Check MAIN B’D R1133
Video Signal ?
NO
YES
Check MAIN B’D C211
Video Signal ?
Replace MAIN B’D C211
NO
Replace MAIN B’D IC 100
YES
Making
Revision
2009. 2 . 1
LCD TV
Symptom
AV2 No Video Problem
26~42LH2000
32~47LH3000/LH4000
32~47LH3000/LH4000
9/34
Check Signal format
Is it supported?
Check the CVBS Cable
YES
MAIN B’D JK402 Check
Replace MAIN B’D JK402
YES
NO
Check MAIN B’D R400
Video Signal ?
NO
YES
Check MAIN B’D C217
Video Signal ?
Replace MAIN B’D C217
NO
Replace MAIN B’D IC 100
YES
Making
Revision
2009. 2 . 1
LCD TV
Symptom
AV3(CVBS) No Video Problem
26~42LH2000
32~47LH3000/LH4000
32~47LH3000/LH4000
10/34
Check Spec (Refer to User Manual)
Is it supported?
Check the SCART Cable
YES
Check the Trouble Shooting Guide
Analog TV No video
YES
Check MAIN B’D R1205
Video Signal ?
NO
Replace MAIN B’D Q1205
YES
Check MAIN B’D C1107
Video Signal ?
NO
MAIN B’D JK1100 Check
YES
Making
Revision
2009. 2 . 1
11/34
LCD TV
Symptom
AV1 No Video Out Problem
26~42LH2000
32~47LH3000/LH4000
32~47LH3000/LH4000
Check Spec (Refer to User Manual)
Is it supported?
Check the SCART Cable
YES
YES
Check MAIN B’D C1122
Video Signal ?
NO
MAIN B’D JK1101 Check
YES
Replace MAIN B’D IC 100
Making
Revision
2009. 2 . 1
12/34
LCD TV
Symptom
AV2 No Video Out Problem
26~42LH2000
32~47LH3000/LH4000
32~47LH3000/LH4000
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