CONFIDENTIAL
5 Troubleshooting
5-2
LS15S13C
5-2 No Video (PC Signal, Comp [DTV])
Power indicator is green.
Does the signal appear
at C306, C398, C397
of R, G, B input?
Check the CN575.
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Does the clock pulse appear at
output of RA351 ~ RA356?
Check related circuit of IC350.
Does the clock pulse
appear at IC002~IC005?
Check IC001 and related
circuit of IC001.
Does the signal appear at CR01,
CG01, CB01 of R, G, B output?
Check X201 and related
circuit of IC200.
Does the clock pulse appear at
output of RA301~RA306?
Check IC901 and
related circvit of IC300.
Replace LCD Panel.
WAVEFORMS
Full White R,G,B Input(C306,398,397)
3-1
Full White Y Input(C398_DTV)
3-2
X201
5
DPTV R, G, B Output(CR01, CG01, CB01)
4
3-1
3-2
4
5
Summary of Contents for LS15S13C
Page 7: ...CONFIDENTIAL 2 Product Specifications 2 4 LS15S13C µs µs µs µs µs 2 3 2 Supported Modes 1 ...
Page 14: ...4 Alignments and Adjustments LS15S13C 4 3 CONFIDENTIAL ...
Page 15: ...Memo 4 Alignments and Adjustments 4 4 LS15S13C CONFIDENTIAL ...
Page 19: ...5 Troubleshooting 5 4 LS15S13C CONFIDENTIAL WAVEFORMS 6 1 6 3 6 2 6 4 7 8 X201 5 ...
Page 21: ...Memo 5 Troubleshooting 5 6 LS15S13C CONFIDENTIAL ...
Page 22: ...CONFIDENTIAL LS15S13C 6 1 6 Exploded View and Parts List ...
Page 23: ...Memo 6 Exploded View Parts List 6 2 LS15S13C CONFIDENTIAL ...
Page 43: ...7 Electrical Parts List 7 20 LS15S13C CONFIDENTIAL Memo ...
Page 44: ...8 Block Diagram LS15S13C 8 1 CONFIDENTIAL ...
Page 45: ...8 Block Diagrams 8 2 LS15S13C CONFIDENTIAL Memo ...
Page 51: ...10 Schematic Diagrams 10 4 LS15S13C CONFIDENTIAL X201 5 DPTV R G B Output CR01 CG01 CB01 4 ...
Page 53: ...10 Schematic Diagrams 10 6 LS15S13C CONFIDENTIAL IC801 2 IC805 1 1 2 ...
