CONFIDENTIAL
5 Troubleshooting
5-2
LTM1525/LT15S13C
5-2 No Video (PC Signal)
Power indicator is green.
Does the signal appear
at C491, C489, C488
of R, G, B input?
Check CN401 and cable.
Yes
No
No
No
No
No
Yes
Does the clock pulse
appear at output of
T201, T202, T203 ~ RA356?
Check related circuit of IC350.
Yes
Does the clock pulse
appear at R354?
Check R354 and related
circuit of R354.
Yes
Does the clock pulse
appear at X201?
Check X201 and related
circuit of X201.
Yes
Does the clock pulse appear at
output of RA301~RA306?
Replace RA301 ~ RA306, IC300.
Yes
Replace LCD Panel.
WAVEFORMS
C491
4
R354
5
X201
6
Содержание LTM 1525
Страница 7: ...2 Product Specifications 2 4 LTM1525 LT15S13C CONFIDENTIAL ...
Страница 8: ...2 Product Specifications LTM1525 LT15S13C 2 5 CONFIDENTIAL ...
Страница 12: ...2 Product Specifications LTM1525 LT15S13C 2 9 CONFIDENTIAL s s s s s s s s 2 3 2 Supported Modes 3 ...
Страница 13: ...Memo 2 Product Specifications 2 10 LTM1525 LT15S13C CONFIDENTIAL ...
Страница 21: ...Memo 4 Alignments and Adjustments 4 6 LTM1525 LT15S13C CONFIDENTIAL ...
Страница 26: ...CONFIDENTIAL LTM1525 LT15S13C 6 1 6 Exploded View and Parts List ...
Страница 27: ...Memo 6 Exploded View Parts List 6 2 LTM1525 LT15S13C CONFIDENTIAL ...
Страница 88: ...8 Block Diagram LTM1525 LT15S13C 8 1 CONFIDENTIAL ...
Страница 89: ...8 Block Diagrams 8 2 LTM1525 LT15S13C CONFIDENTIAL ...
Страница 93: ...10 Schematic Diagrams 10 2 LTM1525 LT15S13C CONFIDENTIAL CN401 4 R354 5 ...
Страница 95: ...10 Schematic Diagrams 10 4 LTM1525 LT15S13C CONFIDENTIAL X201 6 ...
Страница 97: ...10 Schematic Diagrams 10 6 LTM1525 LT15S13C CONFIDENTIAL IC811 2 IC805 1 IC812 2 1 2 3 IC919 3 8 ...
Страница 99: ...10 Schematic Diagrams 10 8 LTM1525 LT15S13C CONFIDENTIAL CN828 16 7 ...