Samsung LTM1525 Specifikace stáhnout pdf (Strana 23)

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

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

R354

X201

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Samsung LTM1525 Specifikace Strana 23