5 Troubleshooting
5-2 No Video (PC Signal)
Power indicator is green.
Yes
Does the signal appear
3at C306, C398, C397
of R, G, B input?
Yes
Does the clock pulse appear at
output of RA351 ~ RA356?
Yes
Does the clock pulse
appear at R354?
Yes
Does the clock pulse
4appear at X201?
Yes
No
No
No
No
Check CN401 and cable.
Check related circuit of IC350.
Check R354 and related
circuit of R354.
Check X201 and related
circuit of X201.
CONFIDENTIAL
Does the clock pulse appear at
output of RA301~RA306?
Yes
Replace LCD Panel.
WAVEFORMS
3Full White R, G, B Input (C306, 398, 397)
No
Replace RA301 ~ RA306, IC300.
4X201
NK15A*/NK17A* |
