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5 Troubleshooting
5-2 No Video (PC Signal, DTV)
Power indicator is green.
Yes
Does the signal appear
3-1
at C306, C398, C397
3-2
of R, G, B input?
Yes
Does the clock pulse appear at
output of RA351 ~ RA356?
Yes
Does the clock pulse
appear at IC002~IC005?
Yes
Does the signal appear at CR01,
4
CG01,CB01 of R,G,B output?
Yes
Does the clock pulse appear at
output of RA301~RA306?
Yes
Replace LCD Panel.
WAVEFORMS
Full White R, G, B Input (C306, 398, 397)
3-1
5-2
No
Check CN401
CN409~CN411 and cable.
No
Check related circuit of IC350.
No
Check IC001 and related
circuit of IC001.
No
Check X201 and related
5
circuit of IC200.
No
Check IC901 and related
circuit of IC300.
FullWhite Y Input (C398_DTV)
3-2
CONFIDENTIAL
4
DPTV R, G, B Output (CR01, CG01, CB01)
X201
5
LS15N13W/LS17N13W
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