5 Troubleshooting
5-2 SyncMaster 150MP
5-2 No Video (PC Signal)
Power indicator is green
Does the signal appear at Pin 7,
15, 22, of IC107?
Check R155 ~ R157, C151 ~ C153.
Yes
No
Does the clock pulse appear at
Pin 115, 117 of IC107?
Check IC107 and related circuit of IC107.
Yes
No
Does the clock pulse appear at
output of RA301 ~ RA304?
Check related circuit of IC301.
Yes
No
Does the clock pulse appear at
Pin 37 ~ 48 of IC501?
Check IC501 and related circuit of IC501.
Yes
No
Does the clock pulse appear at
output of FT501 ~ FT510?
Replace FT501 ~ FT510.
Replace LCD Panel.
Yes
No
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