Samsung SyncMaster 150MP Service Manual page 17

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