Sony SDM-S76D Service Manual page 39

17" LCD Color Monitor
6.2 Power Board
No Power
Check CN902 pin1.2=12V and
pin 3, 4=5V
Check AC line volt 120V or 220V
Check the voltage of C905(+)
Check start voltage for the pin 6 of IC901
Check the auxiliary voltage is normal?
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
Check R909, D910, D911, ZD906
Check interface board
Change F901, checkBD901,
Q903, IC901
Check bridge rectified circuit
Change IC901
1) Check IC901,IC903
2) Check Q903, OLP circuit
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SDM-S76D/SDM-S76F