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6.2 PWPC board
No Power
Check AC line voltage 110V or 240V
Check the voltage of C905(+)
Check start voltage for the pin3 of IC901
Check the auxiliary voltage is smaller than 24V
Check R904, D902,D904, ZD903
Check to CN902 Pin5=12.0V and
pin9 = 5.0V
NG
NG
OK
NG
OK
OK
Repeating the start voltage
NG
OK
OK
Check Interface board
Change F901 , check BD901,Q903,IC901
Check bridge rectified circuit
NG
1) Check IC902, IC903
2) Check Q901,Q902...OVP circuit
43
S95E Sony
Change IC901
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