HP VS15 Series

HP VS15 Service Manual
48
9.2.2 Power Board
No Power
Check AC line volt 110V or 220V
OK
Check AC line
Check the voltage of C905(+)
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
Check R906, R907,IC901
Check the auxiliary voltage is between 10V-16V
Check IC901,T901
Check ZD901, D903
OK
Check D910, D912,
OK
NG
No power
NG
NG
OK
NG