Fujitsu Siemens Computers FSC B17-1 User Manual

FSC B17-1 Service Manual
37
8.2.2 Power/Inverter Board
1.) No power


Check to CN102 Pin1 and
pin2 = 5V
Check Interface board
OK
NG
Check AC line volt 120V or
220V
NG
O
K
Change F901 , check BD901,Q903,IC901
Check the voltage of C905(+)
Check bridge rectified circuit
NG
O
K
Check start voltage for the pin3 of IC901
Change IC901
NG
Repeating the start voltage
Check the auxiliary voltage is smaller than 20V
1) Check IC902, IC903
2) Check Q901,Q902…OVP circuit
NG
O
K
Ch
ec
k
R
919
, D
910
,D
911
,D
912
,D
913
, ZD
904

Fujitsu Siemens Computers FSC B17-1 Specifications

General

Brand	Fujitsu Siemens Computers
Model	FSC B17-1
Category	Monitor
Language	English