![background image](http://html1.mh-extra.com/html/viewsonic/g90fb-4/g90fb-4_service-manual_1020357015.webp)
4-2 Transistor & diode circuit
Location
Circuit function description
BD901
Bridge Rectifier for AC Source
D910
Clamp Diode for snub CKT
D919
Rectifier for Output Voltage
D922
Rectifier for Output Voltage
D923
Rectifier for Output Voltage
D930
Rectifier for Output Voltage
D918
Rectifier for Output Voltage
IC901
Power IC for Switching Power Control.
Q937, Q937
Use for Power Saving
Q912, Q920
Push-Pull Topology to Drive Q911
Q913
Degaussing Switcher Transistor
IC903
5V Regulator IC
Q403
HOR. Driver Transistor
Q417,Q418,Q416,Q420
Horizontal s correction control MOSFET
Q406
Transistor for H-Size Control
Q705
Brightness Control CKT
Q742
V-Dynamic focus CKT
Q402
Q403 Driver MOSFET
Q901
MOS FET for Switching Power Control.
ViewSonic Corporation
Confidential - Do Not Copy
G90fB-4
12