Transistor &Diode Circuit - Compaq MV7540 Service Manual

5-3 Transistor & Diode Circuit
Location
D901~D904
D910
D919
D922
D923
D925
D929
IC901
Q907, Q908
Q909, Q910
Q912, Q920
Q913
Q904
Q403
IC403
Q404, Q405
Q406
Q705
Q742
Circuit Function Description
Bridge Rectifier for AC Source
Clamp Diode for snub CKT
Rectifier for Output Voltage
Rectifier for Output Voltage
Rectifier for Output Voltage
Rectifier for B+ Supply
B+ Feed Back Rectifier from F.B.T Pulse
Power IC for Switching Power Control. (Build-in MOS FET)
Use for Power Saving to Cut-off 6.3V Supply Voltage
Use for Power Saving to Cut-off 12.5V Supply Voltage
Push-Pull Topology to Drive Q911
Degaussing Switcher Transistor
5V Regulator Transistor
HOR. Driver Transistor
Horizontal s correction control MOSFET(Four in one)
As Differential Amp. to Drive Q406
Transistor for H-Size Control
Brightness Control CKT
V-Dynamic focus CKT
14
HP MV7540