Fujitsu 154V User Manual

     

 

 

  

 

 

 

  

 

 

 

D901 ~ D904

 

Bridge Rectifier for AC Source

 

D909

 

Half-Wave Rectifier for Start CKT

 

D910

 

Clamp Diode for Snubber CKT

 

D919

 

Rectifier for Output Voltage

 

D922

 

Rectifier for Output Voltage

 

D923

 

Rectifier for Output Voltage

 

D925

 

Rectifier for Output Voltage

 

D927

 

Forward Bias when Q403 Turn-off to Protect B+ Block CKT

 

D929

 

B+ Feed Back Rectifier from F.B.T Pulse

 

Q904

 

Start CKT Amplifier Transistor

 

Q907, Q908

 

Use for Off-Mode to Cut-off 6.3V Supply Voltage

 

Q909, Q910

 

Use for Standy-By or Suspend Mode to Cut-off 14.5V Supply Voltage

 

Q912, Q920

 

Push-Pull Topology to Drive Q911

 

Q401

 

Turn-on at Power ON/OFF and Change Mode to Protect Hor.Block

 

Q402

 

HOR. Driver Transistor

 

Q407, Q408

 

As a Switcher for H-Size Correction CKT

 

Q410, Q426

 

H-Size Corection Mosfet (Q426 15" only)

 

Q404, Q405

 

As Differential Amp. to Drive Q406

 

Q406

 

Darlington Transistor for H-Size Control

 

Q703

 

As a Switcher to Mute Screen when Abnormal Qccurring

 

Q704, Q705

 

Unit Brightness Control CKT

 

Q601, Q707

 

Develop Blanking Signal

 

Q813, Q814

 

A Amplifier to Corection and Support Clamp Signal

 

Page 11 of 59

4V SERIES MANUAL

05.06.2002

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