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5-3  TRANSISTOR & DIODE CIRCUIT 
 
 
LOCATION 
 
 
CIRCUIT FUNCTION DESCRIPTION 
D901 ~ D904  Bridge Rectifier for AC Source 
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  Rectifier for Output Voltage 
D929  Forward Bias when Q403 Turn-off to Protect B+ Block CKT 
D930  B+ Feed Back Rectifier from F.B.T Pulse 
Q907  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 
Q913  Degaussing Switcher Transistor 
Q921  5V Regulator Transistor 
Q401  Turn-on at Power ON/OFF and Change Mode to Protect Hor.Block 
Q402  HOR. Driver Transistor 
Q407, Q408  As a Switcher for Horizontal s Correction CKT 
Q409  H-Linear control transistor 
Q411, Q410  Horizontal s correction control MOSFET 
Q404, Q405  As Differential Amp. to Drive Q406 
Q406  Darlington Transistor for H-Size Control 
Q703  As a Switcher to Mute Screen 
Q704, Q705  Brightness Control CKT 
Q601, Q707  Blanking Signal output transistor