Service manual

4-3 TRANSISTOR & DIODE CIRCUIT

LOCATION

CIRCUIT FUNCTION DESCRIPTION

D901 ~ D904 Bridge Rectifier for AC Source

D910 Clamp Diode for Snubber CKT

D918, D919 Rectifier for Output Voltage

D922 Rectifier for Output Voltage

D923 Rectifier for Output Voltage

D925 Rectifier for B+ Supply

Q901 MOS FET for Switching Power Control.

Q907, Q908 Use for Off-Mode to Cut-off 6.3V Supply Voltage

Q909, Q918 Use for Standy-By or Suspend Mode to Cut-off 12V Supply Voltage

Q912, Q920 Push-Pull Topology to Drive Q911

Q913 Degaussing Switcher Transistor

Q921 5V Regulator Transistor

Q701 Turn-on at Power ON/OFF and Change Mode to Protect Hor.Block

Q402 HOR. Driver Transistor

Q426 Horizontal s correction control MOSFET

Q404, Q405 As Differential Amp. to Drive Q406

Q406 Transistor for H-Size Control

Q705 Brightness Control CKT

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