Eastern Digital Co V700P, Руководство по обслуживанию

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5-5 TRANSISTOR & DIODE CIRCUIT
LOCATION CIRCUIT FUNCTION DESCRIPTION
D701 ~ D704 Bridge Rectifier for AC Source
D705
、
D706 Clamp Diode for Snubber CKT
D713 Rectifier for Output Voltage
D714 Rectifier for Output Voltage
D715 Rectifier for Output Voltage
D716 Rectifier for Output Voltage
D717 Rectifier for Output Voltage
D603 Forward Bias when Q603 Turn-off to Protect B+ Block CKT
D707 B+ Feed Back Rectifier from F.B.T Pulse
Q705, Q706 Use for Off-Mode to Cut-off 6.3V Supply Voltage
Q707, Q708 Use for Standy-By or Suspend Mode to Cut-off 12V Supply Voltage
Q702, Q703 Push-Pull Topology to Drive Q704
Q603 HOR. Driver Transistor
Q610 As a Switcher for H-Size Correction CKT
Q605, Q606 As Differential Amp. to Drive Q607
Q607 Darlington Transistor for H-Size Control
Q619 As a Switcher to Mute Screen when Abnormal Qccurring
Q620, Q621,Q622 Unit Brightness Control CKT
Q624, Q623,Q625 Develop Blanking Signal
Q802 A Amplifier to Corection and Support Clamp Signal