Kenwood KRF-V7300D Service Manual page 8

KRF-V7300D/V8300D/V9300D
Ref. No. Parts No.
Q403 2SC4081 (R,S)
Q404 2SC4081 (R,S)
Q405 2SB 1640-Q
Q406 2SC4081 (R,S)
Q407 2SA1576A (R,S)
Q408 2SC4081 (R,S)
Q409 2SA1576A (R,S)
Q410 2SA1576A (R,S)
Q411 2SA1576A (R,S)
Q412 2SC4081 (R,S)
Q413 2SA1576A (R,S)
Q414 DTC124EUA
Q415 2SC4081 (R,S)
Q416 2SA1576A (R,S)
Q417 2SA1576A (R,S)
Q418 2SC4081 (R,S)
Q419,420 2SA1576A (R,S)
Q421 2SC4081 (R,S)
Q422 2SA1576A (R,S)
Q423 2SC1627-F(Y)
Q424 2SA817-F(Y)
Q425,426 2SK879-F(Y,GR
Q427 2SC4081 (R,S)
Q428 2SA1576A (R,S)
Q651 2SA1576A (R,S)
Q701 DTC124EUA
Q702 DTC124EUA
Q703 2SA1576A (R,S)
Q750 2SC4081 (R,S)
Q751 DTC124EUA
Q752 2SC4081 (R,S)
Q753 DTC124EUA
Q754 2SC4081 (R,S)
Q755 DTC124EUA
Q756 2SC4081 (R,S)
Q757 DTC124EUA
Q758 2SC4081 (R,S)
Q759 DTC124EUA
Q760 2SC4081 (R,S)
Q761 DTC124EUA
Q801 2SC4081 (R,S)
8
CIRCUIT DESCRIPTION
Description
The inverter of reset signal.
The protection for AVR.
The power supply for FAN.
The protection for AVR.
The control of FAN motor.
The control of FAN motor.
The fast power-off detection.
The control for analog mute and Rec-out mute.
The control power supply for video circuit.
The control power supply for video circuit.
The control power supply for video circuit.
The control power supply for video circuit.
The power supply for IC204
The power supply for IC204
The control for power supply of video circuit.
The power supply for IC204
The power supply for IC204
The power supply for IC204
The control for analog mute and Rec-out mute.
The power supply for IC204
The power supply for IC204
The constant current for IC204
The power supply (+7.5V) for video circuit.
The protection for AVR.
The protection for thermal protection.
The control for DSP mute (analog mute).
The control for tuner power supply.
The control for tuner power supply.
The control for LED
The control for LED dimmer
The control for LED
The control for LED dimmer
The control for LED
The control for LED dimmer
The control for LED
The control for LED dimmer
The control for LED
The control for LED dimmer
The control for LED
The control for LED dimmer
The buffer amplifi er of composite signal.
Logic
Low turns: ON
High turns: ON
Mute: ON
±7V
±7V
±7V
±7V
±7V
Mute: ON
±7V
±7V
±7V
Mute: ON
Tuner: ON
Tuner: ON
LED on: ON
Dimmer: ON
LED on: ON
Dimmer: ON
LED on: ON
Dimmer: ON
LED on: ON
Dimmer: ON
LED on: ON
Dimmer: ON
LED on: ON
Dimmer: ON