KDC-5016,515S
4
COMPONENTS DESCRIPTION
MAIN UNIT
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC1
784217AGF505
System MI-COM.
IC2
S-80830ANNP Reset IC
"Lo": Detection voltage below 3.0V
IC3
HD74HC27FP
Mute logic
3 input NOR gate x3
IC300
TDA7400D
E-VOL. & N.C. MPX
IC500
TDA7386
Power IC
Q1
2SA1576A
SW 5V
ON when the base goes "Lo".
Q2
DTA124EUA
Mute driver for Audio mute SW
ON when the base goes "Lo".
Q3
DTA144EUA
Changer reset SW
ON when the base goes "Lo".
Q5
2SA1576A
Panel 5V SW
ON when the base goes "Lo" during the panel not detached.
Q100
2SA1703-AN
FM+B SW
Q100 is turned ON when Q101's base goes "Hi".
Q101
DTC144EUA
ON during FM reception.
Q102
2SA1703-AN
AM+B SW
Q102 is turned ON when Q103's base goes "Hi".
Q103
DTC144EUA
ON during AM reception.
Q303
DTC144EUA
E-VOL. mute SW
E-VOL. is muted when the base goes "Hi".
Q350A,B DTC343TK
Audio mute SW
Audio pre-outs are muted when the base goes "Hi"
Q351A,B DTC343TK
Audio mute SW
Audio pre-outs are muted when the base goes "Hi"
Q500
DTC114YUA
SVR SW
POWER IC RESET is activated when the base goes "Hi".
Q600
2SC4081
BU detection(Momentary power down detection) ON when the base goes "Hi" during BU applied.
Q601
2SC4081
ACC detection
ON when the base goes "Hi" during ACC applied.
Q602
2SA1703-AN
P ANT SW
Q602 is turned ON when Q603's base goes "Hi".
Q603
DTC114YUA
ON during AM/FM reception.
Q604
2SA1703-AN
P CON SW
Q604 is turned ON when Q607's base goes "Hi".
Q607
DTC114EUA
ON during POWER ON mode except ALL OFF mode.
Q605
2SA1576A
P CON protection
Protect Q604 by turning ON when P-CON output is grounded.
Q606
DTA124EUA
Prevents Q605 tuning ON during start-up after power ON.
Q610
2SB1565(E,F)
BU 5V AVR
Inverted darlington connection.
Q611
2SC4081
ON during BU applied.
Q612
2SD1760
Illumination AVR
ON when the base goes "Hi".
Q614
DTA124EUA
Illumination AVR SW
Q614 is turned ON when Q615's base goes "Hi".
Q615
DTC124EUA
Q618
2SB1565(E,F)
Servo AVR
Inverted darlington connection.
Q620
2SC4081
Q618 is turned ON when Q620's base goes "Hi".
Q621
DTA124EUA
SW 14V
Audio 8V AVR and Servo AVR ON/OFF control.
Q624
DTC144EUA
Q621 is turned ON when Q624's base goes "Hi".
Q622
2SB1565(E,F)
Audio 8V AVR
Inverted darlington connection.
Q625
2SC4081
Q622 is turned ON when Q625's base goes "Hi".
CONTROL UNIT
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC900
LC75883E
LCD driver with key-matrix
IC901
RS-171
Remote control IC
Q900
DTA124EUA
Remote SW
ON when the base goes "Lo".
Q903
DTA124EUA
Key-matrix permission SW
ON when the base goes "Lo".