KDC-MP732
3
COMPONENTS DESCRIPTION
●
ELECTRIC UNIT (X34-3730-11)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC10
Audio 8V Ref Power Supply
Output 1.27V.
Power Supply for VFD & Mecha digital.
IC60
Switching Regulator Controller
CH1 : VFD (4.7V)
CH2 : Mecha digital (DXM-680x : 4V , Other : 5V)
IC80
Switching Regulator
Power supply for VFD. (57V)
IC100
Reset IC
“L” when detection voltage goes below 3.6V or less.
IC102
System
µ
-com
Controls FM/AM tuner, the changer, CD/MD mechanism,
Panel, volume and tone.
IC103
Muting logic IC
Controls logic for muting.
IC104
EEPROM
For instraller’s memory
IC200
Power Control IC
Power control switch
IC300
Eelectrical Volume & Source Selecter
Controls the source, volume, and tone.
Panel mecha control
IC450
Panel mecha motor driver
IC451
G-Analyzer
Analog gravity sensor.
IC600
±
9V AVR
Power supply for 5V Pre Out OP-AMP.
IC601~603
5V Pre-out AMP
Output buffer and gain control.
IC750
Power IC
Amplifies the front L/R and the rear L/R to 50W maximum.
IC800
Audio3.3V Ref Supply
Audio 3.3V Ref supply to electrical volume and all low pass filters.
SVR6.8V Ref Supply
SVR6.8V Ref supply to power IC.
Q10,11
Audio8V AVR
When Q11’ 2in goes Hi, A8V AVR outputs 8.0V.
Q12
SW14V
When Q12’ 2pin goes Hi, SW14V outputs 14V.
Q20,21
B.U.5V AVR
While BU is applied, BU5V AVR o5V.
Q22,23
SW5V
When Q23’ base goes Hi, SW5V o5V.
Q30,32
Moter+B AVR (Panel Mecha)
When Q9’ base goes Hi, Moter+B AVR outputs 7.5V.
Q31,33
Servo+B AVR
When Q33’ base goes Hi, Servo+B AVR outputs 8.5V.
Q40,42,45
Panel5V AVR
When Q42’ 2pin goes Hi, anel5V AVR outputs 5V.
Q41,43,44
Illumination AVR
When Q43’ 2pin goes Hi, Ill AVR outputs 10.5V.
Q50~52
SW16V (Surge Protection)
When Q51’ 2pin goes Hi, SW16V outputs 13V.
Q60
VFD (4.7V) AVR SW
When base goes Hi, VFD AVR off.
Q61
Switching Regulator frequency control SW (IC60)
Q62
Mecha digital AVR SW
When base goes Hi, Mecha digital AVR off.
∗
DXM-680x : 4V, Other : 5V
IN1
IN2
Panel mecha
L
L
WAIT
L
H
OPEN
H
L
CLOSE
H
H
STOP
1pin
2pin
L
H
L
400kHz
600kHz
H
650kHz
850kHz