KDC-MP832U
4
●
ELECTRIC UNIT (X34-4100-11)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC10
Audio8V Ref Power Supply
Output 1.27V.
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/USB mechanism, Panel,
volume and tone.
IC103
Muting logic IC
Controls logic for muting.
IC104
EEPROM
For installer’s memory
IC200
Power Control IC
Power control switch
IC300
Electrical Volume & Source Selector
Controls the source, volume, and tone.
IC400
RDS decoder
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
Audio 3.3V 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.
Power Supply for VFD USB5V & Mecha digital.
IC901
Switching Regulator Controller
CH1: VFD & USB5V (5.1V)
CH2: Mecha digital (DXM-68
∗∗
: 5.1V )
IC951
Power control IC
USB power control switches with over current detection and protection.
Q10,11
Audio8V AVR
When Q11’ 2pin 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
When Q9’base goes Hi, Moter+B AVR outputs 7.5V.
(Panel Mecha)
Q31,33
Servo+B AVR
When Q33’base goes Hi, Servo+B AVR outputs 8.5V.
Q34
SW14V
When Q12’ 2pin goes Hi, SW14V outputs 14V.
Q40,42,45
Panel5V AVR
When Q42’ 2pin goes Hi, Panel5V 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 (BU-0.6) V.
Q91
Panel5V Discharge SW
When Q91’base goes Hi, Panel 5V is discharged.
Q100,101
Panel Detect SW
When Q100’base goes Lo, panel is detected.
Q201
Pre-out mute driver
When a base gose Lo, mute driver is turned on.
COMPONENTS DESCRIPTION
IN
Panel mecha
IN1
IN2
L
L
WAIT
L
H
OPEN
H
L
CLOSE
H
H
STOP