
KDC-MP2032/MP232/MP4033/
KDC-MP4033S/W4534/W4534Y
3
●
ELECTRIC UNIT (X34-416x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
System
µ
-COM
System controller.
IC3
Power Supply IC
DC5Vx2, 7.9Vx1, 8.1Vx1, 10.2Vx1, P-CON, P-ANT output.
IC4
Power IC
Signal amplifier.
IC6
Mute logic IC
Controls for mute action.
IC7
RDS Decoder
RDS decoder.
IC8
Reset IC
“L” : detection voltage below 3.6V.
IC10
E-VOL & Tuner
E-VOL, Tuner, Stereo decoder.
IC11
E2PROM
Saves & Loads for tuner adjustment data.
IC15
Regulator IC
Outputs 11.3V for LED and VFD.
Q51
Serge Det.
ON when the base goes “Hi”.
Q52
B.U. Det.
ON when the base goes “Hi” during BU applied.
Q53
ACC Det.
ON when the base goes “Hi” during ACC applied.
Q71
Control SW for SERVO+B
ON when the base goes “Hi”.
Q72
SERVO+B AVR
Outputs voltage 7.5V.
Q74
Control SW for IC3
ON when the base goes “Hi”. Output voltage is 10.3V.
Q151
Panel 5V SW
ON when the base goes “Lo”.
Q155
DSI ILLUMI SW
ON when the base goes “Lo”.
Q252
STANDBY SW for IC4
ON when the base goes “Lo”.
Q330
Mute driver for Q351, Q352
ON when the base goes “Lo”.
Q351
Mute SW for Lch PRE OUT
Audio pre-output is muted when the base goes “Hi”.
Q352
Mute SW for Rch PRE OUT
Audio pre-output is muted when the base goes “Hi”.
Q501
AM RF Amplifier
Adjusts for Gain.
●
SWITCH UNIT (X16-350x-xx)
Ref. No.
Application / Function
Operation / Condition
IC1
VFD DRIVER
IC3
REMOTE SENSOR
Q1
GREEN LED SW
“ON” when the base goes “H”.
Q2
RED LED SW
“ON” when the base goes “H”.
Q21
PAN SW5V
“ON” when the base goes “H”.
●
DAUGHTER UNIT (X89-2690-10) : KDC-MP2032 only
Ref. No.
Application / Function
Operation / Condition
Q221,222
2-PREOUT MUTE
“ON” when the base goes “H”.
Q225
2-PREOUT MUTE
“ON” when the base goes “H”.
●
CD PLAYER UNIT (X32-5860-00)
Ref. No.
Application / Function
Operation / Condition
IC1
A3.3V regulator
Power supply for audio 3.3V
IC2
Ope amp for low-pass filter
IC3
4ch BTL driver
Driving spindle motor and loading/ejection operation
IC4
Mechanism
µ
-com
COMPONENTS DESCRIPTION