Block Diagram - Kenwood KDC-232MR Service Manual

KDC-232MR
J4
ANT
AM+B
Q501
AM AGC
DME1
SERVO
CD
A8V
BU5V
AUDIO OUT
J2
CHANGER
AUDIO OUT
BACK
SWITCH UNIT (X16-)
ED1
VFD
S11
VOL
MECHA ASSY (X92-)
PICK-UP (DPU1)
A
E C
B
TR COIL
FO COIL
DM1
SPINDLE MOTOR
DM2
LOADING & SLED
MOTOR
2

BLOCK DIAGRAM

L506 ELECTRIC UNIT (X34-)
FM AGC
IC10
MPX OUT
MPX IN
TUNER,MPX
800mV
&
1200mV
E-VOL.
IC11
E2PROM
RST IC
IC1
IC7
RDS
DECODER
SYSTEM u-COM
PAN5V
IC1 IC3
REMOTE
VFD DRIVER
with
KEY MATRIX
D. GND
D. GND
IC1
7
Q1
F RF AMP
APC
IC3 Q5,6,D3
2 CURR.
VREF
AMP
2
MUTE
2
MOTOR
DRIVER
LOADING
H
2
L
SLED
S. GND
Q351,352
PRE OUT MUTE
IC6
MUTE LOGIC
A8V
Q51
SURGE DET
BU5V
IC8
Q52
BU DET
Q53
ACC DET
C81,D81,Q82
TEL MUTE
Q151
BU5V
PAN5V
PAN5
Q72
Q155 SERVO
SERVO
DSI
CD PLAYER UNIT (X32-5750-00)
X1
CLOCK
16.934MHz
IC2
12
SERVO
VREF
PROCESSOR
u-COM
REF
A+5V
A. GND
DRV MUTE
4
D. GND
VREF
SW +5V
J1
PRE OUT
IC4
FM (J/K Type)
FM (E Type)
AM (J/K Type)
AM (E Type)
CD
POWER IC
CHANGER
SP OUT
BACK-UP
ACC
TEL MUTE
P-ANT
P-CON
POWER SUPPLY IC
P-CON
P-ANT
SW5V SW5V
AM+B AM+B
IC15
A8V AUDIO+B
VFD REG VCC
BU5V
BU5V
ILLUMI
MOTHER
BOARD (X34-)
DOUT
CLK
4
DATA
MSTOP
MRST
2
MUTE L
IC4 MUTE R
L-ch
LPF
R-ch
D2 Q4
5V REG 8V SW
A8V
Q3 A. GND
SW
BU5V
Q2
5V SW
D. GND
S3
LOE/LIM SW
S2
12EJE SW
S1
D. GND LOS SW
S7.5V
S. GND
MOTOR
LO/EJ
: 1800mV
: 1372mV
: 600mV
: 855mV
: 3600mV
: 3600mV
IC3
22
19
18
10
11
12
13
8
6
9
7
15
14
1
21
20
3
2
4
5