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KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
QQ
3 7 63 1515 0
J4
ANT
AM+B
Q501
AM AGC
SERVO
CD or MD
A8V
MECHA
BU5V
AUDIO OUT
J2
CHANGER
AUDIO OUT
BACK-UP
SWITCH UNIT (X16-)
ED1
VFD
TE
S11
L 13942296513
.......
VOL
MECHA ASSY (X92-)
PICK-UP (DPU1)
A
E
C
F
B
TR COIL
FO COIL
DM1
SPINDLE MOTOR
DM2
LOADING & SLED
MOTOR
www
.
2
BLOCK DIAGRAM
ELECTRIC UNIT (X34-)
L506
FM AGC
IC10
MPX OUT
MPX IN
800mV
E-VOL
&
1200mV
TUNER
IC11
E2PROM
RST IC
IC7
RDS
DECODER
SYSTEM u-COM
PAN5V
IC1
IC3
REMOTE
VFD DRIVER
with
KEY MATRIX
.......
CD PLAYER UNIT (X32-5750-00)
D. GND
D. GND
IC1
7
Q1
RF AMP
APC
VREF
IC3
Q5,6,D3
2
CURR.
VREF
AMP
2
MUTE
2
MOTOR
DRIVER
LOADING
2
H
L
SLED
S. GND
x
ao
y
i
8
Q351,352
PRE MUTE
IC6
MUTE LOGIC
A8V
BU5V
IC8
SURGE DET
IC1
BU DET
ACC DET
Q151
BU5V
PAN5V
PAN5
Q72,73
SERVO
Q155
SERVO
DSI
Q Q
3
6 7
1 3
X1
CLOCK
16.934MHz
IC2
12
SERVO
PROCESSOR
u-COM
REF
A+5V
A. GND
DRV MUTE
4
D. GND
VREF
u163
SW +5V
.
2 9
9 4
2 8
IC4
FM (J/K Type)
FM (E Type)
AM (J/K Type)
AM (E Type)
CD/MD RECEIVER
POWER IC
CHANGER
Q51
Q52
Q53
POWER SUPPLY IC
P-CON
P-ANT
SW5V
SW5V
AM+B
AM+B
IC15
A8V
AUDIO+B
VFD REG
VCC
BU5V
1 5
0 5
8
2 9
BU5V
ILLUMI
MOTHER
BOARD (X34-)
DOUT
4
2
IC4
L-ch
LPF
R-ch
D2
Q4
5V REG
8V SW
A8V
Q3
A. GND
SW
BU5V
Q2
5V SW
D. GND
S3
m
LOE/LIM SW
S2
co
12EJE SW
S1
D. GND
LOS SW
S7.5V
S. GND
MOTOR
LO/EJ
9 9
J6
PRE OUT
: 1800mV
:
1372mV
:
600mV
:
855mV
:
3600mV
:
3600mV
J1
SP OUT
BACK-UP
ACC
TEL MUTE
P-ANT
P-CON
IC3
9 4
2 8
9 9
22
19
CLK
18
DATA
10
MSTOP
11
MRST
12
MUTE L
13
MUTE R
8
6
9
7
15
14
1
21
20
3
2
4
5
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