Block Diagram; Electric Unit (X34-) - Kenwood KDC-W4031 Service Manual

KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
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
L 13942296513
S11
.......
VOL
CD PLAYER UNIT (X32-5500-00)
CN1
DOUT 24 OPEN
S2
23
12EJE
S1
22
LOS
CLK 21
DATA 20
A8V
19
A8V
18
L
AGND 17
R 16
MUTER 15
3
MUTEL 14
MRST
13
MSTOP 12
S3
LOE/LIM 10
www
BU5V
BU5 9
DGND 8
DGND 7
D5V
D5 6
D5 5
.
LO/EJ 4
2
MOTOR 3
S7V 2
SGND 1
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
.......
IC1
Q1,4
LEVEL
SHIFT
MECHANISM
CONTROL
MICROPROCESSOR
IC9
A3.3V
DAC 3.3V
AVR
Q3,5,6
LEVEL
SHIFT
Q7
IC6
LEVEL SHIFT
BU 3.3V
AVR
x ao
IC5
y
SW3.3V
SW 3.3V
AVR
i
PON
S7V
8
Q351,352
PRE MUTE
IC6
MUTE LOGIC
A8V
BU5V
IC8
SURGE DET
IC1
ACC DET
Q151
BU5V
PAN5V
PAN5
Q72,73
SERVO
Q155 SERVO
DSI
Q Q
3 6 7 1 3
IC3
4
8
MP3/WMA
DECODER
IC8
BUFFER
1
IC2
BU3.3V
RF AMP/SERVO
CD SIGNAL
PROCESSOR
3
IC7
X1
DAC 3.3V
16.898MHz
AVR
4
u163
.
IC4
FCS
4 TRK
4ch BTL
SPD
DRIVER 4 SLD
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
BU DET
Q53
SW5V
AM+B
IC15
A8V
VFD REG
1 5 0 5 8 2 9
BU5V
DPU1
(OPTICAL PICKUP)
Q9,10 CN2
SW
5 16
Q8
APC
TR COIL
m
FO COIL
co
DM1
SPINDLE
M
MOTOR
DM2
LOADING
& SLED
M
MOTOR
9 9
J6
PRE OUT
: 1800mV
: 1372mV
: 600mV
: 855mV
: 3600mV
: 3600mV
J1
SP OUT
BACK-UP
ACC
TEL MUTE
P-ANT
P-CON
IC3
POWER SUPPLY IC
P-CON
P-ANT
SW5V
AM+B
AUDIO+B
VCC
9 4 2 8 9 9
BU5V
ILLUMI
LD
PD
E
A B
C
F