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KDC-W241AY/W241GY/W3041A/W3041AY/W3041G
/W3041GY/W312A/W312AY/W312G/W312GY/W312SAY
ELECTRIC UNIT (X34- )
J2
ANT.
A1
AM+B
TUNER
A8V
FRONT-END
SW5
3
SW5
1
IC7
RDS
DECODER
3
3
IC1
IC8
BU5
RESET IC
J3
to GND
PANEL DET
S2
J2
RESET
F-AUX
IC3
REMOTE
SWITCH UNIT (X16- )
2
BLOCK DIAGRAM
BU
A8V
SERVO+B
IC2 or IC3
MUTE
E-VOL
A8V
ROM CORRECTION (NOT USED)
IC10
SW5
E2PROM
1
2
SYSTEM u-COM
1
1
2
1
1
5
Q301
PAN5V
BU5
CN
J1
IC1
S1
ROTARY
VFD
ENCODER
DRIVER
SW5
9
SW5
CD PLAYER UNIT (X32-597x-xx)
DPU1
Q1
A
B
APC
E
F
C
IC3
FO COIL
FO OUT
TR COIL
TR OUT
MOTOR
DRIVER
DM1
LOADING &
DM OUT
SPINDLE
MOTOR
DM2
LOADING &
SLED
FM OUT
MOTOR
DME1
BU
CD
MECHA
IC6
POWER
16
2
IC
1
1
Q701,702
PRE-OUT
MUTE
BU5
1
BU5
Q705
BU5
MUTE
9
1
DC-CN etc
PHONE
ACC DET / BU DET
P.ON FL
R11-15
PS1-1 / PS1-2 / PS1-3
PS2-1 / PS2-2
1/2W
FL+B
Rx5
R80,81
FL+B
1/4W
Rx2
ED1
5
VFD
KEY
ILLUMI
KEY
MATRIX
IC4
SRAMSTB
SIGNAL
A,B,C,E,F
SO
LD
SI
BUCK
RF AMP
VREF
+
CCE
SERVO
PIO0
PROCESSOR
+
MP3 DECODER
FO OUT
+
MRST
TR OUT
WMA DECODER
+
DM OUT
AAC DECODER
FM OUT
L-ch
+
1M bit SRAM
R-ch
ZDET
A3.3V
AGND
IC5
X1
CLOCK
16.934MHz
IC6
SW3.3V REG
IC11
BU1.5V REG
(0-01)
ONLY
Q901-903
DC-DET
R103
PHONE
PHONE
Q101
ACC DET
ACC-DET
Q103
BU DET
BU-DET
Q102
J5
SURGE-
PRE-OUT
DET
FRONT/
REAR/SW
IC4
PS1 1 / PS1 2 / PS1 3
PS2 1 / PS2 2
BU DET
FL+B
RST
AM+B
POWER
SW5
SUPPLY
IC
A8V
SW5
D5
BU5
Q2
CD
SERVO+B
SERVO
Q8,9
ILLUMI
ILLUMI+B
+B
Q7
SW14V
MOTHER
BOARD
(X34- )
Q11
SRAMSTB
LEVEL
SHIFT
SO
Q12
SI
LEVEL
SHIFT
BUCK
Q10
CCE
LEVEL
SHIFT
PIO0
R246,247
LEVEL
MRST
SHIFT
C87,R83
CR FILTER
L-ch
C88,R82
CR FILTER
R-ch
Q13
REVERSAL
MUTE L/R
CIRCUIT
IC7
3.3V REG
A8V
A.GND
BU5V
SW1.5V REG
P.ON
D.GND
S1
LOS-SW
S2
12EJE-SW
S3
LOE-SW
S4
8EJE-SW
DRV MUTE
LO/EJ
MOTOR
S7.5V
S.GND
BU5
BU5
J1
DC-CN
PHONE
SP-OUT
ACC
B.U.
P-ANT
P-CON
P.ON FL
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