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BLOCK DIAGRAM
CD PLAYER UNIT (X32-597x-xx)
DPU1
Q1
A
B
APC
F
E
C
IC3
FO COIL
FO OUT
TR COIL
TR OUT
MOTOR
DRIVER
DM1
LOADING &
DM OUT
SPINDLE
MOTOR
DM2
LOADING &
SLED
FM OUT
MOTOR
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
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
SW1.5V REG
16.934MHz
IC6
SW3.3V REG
IC11
BU1.5V REG
(0-01)
ONLY
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
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
3
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