3
KDC-MP4036U/MP435U/X491/W4537UA/W4537UAY
/W4537UG/W4537UGY/W4737U/W4737UY
DPU1
CD PLAYER UNIT (X32-598x-xx)
BOARD (X34- )
MOTHER
E
F
A
C
B
TR COIL
FO COIL
APC
IC1
16.93MHz
CLOCK
IC6
8V SW
3.3V REG
IC3
LOADING &
RF AMP
SERVO
PROCESSOR
MOTOR
DRIVER
MOTOR
SPINDLE
3.3V REG
IC2
S2
S4
S1
S3
+
+
ONLY
SLED
MOTOR
DM1
DM2
Q1
X2
Q7
PROCESSOR
MICRO
1 CHIP IC
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
Q3
Q3
Q4
(0-00),(0-01) ONLY
SW
Q2
SW
Q8,9
3.3V SW
Q6
SW
(0-01),(0-03)
ONLY
(0-00),(0-01)
X1 or
VREF
D.GND
BU5V
8EJE-SW
12EJE-SW
LOS-SW
LOE/LIM-SW
D.GND
MOTOR
LO/EJ
S.GND
D.GND
D.GND
S.GND
A.GND
AS8V
R-ch
L-ch
S.GND
DMUTE
A,B,C,E,F
VREF
TR OUT
FO OUT
DM OUT
FM OUT
TVD,SPL
FOD,TRD,
DATA
CLK
MSTOP
RST
MUTE
MUTE
CLK
DATA
MSTOP
MRST
D.GND
S7V
AVDD
REGVDD
P-ON1
IOVDD
BLOCK DIAGRAM