3
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
BLOCK DIAGRAM
DPU1
CD PLAYER UNIT (X32-6250-00)
BOARD
MOTHER
(X34- )
E
F
A
C
B
TR COIL
FO COIL
APC
IC4
16.934MHz
CLOCK
IC3
LOADING &
MOTOR
DRIVER
MOTOR
SPINDLE
S2
S1
SLED
MOTOR
DM1
DM2
X1
Q1
RF AMP
SERVO
MP3 DECODER
WMA DECODER
1M bit SRAM
PROCESSOR
AAC DECODER
+
+
+
+
+
LEVEL SHIFT
RESISTOR
FILTER
FILTER
D1.5V
IC5
Q14
REG
BU1.5V/
OUTPUT
D3.3V
VREF
12EJE-SW
LOS-SW
LOE-SW
MOTOR
LO/EJ
A.GND
TR OUT
FO OUT
DM OUT
FM OUT
A3.3V
LD
SIGNAL A/B/C/E/F
S.GND
S7.5V
FO OUT
TR OUT
DM OUT
FM OUT
DRV MUTE
SO
SRAM STB
SI
BUCK
CCE
PIO0
R15
SRAM STB
BUCK
CCE
PIO0
SO
SI
MRST
MRST
C43
C44
Rch
Lch
Lch
Rch
ZDET
MUTE L/R
D.GND
D GND
BU1.5V
D1.5V
D3.3V
AGND
BU5V
P.ON
PD