Kenwood KCD-BT6544U/UY Service Manual page 3

CD PLAYER UNIT (X32-6260-00)
DPU1
IC2
SIGNAL A/B/C/E/F
PD
Q7
A B
E F APC
LD
C
VREF
IC3
FO COIL
FOO
FOO
TRO
TR COIL TRO
DMO
FMO
MOTOR
DRIVER
DM1
SPINDLE
DMO
MOTOR
DM2
LOADING &
X3
SLED
FMO
CLOCK
MOTOR
16.934MHz
IC1
SO CD SI
SI CD SO
BUCK CD CLK
CD REQ DSP REQ
RF AMP
CCE CE
+
SERVO SRAMSTB CD SRAMSTB
PROCESSOR RST CD RST
+
Z DET ZDET IN
MP3 DECODER
+
BSIF ST REQ BSIF ST REQ
WMA DECODER
BSIF GATE BSIF GATE
+
BSIF DATA BSIF DATA
AAC DECODER
+
BSIF BCK BSIF BCK
1Mbit SRAM
BSIF LRCK BSIF LRCK
CD DRIVE MUTE
IPOD SDA
IPOD SCL
Q3
S
D
SW3.3V
SW
G
IC4
iPod
AUTHENTICATION
IC5
DATA S
REQ A
LEVEL
MSTOP SHIFT
MRST
IC6
DATA M
REQ M
MECHANISM LEVEL
u-COM CLK SHIFT
CD MUTE
USB D+
USB D-
USB OC
USB VBUS SW
Q5 IC7
BU3.3V
BU3.3 /
SW
BU1.5V
BU1.5V
REG
IC9
SW3.3V
REG
X1 X2
CLOCK CLOCK
9.000MHz 32.768kHz
MOTHER
BOARD
(X34- )
SO
CCE
MSTOP
MRST
SI
REQ
BUCK
MUTE L/R
USB+
USB-
VBUS OC
VBUS SW
Lch
Rch
BU5V
DGND
Q9
INV
AGND
S1
LOS SW
S2
12EJE SW
S3
LOE SW
LO/EJ
MOTOR
S7.5V
S.GND