Block Diagram - Kenwood KDC-BT7539U Service Manual

BLOCK DIAGRAM

CD PLAYER UNIT (X32-6130-00)
DPU1
A B
Q1
E F
C
APC
IC3
FO COIL
FO OUT
TR COIL TR OUT
MOTOR
DRIVER
DM1
LOADING &
DM OUT
SPINDLE
MOTOR
DM2
LOADING &
SLED FM OUT
MOTOR
IC4
SRAMSTB
SIGNAL
A,B,C,E,F SO
PD SI
BUCK
LD CCE
PIO0
MRST
RF AMP
+
BSIF ST REQ
VREF
SERVO
BSIF GATE
PROCESSOR
+
BSIF DATA
MP3 DECODER
FO OUT BSIF BCK
+
TR OUT WMA DECODER BSIF LRCK
+
DM OUT
AAC DECODER
FM OUT R-ch
+
1M bit SRAM
L-ch
ZDET
A3.3V
AGND
X1
IC5
CLOCK
SW1.5V REG
16.934MHz
IC6
SW3.3V REG
IC11
BU1.5V REG
KDC-BT7539U/BT8041U
/BT8141UY/BT838U
MOTHER
BOARD
(X34- )
SRAMSTB
SO
SI
BUCK
CCE
PIO0
MRST
BSIF ST REQ
BSIF GATE
BSIF DATA
BSIF BCK
BSIF LRCK
C88,R82
CR FILTER R-ch
C87,R83
CR FILTER L-ch
Q13
REVERSAL
MUTE L/R
CIRCUIT
A8V
A.GND
BU5V
P.ON
D.GND
S1
LOS-SW
S2
12EJE-SW
S3
LOE-SW
8EJE-SW
DRV MUTE
LO/EJ
MOTOR
S7.5V
S.GND
3