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Block Diagram - Kenwood KDC-U556BT Service Manual

Cd receiver
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BLOCK DIAGRAM

ELECTRIC UNIT
CD PLAYER UNIT
FEED +
FEED -
FOCUS +
FOCUS -
PWS
POSITION
SP +
SET SWITCH
SP -
TRK +
TRK -
FEED +
FEED -
LOAD +
FOCUS +
LOAD -
LOAD&FEED
FOCUS -
MOTOR
SPINDLE+
SPINDLE
SPINDLE-
MOTOR
SW1
SW2
SW1, SW2
PSW
VF1, VF2
SW1
VT1, VT2
SW2
CD_MD
SW3
LD
FOCUS +
FOCUS -
TRK +
TRK -
PICK UP
USB
SWITCH UNIT
CN603
CN604
IC602
EN601
MIC
REMOCON
D+
D-
AUX-IN
ENCODER
REMOCON
AUX-R
AUX-G
AUX-L
MIC+
VOL1
MIC-
VOL2
KI1
-
KI5
KS1 - KS5
VFDINH(single LED)
VFDCLK
LED0
VFDCE
LED1
PANDATA
LED2
SYSDA/ RGBDA
LED3
IC601
D651
to
Button LED
RGB
VFDINH
(RGB LED)
DRIVER IC
LED4
D650
LED5
ACCENT LED
For RGB Model
LED6
No.WA049
FM/AM
ANT
SDA TU/EVOL
SCL TU/EVOL
IC501
BTL DRIVER
DRV_Mute
FWR
REV
IC771
BTL_DMO
BTL_FMO
BTL_FOO
EPROM
DSPL
BTL_TRO
DSPR
Vref
BCK
IC540
LRCK
VF1, VF2
DATA
VT1, VT2
MP3 LSI
CD_MD
& INT. SRAM
LD
IC701
CMD_SO
CMD_SI
CMD_BUCK
CMD_CCE
CDR_RESET
CD_MUTE
SRAM STB
MICOM
VFDCE
VFDCLK
RGBCLK
RGBDA
FREQ SEL
MIC _P
MIC_N
VOL1
D+
VOL2
D-
REMOCON
IC981
DC DC
D663
BT_TX
BTOUT_L
BT_RX
BTOUT_R
BT_RESET
BT_MUTE
CN180
TO BLUETOOTH UNIT
IC1
J1
TUNER IC
RL/SWL
RR/SWR
TUL
TUR
MUTE
MUTE
CIRCUITRY
E-MUTE
FL OUT
IC301
BT_L
RLOUT
IC161
BT_R
FROUR
RROUT
CDL
SWLOUT
SWROUT
CDR
POWER AMP
E-VOLUME
FRONT LEFT(+)
F-AUXL
FRONT LEFT(-)
F-AUXG
FRONT RIGHT(+)
F-AUXR
FRONT RIGHT(-)
REAR LEFT(+)
SDA TU/EVOL
REAR LEFT(-)
SCL TU/EVOL
REAR RIGHT(+)
REAR RIGHT(-)
DC_ERR
OFFSET
BU-DET/
SURGE DET
MEMORY
AMP MUTE
(+14V)
AMP STBY
BU DET
IC901
REGULATOR
CTRL1
MEMORY
CTRL2
TEL
MUTE
CP_SCL
CP_SDA
CN901
CP_Reset
IC80
SP OUT
iPOD Coprocessor
(DC CORD)
MEMORY (+14V)
MIC_P
MIC_N
CN181
TO MIC
(No.WA049<Rev.001>)3/16
Line Out (Rear)
L&R / Subwoofer
L&R
Line Out (Front)
L&R
J321
SP
created date:2013-01-31

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