JVC KW-XC55 Schematics
SCHEMATIC DIAGRAMS
CD/CASSETTE RECEIVER
KW-XC55
CD-ROM No.SML200310
Area suffix
UN ----------------------------Asean
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-2
2-5,6
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
No.49784SCH
2003/10
Safety precaution
!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
Block diagram
ANT
PICKUP
CD
MECHA
Switch board
RESET
SWITCH
IC502
REMOCON
KEY
SWITCH
FRONT
LED
WR501WR502
AUX IN
J1
Main board
VA,VB,VC,VD,VE,VF,LD,MD,VREF
CN601
LCD board
WR502
REMOTE
RESET
WR501
KEY2
KEY3
ILL
PJ501
TRACKING+,TRACKINGFOCUS+,FOCUSSPINDLE+,SPINDLEFEED+,FEED-
CDON
LM0
LM1
KEY
SWITCH
KEY1
KEY3
COM1 to 8
LCD1
SEG1 to 75
IC661
CD
DRIVER
FOO,TRO
DMO,FMO
BACK
LIGHT
LCD RST
LCD CE
LCD SCK
LCD DATA
IC501
LCD DRIVER
LED
ILL
IC601
RF AMP
RFDC,RFGC
RFRP,RF,FE
TE,SEL,TEB
AUXL
AUXR
TU1
FM/AM TUNER
SEEK,MONO
FM/AM,IFC,FM/AM OSC
CDRW,IOP
CN501
CN701
SD/ST,S.METER
L-CH
R-CH
IC961
CD L.P.F.
BUS0 to BUS3
IC621
DSP
BUCK,CCE
LSI_RESET
DAC
RESET,REMOTE
KEY0 to 3,LCD-CE
LCD-RESET,LCD-SCK
LCD-DATA,ILL
AUX-Lch,AUX-Rch
IC21
PLL
PLLCE,PLLDA
PLLCL,PLLDI
ANT
IC791
RESET
RESET
IC701
BUS_SI
BUS_SO
BUS_I/O
BUS_SCK
IC761
JVC BAS
CD-Lch
CD-Rch
CPU
Tuner-Lch
Tuner-Rch
IC951
E.VOLUME
VOLSCK
VOL SO
ILL,ANT
FRONT-L,FRONT-R
REAR-L,REAR-R
CH-Lch
CH-Rch
TAPE-Lch
TAPE-Rch
Each block
CN951
LINE
OUT
IC901
POWER IC
FRONT L+
FRONT LFRONT R+
FRONT RREAR L+
REAR LREAR R+
REAR R-
MAIN
MOTOR
SUB
MOTOR
HEAD
Mecha control board
SUBMO+
CN403
SUBMO-
TAPEIN,MODE
REEL,PHOTO
MOTOR,STANDBY
CJ402
IC402
MOTOR
DRIVER
SUBMO+
SUBMO-
IC401
HEAD AMP
BUS SI
BUS SO
BUS SCK
BUS INT
IC431
CPU
FF/REW
DIRECTION
DOLBY,MS
IC461
BUFFER
PREQ,SI/SO
RESET,P.DET
A.MUTE
TAPE-Lch
TAPE-Rch
SCK
SI/SO
CN401
Changer control board
SCK,SI/SO
RESET,PREQ
P.DET
A.MUTE
CN972
TAPE-Lch
TAPE-Rch
CN971
CD-CH
CH-L
CH-R
CN973
CN702
SI/SO
SCK
MUTE-OUT
TAPE-DET
RST-OUT
TAPE-PREQ
IC911
REG
MEMORY
ILL,ANT
POWER ON
CN911
SPEAKER
BATTERY
2-1
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