Block Diagram - JVC KD-LH401 Service Manual

Block diagram

VA,VB
VE,VF
SW1
MD,LD
SW1
SW2
IC601
VREF
SW2
CD RF
REST
REST
SWITCH
LOAD/FEED+
LOAD/FEED
REST,SW1,SW2
LOAD/FEED-
MOTOR
SPINDLE+
IC621
SPINDLE
SPINDLE-
VREF
D.SERVO
MOTOR
& DSP
LOAD/FEED+
PICK UP
LOAD/FEED-
FOCUS+
SPINDLE+
FOCUS-
SPINDLE-
TRACKING+
TRACKING+
TRACKING-
TRACKING-
VA,VB,VE,VF
FOCUS+
MD,LD
FOCUS-
IC681
VREF
CD DRIVER
R3
G3
D451,D453
Q408 to Q413
B3
BACK
Q420 to Q425
LIGHT
DRIVER
DB0 to DB7
OSC,RES,CS
LCD
RS,WR,RD
MODULE
LED0 to LED6
TRIMLED
D401 to D422
INDICATOR
IC573
SCK
X571
CLOCK GEN.
VOUTL
VOUTR IC572
IC571
RWSEL,IOP CD LPF
24bit DAC
RFGC
DACML SDO
RF,FE,TE
DACMC
RFRP
DACMD
SEL,TEB BCK
RFDC LRCK
DATA
BCK
LRCK
IC652
BUS0 to BUS3
BUCK,CCE MP3 DEC
DSPPST
MP3DA
IC502
MP3CK
EPROM
FMO
DMO
MP3DA
TRO
MP3CK
FOO
MP3STB
MP3RST
CDRESET
CDON B.DET,P.DET
LD/FE IC501 CDMUTE,CDREQ
CPU
BUSSO,BUSSI
BUSIO,/BUSIO
BUSSCK IC503
J-BUS BUFF
IC802
JS801
FLASH
IC805
ENCODER
ROM
REMOCON
A0 to A19
D0 to D7
VOL1,VOL2
RE,WE
EXROM,CS1
CL1
ROMCNT
CL2
CL3
IC801
RST IC803
LCD
RESET
DRIVER
SBRST
KEY0 to KEY2
KEYIN
KEYDA
DISPCE,DISPDA
S600 to S617
DISPCK
KEY
LED MATRIX
J1
ANT
TU1
FM/AM
CD.L-CH
TUNER
CD.R-CH
DET OUT
FM/AM
IC71
PLLDI
RDS PLLCK
PLLDA
PLLCE
SM,SQ
SD/ST
RDSDA SEEK
RDSSCK AFCK
CF,MRC
CD RESET
PON,PS2
CDMUTE,CDREQ
IC701
CONTROLLER
E2PROMDI
BUSSI/SO E2PROM DO
IC703 E2PROM CK
BUSCLK
EPROM
IC702
SBRST
RESET
REMOCON
DISPCK,DISPDA
REM DISPCE
SBRST
FL
FR
TU.L
TU.R
RL
RR
LINE AMP
OUT FL
CD.L
OUT RL
CD.R
OUT FR
IC301
OUT RR
ACOUTL
POWER
ACOUTR
IC161 AMP
IC201
ACINL E.VOLUME
EQ
ACINR
IC901
EACH
REGULATOR
BLOCK
CH.L
CH.R
EQCLK
EQDATA LIN.L SWL
IC251
EQLA
LIN.R SWR
SUB OUT
AMP
VOLDA
LPF1
VOLCK
LPF2 IC271
VOLMUTE
SWITCH
STEERINGREM.
BUSSO
BUSI/O
BUSCLK
SI/SO
IC801
BUSINT
SCK
J-BUS
BUFF
SI/SO
EFD-OUT1
OUT1
IC951
EFD-OUT2
OUT2
MOTOR
DRIVER
EFD-IN1
EFD-IN2
EFD-IN3
J321
FRONT
IC361
LINE OUT
IC381
REAR
LINE OUT
FL+, FL-
FR+, FR-
RL+, RL-
RR+, RR-
SPK
BATTERY
SUB
WOOFER
OUT
STEERING
REMOTE
LINE IN
CD
CHANGER
DOOR
MOTOR
SWITCH
2-1