Block Diagram - JVC KD-AR770J Service Manual

Block diagram

Main amplifier & CD servo control section
IC401
CLOCK GEN.
IC541
D.SERVO
& DSP
SW1
SW2
SW1, SW2
SPINDLE+
SPINDLE
SPINDLE-
MOTOR
POSITION
PSW
SET SWITCH
FEED+
LOAD&FEED
FEED-
MOTOR
FOCUS+
FOCUS-
TRACKING+
TRACKING-
FOCUS & TRACKING
COIL
2-1
SCK
IC491
24BIt DAC
BCK
LRCK
DATA
FMO, DMO
TRO, FOO
DBUS0 to 3
DBUCK, /DCCE
/DRST,DREQ
RFOK,SRAMSTB
VF1, VF2,VT1, VT2
MD, LD,VREF
CN001
VF1,VF2,VT1,VT2
LD, MD, VREF
PICK UP
OUTL,OUTR
/DACMS,DACMC, DACMD
FEED+, FEED-
SPINDLE+, SPINDLE-
TRACKING+, TRACKING-
FOCUS+, FOCUS-, VREF
IC501
CD
LM0,LM1
DRIVER
/RST
BUS0 to 3
BUCK, /CCE
IC431
REQ
BUS SWITCH
LCD & Key control section
IC602
REMOCON
REMOCON
LCDCL
LCDDA
LCDCE
IC601
LCD
DRIVER
COM1 to COM3
S1 to S52
LCD1
LCD
IC581
CD LPF
CD.L
CD.R
KEY0 to 2
LCDCL,LCDDA
SW1
LCDCE
SW2
REMOCON
PSW
ENC1,ENC2
DIMOUT
CN701
CN601
S601 to S617
SD601, SD602
KEY MATRIX
KEY0 to 2
DIMOUT
ENC1
Q640,Q641
ENC2
D601 to D618
EN601
D620,D621
ENCODER
D645,D646
LIGHTING
DISPLAY
C
C
D