Block Diagram - JVC KD-G401 Service Manual

Block diagram

Main amplifier & CD servo control section
J1
ANT
POSITION SET
PSW
SWITCH
FEED+
LOAD&FEED
FEED-
MOTOR
SPINDLE+
SPINDLE
SPINDLE-
MOTOR
SW1, SW2
SW1, SW2
VF1,VF2
VT1,VT2
LD,MD
VREF
TRACKING+
TRACKING-
FOCUS+
FOCUS-
PICK UP
LCD & Key control section
S601 to S618 IC681
KEY MATRIX REMOCON
KEY0 to KEY2 REMOCON
DIMOUT
D630 to D653
COM1
LIGHTING
COM2
DISPLAY
COM3
&
S1 to S52
LCD1
DIMMER
CONTROL
TU1
FM/AM
TUNER
FM/AM,SEEK/STOP,SD/ST
SQ ,MONO,SM,AFCK
SPINDLE+ LM0,LM1,RST
SPINDLE-
DMO,FMO
FEED+
FEED- TRO,FOO
IC501
TRACKING+
CD
TRACKING-
FOCUS+ DRIVER
FOCUS-
RFGC
VREF
RF,FE,TE
RFRP
RFDC
SEL
TEB
VF1,VF2
VT1,VT2
MD,LD,VREF
IC521
RF AMP
CDRW LRCK
SDI
BCK
IC401
MP3/WMA
&
INT. SRAM
MP3STBY,MP3CLK
MP3DOUT,MP3REQ
JS686
MP3DIN,MP3RESET
ENCODER
ENC1
ENC2
REMOCON,ENC1,ENC2
DIMOUT,KEY0 to KEY2
LCDDA,LCDCL,LCDCE
LCDDA
LCDCL
LCDCE
IC661
LCD
DRIVER
RDSDA
SW1,SW2,PSW RDSCL
RST
VREF
BUS0 to BUS3
BUCK,CCE
IC541
IC701
DSP
CPU
DAC-CDTI,DAC-CCLK
DAC-CSN,DAC-PDN
LRCK
BCK
SDA
IC771 SCL
EPROM
AOUTL+,AOUTL-
SDO IC481 AOUTR+,AOUTR-
DAC
LEFT.REAR
RIGHT.REAR
IC71
RDS
DETECTOR
TU.L
LEFT.FRONT
TU.R
RIGHT.FRONT
LEFT.REAR
VOLDA
IC301
RIGHT.REAR
VOLCL IC161
POWER
E.VOL
AMP
CD.L
CD.R
PLLDA
PLLDI
PLLCL
PLLCE
IC31
FL+,FL-
PLL FR+,FR-
IC901
RL+,RL-
REGULATOR
RR+,RR-
EACH BLOCK
IC581
CN901
CD L.P.F.
SPK
BATTERY
CJ321
LINE OUT
2-1