JVC KD-G401 Service Manual page 33

Q Q
3 7 6 3 1 5 1 5 0
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+
T E
FOCUS-
L 1 3 9 4 2 2 9 6 5 1 3
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
IC661
&
S1 to S52
LCD1
DIMMER
DRIVER
CONTROL
w w w
.
TU1
FM/AM
TUNER
FM/AM,SEEK/STOP,SD/ST
SQ ,MONO,SM,AFCK
SPINDLE+ LM0,LM1,RST
SPINDLE-
FEED+ DMO,FMO
FEED- TRO,FOO
IC501
TRACKING+
TRACKING- CD
FOCUS+ DRIVER
FOCUS-
RFGC
VREF
RF,FE,TE
RFRP
RFDC
LRCK
SEL
BCK
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
LCD
x a o
y
i
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RDSDA
SW1,SW2,PSW RDSCL
VREF RST
VOLDA
BUS0 to BUS3 VOLCL
BUCK,CCE
IC541
IC701
DSP
CPU
DAC-CDTI,DAC-CCLK
DAC-CSN,DAC-PDN
PLLDA
PLLDI
SDA
PLLCL
IC771 SCL
PLLCE
EPROM
Q Q
3 7 6 3
AOUTL+,AOUTL-
IC481 AOUTR+,AOUTR-
SDO
DAC CD L.P.F.
u 1 6 3
.
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2 4
9 9
LEFT.REAR
RIGHT.REAR
IC71
RDS
DETECTOR
TU.L
LEFT.FRONT
TU.R
RIGHT.FRONT
LEFT.REAR
IC301
RIGHT.REAR
IC161
POWER
E.VOL
AMP
CD.L
CD.R
IC31 FL+,FL-
PLL FR+,FR-
IC901
RL+,RL-
REGULATOR
RR+,RR-
1 5 1 5 0 8 9 2
EACH BLOCK
IC581
CN901
SPK
BATTERY
m
c o
2
8 9 9
CJ321
LINE OUT
4 9 8 2 9 9
2-1