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Block diagram
VF1, VF2, VT1, VT2, LD, MD
PICK UP
TRK+/-
FOCUS &
FOCUS+/-
TRACKING
COIL
LOAD&FEED
FEED+/-
MOTOR
POSITION SET
PSW
SWITCH
SPINDLE
SP+/-
MOTOR
SW1, SW2
SW1, SW2
LCD/Key control & AUX input section
D601 to D621
LIGHTING
DISPLAY
KEY0
KEY1
S601 to S614
KEY2
D645,D646
S616,S617
Q640,Q641
KEY MATRIX
DIMMER
LCDCL
DIM-OUT
LCDDA
IC601
LCDCE
LCD DRIVER
COM1 to COM3
S1 to S52
REMOCON
LCD1
IC602
LCD DISPLAY
REMOCON
ENCODER
AUX
AUX_L/R
INPUT
CD mechanism control section
CN001
SP+/-
FEED+/-
TRK+/-
IC501
FOCUS+/-
BTL
DRIVER
FOP
TRP
VF1
TRVP
VF2
SPOUT
VT1
VT2
MD
LD
IC521
RF AMP
X521
16.9344kHz
OUTL/R
ACC5V
ILM10V
ILM10V
IC581
KEY0 to 2
CD L.P.F.
LCDCL
ENC1
LCDDA
ENC2
LCDCE
KEY0
IC981
REMOCON
1.5V
EN601
1.5V REGULATOR
ENC1
ENC2
DIM-OUT
AUX_L/R
System control & Main amplifier section
TU1
ANT
FM/AM TUNER
FSU
MPX
AFS
Q_OUT
IC71
SSTOP
RDS
TUSDA
DETECTOR
TUSCL
RDSDA
RDSCL
SW1
SW2
PSW
LM
MSW
MLD
MDATA
MCLK
IC701
NRST
NPWDOWN
CPU
STAT
STAT
IC523
IRQ
IRQ
LEVEL SHIFT
CD_L/R
VDD5V
Used for KD-AR480
FL
FR
TU_L/R
RLO
RRO
IC361
4V AMP.
Used for
KD-AR480,KD-G430
X71
4.332MHz
LIN-FL/R
Used for
LIN-RL/R
KD-G531,KD-G537
L_MUTE
MUTE
Q781,Q783
S_MUTE
MUTE
MUTE
Q301
DRIVER
VSCL, VSDA, V-MUTE
FL, FR
L_CLK, L_DATA, LEVEL
IC161
RL, RR
E.VOLUME
ERDI
IC771
ERCLK
SW5V,ACC5V
VDD5V,CD8V
EPROM
3.3V,9V,ILM.10V
MEMORY IN
RESET
IC775,S775
EACH BLOCK
RESET
POWER, CDON, ANT_CON
IC901
DIM
ILM.ADJ
Q901,Q902
REGULATOR
PS2
MEMORY IN
Q911,Q912
X701
ANT
8MHz
D951
X702
POWER ANT
32.768kHz
Used for KD-G534,KD-G535
OPEN
S701
KD-G536,KD-G538
OPEN SW
DETACH
S702
DETACH SW
TEL_MUTE
Q891
TEL.MUTE
Used for KD-G531,KD-G537
ILL
Q881
DIMMER
SI, SO, I/O, SCK, INT
IC801
JVC BUS
Used for KD-AR480,KD-G430
FLO
Q341, Q351
FRO
LINE OUT
LINE OUT
FRONT
MUTING
RLO
Q321, Q331
RRO
LINE OUT
LINE OUT
REAR
MUTING
IC301
POWER
AMP.
FL+/-
FR+/-
RL+/-
STBY
RR+/-
SPK
ACC, REMOTE
BATTERY
POWER
ANTENNA
TEL MUTE
ILLUMINATION
CH-L/R
CHANGER
JB-CLK
CONTROL
SI/SO
STEERING
STEERING
REMOTE
2-1
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