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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
USB Jack section
D+/-
USB
LCD/Key control section
D631,D632
VOL LED
KEY0
KEY1
S601 to S605
KEY2
S607 to S618
D634 to D652
KEY MATRIX
LIGHTING
DISPLAY
LCDCL
LCDDA
IC661
LCDCE
LCD DRIVER
COM1 to COM3
S1 to S52
REMOCON
LCD1
IC681
LCD DISPLAY
REMOCON
ENCODER
All manuals and user guides at all-guides.com
CD mechanism control section
CN001
SP+/-
FEED+/-
TRK+/-
IC501
FOCUS+/-
BTL
DRIVER
VF1
VF2
FOP
VT1
TRP
VT2
TRVP
MD
SPOUT
LD
RF AMP
CD-MLD
CD-DATA
I2C-DATA
CD-MCLK
I2C-CLK
CD-STAT
I2C-REQ
CD-NRST
USB-DET
USB_CON
IC401
USB-D+/-
USB-RST
USB
DECODER
X401
12MHz
CD L.P.F.
ACC5V
ILM.10V
KEY0 to 2
LCDCL
1.5V
LCDDA
1.5V REGULATOR
ILM.10V
LCDCE
REMOCON
VOL1
VOL2
VOL1
VOL2
JS686
System control & Main amplifier section
TU1
ANT
FM/AM TUNER
FSU
AFS
Q-OUT
IC71
SSTOP
RDS
TUSDA
DETECTOR
TUSCL
SW1
SW2
PSW
LM
MSW
IRQ
STAT
MLD
MDATA
MCLK
IC701
NRST
NPWDOWN
CPU
IC521
X521
16.9344kHz
OUTL/R
IC581
CD-USB.L/R
IC981
VDD5V
D5V
5V REGULATOR
Used for
KD-G634,KD-G635,KD-G638
TU.L/R
SUB MUTING
MPXW
Q321, Q331
LFOUT
LINE OUT
X71
RFOUT
MUTING
4.332MHz
RDSDA
RDSCL
Q341, Q351
Used for
SUB-L.RL
LINE OUT
KD-G631,KD-G632
SUB-R.RR
MUTING
SUB-MUTE
Q781,Q782
MUTE
MUTE
MUTE
DRIVER
LFOUT
RFOUT
LROUT
VOL_CLK
IC161
RROUT
VOL_SDA
E.VOLUME
AMPKILL
STBY
Q301
SDA
IC771
SCL
SW5V,ACC5V
VDD5V,CD8V
EPROM
3.3V,9V,ILM.10V
MEMORY IN
RST
IC702,S701
EACH BLOCK
RESET
EXT
POWER, CD_ON, ANT
IC901
DIMOUT
ILM.ADJ
Q882,Q883
REGULATOR
PS2
MEMORY IN
Q976,Q977
X701
8MHz
D851
POWER ANT
X702
Used for
32.768kHz
KD-G634,KD-G635,KD-G638
TELMUTE
Q891
TEL.MUTE
DIMIN
Q881
DIMMER INPUT
BUSSI, BUSSO, /BUS-I/O, BUS-I/O, BUSSCK, BUSINT
IC931
Used for KD-G631,KD-G632
MEMORY IN
Q785
FRONT L/R
LINE OUT
FRONT
REAR/
SUBWOOFER L/R
LINE OUT
REAR
IC301
POWER
AMP.
FL+/-
FR+/-
RL+/-
RR+/-
SPK
ACC, REMOTE
BATTERY
ANT
ANT
TELMUTE
ILLUMINATION
CH.L/R
CHANGER
JBUS-SCK
CONTROL
IC801
JBUS-SI/SO
JVC BUS
STEERING
STEERING
REMOTE
2-1
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