JVC KD-G440 Diagram
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-G351E,KD-G351EX,KD-G351EY,KD-G351EU
KD-G357EE,KD-G440J,KD-G441E,KD-G441EX
KD-G441EY,KD-G441EU,KD-G447EE,KD-G644UI
KD-G645U,KD-G645UN,KD-G645UT,KD-G645UH
KD-G646U,KD-G646UN,KD-G646UT,KD-G646UH
KD-G648UF,KD-G352EY,KD-S45J,KD-G645SUI
KD-G442E,KD-G442EX,KD-G442EY,KD-G499UR
KD-G357EE2,KD-G645TUH
DVD-ROM No.SML2008Q3
except
KD-G441
KD-G351
KD-G447
KD-G357
KD-S45
KD-G645
KD-G442
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
KD-G440
KD-S45
KD-G499
KD-G441
KD-G351
KD-G447
KD-G357
KD-G352
KD-G442
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2008 Victor Company of Japan, Limited.
2-1
2-2
2-5 to 7
No.MA377SCH<Rev.004>
2008/10
Safety precaution
!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
Block diagram
CD MECHA
LOAD & FEED
MOTOR
POSITION
SET SWITCH
SPINDLE
MOTOR
SW1,SW2
CD PICK UP
PICK UP
FOCUS & TRACKING
FEED+/-
PSW
SP+/-
SW1
SW2
VF1, VF2
VT1, VT2
MD, LD
COIL
CN001
TRK+/FOCUS+/-
CD servo control section
VF1
VF2
VT1
VT2
MD
LD
X521
16.9344MHz
CN501
SP+/FEED+/FOCUS+/TRK+/-
PSW
SW1, SW2
SRAMVDD
IC521
Q521
RF AMP
IC501,Q501
BTL DRIVER
IC981
1.5V REG.
14.31818MHZ
OUTL/R CD-USB.L/R
IC581
CD L.P.F.
IRQ
NPWDOWN
NRST
STAT
MLD
MDATA
MCLK
FOP
TRP
TRVP
SPOUT
LM
MSW
VDD5V
CD-NRST
CD-STAT
CD-MLD
CD-DATA
CD-MCLK
IC401
USB
X401
DECODER
I2C-DATA
I2C-REQ
I2C-CLK
USB_CON
USB-RST
USB-DET
USBD+/-
Main amplifier & System control section
X701
8MHz
X702
32.768kHz
E2PROM_DI
E2PROM_DO
IC771
EPROM
IC702,S701
RESET
Q976,Q977
PS2
E2PROM_CLK
RST
PS2
IC701
CPU
TUSDA
TUSCL
SUB-MUTE
MUTE
VOL_SDA
VOL_CLK
RDSDA
RDSCL
X1
4MHz
CD-USB.L/R
Used for
KD-G351, KD-G357
KD-G441, KD-G447
IC71
RDS DETECTOR
MPXOUT
IC1
FM/AM TUNER
TU.L/R
CONTROL
IC161
E.VOLUME
SUBL.RL
SUBR.RR
Q781
Q782
MUTE
X71
4.332MHz
Used for
KD-G440, KD-G441
KD-G644, KD-G645, KD-G646, KD-G648
Q331,Q785
REAR/SUBW
REAR/
SUBWOOFER L/R
LINE OUT MUTING
Used for
KD-G644, KD-G645
KD-G646, KD-G648
Q321
FRONT
FRONT L/R
LINE OUT MUTING
MUTE
LFOUT
RFOUT
LROUT
RROUT
IC301
POWER AMP.
FL+/FR+/RL+/RR+/-
J1
ANT
REAR &
SUBWOOFER
LINE OUT
FRONT
LINE OUT
USB
AUX
INPUT
J601J602
LCD , AUX/USB Jack & Key control section
D+/-
USB5V
LCD1
COM1 to 4
S1 to 50
LCD MODULE
IC681
REMOCON
JS686
REMOCON
Used for
KD-G440, KD-G441, KD-G447
KD-G644, KD-G645, KD-G646, KD-G648
VOL1
VOL2
ENCODER
KEY0
KEY1
S601 to S619
KEY2
KEY MATRIX
AUX.L/R
D630
POWER LED
D631 to D654
LIGHTING DISPLAY
ACC5V
ILM.10V
IC661
LCD DRIVER
LCDDA
LCDCE
LCDCL
USB5V MEMORY
IC931,IC941
USB5V REG.
KEY2
LCDDA
LCDCE
LCDCL
REMOCON
CN701
CJ601
VOL1
VOL2
KEY0
KEY1
DIMOUT
ANT
CD_ON
Q882,Q883
DIMMER
CONTROL
ILM.ADJ
AUX.L/R
POWER
3.3V,SW5V,ACC5V
VDD5V,CD8V,9V,ILM.10V
EACH BLOCK
ACC.IN
EXT
IC901
MEMORY
REGULATOR
ANT
D851
AUTO ANTENNA
DIMIN
Q881
DIMMER INPUT
Used for KD-G644, KD-G645, KD-G646, KD-G648
TELMUTE
Q891
TELMUTE
Used for KD-G351, KD-G357, KD-G441, KD-G447
Used for KD-G440,KD-G441
ANT
ILLUMINATION
TELMUTE
STEERING
CN901J321
SPK
BATTERY
CN703
STEERING
REMOTE
2-1
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