A B C D E F G

1

2

3

4

5

2-1

KD-LX300/KD-LX100

Block diagram

CN601

KEYMARTIX

LEDMATRIX

LCD

IC601LCD DRIVER

IC602LCD DRIVER

COM1~COM3S1~S52

COM1~COM3S1~S52

IC603REMOCON

REMOCON

RESETKEY2

LCDDALCDCL

LCDCE1LCDCE2LCDRST

LCDDALCDCL

LCDCE1LCDCE2LCDRSTCASW4CASW5

AUX INSUB WOOFER

CN

302

LINE OUT

CN301

SPKBATT

CN901

CN601

CN702 CN701

IC941POWER AMP

IC301DRIVER

IC401DRIVER

IC323OP AMP

IC321E.VOL

IC322SWITCH

IC821CRUISE

IC911E.VOL

IC171LINE IN

TU1FM/AM

TUNER PACK

IC21PLL

IC701CPU

IC771JVC BUS

IC661CD & TRAY

/DOORLOADINGDRIVER

CDMECHA

IC702RESET

IC521DSP & DAC

IC601RF AMP

IC960CD LPF

IC703EEPROM

J1ANT

CN771

CD CHANGER

CN631

KEYMARTIX

KEY0KEY1

KEY0KEY1

VOL1VOL2KEY2DOTREMOCONRESET

BUS-SCKBUS-SOBUS-SI

BUS-INT

E2PR-CLKE2PR-DA-I

E2PR-DA-O

RESET

CRUISE

TNI,TPI,FPIFNI,MDI,LDI

FEO,RFRP,RFBORFBC,SEL,TEBTEN,TEO,RFDC

CD-LCD-R

LORO

LO ,TRAYFO ,FESP ,TR

BUS0~BUS3BUCK,CCERESET

TMK,TM1,TM0DMK,DM0,DM1LM0,LM1CD-ON,REST

TU-LTU-R

LOUTFLOUTR

ROUTFROUTR

SUBW-LSUBW-R

W.MUTE

W-LPF1W-LPF2

W.VOL

FILFIR

SEEK/STOP

FM/AMFM/AMOSC

BANDINPLL-CKPLL-DAPLL-CEFM/AM

CH-LCH-R

AU.ILAU.IR

FRONTLFRONTR

REARLREARR

OUTFLOUTFROUTRLOUTRR

Parts are safety assurance parts.When replacing those parts makesure to use the specified one.

TUNER SIGNAL

CD SIGNAL

CD CHANGER SIGNAL

AUX IN SIGNAL

SUB WOOFER SIGNAL

FRONT SIGNAL

REAR SIGNAL

HA B C D E F G

1

2

3

4

5

KD-LX300/KD-LX100KD-LX300/KD-LX100

2-2

Standard schematic diagramsMain amp sction

A B C D E F G

1

2

3

4

5

2-3

KD-LX300/KD-LX100

CD servo, LCD & Key control section (KD-LX100)

CD servo, LCD & Key control section (KD-LX300)

HA B C D E F G

1

2

3

4

5

KD-LX300/KD-LX100KD-LX300/KD-LX100

2-4

Printed circuit boardsMain board (Forward side) Main board (Reverse side)

KD-LX100 LCD board (Forward side) KD-LX100 LCD board (Reverse side)

KD-LX300 Switch board (Forward side) KD-LX300 Switch board (Reverse side)

KD-LX100 Switch board (Forward side) KD-LX100 Switch board (Reverse side)