JVC KD-G489UR Schematic

SCHEMATIC DIAGRAMS

CD RECEIVER

KD-G489UR

CD-ROM No.SML200706

Destacável

* Please refer to the mechanism manual (model TN2007-1010, No.MY005, MY005B)
for the CD mechanism.

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)

Contents

Block diagram
Standard schematic diagrams
Printed circuit boards

COPYRIGHT 2007 Victor Company of Japan, Limited.

2-1
2-2
2-5 to 6

No.MA340SCH

2007/6

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

System control & Main amplifier section

AUX
INPUT

CD mechanism control section

PICK UP

FOCUS &

TRACKING

COIL

LOAD&FEED

MOTOR

POSITION SET

SWITCH

SPINDLE

MOTOR

SW1, SW2

VF1, VF2, VT1, VT2, LD, MD

TRK+/­FOCUS+/-

FEED+/-

PSW

SP+/-

SW1, SW2

CN001

CN501

LCD/Key control & AUX input section

D601 to D621

LIGHTING

DISPLAY

D645,D646

DIMMER

S601 to S614

S616,S617

KEY MATRIX

IC601

KEY0
KEY1
KEY2

LCDCL
LCDDA
LCDCE

LCD DRIVER

COM1 to COM3
S1 to S52

LCD1

LCD DISPLAY

J601

AUX_L/R AUX_L/R

REMOCON

IC602

REMOCON

ENCODER

ENC1
ENC2
KEY0

EN601

ACC5V
ILM10V

ILM10V

CN601

CN701

SP+/­FEED+/­TRK+/­FOCUS+/-

VF1
VF2
VT1
VT2
MD
LD

X521

16.9344kHz

KEY0 to 2
LCDCL, LCDDA, LCDCE
REMOCON
ENC1, ENC2

IC501

BTL

DRIVER

FOP
TRP
TRVP
SPOUT

IC521

RF AMP

OUTL/R

IC581

CD L.P.F.

LM
MSW

STAT
IRQ

1.5V

IC981

1.5V REGULATOR

CD_L/R

MLD
MD ATA
MCLK
NRST
NPWDOWN

IC523

LEVEL SHIFT

VDD5V

ANT

J1

SW1
SW2

PSW

STAT
IRQ

FSU
AFS
Q_OUT
SSTOP
TUSDA
TUSCL

IC701

CPU

TU1

FM/AM TUNER

TU_L/R

L_MUTE

MUTE
S_MUTE

Q781
Q783

MUTE

DRIVER

VSCL, VSDA, V-MUTE
L_CLK, L_DATA, LEVEL

IC161

E.VOLUME

ERDI
ERCLK

IC771

EPROM

RESET

IC775,S775

RESET

POWER, CDON, ANT_CON

DIM ILM.ADJ

PS2

OPEN

DETACH

Q901,Q902

Q911,Q912

X701

8MHz

X702

32.768kHz

S701

OPEN SW

S702

DETACH SW

MEMORY IN

ILL

SI, SO, I/O, SCK, INT

LIN-FL/R

LIN-RL/R

MUTE

Q301

FL, FR
RL, RR

SW5V,ACC5V
VDD5V,CD8V

3.3V,9V,ILM.10V
MEMORY IN

EACH BLOCK

IC901

REGULATOR

D724

LED

Q881

DIMMER

IC801

JVC BUS

Q341, Q351

LINE OUT

MUTING

Q321, Q331

LINE OUT

MUTING

IC301

POWER

AMP.

STBY

ACC, REMOTE

ILM10V

ILLUMINATION

FLO
FRO

RLO
RRO

FL+/­FR+/­RL+/­RR+/-

CH-L/R

JB-CLK
SI/SO

LINE OUT
FRONT

J321

LINE OUT
REAR

SPK
BATTERY

J801CN901

CHANGER
CONTROL

2-1