JVC KD-SX921R, KD-SX992R Schematics

1

Block diagram

ABC

2

3

4

KD-SX992R/KD-SX921R

5

PICKUP

LOADING

MOTOR

FEED

MOTOR

SPINDLE

MOTOR

REST

SWITCH

SW1~SW4

LOADING
TRACKING
FOCUS
SPINDLE
FEED

CN501

LM,MSW

VF1,VF2
VT2,VT1

LM0,LM1,SW1~SW4,RESET

IC602

REMOCON

REMOCON

IC601

LCD DRIVER

COM1
COM2
COM3
S1~S67

LCD1

IC501

DRIVER

IC521

RF AMP

EN601

ENCODER

LCDCE
LCDCL
LCDDA

BTL

SEL,TEB
TE,RFGC
RF,FE,RFDC
RFRP

KEY0
KEY1
KEY2

KEY

MATRIX

DMO

FOO

FMO

TRO

ENC1
ENC2

IC581

CD L.P.F.

L-CH

R-CH

IC541

DSP

&

DAC

CN701

CN601

J1

ANT

FMVT
AMVT

CD.L
CD.R

BUS0~BUS3

BUCK,CCE,RST

RESET SW

IC702

RESET

IC31

PLL

PLLCE
PLLDA
PLLCL
PLLDI

15

2

TU1

FM/AM

TUNER PACK

MONO
SM,SQ
SD/ST
FM/AM
AFCK
SEEK/STOP

IC701

CPU

SI,SO,I/O
INT,SCK

IC801

JVC BUS

J801
CHANGER
CONTROL

TU.L,TU.R

DET OUT

IC71
RDS

DETECTOR

IC771

EEPROM

CH.L,CH.R

RDSCL
RDSDA

SDA
SCL

IC161

E.VOL

KD-SX992R ONLY

OUTLF
OUTLR

OUTRF
OUTRR

SWL
SWR

IC361

Lch AMP

IC362

Rch AMP

IC251

OP AMP

J321

to EACH

BLOCK

IC901

REG.

SUBW
OUT

J321

LINE
OUT

IC301

POWER

AMP

CN901

SPK

BATT

2-1

KD-SX922R/KD-SX921R

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