JVC KS-FX742R Schematics

KS-FX742R

SCHEMATIC DIAGRAMS

CASSETTE RECEIVER

KS-FX742R

CD-ROM No.SML200303

Contents

Block diagram
Standard schematic diagrams
Printed circuit boards

2-1
2-2
2-5,6

COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.

Area Suffix

E ---- Continental Europe

EX -------- Central Europe

No.49816SCH

2003/03

KS-FX742R

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.

2-4

Block diagram

5

KS-FX742R

SUB

MOTOR

SWITCH

TAPE END.STANDBY

MAIN

MOTOR

HEAD

CN403

4

TO CD CHANGER

J801 CP901

SCK
SI/SO

3

IC801

JVC BUS

CH.L
CH.R

JBUSSI
JBUSSO

JBUSIO

2

J1

AM
FM

JBUSSCK

TU1

AM/FM TUNER PACK

Main amp section

SEEK/STOP

SD/ST

SM,FMEO

AMEO,FM/AM

MONO,FMOSC

AFCK,SK/ST

TO SPEAKER
CONNECTOR TO REAR LINE OUT

J321

L/R F
L/R R

LRO
RRO

IC301

POWER AMP.

OUTLR
OUTRR
OUTLF
OUTRF

IC161

E.VOLUME

TU.L
TU.R

TAPE.L
TAPE.R

IC701

MAIN SYSTEM CONTROL CPU

F/R
MODE
STANDBY
FF/REW
MOTOR
SUBMO
SUBMO
TAPEIN
DOLBY
MS
REEL

KEY 0 – 2

+

-

CN401

CP401

CJ601

CP701

MOTOR

TAPEIN

MODE

STANDBY

PHOTO
REEL

F/R
MSOUT

LCH

RCH

FF/REW

SUBMO+
SUBMO-

CLOCK

CN402

SUBMO+
SUBMO-

DC MOTOR DRIVER

COM0 – COM3

IC651

LCD DRIVER

KEY

– S619

S601

LCD & Key control section

FWD-L
FWD-R
REW-L
REW-R

IC401

PB EQ

IC402

Head amp section

LCD1

S3 – S52

1

AB CD E F G

2-1