JVC MX-K50 Administratorhandbuch

COMPACT COMPONENT SYSTEM

No.21121SCH

Nov. 2002

MX-K50 Area suffix

UW --- Brazil,Mexico,Peru

U --------------- Other Areas

SCHEMATIC DIAGRAMS

Contents

Block diagram

Standard schematic diagrams

Printed circuit boards

2-1

2-2

2-7~10

CD-ROM No.SML200211

MX-K50

SP-MXK50 SP-MXK50

CA-MXK50

MPU P

STANDBY/ON

R/RW P

AYBACK

TUNING

CLOCK

/TIMER

DISPLAY

D R

APE

/AM

UND

K50

CD 2

CD 3

ACTIVE BASS EXT ENSION

FULL - LOGIC CONTROL CD SYNCHRO RECORDING

AUX

CD 1

DISC

SKIP

UME

–

ANDBY/

123

456

789

+10

EEP AC

IVEBASS

EX.

EVE

UND

FM M

APE A/B

KARA

KE ECH

FADE

FM/AM

AUX

APE

–

SMXK50UREMOTE CONT ROL

MX-K50

In regard with component parts appearing on the silk-screen printed side (parts side) of

the PWB diagrams, the parts that are printed over with black such as the resistor ( ),

diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.

(This regulation does not correspond to J and C version.)

ABCD E F G

2-1

MX-K50

Block diagram

TUNER

AUX IN

AUX

AUDIO

TAPE P

TAPE R

TAPE P/R

MIC

TAPE R

IC301

MIC AMP

EIC1

ECHO IC

FIC4

FIC2

HIC1

FIC1

SOURCE

SELECTOR

& E.VOL

AIC2

STK402-120

UIC1

MICOM

IC201

DSP

IC301

4ch Motor-D

IC101 RF AMP.&

SS Processor

IC402 Motor-D

IC401 Motor-D

CON 01

JIC1

TAPE IC

HABC DEFG

MX-K50MX-K50

2-2

SHEET 1/5

TUNER signal

MAIN signal TAPE REC. signal

TAPE P.B. signal

CD signal

Main section

Standard schematic diagrams

To UCW6

Sheet 2/5 (5, A)

To CON01

Sheet 5/5 (2, B)

To CW106

Sheet 4/5 (5, G)

To MCW1

Sheet 2/5 (2, A)

To ACW1

Sheet 3/5 (2, B)

CW301CW302

FCW2

To ACW2

Sheet 3/5 (5, B)

CIRCUIT DESCRIPTION

Main

FL display & System control

Amp.

Tuner

SHEET

NUMBER

1/5

2/5

3/5

4/5

5/5

Parts are safety assurance parts.

When replacing those parts, make

sure to use the specified parts.

MX-K50 ASIA MAIN

ABCDEFG

2-3

MX-K50

FL display & System control section

To UCW1

To UCW5

SHEET 2/5

To UCW2

To FCW3

Sheet 1/5 (5, A)

To ECW1

Sheet 1/5 (3, A)

To CW105

Sheet 4/5 (1, E)

To UCW7

MX-G500/K50 ASIA FRONT

HABC DEFG

MX-K50MX-K50

2-4

SHEET 3/5

MAIN signal

Amp. section

To RW2

Sheet 1/5 (3, G)

To FCW2

Sheet 1/5 (5, G)

Parts are safety assurance parts.

When replacing those parts, make

sure to use the specified parts.

ABCDEFG

2-5

MX-K50

SHEET 4/5

CD signal

CD section

To RCW6

SHEET 1/5 (3, A)

SHEET 2/5 (5, D)

Switch boardSensor board

HABC DEFG

MX-K50MX-K50

2-6

Tuner section

To FCW1

SHEET 1/5 (4, A)

FM/ TUNER signal

AM signal

SHEET 5/5

ABCD E F G

2-7

MX-K50

Main board

Headphone jack board

Main board

Printed circuit boards

Voice board

HABC DEFG

2-8

MX-K50 MX-K50

Front board

Front key board

CD switch board

Mic board

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