JVC DVA5 Schematic

MX-DVA5

SCHEMATIC DIAGRAMS

COMPACT COMPONENT SYSTEM

MX-DVA5

Supplement

CD-ROM No.SML200203

Because there were many mistakes to the SERVICE MANUAL MX-DVA5 (20966),
please use this supplementally for servicing

Area suffix
US ---------------------- Singapore

UW ---------- Brazil,Mexico,Peru
UY ----------------------- Argentina
UG - Turkey,South Africa,Egypt

Contents

Block diagram
Standard schematic diagrams
Printed circuit boards

2-1
2-2
2-9

COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.

No.20966CSCH

Mar. 2002

In regard with component parts appearing on the silk-screen pr inted side (par ts 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.)

Block diagram

MX-DVA5

H/ P

5

HCW2

OCW

RCW6

HCW3

TO TUNER

FCW1UCW6

REMOCON

STAND-BY

USW1

USW2-6

FCW3

FIC4/ HIC1

BA4560X2

MICOM

LC86P6548

UCW5

UCW1

OP/ CL

USW7

4

AUX

UCW3

VFD

UX1 UX2

MASTER
VOLUME

SOURCE

74HCU04

OIC1

D.OUT

SELECTOR

& E.VOL

TDA7442D

FIC1

VOICE IC

M65855
TAPE IC

ECW1

UCW4

UCW2

UCW7

BASS

LEVEL

KA22291

SOUND

3

RW2 FCW2

VCW1

KCW1

KCW2 JCW2

JCW1

KEY

LEVEL

USW8-14.19.20

30-32

ACW2

CW301

ACW1 ACW3

CW302

AUX9 TUNER10

CD11 TAPE12

STK

B- B+ B-

402-

2

040

TO SPEAKER TO WOODER

STK
402-

090

MIC AMP

BA3837

KEY2

USW15-18.21-29

MCW1

MCW2
MCW3

ACW4

MIC JACK

LCW8

LCW5

LCW2

LCW6

TAPE-DECK

LCW1

LIC10
7808

1

LIC8
78R33

LIC7
78R05

LIC6
78R05

LIC9
78R08

LCW4

A-DECK B-DECK

FAN

POWER

-SUPPLY
CIRCUIT

POWER
TRANS

LCW7

ABCD E F G

2-1

Standard schematic diagrams

Main section

5

TO SHEET 3/7 A-5 UCW6

4

MX-DVA5

MX-DVA5

TO SHEET 2/7 A-5 ACW1

MAIN signal
PRE MAIN signal
TUNER signal
CD signal
TAPE P.B. signal
TAPE REC. signal

TO SHEET 5/7 H-4 DCW1

TO SHEET 2/7 A-4 ACW2

3

TO SHEET 3/7 A-2 MCW1

TO SHEET 5/7 H-2 ACW4

TO SHEET 2/7 G-5 LCW4

2

1

TO SHEET 2/7 F-3 LCW5

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

2-2

SHEET 1/7

HABC DEFG

MX-DVA5

Amplifier section

TO SHEET 6/7 H-5 CW1

5

TO SHEET 1/7 F-5 FCW2

TO E-4 LCW1

TO A-4

TO SHEET 1/7 G-3 P.T

4

TO SHEET 1/7 F-1

TO SHEET 1/7 F-3 RW2

TO SHEET 5/7 F-4 VCW2

3

2

MAIN Signal

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

1

SHEET 2/7

ABCD E F G

2-3

Front control section

MX-DVA5

MX-DVA5

TO UCW7

TO SHEET 5/7 A-1

5

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

TO SHEET 1/7 A-5 FCW1

4

TO UCW2

3

2

TO SHEET 1/7 A-3 ECW1

1

2-4

SHEET 3/7

HABC DEFG