Technics RS-640US Manuale utente

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Technics

TAPE

DECK

RS-640US

OPERATING

INSTRUCTIONS

Before

operating

this

set,

please

read

these

instructions

cormpletely.

VOLTAGE

ADJUSTMENT

AJUSTE

DE

VOLTAJE

REGLAGE

DU

VOLTAGE

BB

2

az

EINSTELLEN

DER

SPANNUNG

SETTING

OF

VOLTAGE

SELECTOR

AJUSTE

DEL

VOLTAJE

REGLAGE

DU

SELECTEUR

DE

VOLTAGE

SEBRS

2

BRK

|

EINSTELLUNG

DES

SPANNUNGSWAHLERS

90

109V

90~109V

|

110~125V

|

200~219V

|

220~250V

AC

110,

115,

117,

120,

125V

AC

220,

225,

230,

240,

250V

LOCAL

VOLTAGE

VOLTAJE

LOCAL

TENSION

LOCALE

Bet

St

AY

FR

HK

RE

ORTL.

NETZSPANNUNG

50/60

Hz

50/60

Hz

50/60

Hz

ABOUT

CASSETTE

TAPE

CINTAS

TIPO

“‘CASSETTE”

LES

CASSETTES

Ht

(ABBR)

BRT

DIE

KASSETTE

C)

co=sy

|

SS

How

to

correct

tape

looseness

Use

standard

cassette

Do

not

use

this

type

DISPOSITIVO

PARA

IMPEDIR

QUE

SE

BORREN

LAS

CINTAS

DISPOSITIF

DE

PREVENTION

D’ENREGISTREMENT

(a

RETA

SZ

BALE

RECORD

D4

LOSCHSCHUTZVORRICHTUNG

Pit

dls

io

Screwdriver

ee

SS

ELT

T_T

For

side

1

»

YP

»

Para

el

lado

1

For

side

2

Br

a

1

RECORD

C)

Para

el

lado

2

eps

aie

FOS

Pourle

caté2

‘Pur

Seite

1

SS

=>

4

Ke)

$50

HA

Ng

Fur

Seite

2

NI

QYY

Cover

hole

with

cellophane

tape

G3

MAINTENANCE

MANTENIMIENTO

ENTRETIEN

Head

cleaning

alles

i

PFLEGE

DES

GERATES

Limpiado

de

las

cabezas

Nettoyage

des

tétes

FGA.

7G

BR

;

Piece

of

wood

Baguette

de

bois

okie

Soft

cloth

Pano

suave

Chiffon

doux

FRAY

th

Fr

___Weiches

Tuch

Ein

Stuck

Holz

Capstan

Pressure

roller

*

DOLBY

and

‘‘Double

D”’

device

are

the

Trademarks

of

the

Dolby

Laboratories

Inc.

ETE

ound

‘inuados

ier

Klang

»

tuner

:

5

ocket

(ENGLISH)

We

want

to

thank

you

for

selecting

the

model

RS-640US

Technics

cassette

tape

deck

for

your

recording

and

playback

enjoyment.

To

obtain

the

maximum

benefit

of

the

many

features

of

this

deck,

please

carefully

read

these

operation

instructions.

OPERATION

NOTES

1.

Use

this

unit

horizontally

~

If,

for

some

reason,

this

unit

must

be

used

at

an

angle

in

order

to

connect

to

the

amplifier

or

other

stereo

equipment,

be

sure

the

angle

does

not

exceed

30°.

2.

Location

Avoid

extremely

hot

(above

100°F.

or

35°C.)

or

extremely

cold

(below

40°F.

or

5°C.)

locations

or

locations

in

direct

sunshine

or

where

subject

to

excessive

vibration,

because

the

performance

of

the

unit

may

be

adversely

affected.

3.

Use

a

power

source

frequency

of

either

50

Hz

or

60

Hz

Because

this unit

has

a

DC

servo-motor,

a

power

frequency

of

either

50

Hz

or

60

Hz

may

be

used.

4.

Power

should

be

within

+5%

of

the

rated

voltage

Note

that

the

unit’s

performance

will

be

uneven,

or

the

unit

may

be

damaged,

if

the

power

exceeds

+10%

of

the

rated

voltage.

5.

Cleaning

of

the

head

assembly

One

of

the

most

important

factors

in

the

determination

of

good

tape

recorder

performance

is

regular

cleaning

of

the

head

assembly.

Refer

to

“MAINTENANCE”

on

page

E-5

and

be

sure

to

always

keep

the

head

surfaces

clean.

VOLTAGE

ADJUSTMENT

(Refer

to

fig.

1.)

Before

connecting

this

unit

to

the

AC

outlet,

make

sure

that

it

is

properly

set

to

your

local

voltage.

This

unit

has

been

set

to

operate

on

the

voltage

indicated

on

the

CAUTION

card

attached

to

the

unit.

If

you

use

the

unit

in

a

different

voltage

area,

readjust

it

to

your

local

voltage

by

setting

the

VOLTAGE

selector

with

a

screwdriver.

ABOUT

CASSETTE

TAPE

(Refer

to

fig.

2.)

The

cassette

tape

used

in

this

unit

Is

the

type

universal

throughout

the

world.

Notes:

1.

Never

attempt

to

pull

the

tape

out

of

the

cassette

openings.

2.

Never

try

to

turn

the

reels

of

the

tape

cassette

by

hand

because

to

do

so

may

loosen

the

tape.

If

the

tape

is

loose

in

the

cassette,

the

tape

may

become

wound

onto

the

pressure

roller

and

result

in

breakage

or

damage.

Tighten

looseness

of

the

tape,

if

necessary,

by

using

a

pencil

as

shown

in

the

figure.

3.

Avoid

using

C-120

cassette

tape

with

this

unit

because

this

tape

can

easily

become

broken,

stretched

or

twisted

if

not

used

with

extreme

care.

4.

Avoid

storing

this

unit

in

places

where

the

temperature

is

high

and/or

where

the

humidity

is

high.

5.

If

the

tape

is

very

tightly

wound

or

unevenly

wound,

fast

forward

it

and

then

rewind

it

before

use.

ACCIDENTAL

ERASE

PREVENTION

(Refer

to

fig.

3.)

Tape

cassettes

have

special

plastic

tabs,

one

each

for

side

one

and

side

two,

which,

if

removed,

prevent

accidental

erasure

of

recorded

material.

These

tabs

can

be

pushed

out

with

a

screwdriver

or

similar

tool.

If

they

are

pushed

out,

note

that,

for

this

unit,

the

RECORD

button

cannot

be

pushed.

If,

for

any

reason,

it

is

later

desired

to

make

a

recording

on

a

cassette

from

which

the

tabs

have

been

pushed

out,

it

is

possi-

ble

to

do

so

by

simply

covering

the

holes

where

the

tabs

were

with

cellophane

tape

and

recording

in

the

usual

way.

CONTROLS

(Refer

to

fig.

5.)

@

TAPE

COUNTER

and

reset

button

@

Cassette

compartment

cover

@

EJECT

button

(EJECT)

@

RECORD

button

(RECORD)

6

REWIND

button

(REW)

(44)

©

FAST

FORWARD

button

(FF)

(>>)

@

PLAY

button

(PLAY)

(>)

STOP

button

(STOP)

(@)

©

PAUSE

button

(PAUSE)

(II

)

MICROPHONE

LEVEL

controls

(MIC

LEVEL)

@

HEADPHONES

jack

(HEADPHONES)

(stereo

headphones-type

plug)

@

MICROPHONE

jacks

(MIC

L-

R)

(phone-type

plug)

@

POWER

switch

(POWER)

LINE

INPUT

LEVEL

controls

(LINE

IN

LEVEL)

@

OUTPUT

LEVEL

control

(OUTPUT

LEVEL)

DOLBY

NOISE-REDUCTION

switch

(DOLBY

NR)

@

PEAK-SIGNAL-CHECK

switch

(PEAK

CHECK)

Recording

indication

lamp

Peak

level/VU

meters

@

TAPE

selector

(TAPE

SELECT)

@)

MEMORY-REWIND

switch

(MEMORY)

@

TAPE

END

indication

lamp

(END

EYE)

@

LINE

OUTPUT

jacks

(LINE

OUT)

@

RECORD/PLAYBACK

connection

socket

(REC/PB)

@

LINE

INPUT

jacks

(LINE

IN)

CONNECTIONS

(Refer

to

fig.

6.)

CONNECTION

NOTES

This

deck

is

designed

for

easy

connection

with

a

stereo

amplitier,

a

receiver,

etc.

These

connections

can

be

made

by

referring

to

the

connection

diagram

and

the

following

instructions:

1.

Do

not

connect

both

a

DIN

connection

cord

and

ordinary

con-

nection

cords

to

this

unit

at

the

same

time

because

to

do

so

will

result

in

abnormal

oscillation

from

the

amplifier,

and

recording

and

playback

will

be

impossible.

2

Note

that

a

DIN

connection

cord

cannot

be

used

to

connect

this

unit

with

another

tape

recorder

because

a

complete

circuit

is

not

made.

3.

When

2

microphones

are

used

in

order

to

record

in

steeeophonic

sound,

be

sure

to

use

2

microphones

which

have

the

same

perform-

ance

and

specification

standards.

When

only

one

microphone

is

used,

connect

it

to

either

MICRO-

PHONE

jack,

and

set

the

MICROPHONE

LEVEL

contro!

for

the

channel

not

being

used

to

the

“0”

position.

CASSETTE

INSERTION

AND

REMOVAL

1.

Push

the

EJECT

button,

and

insert

the

tape

cassette,

with

the

end

where

the

tape

is

exposed

facing

toward

you

and

with

the

fully-

wound

reel

of

tape

on

the

left.

2.

To

remove

the

cassette,

be

sure

to

first

push

the

STOP

button

to

stop

the

taoe

movement,

and

then

push

the

EJECT

button.

FAST

FORWARD

AND

REWIND

Fast

forward...Tape

is

quickly

moved

forward

onto

the

right

reel

by

pushing

the

FF

button.

Rewind

......

By

pushing

the

REW

button,

the

tape

is

rewound

rapidly

to

the

left

reel.

Stop

.........

To

stop

the

rewind

or

fast

forward,

push

the

STOP

|

button.

Caution:

1.

Do

not

push

the

EJECT

button

during

the

fast

forward

or

the

rewind

operation.

Before

pushing

the

EJECT

button,

be

sure

to

first

stop

the

tape

by

pushing

the

STOP

button.

2.

To

change

from

fast

forward

or

rewind

to

playback,

first

push

the

STOP

button.

If

the

PLAY

button

is

pushed

during

the

fast

forward

or

rewinding

operation,

it

will

not

function.

PLAYBACK

1.

For

playback

of

tape

recorded

by

the

Dolby

noise-reduction

system,

set

the

DOLBY

NOISE-REDUCTION

switch

to

the

“FILTER

OUT”

position.

2.

Set

the

TAPE

selector

depending

upon

the

type

of

tape

to

be

played

back.

Type

of

tape

TAPE

selector

position

*

Chromium-dioxide

tape

recorded

Cro

by

70uS

system

|

fad

*

Ordinary

tape

NORMAL

*

Low-noise

tape

*

Chromium-dioxide

tape

recorded

by

previous

system

(1204S)

3.

After

inserting

the

cassette,

push

the

PLAY

button.

4.

Adjust

the

level

and

the

tone

quality

by

using

controls

on

the

amplifier.

5.

After

the

playback

finishes

and

the

tape

has

reached

its

end,

the

automatic-stop

system

functions

to

return

the

PLAY

button

to

its

Original

position,

and

the

operation

is

automatically

stopped.

Notes:

1.

Be

sure.

that

tape

recorded

by

the

DOLBY

noise-reduction

system

is

played

back

with

the

DOLBY

NOISE-REDUCTION

switch

set

to

the

“FILTER

OUT”

position.

lf

the

tape

is

played

back

with

the

switch

set

to

the

‘OUT’

position,

the

treble

sounds

will

be

overemphasized

and

the

sound

will

be

unplea-

Sant

to

the

ear.

2.

The

OUTPUT

LEVEL

control

of

this

unit

can

be

conveniently

used

to

adjust

the

level

of

the

signal

from

this

unit

to

the

level

of

the

signal

of

a

record

player,

tuner,

etc.

For

this

reason,

this

control

is,

on

this

unit,

designed

to

affect

only

the

level

of

the

signal

from

the

LINE

OUTPUT

jacks.

There

will

be

no

effect,

therefore,

upon

the

fluctuations

of

the

meters

nor

upon

the

level

of

the

signal

from

headphones.

RECORDING

|

1.

To

make

a

recording

of

an

FM

broadcast

by

using

the

Dolby

noise-

reduction

system,

set

the

Dolby

NOISE-

REDUCTION

switch

to

the

center

position

(“FILTER

IN’).

To

make

a

recording

of

any

other

sound

source

by

using

the

Dolby

noise-reduction

system,

set

this

switch

to

the

“FILTER

OUT”

position.

To

make

a

recording

by

not

using

the

Dolby

noise-reduction

system,

set

this

switch

to

the

“OUT”

position.

2.

Connect

the

equipment

to

be

used

for

the

recording,

such

as

a

microphone

or

stereo

amplifier.

(Refer

to

“CONNECTION

NOTES”

3.

Set

the

TAPE

selector

to

the

correct

position,

depending

on

the

type

of

tape

on

which

the

recording

is

to

be

made.

(Refer

to

fig.

8.)

Type

of

tape

TAPE

selector

position

*x

Chromium-dioxide

tape

*

Ordinary

tape

*

Low-noise

high-output

tape

4.

Insert

the

cassette.

Be

sure

to

use

a

cassette

which

has

the

two

plastic

tabs

intact.

If

these

tabs

have

been broken

out,

the

RECORD

button

cannot

be

pushed

and

no

recording

can

be

made.

5.

When

the

RECORD

button

is

pressed,

the

unit

isin

the

recording

mode.

6.

The

recording

level

can

then

be

adjusted

to

the

correct

level

by

Adjust

the

recording

level

by

turning

the

MICROPHONE

LEVEL

ot

LINE

INPUT

LEVEL

controls

so

that

the

indication

needles

of

the

peak

level/VU

meters

move

only

within

the

range

indicated

by

on

page

E-1.)

—

NORMAL

Note:

(Refer

to

“ACCIDENTAL

ERASE

PREVENTION”

on

page

E-1.)

introducing

sound

similar

to

that

to

be

recorded.

the

arrows,

even

at

maximum

sound

input.

7.

If

the

PEAK-SIGNAL-CHECK

switch

is

set

to

the

“IN”

position

refer

to

the

section

“ABOUT

THE

PEAK-SIGNAL-CHECK

SWITCH.”

8.

After

all

adjustments

are

finished,

push

the

PLAY

button

while

depressing

the

RECORD

button.

The

tape

will

begin

moving

and

the

recording

will

be

made.

9.

When

the

recording

is

finished

and

the

tape

reaches

its

end,

the

automatic-stop

system

will

function

to

automatically

stop

the

operation.

“MIX’’

RECORDING

“Mix”

recordings

of:

1.

sound

from

the

LINE

INPUT

jacks

and

from

microphones

or

2.

sound

from

the

LINE

INPUT

jacks

and

from

the

amplifier

(con

nected

to

the

RECORDING/PLAYBACK

connection

socket

of

thi

unit)

can

be

made

with

this

unit.

@

How

to

make

“mix”

recordings

.

In

order

to

make

a

well-balanced

“mix”

recording,

use

headphone

to

listen

to

the

sound,

and

adjust

the

LINE

INPUT

LEVEL

contro

and

the

MICROPHONE

LEVEL

controls

as

necessary.

2.

When

a

“mix”

recording

is

not

being

made,

set

those

contro

which

are

not

being

used

to

their

minimum

("0")

position.

—_

ABOUT

THE

PEAK-SIGNAL-CHECK

SWITCH

(Refer

to

fig.

7.)

@

Adjustment

of

the

recording

level

To

adjust

the

recording

level

on

ordinary

tape

decks,

the

level

is

adjusted

so

that

the

indication

needles

of

the

level

meters

fluctuate

at

a

point

as

near

to

(but

below)

the

“0”

point

as

possible.

Because

this

unit

has

a

PEAK-SIGNAL-CHECK

switch,

however,

the

adjust-

ment

of

the

recording

level

can

be

made

as

described

below

for

best

results.

1.

Adjustment

of

the

recording

level

by

using

the

PEAK-SIGNAL-

CHECK

switch

-

@

Set

the

PEAK-SIGNAL-CHECK

switch

to

the

“OUT”

position,

and

adjustso

that

the

indication

needles

do

not

fluctuate

beyond

the

“O

dB”

point.

,

@

Next,

set

the

PEAK-SIGNAL-CHECK

switch

to

the

“IN”

posi-

tion.

Then,

at

a

time

when

the

music

is

pulsating

and

such

rhythm

is

reaching

its

peak,

set

the

MICROPHONE

LEVEL

controls

or

LINE

INPUT

LEVEL

controls

to

a

position

which

will

restrain

the

needles

from

moving

beyond

the

“+6

dB”

point

(referring

to

the

“PEAK

IN’

portion

of

the

meters).

By

so

doing,

the

recording

can

be

made

without

distortion.

@®

Occasionally,

set

the

PEAK-SIGNAL-CHECK

switch

to

the

“OUT”

position

and

confirm

that

the

needles

do

not

move

beyond

the

“O

dB”

point

of

the

upper

part

of

the

meters.

2.

Difference

of

indication

needle

movement

caused

by

setting

the

PEAK-SIGNAL-CHECK

switch

to

the

“IN”

and

‘‘OUT”

positions

Because

the

response

to

sound

signals

by

indication

needles

of

ordinary

level

meters

is

slow,

the

actual

level

of

momentary

signals

is

not

accurately

indicated

by

such

meters.

This

means,

of

course,

that

there

is

always

the

possibility

that

recordings

may

be

distorted

by

large

signals

which

are

momentary.

The

peak

level/VU

meters

of

this

unit

include

a

special

PEAK-SIGNAL-CHECK

switch

which,

when

set

to

the

“IN”

position,

results

in

the

indication

by

the

meters

of

the

level

of

sounds,

even

momentary

sounds,

with

extremely

precise

accuracy.

The

peak

level/VU

meters

of

this

unit

each

have

dual

scale

indica-

tions

which

should

be

read

in

the

following

way:

With

the

PEAK-SIGNAL-CHECK

switch

set

to

the

“IN”

position,

the

scale

is

read

up

to

the

+6

dB

mark

on

the

lower

part

of

the

meters.

With

the

PEAK-SIGNAL-CHECK

switch

set

to

the

“OUT”

position,

the

scale

is

read

up

to

the

+3

dB

mark

on

the

upper

pari

of

the

meters.

The

needle

fluctuation

for

momentary

sound

and

for

continuous

sound

is

shown

in

figure

7.

MONITORING

“Monitoring’’

means

to

listen,

using

headphones,

to

the

sound

being

recorded

at

the

same

time

it

is

being

recorded.

This

is

very

convenient

for

actual

aural

confirmation

of

the

material

being

recorded.

To

monitor,

connect

stereo

headphones

(89)

to

the

HEADPHONES

jack

(HEADPHONES).

Note:

fn

the

same

way

as

for

playback,

an

amplifier

can

also

be

used

for

monitoring.

Note,

however,

if

the

recording

is

being

made

via

a

con-

nection

made

tothe

RECORDING/PLAYBACK

connection

socket,

that

monitoring

can

be

done

only

with

headphones.

HOW

TO

USE

THE

PAUSE

BUTTON

The

PAUSE

button

is

used

for

instantaneous

temporary

stops

and

starts

of

tape

movement

during

recording

or

playback.

When

this

button

is

pushed

to

the

depressed

position,

it

remains

in

that

position

(and

the

tape

stops)

until

it

is

pushed

once

again

(and

the

tape

resumes

movement).

The

PAUSE

button

of

this

unit

has,

in

addition,

one

more

special

func-

tion

which

is

necessary

for

a

recording

or

playback

made

in

conjunction

with

a

timer

connected

to

this

unit.

Thus,

by

pushing

the

PAUSE

button

while

the

power

to

this

unit

is

off,

and

preparing

the

unit

for

recording

or

playback,

the

PAUSE

but-

ton

will

be

automatically

released

and

the

tape

will

begin

to

move

when

power

to

the

unit

is

resumed

(as

controlled

by

the

timer).

RECORDING

WITH

A

TIMER

(Refer

to

fig.

9.)

(Timer

recording

of

FM

broadcasts)

1.

Connections

Connect

the

power

source.

(Refer

to

figure

9.)

Connect

the

sound

source.

(Refer

to

figure

6.)

2.

Insert

a

blank

tape

cassette

into

this

unit,

and

then

push

the

power

switch

to

turn

on

the

power.

3.

Tune

to

the

FM

broadcasting

station

from

which

the

broadcast

will

be

later

made,

and,

with

the

PAUSE

button

of

this

unit

de-

pressed,

then

push

the

RECORD

button

and

the

PLAY

button

and

make

adjustment

of

the

recording

level.

4.

Set

the

timer

to

the

time

at

which

the

recording

should

begin.

lf

the

timer’s

power

was

on,

it

will

now

turn

off

(although

the

opera-

tion

of

the

timer

itself

will,

of

course,

begin).

These

steps

complete

the

preparations

necessary

for

recording

by

a

timer.

When

the

timer

reaches

the

time

to

which

is

was

set,

power

will

pass

through

the

timer

to

this

unit,

thus

releasing

the

PAUSE

button,

and

the

recording

of

the

FM

broadcast

will

begin.

Notes:

1.

When

the

tape

reaches

its

end,

the

automatic-stop

system

will

function

and

the

operation

controls

will

return

to

their

original

positions.

If,

however,

the

timer

used

is

the

type

which

can

be

set

to

turn

off

the

power,

and

it

is

set

to

turn

off

the

power

before

the

tape

reaches

its

end,

the

mechanism

of

this

unit

will

not

bereleased

when

the

power

is

turned

off,

and

it

is

possible

that

the

pressure

roller

may

in

that

way

become

deformed.

It

is

for

this

reason

re-

commended,

if

such

a

timer

is

used,

that

the

tape

be

allowedto

move

until

it

reaches

its

end and thereby

causing

the

automatic-stop

system

to

function

before

the

power

is

turned

off

by

the

timer.

.

To

stop

the

tape

movement,

if

desired,

during

the

recording.

simply

push

the

STOP

button

of

this

unit.

PLAYBACK

WITH

A

TIMER

1.

Insert

the

already-recorded

tape

cassette

into

this

unit

and

make

connections

to

the

power

source

and

for

playback.

2.

Make

a

trial

playback

and

adjust,

if

necessary,

the

volumea

nd

tone

quality

(by

using

controls

on

the

amplifier

to

which

this

unit

Is

connected)

to

the

level

desired

when

the

timer

playback

begins.

3.

Rewind

the

tape

to

the

point

from

which

the

timer

playback

Is

to

begin,

push

the

PAUSE

button,

and

then

push

the

PLAY

button.

4.

Set

the

timer

to

the

desired

time

for

beginning

of

the

pl

ayback.

(Depending

on

the

type

of

timer

used,

the

power

to

the

timer

will

be

turned

off

automatically—if

it

was

on—although

the

operation

of

the

timer

itself

will,

of

course,

begin.)

These

steps

complete

the

preparations

necessary

for

playback

by

a

timer.

When

the

timer

reaches

the

time

to

which

it

was

set,

thep

layback

will

begin.

CHROMIUM

DIOXIDE

TAPE.

M@

The

TAPE

selector

In

order

to

assure

the

best

performance

when

using

chromium-dioxde

tape:

1.

Playback

equalization,

2.

Recording

equalization

and

3.

Recording

bias

can

all

be

changed

at

the

same

time

by

using

the

tape

selector.

As

a

result,

chromium

dioxide

tape

can

be

used

to

obtain

clear

tone

quality,

with

very

little

noise,

and

a

wide

dynamic

range.

Furthermore,

although

a

time

constant

of

1204S

has

previously

been

used

in

tape

recorders

designed

for

use

with

chromium-dioxide

tape,

this

unit

uses

a

time

constant

of

7O0uS

in

order

to

obtain

much

better

performance

from

chromium-dioxide

tape.

The

characteristics

of

this

unit

are

adjusted

for

optimum

use

with

the

following

tape:

For

the

“NORMAL”

position

of

the

TAPE

selector,

standard

cas-

sette

tape

(QP-12R),

which

corresponds

to

type

C-90

(RT-90):

and,

for

the

‘’‘CrO2”

position

of

the

TAPE

selector,

Technics

chro-

mium-dioxide

tape

(RT-60C).

THE

TAPE-END

INDICATION

LAMP

When,

during

recording

or

playback,

there

is

only

a

small

amount

of

tape

remaining,

the

TAPE-END

indication

lamp

will

flash

on

and

off.

C-60,

C-46,

€-30.

Notes:

1.

The

time

at

which

this

flashing

will

begin

may

vary

depending

upon

the

type

of

tape

and

the

manufacturer.

2.

When

some

tape

cassettes

which

have

a

large

hub

(such

as,

for

example,

TDK

SA-C45)

are

used,

the

TAPE-END

indication

lamp

may

not

flash,

or

may

begin

to

flash

only

when

there

is

a

very

small

amount

of

time

remaining

on

the

tape.

DOLBY

RECORDING

HINTS

This

unit

includes

the

Dolby

noise-reduction

system,

which

reduces

tape

noise

to

a

remarkable

degree.

To

briefly

describe

the

way

the

Dolby

system

operates,

at

low

signal

levels

(where

tape

noise

is

most

noticeable),

it

increases

the

level

of

the

high-frequency

portion

of

the

sound

and

then

records

the

sound.

Then,

during

playback,

by

reducing

the

level

of

only

that

portion

which

was

increased

at

the

time

of

recording,

the

tape

noise

can

be

reduced

by

that

same

amount.

elf

Dolby

recordings

are

made

under

conditions

in

which

the

record-

ing

sensitivity

varies,

or

in

which

the

frequency

response

is

not

flat,

the

Dolby

system

cannot

function

with

sufficient

efficiency.

When,

forexample,

recording

sensitivity

is

high,

the

treble

range

will

be

overemphasized.

And,

if

frequency

response

is

poor,

it

will

be-

come

even

further

deteriorated.

It

is

important,

therefore,

that

the

selection

of

the

setting

of

the

TAPE

selector,

and

the

choice

of

the

tape

to

be

used,

be

made

with

deliberate

care.

e

if,

when

a

tape

is

recorded

by

the

Dolby

system,

a

memorandum

is

written

on

the

cassette,

accidental

playback

in

the

ordinary

(non-

Dolby)

way

can

be

avoided.

MEMORY

REWIND

The

Memory

Rewind

system

can

be

used

to

conveniently

return

the

tape

automatically,

during

rewind,

to

any

desired

position.

Convenient

uses

of

the

Memory

Rewind

system

1.

To

return

to

the

beginning

of

a

recording

and

play

it

back

immedia-

tely

after

making

the

recording.

2.

To

repeatedly

begin

playback

many

times

from

the

same

position.

How

to

use

the

Memory

Rewind

system

1.

When,

during

recording

or

playback,

the

tape

reaches

the

point

to

which

it

should

later

be

returned,

push

the

TAPE

COUNTER

RESET

button

to

reset

it

to

OOO.

~

9.

At

the

same

time,

set

the

MEMORY-REWIND

switch

to

the

“ON”

position.

3.

When

the

playback

or

recording

is

finished,

stop

the

tape

move-

ment

by

pushing

the

STOP

button.

4.

Then,

by

simply

pressing

the

REW

button,

the

tape

will

be

auto-

matically

rewound

to

a

position

slightly

prior

to

the

000

position

of

the

tape

counter.

Notes:

1.

Tape

movement

will

stop

immediately

as

soon

as

the

TAPE

counter

shows

any

number

from

900

to

999

during

rewind

if

the

MEMORY-REWIND

switch

is

on.

Be

sure

that

the

MEMORY-

REWIND

switch

is

off

at

all

times

unless

it

is

being

used

for

memory

rewinding

of

the

tape.

2.

After

the

tape

has

been

rewound

to

the

position

desired,

as

described

previously,

rewind

can

be

continued

further,

if

desired,

by

pushing

the

REW

button

once

more.

3.

Tape

movement

will

stop

if

the

MEMORY-REWIND

switch

is

moved

from

the

“OFF”

position

to

the

“ON”

position

during

rewinding

of

the

tape

and

the

TAPE

counter

shows

any

number

from

900

to

999.

4.

lf

the

PAUSE

button

is

pushed

during

the

Memory

Rewind

operation

(or

was

already

pushed

before

the

Memory

Rewind

operation

began),

the

PAUSE

button

will

be

automatically

released

when

the

TAPE

counter

reaches

999,

the

tape

will

not

stop

at

the

previously

selected

part

of

the

tape,

and

will

continue

rewinding

until

its

end

is

reached,

at

which

time

the

automatic-

stop

system

will

function.

AUTOMATIC-STOP

SYSTEM

This

unit

has

an

automatic-stop

system

which,

when

the

tape

comes

to

its

end

during

recording,

playback,

fast

forward

or

rewind,

releases

the

tape-transport

mechanism

automatically

and

places

the

unit

in

the

stop

mode.

The

advantages

of

this

automatic-stop

system

are:

*

Because

the

mechanism

automatically

stops

when

the

tape

comes

to

its

end,

both

the

operating

parts

and

the

tape

itself

are

protected.

(This

unit

is

free

from

problems

such

as

pressure

rolle

deformation

resulting

from

leaving

the

unit

in

the

stop

condition—w

ithout

push-

ing

the

STOP

button—for

a

long

period

of

time.)

FOUR-TRACK,

TWO-CHANNEL

RECORDING

SYSTEM

The

recording

is

always

made

on

the

lower

half

of

the

tape

width.

Two-way

recordings

can

be

made

in

the

following

way,

Tracks

1

anc

2

are

recorded

first,

and,

when

the

tape

reaches

its

end,

turn

the

cassette

over

and

re-insert

it.

Record

in

the

same

mamer

as

before

The

other

two

tracks

will

then

be

recorded.

(Although

this

cassette

stereo

tape

deck

has

the

4-tracks

ystem,

tracks

1

and

2,

or

tracks

3

and

4,

cannot

be

separately

recoded.)

ERASING

When

recording,

any

previously-recorded

material

on

the

tape

Is

erased

automatically.

To

erase

an

existing

recording

without

making

a

new

one,

disconnect

the

microphones

or

other

input

connection

cords,

set

the

MICROPHONE

LEVEL

controls

and

the

LINE

INPUT

LEVEL

controls

to

minimum,

and

operate

the

unit

in

the

same

way

as

for

recording.

All

previous

recordings

are

completely

erased

as

the

cassette

runs

from

beginning

to

end

on

each

side.

MAINTENANCE

(Refer

to

fig.

4.)

The

head

assembly,

the

capstan

and

the

pressure

roller

are

always

in

contact

with

the

tape

during

operation.

Therefore,

they

tend

to

get

dirty

very

easily

and

have

an

adverse

influence

upon

the

sound

quality

and

the

level.

Dirt

can

cause

sound

loss,

noise

and

deterioration

of

the

frequency

characteristics.

Therefore

it

is

occasionally

necessary

to

clean

these

parts

as

follows.

HM

Remove

the

cassette

and

wipe

the

capstan

and

the

pressure

roller

with

a

soft

cloth.

When

the

PLAY

button

is

pushed,

the

head

assembly

becomes

accessible.

Clean

the

head

assembly.

If

the

dirt

is

excessive,

wind

a

small

piece

of

soft

cloth

around

the

piece

of

wood

and

apply

a

slight

amount

of

alcohol

to

it.

Notes:

1.

Don’t

allow

magnetic

materials,

such

as

a

screwdriver

or

a

magnet,

near

the

head

assembly.

2.

When

cleaning,

be

careful

not

to

bend

the

tape

guides.

3.

Don’t

attempt

to

clean

the

cabinet

with

alcohol,

benzine

or

thinner,

because

it

may

damage

the

finish.

If

the

cabinet

is

dirty,

clean

with

a

soft

cloth

dampened

with

a

soap-and-water-

solution.

MEMO

TROUBLESHOOTING.

lf

operation

of

this

unit

does

not

seem

normal,

check

the

following

points

before

requesting

service.

If

the

trouble

cannot

in

this

way

be

determined

and

corrected,

contact

the

dealer

from

whom

it

was

purchased.

1.

After

the

tape

cassette

is

inserted,

the

tape

does

not

move

when

the

PLAY

button

is

pushed.

«Is

the

power

cord

correctly

connected

?

-

ls

the

POWER

switch

pushed

in

to

the

“ON”

position

?

-

ls

the

PAUSE

button

released

?

2.

Although

the

tape

moves,

no

sound

is

heard.

«ls

the

tape

blank

?

-

Are

the

connections

of

amplifier

and

speakers

correct?

«Are

connection

cords

from

this

unit

to

the

amplifier

correctly

connected

?

-

Is

the

level

control

of

the

connected

amplifier

set

to

the

correct

position

?

-

Is

the

monitor

switch

of

the

connected

amplifier

set

to

the

correct

position

?

~

Is

the

OUTPUT

LEVEL

control

set

to

the

correct

position

?

3.

Sound

is

distorted.

«Is

the

recording

level

too

high?

els

the

playback

output

level

too

high

?

«Is

the

input

impedance

of

the

connected

amplifier

appropriate

?

4.

The

RECORD

button

cannot

be

pushed

down.

«ls

the

tape

cassette

inserted

correctly

?

«Have

the

recording-prevention

tabs

of

the

cassette

been

removed

?

5.

Playback

sound

is

hoarse

or

vibrates.

Recorded

sound

is

not

clear.

«

Are

the

head

surfaces

dirty

?

-

ls

foreign

material

adhered

to

the

pressure

roller

and/or

the

capstan

?

SPECIFICATIONS

Track

System:

Tape

Speed:

Wow

and

Flutter:

Frequency

Response:

Signal-to-Noise

Ratio:

Fast

Forward

and

Rewind

Time:

Inputs:

Outputs:

Rec/PB

Connection:

Motor:

Heads:

Power

Requirements:

Power

Consumption:

Dimensions:

Weight:

4-track

2-channel

stereo

recording

and

playback

4.8

cm/s,

(1%

ips)

|

0.07%

(WRMS),

+0.15%

(DIN)

CrO2

tape;

20—16,000

Hz

30—13,500

Hz

+3

dB

30—14,500

Hz

(DIN)

Normal

tape;

20—15,000

Hz

30—12,500

Hz

+3

dB

30—13,500

Hz

(DIN)

DOLBY

NR

tn:

61

dB

(above

5

kHz)

DOLBY

NR

out;

51

dB

(signal

level=250nWb/m)

Approx.

130

seconds

with

C-60

cassette

tape

MIC;

sensitivity

0.3mV/applicable

microphone

impedance

6000—20ka

LINE;

sensitivity

6(0mV/input

impedance

68

ka

LINE:

output

level

0.42V/load

impedance

50kQ

over

HEADPHONE;

output

level

65mV/8Q

5P

DIN

type

1-Electronic

speed

control

motor

1-HPF

head

for

rec/playback

1-Ferrite

head

for

erasing

AC;

90—109/110—1

25/200—219/220—250V

50/60

Hz

(not

necessary

to

change

any

part)

7W

43.2cm(W)

X13.0cm(H)

x

30.1cm(D)

(17°

x5%x"11K")

5.8

kg

(12%

Ibs.)

The

above

specifications

show

the

numerical

value

measured

with

our

standard

tapes

conforming

to

the

IEC

standard.

Specifications

are

subject

to

change

without

notice.

*Manufactured

under

license

from

Dolby

Laboratories

Inc.

Va

Matsushita

Electric

wie

Matsushita

Electric

Trading

Co.,

Ltd.

P.O.

Box

288,

Central

Osaka,

Japan

Printed

in

Japan

QQT1069

FO476t