Akai GX-630D User manual

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5

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X-630D

STEREO

TAPE

DECK

OPERATOR'S

MANUAL

'§

C0000,

WARNING

To

prevent

fire

or

shock

hazard,

do

not

expose

this

appliance

to

rain

or

moisture

MANUFACTURED

&

DISTRIBUTED

BY

AKAI

ELECTRIC

CO.,

LTD./AKAI

TRADING

CO.,

LTD./AKAI

AMERICA

LTD.

CEE,

CSA,

and

UL

Standard

models

are

not

equipped

with

a

Voltage

lector

and

Cycle

Change

Switch

Therefore,

voltage

and

cyc

nyersion

is

not

necessary.

If

your

machine

corresponds

to

any

of

these

standards,

please

disregard

all

references

to

voltage

and

c

adjustment

throughout

this

manual

CEE

Model:

20

V,

50

Hz

CSA

Models:

120

V,

60

Hz

UL

Models:

120

V,

60

Hz

.

Connections

For

Playback

.

INDEX

ü

Controls

. E

.

Operating

Precautions

.

apud

4—Track

Stereo

Recording

and

Playback

System

4—Track

Monaural

Recording

and

Playback

System

Tape

Loading.........

Tape

Speed

Selection

Sound

Monitoring

.

Automatic

Stop

...

Direct

Function

Change

Control

.

Playback

Connections

For

Recording

Recording

...

Sound

Mixing

Absentee

Recording

....

Tape

Erasing!

«n

Tape

Splicing

and

Editing

»

Head

Block

Cleaning

.

Head

Demagnetizing

...

Voltage

and

Cycle

Conversion

.

Standard

Accessories

...

Technical

Data

.

Trouble

Shooting

Chart

.

+

wom

uo

9

5

waimRi

CONTROLS

10.

M.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

HEAD

COVER

Houses

head

block

including

GX

recording,

GX

playback,

and

erase

heads.

BUILT-IN

REEL

RETAINER

(left)

To

lock

reel

firmly

into

place,

pull

tip

of

retainer

outward

and

turn

to

left

or

right.

SUPPLY

REEL

TABLE

VU

METER

(left)

Indicates

left

channel

recording

and

play!

IMPEDANCE

ROLLER

TAPE

TENSION

LEVER

Provides

ideal

tape

tension,

INDEX

COUNTER

AND

RESET

BUTTON

REEL

SIZE

SELECTOR

7140"

when

using 10-1/

ack

levels.

reels

and

to

“7

when

using

Set

to

7-1/2

or

3-3/4

ips

POWER

SWITCH

TAPE

MONITOR

SWITCH

to

SOURCE

position

to

monitor

source

and

to

TAPE

position

for

playback

or

private

headphone

listening,

OUTPUT

LEVEL

CONTROL

Adjusts

output

level

during

playback.

Set

to

correspond

with

amplifier

input,

HEADPHONE

JACK

Accomodates

8

ohms

impedance

type

stereo

headphones.

MICROPHONE

JACKS

(left/right)

BUILT-IN

REEL

RETAINER

To

lock

reel

firmly

into

place,

pull

tip

of

retainer

outward

and

turn

to

left

or

right.

TAKE-UP

REEL

TABLE

VU

METER

(right)

Indicates

right

channel

recording

and

playback

levels.

PINCH

WHEEL

Presses against

capstan

to

transport

tape.

CAPSTAN

RECORDING

(REC)

BUTTON

Depress

this

Button

and

the

Play

Be

Button

simultaneously

to

effect

recording

mode.

*

Caution:

Be

sure

to

depress

the

Track

Selector

Switch(es)

prior

to

effecting

recording

mode.

REWIND

<a

BUTTON

Rewinds

tape

at

high

speed.

AUTOMATIC

STOP/TAPE

TENSION

LEVER

STOPE

BUTTON

PLAY

B

BUTTON

Advances

tape

for

recording

or

playback

mode,

FAST

FORWARD

B®

BUTTON

Advances

tape

at

high

speed,

'cording

to

desired

speed.

26.

27.

28.

29.

30.

3l.

32.

33.

34.

35.

36.

31.

38.

PAUSE

SWITCH

Depress

to

temporarily

suspend

tape

travel

during

recording

or

playback.

Espei

y

convenient

for

editing

tape.

Simply

depress

when

a

certain

portion

of

the

program

is

not

desired.

*

Pause

Control

does

not

function

during

Fast

Forward

or

Rewind

Mode,

RECORDING

INDICATOR

LAMP

Lights

to

confirm

recording

mode.

MICROPHONE/LINE

INPUT

LEVEL

CONTROLS

(right)

Larger

outer

control

adjusts

right

line

input

and

smaller

center

control

right

microphone

input

1

rel.

Adjust

while

observing

right

VU

Meter.

MICROPHONE/LINE

INPUT

LEVEL

CONTROLS

(left)

Larger

outer

control

adjusts

left

line

input

and

smaller

center

control

left

microphone

input

level,

Adjust

while

observing

left

VU

Meter,

TAPE

SELECTOR

SWITCH

WIDE

RANGE

(In):

Set

to

this

po:

ion

when

using

Wide

E

(Out):

Set

to

this

position

when

using

Low

Noise

LN-150-7

or

Scotch

#211

Low

Noise

Tape

is

andard

for

this

machine.

The

use

of

regular

tape

is

not

recommended.

*

Set

Wide

Range

position

only

when

using

special

wide

range

tape

of

a

grade

higher

than

low

noise.

RECORDING

MODE

SWITCHES

(Left

and

Right

Channel

Track

Selectors)

Depress

left

or

ight

channel

multaneously.

Be

sure

to

select

track(s)

prior

to

effecting

recording

mode.

CYCLE

CHANGE

SWITCH

(CEE,

CSA,

UL

and

LA

models

not

equipped

with

this

facility)

Set

to

50

Hz

or

60 Hz

position

according

to

area

power

source.

REMOTE

CONTROL

JACK

Remote

control

of

all

operating

functions

can

be

accomplished

with

optional

a

ry

Remote

Control

Unit

RC-17.

=

Absentee

recording

can

also

be

accomplished

by

using

Remote

Control

unit

RC-17

together

with

a

timer.

(See

ABSENTEE

RECORDING

procedure).

UNIVERSAL

VOLTAGE

SELECTOR

(CEE

models

not

equipped

with

this

facility)

For

voltage

and

cycle

change,

refer

to

VOLTAGE

AND

CYCLE

CONVERSION

procedure,

A.C.

CORD

LINE

OUTPUT

JACKS

(left/right)

DIN

JACK

A

DIN

Jack

en

provided

on

thi:

connection

with

an

amplifier

through

However,

to

prevent

cross

talk

between

DIN

during

recording,

the

DIN

output

signal

monitoring

through

an

amplifier

cannot

be

monitoring

during

recording

is

desi

Headphone

Jack.

LINE

INPUT

JACKS

(left/right)

ght

selector

for

monau

Or

stereo.

recording,

|

recording

on

left

or

lepress

both

switches

Caution

CSA,

UL

and

LA

model

facilitating

gle

Din

Cord.

put

and

output

cut.

Therefore,

‘complished.

If

d,

use

the

tape

deck

eee

PRECAUTIONS

Your

machine

requires

constant

voltage

for

optimum

performance,

If

voltage

and

cycle

change

is

necessary,

refer

to

VOLTAGE

AND

CYCLE

CONVERSION

pro-

cedure.

As

dirty

or

magnetized

heads

become

the

source

of

loss

of

sound,

sound

‘drop-out,

distortion,

and

other

recording

and

playback

failures,

the

heads

should

be

kept

clean

and

demagnetized

at

all

times.

recorded.

A

test

recording

is

recommended

before

making

a

final

recording.

*

Akai

LN—150—7

or

Scotch

#211

Low

Noise

Tape

is

considered

standard

for

this

machine.

The

use

of

regular

tape

is

not

recommended.

Set

to

Wide

Range

position

only

when

using

special

wide

range

tape

of

a

grade

higher

than

low

noise

tape.

As

tapes

which

have

not

been

used

for

a

period

of

time

may

have

become

sticky,

run

tape

once

before

using.

Always

store

tapes

in

a

cool,

dry

place.

Should

there

be

a

problem

with

your

machine,

write

down

the

model

and

serial

numbers

and

all

pertinent

data

regarding

warranty

coverage

as

well

as

a

clear

description

of

the

existing

trouble

and

contact

your

nearest

authorized

Akai

Service

Station

or

the

Service

Department

of

Akai

Company,

Tokyo,

Japan.

*

Place

machine

on

a

flat

level

surface

and

operate

in

either

a

vertical

or

horizontal

position.

*

Do

not

place

anything

on

top

of

the

unit

which

will

obstruct

the

ventilator.

*

If

the

sound

sources

are

so

far

away

from

the

micro-

phones

that

the

input

level

controls

must

be

turned

to

maximum,

some

hum

or

noise

will

inevitably

be

STEREO

[xm]

Track

1

BN

Stereoti-

Tracki

us

2

R=

2

NW

R24

3

MN

Stereo

Ri

3

Ri

4

=

4

E

oe

E——T

MONAURAL

Track

1

N

v:—

O

E

2

a=

s

=

x

4

2-4

CJ

r-——I

[

——]

Track

1

Mono

1--

2

=

E

3

3=

4

2=

|

=

oO

4-TRACK

STEREO

RECORDING

AND

PLAYBACK

SYSTEM

Stereo

recording

requires

the

simultaneous

use

of

two

tracks.

For

stereo

operation,

depress

both

Recording

Switches.

The

first

stereo

recording

takes

place

on

tracks

1

and

3,

and

the

second

on

tracks

2

and

4

after

the

reels

have

been

inverted.

The

first

stereo

playback

takes

place

on

tracks

1

and

3,

and

the

second

on

tracks

2

and

4

after

the

reels

have

been

inverted,

4-TRACK

MONAURAL

RECORDING

AND

PLAYBACK

SYSTEM

4-track

monaural

recording

sequence

is

1-4-3-2.

For

monaural

operation,

depress

the

left

Recording

Switch.

The

first

recording

takes

place

on

track

1

and

second

on

track

4

after

the

reels

have

been

inverted,

For

recording

on

Tracks

3

and

2,

depress

the

right

Recording

Switch.

The

third

recording

takes

place

on

track

3,

and

the

fourth

on

track

2

after

the

reels

have

been

inverted.

4-track

monaural

playback

sequence

is

also

1-4-3-2,

but

if

monaural

recordings

have

been

made

on

both

the

left

and

right

channels

of

the

tape,

set

the

left

or

right

output

level

control

of

the

external

amplifier

to

minimum

at

playback

time

so

that

only

the

desired

channel

is

audible.

*

Do

not

depress

the

Recording

Switches

for

playback.

PARE

LOADING

.

Place

a

full

reel

of

tape

on

the

supply

reel

table

and

an

empty

reel

on

the

take-up

reel

table.

2.

Lock

both

reels

into

place

by

pulling

tip

of

reel

retainers

outward

and

turning

to

left

or

right.

.

Unwind

about

an

85

cm

length

of

tape

from

the

supply

reel

and

thread

the

tape

as

shown

by

the

dotted

lines

in

the

figure.

4.

Insert

end

of

tape

in

slot

of

empty

reel

and

wind

around

reel

hub

two

or

three

times.

.

Continue

winding

tape

onto

take-up

reel

until

all

slack

has

been

taken

up.

pm

When

using

104"

reels,

place

the

standard

accessory

reel

adapter

hubs

on

the

left

and

right

reel

tables

and

lock

into

place

by

pulling

tip

of

reel

retainers

outward

and

turning

to

left

or

right.

When

using

10%”

plastic

reels

Fit

hubs

over

reel

tables

so

that

the

white

lines

on

the

inner

and

outer

adapter

hubs

are

aligned

and

match

these

lines

with

the

dot

on

reel

table.

T

When

using

10%’

metallic

reels

Fit

hubs

over

reel

tables

so

that

the

white

lines

on

the

inner

and

outer

adapter

hubs

are

aligned,

but

do

not

match

with

dot

on

reel

table.

(This

provides

the

neccessary

spacing

for

the

difference

in

plastic

and

metal

reel

thickness).

TAPE

SPEED

SELECTION

This

model

can

be

operated

at

74

ips

or

3%

ips

tape

speed.

Stereo

recording

time

using

an

1800

ft.

tape

is

3

hours

at

3%

ips

and

1.5

hours

at

7%

ips.

(6

hours

at

3%

ips

and

3

hours

at

7%

ips

for

monaural).

lel

SOUND

MONITORING

For

private

headphone

listening,

connect

stereo

headphones

and

set

the

Monitor

Switch

to

TAPE

position.

For

more

precise

recording

level

adjustment,

set

Monitor

Switch

to

SOURCE

position

and

monitor

signals

through

headphones

while

adjusting

input

level

controls

Dual

monitoring

for

a

more

professional

recording

can

also

be

accomplished

by

switching

the

Monitor

Switch

to

and

from

TAPE

and

SOURCE

to

compare

the

just

recorded

signals

with

the

input

source.

*

Set

Monitor

Switch

to

TAPE

po:

speaker

system.

*

Monaural

headphone

listening

cannot

be

accomplished

if

different

mon;

recordings

have

been

made

on

both

the

left

and

right

channels

of

the

tape

(Signals

from

both

channels

a

heard

through

headphones),

When

using

the

DIN

Jack,

monitoring

through

an

amplifier

system

during

recording

cannot

be

accomplished.

(If

monitoring

during

recording

is

desired

w

n

using

the

DIN

Jack

connection,

utilize

the

Tape

Deck

Headphone

jack).

on

for

plavback

through

a

AUTOMATIC

STOP

At

the

end

of

the

tape,

the

Automatic

Stop/Tape

Tension

Lever

drops,

activating

the

automatic

stop

mechanism

to

stop

reel

movement.

This

automatic

stop

safety

feature

is

especially

cónvenient

when

the

recorder

is

left

unattended.

DIRECT

FUNCTION

CHANGE

CONTROL

This

model

features

feather-touch

Full

Direct

Function

Change

Control.

The

necessity

of

depressing

the

Stop

Button

prior

to

changing

modes

is

eliminated.

The

inclusion

of

direct

function

change

to

recording

mode

facilitat

add-on

recording.

s

easy

CONNECTIONS

FOR

PLAYBACK

The

Din

Jack

can

be

used

instead

of

the

Line

Input/Output

Jacks

for

connection

with

an

external

amplifier.

This

enables

recording

and

playback

with

a

single

Din

Connection

Cord.

SPEAKER

SPEAKER

=

=

3

sn-

WW

RCA/RCA

DIN/DIN

DIN/RCA

For

private

^

headphone

Connection

Cord

Connection

Cord

Connection

Cord

listening,

use

stereo

head-

phones

of

8

ohms

imped-

ance.

T

[8]

PLAYBACK

Make

necessary

connections

as

shown

in

CONNECTIONS

FOR

PLAYBACK

and

load

a

prerecorded

tape.

Stereo

Playback

l.

Connect

power

cord

and

turn

on

Power

Switch.

2,

Set

Reel

Size

Selector

according

to

size

of

reel

being

used

and

select

tape

speed

3.

Set

Monitor

Switch

to

TAPE

position.

4.

Depress

Play

B

Key

to

begin

playback.

5.

Adjust

Output

Level

Control

and

amplifier

controls,

6.

Invert

reels

for

playback

of

tracks

3-2.

Monaural

Playback

Monaural

playback

is

effected

in

the

same

way

as

stereo.

However,

if

monaural

recordings

have

been

made

on

both

the

left

and

right

channels

of

the

tape,

at

playback

time,

set

the

left

or

right

output

level

control

of

the

external

amplifier

to

minimum

so

that

only

the

desired

channel

is

audible.

Monaural

headphone

listening

cannot

be

accomplished

if

different

monaural

recordings

have

been

made

on

both

the

left

and

right

channels

of

the

tape

(Signals

from

both

channels

are

heard

through

headphones)

LU

CONNECTIONS

FOR

RECORDI

a

The

Din

Jack

can

be

used

instead

of

the

*

Monitoring

during

recording

cannot

be

Line

Input/Output

Jacks

for

connection

accomplished

through

an

amplifier

with

an

external

amplifier.

This

enables

aing

giat

paar

the

Iun

aei

nbi

recording

or

playback

with

ca

`

single

e

D

EE

connection

cord.

In

this

case,

the

input

level

Bhohe

Jack.

,

is

adjusted

with

the

Microphone

Level

Con-

trols.

T

Stereo

Amplifier

E

e

$000

»

0000

a

Magnetic

cartridge

Stereo

tuner

Stereo

tape

deck

or

recorder.

Crystal

or

ceramic

turntable

Do

not

use

Din-Din

cartridge

turntable

connection,