Columbia Records 560 Schematic

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COTUMBIA

,VIODEL

RECORDS

560,

A

fl

Columbia

two

models is

560A

uses a

Models

width

recording

frequency

in addition

These recorders

recording

REEL SIZE

(600

5"

(1200

?"

Models

Before

cations.

connecting

Models

in

the head

two

unit record-erase

560 and

tape.

response.

to those

times are as

ft.

560

)

and

made

to a supply

and

560

used.

560A are

This

Recordings

doubles

directly

have

two

follows:

560A are

line,

General

are

560A

Model

head.

designed

the

can

be made

from

speeds,

designed

be

Columbia

799

New

lnformation

mechanically

560

uses

a

to record

recording

and

from

microphone.

the

3

3/ 4n and

3 31

4" SPEED

I

hour

2

hours

to

operate

absolutely

Supplied

Seventh Avenue

York,

on 60

certain.

by:

Records

N. Y.

alike.

single

unit

play

two

playing

and

phonograph,

a

per

? l/ 2',

cycle, ll0-120

that it

The major

record-erase

tracks

second.

of material

time without

radio

agrees

with

difference

head

loss

between

while

on

of

or television

Using

both tracks,

?

sPEED

|',

hour

I

'houro

volts, AC

supply

the above

model

standard

quality

receiver,

only"

specifi-

the

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INDIANA

FOTDTR

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Figure

I

Fast

Forward

5" Reel, 7" Reel,.

Frequency

3 3/ 7 L/ 2" speed

Bias

and

Bias

Voltage:

Shure

Michicgan

Power

Inputs:

Outputs:

Output:

2

Watts undistorted

3 Watts maximum

Microphone, Radio-Phone,

Two internal

External External-low coil

External

or monitor

Maximum

?"

And Fast

(600

(1200

Response:

speed

4"

Erase

Frequency:

Head,

Mag.

3.2

for

external speaker.

high impedance

in

Reel Size:

(1200

ft.

)

Specifications

ft.

-

l0

Re$/ind

)

65

volts

Head,

to 6000

8500

to

bias

20

Speed

l5

105

cycles

bZ.

volts

I meg. impedance

meg.

.5

speakers

5"

ohm

impedance

speaker

across

for external

Record

or Playback

:

per

KC

bias

(Approx. (Approx.

second

seconds seconds

b

3.2 ohm voice

amplifier

position.

Speed

)

The

placing

or

'Down"

CAUTION: NEVER

the ON-OFF switch

Threading Tape

l. Place

(9),

and an empty

certain the reel slots

2.

center of

position.

3.

a

section

the tape in

coated side

4. Insertthe

radial slots

several

the reel and

To Record

control to the right.

tubes to warm

2. Insert

iack"

3.

speed - 3 3/ 4"

sired

4. Push down on the Play-Record

Control

operating

the speed

position.

for 7 l/ 2"

Turn

the machine

Unwind

of the

the tape slot

faces

in hub

turns,

all slack

From

Adjusi

speed setting

control

"IJp"

pet

a reel

reel

engage

ng

I nstructions

button

for 3 3/ 4"

second.

operate

(12)

of tape

on

the

thepins

Operati

the H.ay-Record

to the fully

about

I0"

tape straight

the

end

of the

clockwise,

Microphone

up.

the microphone

the

of

making

rear

of the recorder"

ofthe

tape-up

until

is

taken

Allow

speed

control

7 l/ 2"

or

with

about

is

accomplished

(I)

in

either the

per

this control unless

is in

the

ON

on the right

left

tape

tape intooneof

up

nby

plate

reel

on the reel

control

the

knob

counterclock-wise

from

the reel" Hold

both hands and

certain

reel.

between the reels.

that the dull

Turn

tape is secured

rotating the

30 seconds

plug

into

(1)

knob

per

second.

control

ilUpil

second and

position.

plate

reel

(9)

making

plates.

(b)

in

the

insert

thethree

the

reel

"Tone,,

for

the

"Mike"

for

the de-

knob

by

to

Page

2

(5)

as faras it willgo. Hold knobdownand

wise until it locks"

about NOT

cord level

tb 12 inches and

6

SHOUT.

indicator flashes

Hold

5.

Note:

important.

flashing

in weak

a

indicator,

To

these

1.

speaker:

the radio speaker.

a normal

Turn recording Microphone".

2.

phone other end.

coil terminals

into

and

level

Microphone".

on the recording level indicator,

playback

signal,

which

will result in distortion during

Record From Radio:

Recordings

methods.

Through

Place

level.

the radio

level andrecord

Though

Make up a shielded

plug

Connect

the

"Radio-Phono"

tone

controls

proceed

and

3. Through a

of the radio:

Make up

phone

plug

the radio

"Radio-Phono"

ceed as

The

set

up,

on one

volume control.

described under

radio

volume

consequently they may be set

microphone

the

Adjust

the volume control until the re-

away

speat in a normal

on the

Correctvolumelevelonrecording isvery

Too weak a signal,

and high

causes continuous flashingof the

background noise. Too strong

from

a radio may

the microphone

the microphone about

a

direct

Turn the radio

Setting it

tone control to

too

connection

which

pickup

by

high

will cause

treble or

as under

to the Radio speaker;

cable with a

on one end and two alligator

alligator

the

of the radio speaker and

jack.

as

described above.

as

described

clips

Set

under

direct connection to the volume

a shielded

end.

Connect the other

jack.

Set the

"To

and tone controls do not alfect this

with a

cable

Insert

the

recording level andpro-

Record from Microphonetl

turnclock-

your

from

mouth

voice. DO

loudest

does

sounds.

not

cause

will result

playback.

be made by one of

from the radio

12"

6" to

volume control to

"ToRecord

across

the

Set the recording

I'To

phoneplug

any

front

in

distortion.

high. Set

From

two conductor

clips on

the voice

insert the

radio volume

end

place.

From

control

across

in the

Record

two conductor

level

the

plug

1

head cover. This wiU

reel at a high speed aslong

position.

NOTE: Do

operation with

except neutral

of

tape will

t}te

the Play-Record

position,

result.

Braling

This recorder contains an automatic

giving

anism

at

tape

fast rewind,

control. The

1o Play

1.

ing Tape".

2. Turn

of

out depressing

3. Adjust

desired listening level.

to

To Use

Plug external speaker

plug

into

ductor

moreaccurate

any time,

simply

tape will automatically

A

Recording

Thread the tape

play-recordcontrol until it locks"

the

An External

the

"Output

plug

as shown

Tip

No Conuection

-

wind the tape

as the knob

not

attempt

when operating on fast forward or

release

"Volurne"

Speaker

fast forward

as damage

tape control. To

the

as described

and'ofonet'controls

through

Jack". Connect

on the desired

control

to the unit

forward

come

under

(5)

clockwisewith-

a

three conductor

is held in

on any setting

brake mech-

this

rewind

or

or tearing

stop the

rewind

or

a stop.

to

rThread-

(12)

the three con-

in sketch.

Conn.

one

end

..l

=P

Connect

out external

To

through

sketch

one lead

to ring

Caution: Donot

speaker attached.

An External Amplifier

Use

Plug

external amplifier

the

a

two

conductor

insert

plug

3.2 ohm

To

plug

into recorder with-

into the

connected as shown in

[Output

Jackfl

9;

F>-

tt

q*

.-fl

>-

o

E'

l,l

To

Regorl From Record Player

1"

If

plug

type

Phono"

listed

plug, Insert the

into

the

To

Record From Television

"To

Dual

the Record Player being used has a

pick-up

on the

Jack. Set

under

"To

2. If

the Record Player has astandard

which is mor'e

plug

"Radio-Phono"

Use one of

Record From

Track

Recording

Leads,

the recording level and

Record From

common,

into the adapter and

the three methods

Radio".

insert it into

Microphone'r.

an

jack.

Receiver

This recorderis designed to record and

one-half the width of the tape

sulting

half

(left)

side.

and

Fast

obtained

in twotrack

of the

tape

side,

turn reeloverandplace

playing

In

reverse the reels to use the other track.

Forward And Fast

High speed forward

pressing

by

recording. Torecord

remove

or recording

the

at a

full reel from the takeup

the

you

Rewind

rewind

or

degired knob

phone

I'Radio-

the

proceed

adapter is needed.

plug

described under

the

type

adapter

play

time; thereby re-

on theother

iton

thefeed(right)

may stop any

operation

(13)

place

may

toward the

as

on

be

And

to

Splice

Connect

To Edit

NOTE: Since

trackwithout

one

should

edited

1. Tape

portions,

quence.

tions, etc.

2.

joining

glossy

the

cessive

In

be

may

or by

Announcements

Unused

For

best results

ends

togetherwith a

side

width.

the record

with

is automatically

put

on the tape.

cording

normal recording

control to the full

without

Tape

it is impossible

affecting

limited

joining

position

erased

Should it be desired

recording new

procedure,

counter-clockwise

the other, recordings to

to one track only.

be edited

by

cutting

selections into another

can

inserted

cut tape

splicing

be

spliced

be

at a slight

joint

butt

tape. Trim off

any recording

tape can

before the new recording is

material, follow the

except set the

and

toedit

out unwanted

between

selec-

for re-use.

and fastening

position.

diagonal,

any

on the tape

to erase a re-

volume

Page

splice

be

se-

on

ex-

3

Spindle

up and

(65) up

obtained.

Take-Up

timingof

trol

shouldstart

the Pressure

the head

(19

and

48)

The

spindles should

down movement.

on spindle

or

down as required

to

Lever Adjustment

the

(5)

(83)

left

in the

Spring

knob

revolvingat

Roller

(39).

be

on take-up lever

take-up

Check adjustment

reel

on

conds.

position

arm

sketch

making bends

Take-Up

tral"

minimum

tape.

without

butonce

the take-up spindle.

Move the control

and

observe

If

adjustment is required,

(85)

iu

on exposed

this

should be

And

When

position

With

reels

the

position

the

adjustment

made.

Feed

the

control knob

the reels

of overrun.

control knob

on theholders,

reels are

volve.

Stops, labeled

(22)

on base

gulate

rewind

leasedl

Fast

much

put

carefully so

Stop

trols

Head Alignment

lined probably

plate

the amount

arm

controls the above action.

of return that

(52)

makes after

not sufficient return

Rewind or Fast Forward

return

a

drag

"C"controls

the rewind side.

up

would not allow

respective

on the

as

to obtain operation

the take-up sidewhile

Adjustment

is

It

extremely important

perfectly

be

low

with

output,

frequencies.

l.

Model

If

complete

holder

individuallvto

installing

HEAD

11/64"

and

plate (22)

base

on head

gauge.

An

when a

(SHURE

560

the SHURE

assembly composed

should

be replaced"

thehead

(

39A)

head

HEIGITT:

3/16") near the mounting

and

(39A)

and

alternate method

gauge

is not available follows:

Adjustments

End Play Adjustment

have from

To adjust loosen

adjusted

andmove

until the

reelholder

play

(43)

back

the

starts

by

position,

sametime

placing

Rewind

knob

action

the

and direction

view.

Caremustbeexercised

and repeated

Reel Drag

(5)

should

Thereshould

(5)

in

the neutral

they mayrevolve slightly,

put

place

in

and

"C"

'T)"

l/ 32,, to l/16'rof

set screw

pulley (bb)

the

correct end

(90)

controls the

(9).

Withthe

thetake-up reel

pulling

the

tape

littleafter

ora

a fully loaded

for about

(5)

to the

described above.

bend ear

playback

on take-up

indicated

trials between

placed

is

stop

on figure 2, located

in

the

prompuy

benoloopingof

position

they should

Theyre-

take-up arm

controls have

would

cause continued

been re-

operation, while

drive

pulleys.

that

the tape. If not

track overlap,

Head)

(88)

belts

Bend these

described

stop

the Head

the result will

loss

or

tDrtcon-

Head requires replacement

of the head

The head holder is adjusted

and sealedatthefactory.

observe the following

Place a

bottom of head holder. Push

tighten set screw

.l?9"

bracket

ofadjusting

and

precautions:

gauge (between

and between

(23).

Remove

the head

play

con-

past

10 se-

when

INeu_

with

and

not

re-

(85)

too

(59)

stops

above.

(39)

of high

the

head

When

down

height

?',

in

the

or

to

be

a).

Remove the

from

the

observed through

be

sure

bracket"

Align

b).

opening is at

as

er)

is

ing of the

c).

With the unit

approach

between

runs against

dication

d).

Make

scribed in Section 3

2"

Model 56OA /Michionn Mrqnctin F{cad\

On units using

simpl.e

alignment

a). Place a full

spindle(19) TaPe".

b). Pull tape tightagainst Heads

rotating

c). Both heads should

edge

top bottom

on the face

d).

When

perpendicular

be

and

horizontally.

e). The faces

a

3.

cycle

good

aeross the spealer While

(39)

mum amplitude

certain that head

cording with hlgh

each the tape, i.

further forward

Output

Besponse

To make

note

has

operating

Connect

playingback

and forth

back

If a

3000

other soas

this adjustment

been recorded

condition

an

cycle tape

pressure

shoe assembly

bracket

so

the head can

theopeningin

(39A)

head

the correspondingbottom

pressure

the take-up reel nearly centered

the flanges

that the head

"Output

procedure

so the

bottom of

same level

the

(or

slightly high-

bracket.

pulling

the bottom

Response"

the

tape, the tape

reel. If

of the

flange it

is

too low.

adjustment as

below.

Michigan Magnetic Head

is as follows:

of the open-

reel of tape on the right

andthread tape. See

reel while holding

one

of the tape

edge of the

then be

is exactly even

ground

of the heads.

in

thisposition

to

of

heads

the

present

to

e.

output meter,

voice

the 3000cyclenote

on mounting

on

output meter

height

note

head should

one

than the

by

will

be

coil of theunittobe adjusted.

has not

cannot

content

to make

down

both the

bracket vertically

should

other"

a

tape on which a 3000

a

unit known

required.

or

screw

is achieved.

been changed.

be make,

"Threading

(26)

the other

positioned

'tlat"

heads shouldalso

j.n

be

a flatsurface

not

AC

tape,

(23)

until maxi-

the adjustment

(36)

thepres-

the head

should

the tape

an in-

is

de-

hand

and(28)

reel.

so

the

with the

section

line with

protrude

to

be

voltmeter,

pivot

head

Make

a

use

re-

a

by

to

in

described above.

Track

4.

cording on a

and

isbackwards,

it

will be necessary

of the move the tracks further

Switch Cam Adjustment

is normally held inthe

on

the

shaft

far enough

Playback to Record.

Overlap

This should

Do notrewind

play

There should

The Play-Record

(70)

blank tape

back

the other

there is trackoverlap.

head

holder

switch arm.

actuates

to allow all

be checked

with the unit

thetape,

by first making

being

merelyreverse

track.

no

be

sound

but, if what is

to adjust

by

bending it upwards.

the tape

apart.

Switchin

the amplifier

playpositionby

Whencam onthe endof

switch,

it should

circuits

to be

a re-

checked.

thereels

Tocorrect this,

heard

guide

on the side

This should

aspringlocated

chassis

thecontrol

move the switch

switched

from

Page

4

Columbia Records 560 Schematic

Specifications and Main Features

Frequently Asked Questions

User Manual