Ekotape 212 Service manual

PHoToFACT*

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EKOTAPE

MODET

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CONTROT

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JACK

VOTUME

CONTROL

GENERAL INFORMATION

RECORD

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CONTROT

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SPEAKER

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The Webster

cabinet,

rialonstandardwidthrecordingtape,

of tapewithnolossoffrequency

vision receiver

the

to

HOWAR.D

orcarryingcase. TheModel2l2isdesignedto

The Model

taperrecording

Thisunitisdesignedto

your

line

supply,

lf.

Electric

phonograph,

or

2t2

time is as

Size Reel

5tt

7"

be

sAils

Ekotape

has

two tape

follows:

operate on

absolutely

Fhis moteriol

Recorder

which

response

addition

in

speeds,

60 cycle,

certain

Manufactured

Webster

Racine,

& co.,

Model?LZ is

doubles

quality.

or

to

those

3 3/4"

3 3/4"Speed

t

hour

2 hours

that it agrees

115

Electric

Wisconsin

compiled

ond

lNc.,

for

custom

record

playing

the

Recording

directly

made

112"

and 7

volts,

with

by:

Company

published

ptay

and

time

can

be

from

per

second.

AC supply

the above

by

INDIANAPOLIS,

installation

back

two

a

of

standard

made

from a radio,

the microphone.

Using

? 1/2"Speed
1/2

hour

t

hour

only.

Before

specifications.

and

tracks

of

5'*

or ?t'reel

both tracks

connecting

INDIANA

has

mate-

tele-

no

of

Copyright

DATE

12

-

1915

55

.

All Rights Reserved

$rT

301

TOTDER

1

Figure 2

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Preparing

1. InserttheAC

on

right

the

2.

ceptacle

3.

ply"

spindle

wind

in

a clockwise direction.

NOTE:

The Ekotape

tape, i. e. the dull magnetic

inward

"8"

will

playback

4.

"take-up"

5. Unwind

holding

sert

coated

a section

the tape

side

OPERATING INSTRUCTIONS

The

Ekotape For

Plug
of

the

side of

t h e

proper

the

AC

Place a reel

(9)

in a manner

isdesigned

on the

(coated
be made at a very low

side facing

will

be almost inaudible.

Place an empty

spindle.

Recording-

power

cord into

unit.

cord into
rating.

of tape on the left

so that

touse Type

reel.

If

t h e tape used i s Type

outward) the recording

reel

on the

approximately 10"

of tape straight

in the tape

of the tape faces

slot making sure the dull

front

the

the receptacle

a

convenient

hand or

the tape will un-

"A"wound

coated side

sound level

right

of tape and, while

with

both

of

the

hands, in-

recorder.

wall

"sup-

faces

and the

hand

re-

or

6. Insert the

hub of the

radial

three

sition,

the tape
up between

To Make A

threaded,

turn the reel several

is

1.

After the

"take-up"

secured

reels.
Recording-

turn

free

end of the tape

reel,

slots. While holding

the r

to

recording tape

the

"On-Off"

sition.

2. Turn the mechanism

ward".

3.

the

"Record"

NOTE: The

in

anism control knob

Turn the

the

"Record-Listen"

position.

"Record-Listen"

"Record"

position

sition.

4. Turn

the

"Volume"

incoming signal causes

flicker

on the

occasionally. A

tape.

f orcing

turns

e e I and all

control

control knob

through to the

it into one

the tape in this

(clockwise)

slack

has

been

to the

(2)

selector

selector knob will stay

only when the mech-

(2)

is in the

"Forward"

control clockwise

the

"Record

recording

Indicator" to

now

is

being

of the

until

is

taken

properiy

"On"

to

"For-

knob

until

made

po-

po-

to

po-

the

Page 2

To

Record From

1. Insert

jack,

located

2. Followthe

Make

"To

3. Best results

phone

is kept closer

walls

in the

sounds as

NOTE:

To Record
Television

The microphone

feet

ing

position.

Microphone-

the

microphone

on the left side

instructions

A

Recording",

recording area

they rebound

away from

unless the

to the

"Speaker

From Radio

Receiver-

plug

into

the

of the

under

will

be obtained

source of sound

prevent

to

off

the walls.

should be kept

the loudspeakerduringrecord-

Or

control knob is in

"

panel.

top

the heading

"Mic.

if the micro-

than to any

echos of

at least three

"Off

of

the

properly

cording as describedunder

"

,

ing".

NOTE:

To Play A Recording-

1.

mechanism

2. Actjust

suit.

"

3.

right

on the

sition.

thread

Since it

"track"

which

is impossible

without

are to

track only.

With

the tape

control

Besure

side of the

the tape, and continue your

"To

(2)

top

to edit and

the other, recordings

threaded,

the

to

"Forward"

and

"Tone"

"On-Off"

panel,

is in

affecting

be edited should

properly

knob

the

"Volume"

thespeaker

MakeARecord

splice one

be limited

switch, located

turn the

position

controls

the

"On"

to

re-

-

one

.

to

po-

Recordings

vision receiver

speakerl

however,

satisfactory

microphone
tape. A superior

of Radio

as

Cord Attachment.

follows:

1. Connect

terminals

2. A

provided

end

To

Record From

Attachmenttotheendsof
graph
marked
as

described

NOTE:

terminal strip marked

on the bottom

cord

of

3.

Set the radio

playing,

described

1" Connect

and

Radio-Pho-Input.

Shoulda

can

placing

by

this type

as

other sounds may

which as a result

quality

the

on the radio

should be connected here.

then operate

under

Phonograph-

alligator

the

then connect

under

"To

hum develope

tions, reverse

leads.

To

Rewind-

made

be

recording

cord clips across

from a radio

the microphone

recording

of

may

Connect attachment

picked

be

recorded

be

can

or television

Rad-Pho-

of the chassis,

or television

receiver for

the Ekotapecontrols

Make

"To

thepickup

the

Make

the

A Recording".

clips

of the Radio Cord

leads

other end to the

Proceed with

A Recording.'.

from

the above

cord clips

or tele-

near

be made by use

the

lou&

the

may not

up

by the

on

voice

speaker,

be

the

cord

coil

Input

and the

of the

other

soft

as

phono-

terminal

recording

the

connec-

on the

pickup

Fast Forward-

If it is desired

endof atape ina few

(2)

knob

Forward"

15

per

therefore obtained

to the

"Fast

position

normallistening

times

second. The most rapid

the tape

with the speed

reach

to

seconds,

Forward"

moves ahead

speedof 3 3/4

a recording

near

turn rrreehanismcontrol

position.

fast f

control

In

the

approximately

or 7 L/2inches

"Fast

orward speed

set at 7 L/2

the

is

.

is

REMOVING

All service work

assembly,

head

the

assemblies

lever

(51), pinch

(18), pressure

from

of unit

1.

the head

screws

back
unit and lift straight

attaching

To remove

located under

cover

2.

Toremove recordhead

UNIT FROM MOUNTING

with

adjustment

(45

and

roller

and lever assemblies

padassembly

mounting

the

remove

screw and

(5)

about 1/16

all

54), remote lever assembly

board.

the

back cover

control

mechanism

and

up

li-ft off.

exception

the

or replacement

(28),

will require removal

(5)

knobs,

inch

off.

and remove

control

toward the

(?),

cover

BOARD

cleaning

of

of

(22), (23)

for

cleaning of

(2).

knob

front

remove

brake

and

two

Move

of

the

one

6x

H9

F>
Nr!

rm

19

Turn

clockwise
winding

knob

to a

complete

knob

Twin

approximately

the mechanism

into

is completed

(2)into"Stop"

to

any

other function.

Track

Operation-

Model212

1. To record

lift the full reel

turn it over, and

2.

Place the empty reel on the

the

"Rewind"

positionand

stop before moving

is a

control knob

move the

twin-track

half the width

a secondprogram

from the right

place

itonthelefthandspindle.

position.

mechanism control

allow the

the

unit,

of tie

(2)

When the re-

tapeto come

mechanism control

whichrecordson

at

tape

onthe same tape

hand spindle,

right

hand

counter-

one time

spindle

3. For removal

followtheabove instructionsand

panel

on

straight up and

omitparagraph 1, 2and
movetwoscrewslocatedon

Carefully

.

leads, and
sure unit

,

and

two under

off.

4.

To remove

lift

unit

other connections to the

is

completely free

When

5.

reassemblingthe

procedurel plug

marked

clear

;

on the bottom

all moving

of the top

back cover

recorder

3, detachtheAC

from

each

straight up and

of the amplifier,

unit,

the amplifier

of the unit. Be sure

parts

before lowering

panel

assembly

remove

seven

(5).

mounting

line

side

of the top

out, detaching all

amplifier

reverse

leads into

that

into

(13),

screws

panel

Lift

board,

cord, re-

panel.

Make

.

above

the

the unit as

all

leads

place.

Page 3

TRoUBLES AND REMEDIES

Motor

Switch Is

Amplifier

Or

Turned On-

1' check

2.Damaged

@Repair

Damaged

3.

@Replace

4.Defectivepowertransformer,

will

cause the

Inoperafive

see if

to

power

replace.

or

"On-Off"

"On-Off"

amplifier

@Replac"po*e"transformer.

Sound

Is Fuzzy, Faint, Distorted,

No

or

sound-

1. Dirty head.

(a)

Check the

dirty. The

accumulation of tape coating residue, which

recording

is worn off the tape as it

This should be

may

cause faint

Wipe

off the record and erase head contact

surfaces carefully

is caked

dry

carbon tetrachloride.

NOTE: Do

solvent

2.

Over

(a)

cloth,

not use a brush

Correctrecording volume is very impor-

hard and

or

dampen

the head

on

recorded

tant. Too weaka signal, whichdoesnotcause

recordlevel indicator

the

sult in

noise.

dicator to
distortion during

weak

Too strong

g

I

power

When On-Off

is reaching

Fig.ure

Control

recorder'

3

Pad

cord.

control switch.

control

to be

switch

inoperative.

or

record

head

(30)

head is

periodically

recordings

with

passes

and

a

clean cloth.

not

will

the cloth

excessive amount

or

surfaces.

or under

playback

o w continuously, will

recorded

to flicker,

and high background

a signal,

assembly.

orrectifiertubg

rectifier

to see

subject

tube.

if

it is tube

to an of

the head.

removed since it

poor playback

If dirt See

come off

with

a

slightly with

of

tape.

will re-

in-

causing

the

result in

Erasing

.

Failure To

playback. ride.

Arr,plifier

3.

4.

Worn or dirty

Lever Adjustments".

And

pressure

b.

(a)

The

should

holding

head. If

padspring

Incomplete Or

Dirt on face of

1.

(a)

Clean with

ride.

z.

oscillatorcoilassemblyortubenotoperating.

(a)

approximately

3. Defective erase coil

(a)

4.

Pressurepadsworn

"Pressure

Record-

troubte.

pressure pad,

pad

spring

(2g)

pressure pad

pressure

apply

the tape f i r m against

this is not true, check the

(29);

if looseor missing, replace.

No Erase-

play-record

cloth and carbon

soft

Check erase

voltmeter.

Check

Pad

voltage with

There should be

45 volts.

in head.

erase head continuity.

ornot

And Lever

Adjustments".

See

roose or missing.

lever

against the tape,

assembly

the

head.

an AC

properlyadjusted.

1. Record coil open.

(a)

Replace

play-record

head

(30).

2. Insufficient bias voltage.

(a)

Check bias voltage

head w ith an

There should be a

100 volts.

3.

Dirt

(a)

face

on

Clean with soft cloth

AC vacuum

play-record

of

across

reading of

head.

and carbon

tube voltmeter.

approximately

"Pressure

(28)

thus

recording

pressure

tetrachlo-

vacuum

a reading

play-record

tetrachlo-

Page 4