Grundig TK-830, TK-830-E, TK-830-U Service manual

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Grundig

4"

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on

back

twice. The

standardtape

to Track

thus,

input

recorders

Tape speeds

II

takes approximately

virtuallycontinuous

connections

Majestic

tape.

7

at

ModelsTK830,

The two-track

can

1 l/ 2 and

are

ips

L/ 2

push-button

with

GENERAL

3

two

1. 5

systemis

3/ 4 ips,

hours at

seconds

selection

record and

and

track-to-trackrecording

I NFORMATION

TK830E, and

employed so

play

in

back
giving a playback

4

3 3/

ips.

at

'l

are avallable.

TK830U

that thefull

directions.

both

Electromagnetic

ips and

i/ 2

made. Threetypes

canbe

GRUNDIG MAJESTIC MODEI.S

TK83O. TK83OE. TK83OU

taperecorders canrecord andplay

time of approximately

less than one

length of tapemay beused

changeover

second

of high-impedance

one hour

from

at

3 3/

Track

4

ips;

for

o

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6d

(.)

g

96

i=

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G) fi

e5

L

ltt
F

(a

Two

positions.

II

Stop/Safety button and

orary

superimposed

HOWARD

recordingand

The Trick button

upon

lA/.

previous

a

Majestic

SAfrrS

twoerasing

(Loudspeaker/
Recording button
recording.

I nternational

West

743

Chicago

This moferiol

& CO.,

Copyright

DATI 3

headsare used, offset

Supplied by:

La

-

Eraser Cut-out

depressed, enables a

Sales

Street

Salle

lllinois

10,

compiled and

INC.,

78

c3

.

1959

59

All

Rights

Corporation

pvblished

INDIANAPOtIS

Reserved

forthe respectiveTrack

button),

by

together with

second

recording to be

6,

stT 434

I

Track

and

the Temp-

INDIANA

TOLDTR 5

a
s

\Al

5

-Tl

o

\'l

(?

rfl

v

SPECIFICATIONS

Speeds:

Tape

33/4and7V2iPs

Direction:

Tape

directions vritlout

Both

Reels:

Tape

Madmum,

Running

Time

I l/ 2

3/4ips--60

3

Inputs:

Microphonel

lnput socket.

AM-FM

lnput socket.

Radio-TV-Phono;

input socket.

3 of

Outputs:

External speakerl

socket-

Amplifler;0.6vo1t/

contact

and

6

Output:

watts

Amplifier

inverting

reels.

7"

Tape

minutes
minutes

(Standard

each
each

track
track

per

ips--30

l. 5 millivolts/

tunerl 5mi1livolts/250K,

100 millivotts,/

12 ohms,

5K, contact3ofoutputsocket

input socket.

3 of

(double-ended push-pull

tape

1200-ft.

300K,

lmeg,

contact

output stage)

reels

tape):

contact

I of

contactlof

contact

1 of output

Loudspeaker:

permanent

3

T\rbes:

EF 86,

?1,

EM

TK83O

Voltage:

AC

Suitable

200,

Consumption:

Approximately

Fuses:

x 20

5

fusesl ll?volt--'.2b

AC

amp;

fuse; 0. 12b amp.

HT

TK83OU

voltages:

AC

Suitablefor

(110-12?)'

11?

Consumption:

At b0

60 cps, approximately

At

dynamic speakers,

ECC81,

and

for

220, and

mm,

ECC83,

4 selenium

50 cps AC

240 volts

85 watts

Din 415?1, surge

200'-Zl0V--.09

50and 60cps,

200' 220' and

150'

cps, approximatelY

8L95,

rectiJiers.

only;

amps;

amps.

convertibte.

90

100 watts.

18 x 13 cm

8L95,

(110-127),

117

resisting.

lbO volts--'.0

240 volts'

watts.

EL95,

150,

AConlv'

FastForwardandRewindTime(Standardl200-ft.

7

ips--130 seconds

/2

Automatic

Stop Swttch:

Electromagnetic

Run System:

Tape

Recordingandplaybackin bothdirections,

ated by

Frequency

At

At

Recording

track

buttons.

Range:

7 l/ 2 ips--50 to

3 3/ 4 ips--50

to approximately

Level Indicator:

approximately

15r 000 cps

10,000

Magic eye

Remote Control:

Foot svritch222

for start, stop, and backspacing

tape):

oper-

cps

Fuses:

5 x 20

fusesl U? volts--l.6 ampsl

AC

amps;

fusel 0.125 amp.

HT

TK830V60
AC

cps

Voltages:

Suitable

200, 220, and

Consumplon:

Approximately

Fuseg:

5

x 20 mm, Din

AC fuses;

amps; 200-240
HT fusel

Din 415?1, surge

mm,

200-240

volts--l.0 amp.

for 60 cpe AC

240 volts.

65 watts

415?1,

l1? volts--I.6

volts--l.0

0.125

amp.

resisting.

volts--l.25

150

(110-12?),

1l?

only;

surge resisting.

amps; 150 volts--l.._

amp.

150,

PAGE

2

FIG. I

TOP VIEW OF MECHANISM

FUNCTION

OF

WITH TOP

CONTROLS

PLATE

REMOVED.

o

^

G'

o

\

{

x

o

G,t

o

IlI

\

{

x

o

G'

o

c

o

n

c

z

E'

I

o

3
r

D

ttt

ta

n

=

3

o

('

ll|
F

la

Speed Switch

Set

started,

tape ls

(?

fast

ever,

swltching from

to the

Recording Level

TheRecordlng Level

.

the

recording.

lnput

The

used

to select any one of the three different inputs.

The

marking

appropriate

or

of the lnput

all

input

socket

To select

forward.

fleld,

the

The input

Speed swltch

the

although

moving. Never

2 ips) to

/

its

slow

rlght for 7 l/

Control

Selector

discs

three

above the

sockets

leads can remain

the rear of the recorder

at

one of the lnputs,

white fietd

A

posltion

off

selector

does

positlon

slow to

2

on the left side

at

of the

can

be altered while

durlng

switch

(3

3/ 4 ips)

fast

ips,

to the

knob controlsthe

buttons

the

indicates

not function during

corresponds to the

of

back

pull

the notch of the

the on

particular

before the recordlng

fast renrind from

tape

speed

for 3 3/

left

of

recorder.

the

connected

positlon,

input selectlon.

speed.

possiblel

is

qualityof

recorder

all

at

playback.

the

How-

4

ips.

are

Any

to the

tlmes.

disc

red

a

Volume

is

recording, this

adjusting

phones.

volume.

Tape Counter

readlng may

to

After a

always

and before the

Multi sonic

playing

an external speaker.
sonic tone control

hand

dlsc,

and

Control

The

The tape counter

glven

any

"zero"

The Multisonic

disc,

all

treble notes

position

Off

the

volume

During

be

polnt

recorded

the

Tone

through

back

the treble

notes

0n-Off

control

playback,

noted

tape has

indicator

tape ls

Control

emphaslzes

Switch

is

marked

ls

in

the

reglsters

while recordlng,

on

the

threaded

tone

the built-in

The left-hand disc

boost. By

between

thetwo extremitiesof

are controlled.

red dot.

by a

used for monitoring

buitt-in speakers

this

switch

rt000't

controls the

to

"999".

ild reference

tape may

been

before

control ls

be

logged

on the reel.

the

rapidly

or referenced,

playingthe

used

speakers or through

bass boost,

means

only when

of the

of the middle

During

for

and

or

ear-

The

made.

recorder

Multi-

the right-

the bass

PAGE

.Tl

o

I

rrt

n

l.tl

3

FIG. 2

Bar

Stop

TtreStop

pressed

Safety Button/Temporary Stop Button

buttons

bar

except

stopsthe

the

motor

track

and

buttons

FROM

returns

to neutral.

VIEW OF MECHANI

Track

de-

all

on Track
The recorderwill either
ing to which button

SM

ll Button

The Track II

II, with the tape moving from right to

starts the recorder operating

button

has

recordor

been

play

depressed.

back,

left.

accord-

This button

the depressed

The tape

The same

halting

as

Trick

the recorder ineither record

long

Button- Speaker

The

Safety

not move

will

button also serves

the

as

button

Trick button

sound effects,

The

same button also cuts

ing

the

button

pressing

switches off the

moving

and

lock it.

Recording Button

The

Recording

button to
Playback Button

Playback

PAGE

place

fire

Playback button

position.

4

prevents

button

until this

accidental

slightly forward

erasure.

button

temporary stop,

a

as

playback

or

is released.

is depressed.

Control

or

music

permlts

into

off

blending of voices,

previous

the

speakers.

recordlngs.

built-in-speaker.

the

button slightly forward will

button

is

used with the

the recorder in the Record

places

the recorder

Moving

locks it.

only

Depress-

De-

Safety

position.

in

the

I Button

Track

Same

right.

left to

Fast Wind

These two

of

aparticular

Track tr

as

Buttons

recording.

buttons

button,

are

They startthe

rapidly. The entlre tape can

other in

to the

NOTE:

bar

In other

cording or

Stop

depress

Voltage Selector

To

pull

and

voltage

plus

voltage tappingplug

out

reset so that the voltage closest

is

(83).

approximately

If eitherFastWind

must

set the

visible

depressed

be

words,

bar. When

and

don't

Playback withoutfirst

using

release

voltage selector to another

in

the tiny window of voltage

buttonsare

them

(83)

excepttape moves from

used to find

thebeglnning

reelsturning

be wound

two mfulutes,

from

one

in use, theStop

changing functions.

before

go

from Fast Wind to Re-

either

depressingthe

of theee buttons,

immediately.

voltage,

in voltage setector

power

to the

reel

(84)

supply

tapping

FIG.

REAR

3

OPERATI NG I NSTRUCTIONS

VIEW OF

MECHANISM

o

JF

e2

6rE'

96

*=

oD

GJE

Threading

N0TE:

the Tape

l.

Tworeels

empty.

2.

The full reel fits
empty one

3.

Hold full reel in

tape

place

the

held

4.

Place

5.

Placetape into

end lnto

counterclockwise

The tape has

:

be

sure the shlny side faces

aresupplied, one full

on the right.

hanging

the reel

reel

slightly until lt

securely

empty reel

slot

Turning Recorder 0n

Once the voltage

agreewlth

pluggedin.

be

the

right.

up),

To

Record

rating of

T\rrn

After a

the

recorder is ready

Microphone

from

l.

Depress

wall

few

Track I

andthe

on the left-hand

left hand

down

left

on the left-hand

the ridges

by

on

soundchannel

in

empty reel.

until

shiny

a

selector

receptacle,

Volume Control/On-Off

seconds

button.

side of

falls

right-hand

tape

and

a

the

has

(while

to record

spindle, the

with loose

reel. Now

spindle.

place

into

on the

spindle.

andslip

T\rrn empty reel

is

secured

dult

slde.

buttons.

been adjusted

the

recordermay

the

tubes

playback.

or

other

end

T\rrn

and

spindle.

thefree
to reel.

Always

switch

warm

2. Depress

the Recording

Recording

pressed
low

3.

Talk into

of

ches

start

until

is

of
the recording

4.

Release

left-hand

entering

tape.

NOTE:

To

II

button.

direction,

other half

Record

To

to

to

f rom AM-FM

1.

Connect

radlo

marked

2.

Operate middle

3. Depress

Record

casting

the

(or

level.

microphone,

from

to flutter.

Magic

speech.

Safety

to right-hand

the

switch

tothe

The

and the

of tape.

lead

and to input

AM-FM

and lock

button

station.

small

Safety

button

button.

locked).

the

mouth.

Adjust Record

just

Eye

If the

Volume

will

be

button.

microphone

second

tape

will move

recording

Radio,

23?

to tape

socket

Tuner.

input

Safety

and tune

button

and then depress

Keep

Set

holding

on the

Safety

Volume

it

button

control

about lg in-

The Magic

Level

closes

on

control

distorted.

Tape

reel,

will

track,

can

recorder

the loud

is too

will move

and

any

be recorded

ddpress

in

the

be continuedon

socket of

of tape recorder

selector

wheel.

button. Depress

accurately to

Eye

control

opposlte

broad-

left

the

de-

will

parts

high,

from

sound

on

Track

of

to

F5

{fl

d=

Hg

f-

El

F

la

Tr

o

c7

m

n

\rr

PAGE

5

NOTE

fore,

for

To

Rmord

l.

2.

3.

4.

5.

6.

n

*.{

:!I

qI

U

dr"*-

rt

{!

il

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&-J

tt

t

t, I

It

f: i

,tI

6,."t

l'

t;

I

n

bd,

4.

T\rrn

Recording

tilthetwo

just

Eye

5.

Rel.ease

6.

At end

mark

Lead

proper

Connecting

Connect

record

plugs

Connect

Radio-TV-Phono

Fasten

of
Operate

Start
Place

begln to

Safety

of recording,

the

reading

23? has

the

radio

connection.

Tape Recorder

from Phonograph

the

player

of

connection

the 3-prong plug

the

plug.

the

outside

the record player.

recorder

Level

sectlonsof green

button.

3-way

must

leads

to

control

meet

at the

depress

of the

tape

ptugs

have

on

a correspondin!socket

See

'Tnstalling

to Radio.

from

the

red

lead

238.

or recorder.

ground

lnput

in

pickup

of the

selector

Record position.

FIG.

lightof

loudest

corurter.

both

the

and

to

4

BONOM

clockwise

the Magic

passages.

Stop

endsl there-

Soiketfor

i'

pickup

btack

socket

to the

wheel.

un-

bar

and

arm

banana

marked

sleeve

of

VIEW

OF

To Record a

coil

magnetic

telephones.

conversatlons

AM-FM

the
and

position

position

MECHANISM

The

htdden

fireplugof

T\rner.

bottom

press

Dlfferent

of the

for

1.

Plugthe
FM

Telephone

Grundig

plastic

in

a

field

from

With

can

,the

of

Adaptor-to

onto

the

tlpes

Adaptor.

each

Ttnerat

the

Conversation

TelephoneAdaptor

case.

the

coils

the

coll,

be recorded.

Slighily

telephone.

both incomlng

adaptorftts

molsten

lmprove

of telephones

Ilere

tlpe:

Adaptor

lntothe

of recorder,

rear

recorder.

2. Proceed

T\rner

RecordlngLevel

Liftthetelephonereceiversothat

"

can

beheard.

thebaseof

just

touching

wiil

oscillate,
tlrough
the

monltor

as

disc

the

for

recordlng,

(middle

the

selector)

eontrol

MovetheAdaptor

telephone,

the

telephone.

and the dial

speaker.

control.

3

i-

t

I

I

i

I

I

m

r

iI

I

t

t

t,

ffi

243T

Thls

wtrich form part

intothe

the

its

requlre

is

how

socket

dtr

picks

coll

and outgoing

socket

rubber

sticking

to

find the

marked

and

the

is

dlfferent

a

swltch

AM-FM

selected.

to

a convenient

thedialtone

slowlyaround

with the rubberdisc

The

Magic

will

forget

the

Magtc

be

to

Do

When

tone

not

a small

up

the

of

alt

marked

dlsc

on

power,

best

AM_

on

T\rrn

level.

Eye

heard

adJust

Eye

PAGE

6

registers lts madmum

is loudest, the

tone
reached.

polnt.

thls

at

NOTE: The

netlc fields and should be

IMPORTANT:

Adaptor

one-half

phone

conversatlon,

ditlons.

feet from the

It

:

See

condltions

Never

record

permleslon

Play

To

Recordings

deflection

best

Fastenthe

ls

Adaptor

sensitive

used

recorder.

ts

against

your

before

a

urder

the law

except

local authorities

recordlng a

conversation wtthout

clrcumstances.

any

and

posltion

to all

at

has been

to the telephone

klnds
least

to record a

under certaln

about

conversation.

t}te

dial

the

of mag-

four

tele-

con-

tlese

caller'

and

radio

setting

of the

distortion of the output

consists basically of

mounted

be

control.

blocking
value
apporximatety

voltage varies

the

value

voltage

megohms).

s

in the

as

If DC is

capacitor

of 1-2 megohms

in megohms

in

volts by 17

5 shows the measurements for the cutout

Flg.

rear of the chassis.

volume

stage.

potential

a

close

100 millivolts

possible

as

present

should be added

considerably from

may be calculated

(i.

is

based on

e.

200

,

on the

control and

The

divider,

bypasses

diode

which

connection

to the radio

volume

a

to the diode load.

by

control,

in

series. The

radio delivering

figure, the

this

multiplying

millivolts requires 3. 4

the

should

volume

a

Where

the

l. fitread

Tape.

2.

Set

at whlch

tape

as

"

the two-speed

recordlng

the

3. Depress the Playback button.

4.

Adjustt}eVolume

Multisonlc tone

of the

level.

Automatic

swltchoff

end of

playingback,

the motor

depress

further.

High-Speed

reelneed not

dependlng

ported.

theTrack

ton is next to

Stop

Metal fotls

the

each

track whether

both

at

motor.

Ttre

orfastwinding.

has been

the track

Fast

Toplayacertain

berewound.

on

which

Fast Wtnd

The

I

button, andtheFastWlnd(left

the

switched off

button

Wind

portlonof

direction the tape

Trick

described rnder

selector

was

control andturn

control for

ends of the tape

motor

recorder is

the

To start

is

by

(which

(right

Button-Speaker

is

already

tape

Depress thecorrect button,

left)

to

"Threading

knob to the speed
made.

thewheels

desiredtone

automatically

switched

the

agaln,

button

off at the

recording,

tapeagain after

metal

depressed)

the entire

must

be

is next

rlght)but-

to

control.

foils,

trans-

o

tF

a2

G,t

El

96

FIG.

Fig. 6

connectedtocontact

is lead-to-ground connection

playback,

phone

only
Generally,

contact 3

socket.

if distance

the socket

chassis, but

solderedto

to

with
tape

3-way

the chassis.

plugs

3-way

recorder

socket is No.

REAR

5

shows

For

between connection

the

top of the socket

to the

CHASSIS CUTOUT

the

wiring. Both

1(recording) of

(playback)

this connection, use shield wire

ground

is

Connectionlead 23?,

at both ends,

radio.

(Din

5784

resistors

socket.

Volume

of

will

control.

connected to

be
points

fastening

by

housing

is

used to connect the

part

The

41524\.

number of the

are

Contact 2

For

is large.

it

to the

can also be

equipped

*=

OD

GIL

F5

{fl

d=

ge

LEt

F

UI

Edit

To

and Splice

NOTE:

Shce

without affecting

one track

be edited

1. The tape

portions

sequence.
serted

of tape can be

2. Forbestresults,

join

ends with

trim

and

lnstalling Socket

Recorder

worthwhite

the

makes the

to Radio

high-quality

For

improvement

recorder

directly

level of a recording

Tape

cannot be

the other track,

should be

may

or by

between

any

llmited

edited by

be

ioining

Annormcements,

selections

selections.

spliced

splicingtape

excess width.

for

cuttape at aslight

for Connecting Tape

recording

may be obtained

from the

detector

edited and

recordings

to one track

out unwanted

cutting

into another

etc.,

Unused

re-use.

glossy

the

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