Silvertone 1236 Series Bedienungsanleitung

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GENERAL INFORMATION

The Silvertone Model 1236 is a two-speed, quarter-track tape recorder. Reels or cart-

ridges can be used-

Pushbuttons areprovided for each mode of operation. A VU meter isused for recording

level and a digital tape counter is used for Iogging various sections of the tape.

The Model1236 will play and record monaural and stereo on quarter-trackor half-track

on either reels or cartridge.

Recordings can be made from a radio, television, or phonograph as well as those made

directly from the microphone.

This recorder is to beconnected to an outlet supplying 110-ll? volts, AC, 60 cycles only.

Supplied By:

Sears, Roebuck & Company

925 South Homan Avenue

Chicago 7, lllinois

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HOWARD W. SAts &

The lieting of any available replacement part herein does

not constitute in any case a recommendation, warranty or

guarantyby Howard W. Samg & Co. , [nc., as to the quallty

and suitability of such replacement part. The numbers of

these parte have been compiled from tnformation furnished

to Horard W. Sama & Co., tnc., by the manufacturers of

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(C (o.r I t G. lndlanapolls Ci, tndlana

the particular type of replacement part listed. Repro-

duction or use, without express permission, of edltorial or

pictorial content, in any manner, is prohibited. No patent

liability is assumed with respect to the we of the lnforma-

tion contained herein. @ 1962 Howard W. Sams & Co. , Inc. ,

Indianapolis 6, Indiana.

DATE 6- 62

Printed in U.S. of Amerlca

stT 583

SITVERTONE MODET 1236

(ch. 529.59t50, 529.59550)

FlG. I T0P VIEW 0F MECHANISM WITH COVERS REMIOVED

FUNCTION OF CONTROLS AND JACKS

On-Off-Tone Monitor and A2B2 position is tor monaural,and stereo position

Rotate in a clock\rrse dtrec o! to turn the re- ls for stereo recordinS 0r playback'

corder on. Further rotatlon increases. the volum€ for LgVel lndiCatOf

monitoring while recording. Dlrlng playback, clock-

n'iae rotation emphasizes treble; counterclockrri8e Indicates the recording levelnihen making a re_

lotation emphasizes bass. cording. During playback, -it ts a balance indicator

for the tvo channela fo! stereo tapes.

Volume - Channel one

channel one volume control is the inner knob. Selector Switch

This controls tie volume level of Donaura] tapea and Selects mode for reel operatjon or cartri@e

channel one of stereo tapes" Rotate clock$,ise to in- operation. Move to tlle right - ior reel and to theleft

crease tlle volume and counterclock'rlse to decrease lor cartridge.

the volume.

volume - channel Two Speed

channel Tvoo volume controt is the outer knob. B V4 [t]"#"pt""Jn il*]* iV, iiled knob up ror

This control r€gulates the volume on channel t$o fo!

stereo tapes. Clockvise rotation increasea the vol- Dt-r,

ume and counterclockwise rotatlon decreasea the rloy

volume. When depre86e4 it engages the daive mechan-

lsm and starts the tape moving.

Record - Play

To place the recorder in record mode, turn the Stop

control counterclockwise and depress the play control. When depresse4 it releases any button that is

W}len the stop control ls depreased, the Record-Play depressed and disengalee the drlve mechanism.

control n'ill return to the Play mode. Fast Forward

Track Selector

selects tl'e portlon or tape that monaurar.-or "n""ul"oii"Tji?To"$$il;"SiiltfjJ.-ceat arapid

stereo sound $,i11 berecorded on or played back. AIBI

PAGE 2

Fast Rewind

When depressed, the tape is rewound at a rapid

speed-

Cartridge Rewind

When depressed, the tape is rewound at a med-

ium speed from the take-up hub.

Mike - Channel I

This jack is the input for the microphone for

making monaural recordings or for channel 1 when

making stereo recording.

Mike - Channel 2

This jack is the input for the microphone for

making stereo recordings.

Radio -Phono - Channel I

This input is for making direct monaural re-

cordings from a radio, television, or phonograph.

It is channel I when making a stereo recording.

OPERAT I NG

Threading the Tape

1" Make sure the stop button is depressed.

2. Placean empty reel on the take-up spindle(left)

and a full reel on the supply spindle (right).

3. Unwind approximately 12 to 18 inches of tape

from thefeed reel, hold asection tautand insert

it into the tape slot.

4. Insert the free end into the slot of the take-up

reel.

5. Turn the take-up reela few turns in aclockwise

direction to take up all slack between reels and

secure the tape to the reel.

Loading the Cartridge

l. Make sure the stop button is depressed.

2. Make sure all slack is taken up between hubs

by turning the left hub counterclockwise and the

right hub clockwise simultaneously.

3. Insert the cartridge so the opening at the rear

center is aligned with the brake release post.

4. Press the cartridge down on each side so it is

seated properly on the recorder.

Monaural Recording - Half Track

I. Thread the tape, see "Threading the Tape".

2. Depress the stop button.

3. Turn the On-Off-Tone-Monitor control clock-

qise to turn the recorder on.

FUNCTION OF CONTROLS AND JACKS ( CON'T. )

Radio-Phono - Channel Z

This input is the stereo channel when

directly from a stereo source.

External Speaker - Channel I

recording

I NSTRUCT I ONS

Select the speed;. speed controlup for 3 B/ 4 ips,

and down for ? /2 ips.

Set the track selector to AlBl.

Move tfie meter switch to the left for channel l.

Move the selector switch to t}le right for reels

and to the Ieft for cartridge.

Plug the microphone into channel I mic jack.

Turn the Recordr/ Play control counterclockwise

and hold and adjust the volume control so the

needle of the recording level indicator fluctuates

in the normal range and then depress the play

control.

Depress the stop control when the recording is

completed-

lvionaural Recording - Quarter Track

l. Repeat steps I thru 4 under 'Monaural Record-

ing - Half Track".

Set the track selector to AlBl.

Move the meter switch to the left to channel I

position.

Move the selector switch to the right for reels

or to the left for cartridge.

Plug the microphone into channel I mic jack.

Turn the Reeordr/ elay control counterclockwise

and hold and adjust the volume control so the

needle of the recording level indicator fluctuates

This is used when an external speaker is use*

in place of the built-in speaker.

External Speaker - Channel 2

This is used to connect the stereo speaker en-

closure to play back channel 2 of stereo tapes.

External Amplif ier - Channel I

When a greater power output is desired, con_

nect an external amplifier to this jack.

External Amplifier - Channel Z

- When a greater poqrer output for stereo opera_

tion is desired, connect an external amplifier of the

same po\per rating as that used for channel I to tlis

jack.

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OPERATING INSTRUCTIONS ( CON,T. )

in the normal range and then depress the play turn them over, rethread the tape or reload the

controtr. cartridge, and proceed as before.

7. Depress the stop control when the recording is 10. After the second track has been played, depress

completed- the stop button, move the track selector switch

to A2B2, and follow the same procedure used

8. Remove the reels or cartridge, turn them overl for playing tracks AlBl.

place on the reel spindles or reload the cart-

ridge, and proceed with the reeording. StefeO ReCOfd - TWO TfaCk

9. Depress the stop button when the recording is l. Thread the tape or load the cartridge.

completed. 2. Depress the stop button.

10. Remove the reels or cartridge, turn them over

and rethreadthe tape or reloadthe cartridge. 3. Turn the On/Off-Tone-Monitor control clock-

wise to turn the unit on.

11. Set the track selector to 4282. 4" Select the correct tape speed-

12. Proceed as outlined above. 5. Set the track selector to Stereo.

Monaural Playback - Half Track 6. Move the meter switeh to t]te left for channel I

l. Depress the stop button. and to the right for channel 2.

2. Thread the tape or load the cartridge. 7. Move the selector switch to the right for reels

and to the left for cartridge.

3. Turn the On/Off-Tone-Monitor control clock-

wise to turn the unit on. t. :t* the microphones into channel I and 2 mic

inputs.

4. Select the correct tape speed. 9. Turn theRecordr/Play control counterclockwise

5. Set the track selector switch to AlBl. andhold and adjustchannels I and 2 volume con-

trols so the needle of the recording level indi-

6. Move the selector switch to right for reels or cator fluctuates in the normal range for each

to the left for cartridge. channel and then depress the ptay control.

7. Recordr/Play control in Play position. 10. Depress the stop control when the recording is

completed.

8. Adjust channel I volume control to the desired

level. Stereo Record - Four Track

9. After the recording has been played back, de- I. Repeat steps I thru 9 under "Stereo Record-

press the stop button, remove the reels or cart- Two Track".

ridge, turn them over and rethread the tape or

reload the cartridge and proeeed as outlined 2. At the end of ttre reel or cartridge, turn them

above' :ff-""TS"::1;"*'* TffJJ.","i"?,$il!""?ii:

Monaural Playback - Quarter Track cord-Two Track".

l. Depress the stop button. StereO PlaybaCk - TWO TfaCk

2. Thread the tape or load the cartridge. l. Thread the tape or load the cartridge.

3. Turn the on/off-Tone-Monitor control clock- 2' Depress the stop button'

wlse to turn the unit on' 3. Turn the on/off-Tone-Monitor control clock-

4. Select the correct tape speed.

5. Set the track selector to AtSt"

6. Move the selector switch to the right for reels

or to the left for cartridge.

?. Record,/Play control in Ptay position.

8. Adiust channel I volume control to the desired

level.

9. After the recording has been played, depress

the stop button, remove the reels or cartridge,

PAGE 4

wise to turn the unit on.

4. Select the correct speed.

5. Turn the track selector switch to Stereo.

6. Move the meter switch to the left and adjust

channel I volume control; then move the meter

switch to the right and adjust channel 2 volume

control to match channel l.

7. Move the selector switch to the right for reels

or to the left for cartridge.

8. Depress the play button.

OPERATING INSTRUCTIONS ( CON'T. )

9. Depress the stop button when the playback is

completed.

Stereo Playback - Four Track

l" Thread the tape or load the cartridge.

2. Depress the stop button.

3. Turn the Onr/Off-Tone-Monitor control clock-

wise to turn the unit on.

4. Select the correct speed.

5. Turn the track selector to Stereo.

6. Move the meter switch to the left and adjust

channel I volume controll then move the meter

switch to the right and adjust channel 2 volume

control to match channel l.

7. Move the track selector to theright for reelsor

to the left for cartridge.

8. Depress the ptay button.

9. Depress the stop button when the playbaek is

completed.

To Record f rom Radio, Phonograph, 0r Television

Recordings may be made by one of three ways.

t. Direct Connection to Volume Control - Connect

e control.

Plug the other end intochannel I nR.adio-phono"

jack. Proceed as deseribed under 'Monaural

Recording".

N0TE: Make this connection on AC type units

only.

2. Direct Connection to Speaker - Connect a cable

across the voice

coil terminals of the speaker. Insert the plug

end into channel I 'Radio-Phono" jack. When

recording stereo, connect another cable across

the channel 2 speaker and insert the plug end

into channel 2 'Radio-Phono" jack. Adjust the

volume and tone controls of the sound source

and proceed as under "Stereo Record".

NOTE: Make this eonnection on AC type units

only.

3. Plcku! from,Loudsp icrophone -

Place the microphone 6 inches tb 2 leet in libnt

of the speaker. Turn the tone control to treble

or high. Adjust the volume control to a normal

listening level. Set therecording level and pro-

ceed as described under 'Monaural or Stereo

Recording".

Playing Phonograph Records through Amplif ier

I. For monaural records, plug the reeord ptayer

or changer into the channel I "Radio-phono"

jack.

2. For stereo records, phg the record player or

changer into channel I and 2 'Radio-phono"

jacks.

NOTE: Therecord playeror changermust have

a high impedance cartridge.

3. Turn PLay/ Record control to play.

4. Adjust the volume and tone control to a desired

level.

External Speaker or Speakers

Plug the external speaker or speakers into

channel I and 2 speaker jacks to improve the low

frequency tone quality. Use 8-ohm external speakers

to match the 8-ohm impedance of the recorders audio

output transformer.

NOTE: The internal speaker or speakers are

disconnected when using external speakers.

Do not connect a plug into an external

speaker jack without a speaker attached.

External Amplifier

For more power output, plug an external ampli-

fier into channel I external speaker jack on monaural

recordings. Plng an external amplifier into channel 2

external speaker jack as weII as channel I for stereo

recordings.

Fast Forward

To advance the tape at a high rate of speed to a

desired spot on the tape, depress the fast forward

control. To stop the tape movement and to release

the fast forward control, depress the stop control.

Fast Rewind

To rewind the tape at a high rate of speed, de-

press the fast rewind control. To stop the tape move-

ment, depress the stop control.

Cartridge Rewind

To iewind the tape in the cartridge at a medium

speed, depress the cartridge rewind controt. To stop

the tape movement, release the control.

Splicing Reel Tape

l. Overlap the broken ends and cuton a diagonal.

2. Butt the ends together and splice with splicing

tape.

3. Trim the splicing tape by cutting slighily into

the edges of the magnetic tape.

Splicing Cartridge Tape

l. Remove two serews on front of cartridge and

lift the cover off.

2. Remove the plastic sheet resting on the reels.

3. Press the metal tab at the rear of the cartridge

forward and unwind approximately 3 inches of

'tape from each hub.

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OPERATING INSTRUCTIONS (CON,T)

4. Usethesame splicingprocedureusedinsplicing wise and the right hub clockwise to remove all

reel tape. slack between hubs.

5. Press themetal tabon rearof cartridgeforward 8. Replace t}re plastic sheet, making certain it is

androtate theleft hub eounterclockrtriseuntil the laying flat and not binding on any parts.

tape is against the front of the cartridge. 9. Replace the top cover making certain the open-

6. Insert the tape into the plastic guides making ings on the bottom cover align with the openings

certain the tape is not twisted and the duII side on the top cover.

is facing out"

7. Simultaneously rotate theleft hub counterclock- l0' Replace the two screws'

PAGE 6

F lG. 2 BOTTONi V ltW 0F MTCHAN ISM

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AMP. CHASSIS BOTTOM VIEW - CAPACITOR &MISC. IDENT.

AMP" CHASSIS BOTTOIV1 VIEW - RESISTOR & INDUCTOR IDENT.

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TROUBLE CHART

Symptom Cause RemedY

No takeup on reel. 1. Tension spring off or broken.

2. Connector rod misadjusted.

3. Idler wheel (108) or motor pul-

ley (r29) oily.

Replace tension spring (50).

See "Supply Reel and Take-up

Reel" adjustment.

Clean with alcohol.

No rewind on reel. l. Tension spring (50) off or bro-

ken.

2. Connector rod misadjusted-

3. Idler wheel (52) or motor pul-

ley (126) oily.

l. Replace tension spring (50).

2. See "Supply Reel and Take-up

Reel" adjustment.

3. Clean with alcohol.

Capstan does not rotate. Drive belt (ll2) broken.

Motor pulley 018) loose on

motor shaft.

Motor (123) defective.

Replace drive belt (Il2).

Reposition motor pulley (ll8) and

tighten.

Replace motor (123).

Automatie shut-off switch

inoperative. Tension spring (63) missing or

broken.

Tension spring (58) mi.ssing or

broken.

Replace tension spring (63).

Replace tension spring (58).

No takeupwhen usinga cart-

ridge. Tension spring (115) off or bro-

ken.

OiI on idler wheel (91), flywheel

(81), or take-up clutch housing

(e6).

Replace tension spring (lI5).

Clean with alcohol.

No rewind whenusing acart-

ridge. Cartridge rewind belt (85) off

or broken.

Oil on flywheel (8I), re',vind

drum (BB), or rewind spindle

assembly (88).

Compression spring (40) broken

or lost its tension.

Replace cartridge rewind belt

(85).

Clean with alcohol.

3. Replace compression spring (40).

Pressure roller arm (ll0)

does notpull pressure roller

against the capstan.

l. Solenoid spring off or broken. l. Replace solenoid spring.

Link and pawl release (64)

does not return to its rest

position.

1. Tension spring (65) off or bro-

ken. l. Replace tension spring (65).

DI SASSEMBLY

Removing the Tape Deck

l. Remove six screws from the bottom cabinet

cover and remove the cover and interlock.

2. Unplug the enterconnecting plug.

3. Remove all control knobs.

4. Remove the head sover.

5. Remove two screws holding the cartridge guide

on, and remove guide.

6. Remove threescrews holding thefront topdress

plate.

7. Remove one hex nut on the channel selector

switc[.

8. Lift front top dress plate off.

PAGE I2

Remove the plastic retainer and reel plate, one

on each side.

Remove three screws from the rear of the back

top dress plate and remove.

Remove four wood screws holding the tape trans-

port on each corner.

Loosen the hex nut on the channel selector and

swing the mounting strap to one side.

Remove two screws from tlte post case on the

rear of the cabinet.

Lift tape transport from cabinet.

Reverse foregoing procedure to reassemble.

10.

ll.

12.

13.

14.

15.

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