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GENERAL INFORMATION

Telectro Model 1980 is a two-speed tape player. It will play back dual-track monaural,

dual-track stereo, and four-track stereo prerecorded tapes, The two speeds are 3 3/ 4 and

7 L/ 2 ips.

The Telectro Model 1980 maybe used asa public-address systemas wellas atape player.

When both tracks of a monaural prerecorded tape are used, the playing times are as

f ollows:

Reel Size 3 3/4 Ips 7 l/ 2 Ips

3" (300 ft. ) l/ 2 hour I/ 4 hour

5" (600 ft. ) I hour I/ 2 hour

Connect this player to an outlet supplying lI0-120 volts, 60 cycles AC only. Before con-

necting to a line supply, be sure it agrees with these specifications.

Man uf actured by:

Telectron ic Corporation

35-18 37th Street

Long lsland City, New York

HOWARD W. tsAlf,ts &

The listing of any available replacement part herein does

not constitute in any case a recommendation, warranty or

guarantyby Howard W. Sams & Co., Inc., as to the quality

and suitability of such replacement part. The numbers of

these parts have been compiled from information furnished

to Howard W. Sams & Co. , Inc. , by the manufacturers of

cQ422

(G (o.r I t G. lndianapolls 6, lndiana

the particular type of replacement part listed. Repro-

duction or use, without express permission, of editorial or

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

liability is assumed with respect to the use of the informa-

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

Indianapolis 6, Indiana. Printed in U.S. of America

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DITE 4 - 60 SET 480 TOTDER

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F IG. I TOP V IEW OF MECHAN ISM W ITH ESCUTCHEON REMOVED

PREPAR ING FOR OPERAT ION

l. Open the cover and remove the power cord, 3. Plug the power cord into a4y AC outlet that has

empty reel, and reel of tape from the storage the proper frequency and fower requirements.

space at the rear of the unit. 4. The recorder is now ready for use. Before

2. Remove the cover by unlocking the hinges. operating it, the operator should familiarize

Placethe unitso thatthe controlsare accessible himself with the controls.

and at a convenient height.

FUNCT ION OF CONTROLS

Power 0n-0ff and Volume Control I Tone Controls I and 2

Turning this control until a click is heard turns Rotating these controls clockwise increases the

the power onto the unit. Further rotation of this con- trebtres (highs); counterclockwise, increases the bass

trol increases the volume for channel I. (lows).

Volume Control 2 Function

Rotating this control clockwise increases the IdIe is the neutral, or stationary, tape position.

volume for channel 2. Turning the knob to the left, to the Play position, puts

the tape in motion.

Page 2

CAUTI0N: When not using the tape player, place the

Function selector knob in the IdIe position. the left for fast rewind. The Function selector knob

must be placedin Idle beforethe Wind-Rewind knob is

operated.

Speed Change

For 7 I/ 2 ips, place the Speed Change control

in the dorvn position; for 3 3/ 4 ips, in the up position.

Do not change speeds unless the Function selector knob

is in IdIe.

Head Elevator

When this control is

dual-track monaural and

When it is up, the head is

tapes.

down, the head is set for

two-track stereo tapes.

set for four-track stereo

Wind-Rewind

Turn this control to the right for fast wind; to

OPERATING INSTRUCT IONS

Threading the Tape

l. Place a reel of tape on the left (supply) spindle,

and anempty reel on the right(take-up) spindle.

Mal<e sure the reel slots engage the pins on the

spindle.

2. Unwind approximatelytwelve i.nches of tapefrom

the left (supply) reel. Hold a section of tape

taut, and insert it into the tape slot. Make sure

the dull-coated side of the tape faces the rear

of the unit.

3. Insert the free end of ttre tape into one of the

three radial slots in the hub of the empty reel.

Turn the reel several turns clockwise, until the

tape issecured to the reel and allslack is taken

up between reels.

To Wind or Rewind Tape

I. Turn the Function selector knob to IdIe.

2. To wind the tape onto the reel, turn the Wind-

Rewind control to the right, and hold. Reiease

the knob when the desired section of the tape is

reached.

3. To rewind the tape, turn the Wind-Rewind control

to the left. It wiII Lock into position. To stop

the rewind, return the Wind-Rervind knob to the

center.

To Play a Monaural Recording

l. Connect an external speaker to external speaker

jack i.

2. Thread the tape (see "Threading the Tape").

3. Make sure the Head Elevator is down.

4. Connectthe tapeplayer toan AC outlet ofproper

rating.

5. Turn on the unit by rotating the Power On-Off-

Volume control I until a click is heard.

6. Turn the Function control to the play position.

?. Turn the Volume control until the desired vol-

ume is attained.

B, Turn Tone control I clockwise to tre desired

listening level.

To Play a Stereo Recording

I. Connect two external speakers to External

Speaker jacks I and 2.

2. Thread the tape (see "Threading the Tape").

3. For two-track stereo, make sure the Head

Elevator is down. For four*track stereo, make

sure it is up.

4. Connect the tape player to any AC outlet of

proper rating.

5. Turn the unit on by turning the power On-Off-

Volume control I until a click is heard.

6. Turn the Function control to the play position.

7. Rotate Volume controls I and 2 clockwise to

increase the volume.

8, Turn Tone control I and 2 clockwise to the de-

sired listening level.

Splicing the Tape

l. Overlap the broken ends and cut at a 45-degree

angle.

2. Butt the two ends together, with the glossy side

up.

3. Tape the butted ends together with splicingtape.

4. Trim off the excess splicing tape.

To Use Unit as a Public-Address System

l. PIug the unit into an AC outlet of the proper

rating.

2. Turn the unit on by turning the Power On-Off-

Volume control I until a click is heard.

3. Plug a micrbphone into the upper Phono jack.

4. Connect an external speaker into the upper Ex-

ternal Speaker jack.

5. Readjust Volume control I to the desired sound

level.

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F IG. 2 BOTTOM V IEW OF MECHAN I SM

D ISASSEMBLY

To Remove Tape Player f rom Cabinet 2. Disconnect the indicator light.

I. Remove the four screws from the bottom of the B. Remove the power cord from the holder on the

cabinet. tape transport.

2. Remove thefour screws (two oneach side) onthe 4. Disconnect the motor leads.

side of the cabinet. 5. Remove the three screws holding the amplifier

3. Remove the two screws hoiding the jack plate, to the tape transport.

on the side of the cabinet.

4. Lift the unit from the cabinet. 6' Lift the amplifier from the tape transport'

- 7. To reassemble, reverse the foregoing proced-

5. To reassemble, reverse the foregoing proced- ure.

ure.

To Remove Amplif ier f rom Tape Transport

l. Disconnect the head leads.

MECHAN I CAL ADJU STMENTS

Playback head (46) must be aligned with the tape. track overlap may result.

If it is not, low output, Ioss of high frequencies, or CAUT l0N: The playback head has been adjusted at

Page 4

F IG.3 BOTTOM V IEW OF MEGHAN ISM W ITH MOTORBOARD SU BPLATE REMOVED

the factory. Further adjustment is unnecessary

unless the head becomes faulty and is replaced.

Two adjustments should then be made (see the

following).

Adjust the head height so that the top of the tape

is aligned with the top of the head lamination.

To adjust, loosen nuts (464'), and slightly raise

or lower head (46).

Turn head adjustment screw (4OB) to the left or

right to adjust the head for maximum frequency

response. This moves the head from side to

side slightly. After completing this adjustment,

check the head height.

Brake Release Bracket

Adjust brake release bracket (92) bV 1oosening

screw (92A) and moving the bracket forwaid or back-

ward. When the bracket is moved to the rear of the

unit, wind-rewind lever assembly (23) contacts it,

giving brake cord (93) more slack. For less slack,

reverse the foregoing procedure.

Spindle End Play

The spindles should have L/ 32 to /16 inch up

and down movement. To obtain the correct amount

of end play, Ioosen set screws (6?)in upper puley(66)

andlower pulley(68), andmove the pulleysup ordown.

TROU BLE CHART

Symptom Cause Remedy

I. Rubber drive belt (89) Ioose

or broken. t. Replace drive belt (89).

No drive in playback.

Page 5

TROUBLE CHART (CON'T. }

Symptom Cause Remedy

Take-up belt (90) Ioose or

broken.

Defective motor (8I).

Connecting Ieads fouling fan

(85).

Flywheel and capstan shaft

binding.

Take-up spring (I05) discon-

nected or defective.

Replace take-up belt (90).

Replace motor (81).

Dress the leads so that they do

not touch fan (85).

Clean and lubricate the fly-

wheel and capstan shaft.

Reconnect or replace take-up

spring (105).

Wow. l. Dirty or oily capstan sleeve

assembly (32), capstan roller

(35), or motor pufley (8I).

I. Clean with soft cloth and aI-

cohol.

No wind or rewind. l. Drive belt (89) loose or

broken.

2. Take-up belt (90) or rewind

bett (97) loose or broken.

3" Oil or grease on driving

surfaces.

Replace drive belt (89).

Replace take-up belt (90) or

rewind bett (97).

Clean with soft cloth and al-

cohoI.

Function control does not

operate. 1. Brake spring (98) broken or

disconnected. I. Replace or reconnect brake

spring (98).

50c5 50c5

ECC83 ECC83

AMP CHASSIS-TOP VIEW

Page 6

MECHANICAL PARTS LIST

Ref .

No. Part

No. Description

TKz55

TKz54

TA143?

TPIO98

T82009

TAIIOS

TT7L2

TK243

TE.217

TA1439

TAII2I

TP9B3

TL344

TSr854

T82007

TAl204

5133 -25

TAIOO2

TAll86

TG4I4

TAll25

TG4T9

40 I

4r | 5103-25

42 I TB200I

43 I

44 I tazooo

45 I rrzso

46 I rnssr

46A I

468 I

47 I rszoze

48 | rnuso

49 I rr7r2

50 I sl3e-rz

Volume-On-off Knob I

Tone Control Knob I

6-32 x l r/8 Fl. PhiI. Hd. M. I

Screw I

Front Escutcheon Ass'y. I

6-32 x 5/16 Le. Truss PhiI. Hd. I

M. Screw I

Motorboard Dress Plate I

I/ 4Hex Hd. Self-tapping Screw I

Brake Rod Guide Bracket I

I/ 4 Hex. Hd. Self-tapping Screw I

Motorboard Mounting Bracket I

ReeI Retainer I

Spindle I

. 3i5 L D. x 9/ 16 O. D. x . 0I0 Washerl

Motorboard Subplate and Amplifier I

Mounting screws (3) |

Tape Guide Post I

Baseplate I

Bracket-Part of Baseplate I

Wind-Rewind Knob I

6-32 x I I/ 8 FI. PhiI. Hd. M. I

Screw (2) |

Rear Escutcheon I

Function Knob I

6-32 x 3/ 4 Fl. PhiI. Hd. M. Scr. I

Wind-Rewind Lever Assry. I

6-32 Hex Nut I

Hex ShaJt I

Wind-Rewind Latch I

6-32 x 3,/16 Screw I

Lockwasher No. 6 I

Spring I

Tape Guide Bracket Screw I

Tape Guide Bracket I

Capstan Sleeve Ass'y.

Capstan Sleeve Ass'y. Retaining

Rings (2)

Pressure Roller Retaining Ring

Pressure Roller

Pressure Roller ril asher . 255 I. D.

x/2O.D. x.0I0

Capstan Roller Plate Ass'y.

Tape Guide, Upright

#6 x L/ 4 Lg. Hex Slotted Sht.

Met. Type Z.

.255I.D. xl/ 2 O.D. x.010 FIat

Washer

Wind-Rewind Lever Retaining Ring

Head Lead Terminal Board

Head Lead Terminal-BoardScrew

Terminal-Board Bracket

Head-Elevation Knob

I/4 Track Head

#2 Hex Nut

Head Adjustment Screw

Head Mounting Bracket

Head Lifting Sliding Plate

Tape-Guide Post

Pressure-Pad Bracket Ass'y.

Retaining Ring

Pressure-Pad Bracket Ass'y.

Tape-Release Guide Mtg. Screw,

440 x 3/ 16 Phil.

Tape-Release Guide

. 315 I.D. xL/ 2 O.D. x .032 Thk.

Fiber Washer

Ref .

No. Part

No. Description

€

92A

9?*

r00

l0I

102

103

104

105

106

I07

r08

TS193I

TS2029

T86I9

T4265

TAII83

TAl205

T82003

TM4I5

TAI438

TF258

TF3O4

TOI?I

T899B

TAII2B

T8858

TBIOO4

TS1657

TAl004

T51625

T8999

TS1658

TAl209

TS168I

TSI905

TAII22

TS2022

. 315 I. D. x 9/ 16 O. D. x . 010 Flat

Steel Washer

Pressure-Pad Spring

.3151.D. xL/ 2O.D. x.032

Fiber Washer

. 315 I. D. x 9/ 16 O. D. x . 0I0 FIat

Steel Washer

Pressure-Pad Bracket Ass'y.

Mtg. Stud

Switch Shaft & Cam Ass'y. Retain-

ing Ring

Motorboard Subplate Spacer

Bracket Excursion Limit

Flat Washer

FIat Washer

IIex Nut

Upper Pulley

Set Screw

Lower Pulley

Motorboard Subplate

Hex Nut

Motor Pivot Mtg. Bracket

Motor Pivot

Hex Nut

Flat Washer

Lockwasher

Flat I['asher

Motor Mtg. Bracket

Motor Mtg. Sleeve

Rubber Motor Shock Mount

Flat Washer

Motor & Pulley Ass'y.

Retaining Ring

Flat Washer

Fiber Washer (2)

Fan

FeIt Washer (2)

Fan Retaining Ring

Flywheel Ass'y.

Linear "O" Ring Drive BeIt

Take-up Belt

Brake Rod Subassembly

Brake Release Bracket

#6 xL/ 4 Self-tapping Screw

Brake Cord (25" Long)

Brake-Rod Return Spring

Switch Detent Lever Ass'y.

Interlock SIide

* Rewind Belt

Brake Spring

Switch ShaJt & Cam Ass'y.

Capstan-Roller Plate Lever Spring

Switch-Detent Lever Spring

Switch Shaft & Cam Ass'y. Retain-

ing Ring

Capstan-Roller Plate Cam Lever

Ass'y.

Capstan-Roller Plate Ass' y.

Retaining Ring

Take-up Spring

Flat Washer

Lockwasher

Hex Nut

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PAGE 12

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