Lafayette TR 101 Service Manual

Page 1

FOLDER 7
SET 519

LAFAYETTE

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LAFAYETTE
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GENERAL INFORMATION
The Lafayette Model TR-lOl tape recorder is a twovspeed tape recorder designed to plny
and record two tracks at material on standard-width recording tape.
Recordings may be made irom a phonograph, radio, or television receiver as well as
those made {Tom the microphone.
The two tape speeds are 7 1/2 and 3 3/4 ips. Using both tracks, the recording and
playing times are as follows:
Reel Size 3 3/ 4" Speed 7 l/ 2" Speed -
5 (6001t.) 1 hour [/2 hour
This recorder is designed to operate on 50 cycles, 110- 120 volts, AC supply only
Supplied By:
Lafayette Radio
165-08 Liberty Avenue
Jamaica 33, New York
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H 0 WA R D - SA M s Q can I N c. Indlanapolls 6. Indlana
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The listing of any available replacement part herein does the particular type of replacement part listed. Repro- 2
not constitute in any case a recommendation, warranty or duction or use, without express permission, 0! editorial or =
guarantyby Howard w. Sams a. C0. , inc. , as to the quality pictorial content, in any manner, is prohibited. No patent ;
and suitability of such replacement part. The numbers of liability is assumed with respect to the use of the informa-
these parts have been compiled from information furnished tioncontained herein. © 1961 Howard W. Saws 5! C0. , Inc. , N
Eonoward W. Sams k C0,, Inc, by the manulacturets oi Indianapolis 6, Indiana. Printed in U.S. oi America
9

DATE 2-6] SET 51!! FOLDER 7 '

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PREPARING FOR OPERATION

ll Remove lid from carrying case.

2. Remove the AC cord and accessories from the
storage compartment at the top rear of the case.

3. Plug the AC cord into a convenient outlet of
proper power rating.

FUN CTION 0F CONTROLS

On-Off Volume

Turn this control clockwise to turn the power
on to the unit. Further rotation increases the volume
on playback and the recording level on record

Selector

This control selects the different modes of oper-
ation. Turning this control counterclockwiseirom the
Stop position, places the unit in the Rewind mode.
Turning the control clockwise from the Stop position

to the first position, places the unit in Play; the
second position places the unit in Record.

Speed Change

With the small brass bushing (9) on the capstan
and flywheel assembly (is) the tape speed will be
3 3/4 ips. To change speeds to '7 1/2 ips, remove
knurled screw (8) from the capstan and remove the
small bushing. Replace it with the large brass bush-
ing and replace the thumb screw.

OPERATING INSTRUCTIONS

Threading the Tape
1. Place a reel of tape on supply reel stand (58).
2. Place an empty reel on takeup reel stand (18).

3. Unwind about 10 of tape from the reel. Hold a
section taut and insert it in the tape slot. Make
sure the dull coated side faces the rear of the
recorder.

4. Insert the free end of the tape into one of the
radial slots in the hub of the takeup reel. Turn
the reel several turns counterclockwise to

fasten the tape to the reel and to take up all slack
between reels.

To Record from Microphone
1. Rotate the On-Off Volume control to the right to
turn the recorder on. Allow sufficient time for
the tubes to warm up.
2. Insert the microphone plug into the "Mic" jack.
3. Set the recorder for the desired speed.
4 Turn the Selector knob to the Record position.

5. Place the microphone about 6 to 12 inches from
the signal source.

6. Adjust the Volume control until the record level
indicator flashes on the highest peaks.

NOTE: Correct volume level when recording is
very important, Too weak a signal will
result in weak playback and high background
noise. Too strong a signal will result in
distortion during playback.

Recording Radio Programs

Radio programs may be recorded by one of the

Page 2

following methods:

1. Microphone Pickup from Radio Speaker -
Place the microphone about 6 to 12 inches in
front of the radio speaker. Turn the radio vol-
ume control to a normal level. Turn the radio
tone control totreble or high. Set the recording
level and record as under "To Record from
Microphone".

2. Direct Connection to Radio Speaker - Make a
shielded cable with a two-conductor phone plug
on one end and two alligator clips on the other
end. Connect the alligator clips across the voice
coil terminals of the radio speaker and insert
the plug into the Phono" jack. Set the radio
volume and tone controls as described in Step 1.
Set the recording level and proceed as described
under "To Record from Microphone".

3. Direct Connection to Volume Control of Radio --
Make a shielded cable with a two-conductor
phone plug on one end. Connect the other end
across the radio volume control. Insert the
phone plug into the "Phono" jack. Set the re-
cording level and record as described under "To
Record from Microphone. The setting oi the
radio volume and tone controls will have no
effect on this setup.

To Record from P honograph

A phono-type plug is required on the pickup leads .
Insert it into the "Phone" jack and proceed as described
under "To Record from Microphone".

To Record from a Television Receiver

Use one of the methods described under "Re-
cording Radio Programs" .

Dual Track Recording

This recorder is designed to record and play on
one-half the width of the tape at a time; thereby, re-

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66699

FIG.1

sultingin two-track recording. After theiirst record-
ing is completed, remove the full reel from the takeup
reel stand (18), turn the reel over and place it on the
supply reel stand (58). The second track can now be
recorded. The tape can be played back in the same
manner.

Rewind

To rewind the tape at a rapid speed, turn the
selector knob to the Rewind position.

To Play a Recording

1, Thread the tape as described under "Threading
the Tape".

2. Turn Selector knob to the Play position.

3. Adjust the Volume control tothe desired listen-
ing level.

To Erase a Recording

Any recording on the tape is automatically

TOP VIEW OF MECHANISM WITH DRESS PLATE REMOVED

.l 13C|OW

3113AV1V1

erased before a new recording is made with the unit :0
in Record. Should it be desired to erase a recording '-
without recording new material, follow the normal 0
recording procedure but set the Volume control fully _'
counterclockwise and leave the microphone discon-
nected.

To Edit and Splice Tape

NOTE: It is impossible to edit and splice one
track without affecting the other. Record-
ings to be edited should be limited to one
track recordings only,

1. Tape may be edited by cutting out unwanted por-
tions, or by joining selections into another
sequence. Announcements can be inserted be-
tween selections, etc. Unused tape can be spliced
for reuse.

2, For best results, not tape at a slight diagonal,
butt ends together and fasten on the glossy side
with splicing tape. Trim off any excess width.

CLEANING

The tape guides, erase head, record-playback
head, pressure roller, and capstan should be cleaned
with alcohol to remove the tape residue from these

parts.

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L 830105

Page 8

6 afied

MECHANICAL PARTS LIST BOTTOM VIEW OF MECHANISM

Ref. Ref.

No. Description ND. Description

1 Head Cover 34 Fiber Washer

2 Function Control Knob 35 Idler Wheel .,

3 Screw 36 Idler Wheel Spindle

4 Escutcheon 37 Idler Wheel Lever

5 Dress Plate 38 Idler Wheel Lever Spindle

6 Screw 39 Idler Wheel Pivot Lever

7 On-Off Volume Knob 40 Motor Mounting Plate

8 Knurled Screw 4i Grommet

9 3 3/4 ips Bushing 42 Spacer

l0 Tape Guide 43 Washer

11 "C" Washer 44 Hex Nut

12 Pressure Roller 45 Switch Lever

13 Pressure Roller Actuating Lever 46 Switch Lever Tension Spring
14 Head Mounting Plate 47 Spring Cover

15 Flywheel and Capstan Assembly 48 Record-Playback Head

16 Brake Lever and Pad Assembly 49 Erase Head

ll Screw 50 Pressure Pad Assembly

l8 Takeup Reel Stand 51 Guide Plate

19 Takeup Reel Pulley 52 Pressure Pad Control Lever
20* Drive Belt * 53 Tension Spring

21 Function Cam 54 Brake Lever Tension Spring
22 Set Screw 55 Rewind Pulley

23 Tension Spring 56 Rewind Lever Tension Spring
24 Function Cam Locking Lever 57 Rewind Pulley Spindle

25 Baseplate 58 Supply Reel Stand

26 Function Cam Operating Lever 59 Rewind Drive Belt

27 Function Control Shaft 60 Screw

28 Spacer 61 Washer

29 Function Control Shaft Cam 62 Shock Mount

30 Operating Cam 63 Motor Service Pulley

3l Idler Wheel Tension Spring 64 Motor

32 Rewind Lever 65 Fan

33 "C" Washer

01-0191 'ON 113d ODS'IVIA 1198 SAT-IO x

PARTS LIST AND DESCRIPTIONS

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TUBES COILS (RF-IF)
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No USE LAFAYETTE Me'I' MIIIer SInncor NOTES
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v2 Ar Amplifier eAue v4 Recliner SMKR
ELECTROLYTIC CAPACITORS TRANSFORMER (POWER)
REPLACEMENT DATA
RAT NC REPLACEMENT DATA
ITEM RATING LAFAYETTE - ~
ITEM CORNELL. Mem Smear Thcrdarsnn Triad TE .
LAFAYETTE AERovox MALLORv PVRAMID SPRAGUE ND. 0 5
Ne. CAP. VOLT. PART Ne. PA No :AITBTHIEE, PART Nu m" NE PM" No. NOTES m SEC 1 SFC 2 PART Ne PART No. PART ND. PART No. PART ND.
CIA (mo 350 TVL-3539.5' T1 515?? 33%;. if)
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c2 3 300 Pnslaon Tamas r0397 I'D-4450 TVA»lGOl SEC 3 SEC 4 SEC 5
c3 0 300 PRSIGOD Dims r0597 med-450 TVA»130I a aver
c4 la 50 pnsmn Tannin-50 rcaz ID-1060 TVAvlflOA Q! [A
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.FIXED CAPACITORS
Capacny values gwen .n lhe ruling column are in .nId. Tor Paper TRANSFORMER (AUDIO OUTPUT)
Cupudlovs, and in mmId. To. Mica and Ceramic Cupadluls. REPLACEMENT DATA
REPLACEMENT DATA
ITEM IMPEDANCE . .
ITEM . LAFAYETTE Men! SInnen Th a 5 n T .nn NOTES
No. RATING REMARKS AEROVOX CENTRAL ESTHER ELMENCO MALLDRV SPRAGUE N°- PART No. PART NO. PART NI). PARTaN: PART No.
PART Na. PART ND. may Ne, PART Nn. PART No. PART No. PRI. SEC,
c5 .05 low P4HEN-05 TDD-503 cumsa GEMAIE «HM-550 T2 00 34 A49 77 24551 5'4
c5 .05 400v P4BBN-05 DD-EUS cunlsa GEMeAlla 4TM-550
c7 .01 low P4BBN-Ul D5403 cuEASI GEM-411 4TM-Sl0
CR .03 400v mean-03 Tin-303 cuness GEM-413 4TM-530 SPEAKER
c0 ,05 «low P485Nefl5 DD-soa cuslss GEM-Ala lrlvlssu
C10 T01 400v Maw-0i D6403 (105451 4DP-l-lDa GEM-411 4TM-SID REPLACEMENT DATA
Cll ~ EM RE LAFAYETTE
cm .03 low P4BBN-03 DD»303 cusses ADPez-SOB GEM-Ala 4TM-SSD No. PART No ngm NOTES
C13 250 51250 D6-25l LIOTZE con-251 orazs Wis-r25 SIZE EIELD v. C. IMP. - °-
oil ,002 400v MERIT-002 95.202 cunanz 6DP-l-202 GEM-622 6TM-D2o SP1 5., FM 34.7 5A,
615 250 SI 250 130-251 Ll0T25 con-251 oraza lnrs-rza
ole .002 400v P4EBN~DUZ D6402 cueenz any» 202 GEM-622 BTM-DZU
CH .005 400v P4HEN-005 DIS-502 cunssa GDPA 502 GEM-625 STM-DSO
CIR .oI 400v P488Neol De-loa CUE4SI eDP-l-loa GEM-4H 4TM-Sl0 FUSES
CONTROLS REPLACEMENT DATA
. E lITTElEUSE BUSS
"EM RATING REPLACEMENT DATA 'LEOM TYPE RATING LAFmTTJf PART NB, PAR? No.
No. 555T, LAFAYETTE CENTRAL CLAROSTAT CTSIRC MAI-l0" INSTALLATION NOTES FUSE HOLDER FUSE HOLDER FUSE HOLDER
ANCE WATTS PART No. PART No. PART No. PART Na. PART No,
Ml SAG lA
RlA 500K % AEAGO Volume 250V
5 snan AK-ZS
C Switch KRel Pawer OII-On
RESISTORS ITEM LAFAYETTE
All wallages 1/2 watt, or less, unless otherwise listed. No. PM NAME PM" Nu NOTES
REPLACEMENT DATA REPLACEMENT DATA M2 Head Playback - Record
ITEM WORKMAN ITEM WORKMAN M3 Head Erase
No. RATING IRC w REMARKS No. we 5 Tv REMARKS M4 Switch "0 (Slide TYPE)
PART No PART No. PM" NO- PART No. M5 Switch
R2 zrneg 1112 100K
R3 5mg ma 50K
m 1001; RM 20009 WIRING DATA
Ra Imeg m5 [meg
R6 50x ms 420D 2w General-use Unshielded Hookeup Wire ................. Use EELDEN ND. 0530 (Solid) Available in Ten Colors
R7 100K Rl7 200m 2w 5524 (summed) Available in Ten Colors
R0 lmeg ma loom sw Power Cord ...... . .................................. Use BELDEN No. 17654! (6 Ft. Length)
119 300m R19 25K l725-K (7% FL Length)
RIO 20K R20 470K Low-Loss shielded Lead (interconnecting) ..Use BELDEN No. 0401
R11 50K R2l 50K Phone Pick-up Arm Cable ............... . Use BELDEN No. 5400 (Two Conductor ~ rwlsled)