Recordio 210 User manual

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GENERAL INFORMATION

The Recordio Model 210 is a dual-speed tape recorder designed to reeord and play dual-

track monaural recordings.

The dual-track recording feature allows two separate sound tracks to be recorded on a

reel of tape. Any size reel up to 7 inches can be used. Recordings can be made from a radio,

television receiver, phonograph, or telephone, ln addition to those made dlrectly from the

microphone.

This recorder has two tape speeds, 7 I/ 2- and.3 3/ 4- inches per eecond.

Thls recorder is designed to operate on 108 to I20 vott, 60 cycle, AC supply only.

Manufactured By:

Recordio Corporation

Charlotte, Michigan

HOWARD W. SAInS &

The listing of any available replacement part herein does not

constitute in any case a recommendation, wa:ranty or guaranty

by 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 manuJacturers of the particular type of replacement

cQ490

G {O . , I N G. lndlanapolls 6, lndlana

part listed. Reproduction or use, without express permission, of

editorial or pictorial content, in any mainer, is prohibited. No

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

tion contained herein. @)1963 Howard W. Sams & Co., Inc.,

Indianapolis 6, Indiana. Print€d in U.S. of America

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RECORDIO

rnoDEr 2to

DATE I .63 sET 612 FOTDER II

Off-Volume Control

When rotated clockwise, power is applied to the

transport and amplifier. This control also varies the

playback volume and recording level.

Reverse- Stop-Forwa rd Control

Turning the control to the left, or Reverse po-

sition, rewinds the tape from the take-up reel back to

the supply reel. Turning the control to the right, or

Forward position, places the unit in the Play or Re-

cord position. The center or Stop position places the

transport in the neutral position.

Play-Record Switch

In the Play position, the amplifier is set up to

play back prerecorded material. In the Record posi-

tion, the amplifier is set up to record material and

erase prerecorded material.

CAUTI0N: This switch must be in the play po-

sition whenever any function except Record

is used. Otherwise, complete erasure of

the tape will result.

Mic. Jack

This jack serves as the input when recording

from the microphone or when using the recorder as

a public address system.

FUNCTION OF CONTROLS

O PERATI NG I NSTRUCTI ONS

lnput Jack

This jack servesas a lowlevel input forreeord-

ing from radio, TV, or phonograph. The Input Jack

alsoserves as alow level output jackfor playingtapes

through an external amplifier system.

Aux. Speaker Jack

This jack provides a connection for external

speakers.. When an external speaker plug is inserted

in this jack, the speaher in the tape recorder is auto-

matically disc onnected.

Speaker Switch

When recording from the mierophone, place the

,Speaker switcll in the Record position. This prevents

the possibility of squeal or feedback. When record-

ing from a radio, TV receiver, or phonograph, the

Speaker switch can be left i.n the play position if it is

desired tomonitor the material being recorded on the

tape.

Speed Control

The speed knob should point to ?. b0 or B. ?b

(ips) according to the speed desired. Do not turn the

speed knob unless the Reverse-Stop-Forward control

is in the Stop position.

Threading the Tape

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

making sure the reel slots catch the protrusions

of the spindle.

Place an empty reel on the take-up (right)

spindle, again making certain the reel slots

catch the protrusions of the spindle.

Unwind about 14 inches of tape from the supply

reel. Hold asection straightwith both handsand

insert the tape in the tape slot, making sure the

dull side of the tape faces the rear of the unit.

Insert the free end of the tape into one of the

slots in the hub of the reel and rotate the reel

several times to take up any slack and secure

the tape to the reel.

To Record frorn a Microphone

With theReverse-Stop-Forward knobin the Stop

position, turn the Off-Volume control clockwise

until a click is heard. Allow about B0 seconds

for the amplifier to warm up.

Insert the microphone plug into the Mic. jack.

Place theSpeaker switch in the Recordposition.

Place the Play-Record switch in the Recordpo-

sition.

5. Set the Off-Volume control between 2 and 4 on

the numbered scale. The volume level for re-

cording will vary with strength of your voiee.

Practlce making recordings until the proper

level is found.

6. Place the Reverse-Stop-Forward knob in the

Forward position.

7. While holding the microphone about 3 to 4 inches

from the mouth, speak in a normal, clear tone

of voice.

8. When the recording is completed, turn the Re-

verse-Stop-Forward knob to the Stop position.

To Rewind the Tape

Turn theReverse-Stop-Forward knob to theRe-

verse position. The tape will be transported back to

the supply reel at a fast rate of speed. When it is

desired toplay acertain portionof the tapeoveragain,

it is not necessary to rewind the entire reel.

To Record from Radio, Television Receiver, or

or Phonograph

While it is possible to record sound from an

external source simply by placing the microphone in

front of the speaker, this method is not'recommended

as background nolses will be recorded along with the

desired program material.

PAGE 2

F IG. 1 TO P V I EW OF fVIECHAN I SM W ITH COVERS REMOVED

rs9

For noise-free recordings, record directly from

the speaker voice-coil terminals of the radio, TV re-

ceiver, orphonograph. Use apatch cord witha phono-

plug on one end and alligator clips on the other end.

l. Insert the phono-plug into the Input jack on the.

tape recorder and clip the alligator clips across

the voice coil of the speaker of the external

source.

2. Adjust the volume of the external source to

normal room volume. Set the tone control to

the maximum treble position.

3. Proceed with the recording as described under

'nlo Record from a Mierophonerr.

NOTE: Remove the patch cord after recording

is completed.

When recording from an external source,

the signals being impressedon tlre tape can

be monitored while recording by placing

the Speaker in the Play position.

To Use Second Track

l. Place the Reverse-Stop-Forward knob in the

Stop position after all the tape has been wound

on the take-up reel.

2. Remove thefull take-up reel, turn the reel over

and place it on the supply spindle.

3. Place empty reel on the take-up spindle.

4. Thread the tape and proceed with the recordlng

as previously deseribed.

To Erase Tape

When the recorder is placed in the record posi-

tion, the erase head is activated and will automatically

erase prerecorded material whlle a new recording is

being made. If it is deslrable to erase prerecorded

material without recording new material on the tape,

follow the recording procedure, howeverl do not con-

nect any input source and leave the volume control at

the mintmum point.

To Play Recordings

1. Thread the tape as described under "Threading

t}te Tape".

2. Set the speed control to the speed at which the

recording was made.

3. Place the Play-Record switch and the Speaker

switch in the Play position.

4. Move the Reverse-Stop-Forward control to the

Play position.

5. Adjust the volume control to the desired listen-

ing level.

PAGE 3

FIG. 2 BOTTOM V IEW OF MECHAN ISM

DISASSEMBLY

Remove the Phillips head screws from each top

corner of the top plate (20).

Lift the tape transport and amplifier partially

out of the cablnet. Unplug the speaker leads

before removing the unit completely.

A DJ U STMENTS

Pressure Pad Adjustment

l. Remove front escutcheon (9).

2. Place the Reverse-Stop-Forward control in the

Forward position. Leave the power off.

3. Using e penctl-type postal scale, check the

amount of pressure required to just pull the

right-hand pad away from the Record-Playback

head (29). If necessary, adiust locked adjust-

ment screw (37) untif a reading of l-oz. + L/ 4 oz.

is obtained.

4. Measure theerase pad pressureas described in

Step 3 and if necessery, adjust by bending the

erase pressure pad spring.

Brake Shoe Adiustment

l. With the Reverse-Stop-Forward cmtrol in the

Reverse or Forward posltlon, the brake pads

(100) and (101) should clear the brake drums by

approximately l/ 16 lnch.

PAGE 4

2. Move the Reverse-Stop-Forward control in the

Stop position while observing the brake pads.

Both brake pads must contact the brake drums

at the same time and wlth equal pressure.

3. If adiustment ls necessary, adjust by bending

the copper colored brake sprlngs.

Erase Head Adiustment

t. With tape properly threaded, turn the recorder

on and move the Reverse-Stop-Forward control

to the Forward posttion. Allow the tape to run

for a few seconds, then turn the recorder off.

2. With the front escutcheon (9) and rear escutcheon

(8) removed, check to see that the top edge of

the tape is even with the top edge of the erase

head pole piece. If adjustment ls necessary,

loesen the erasehead mountlng scre\ps andraise

or lower the erase head to the proper level.

3. Check to see tf the top edge of the erase head ls

parallel wtth the top edge of the tape. If not,

-l

F IG. BOTTOM V IEW OF MECHAN ISM

adjust by turnlng screw (2?) until top edge of

the erase head is parallel with the tape.

Record- Playback Head A lignment

l. Remove front escutcheon (9) and rear escutcheon

(8).

2. Thread an alignment tape on the transport.

CLEAN ING

The record-playback head(29), erase head (26),

and pressure roller (14), are subject to an accumula-

tlon of tape oxide, which is worn off the tape as it

passes these parts. This accumulation should be

Connect a VTVM to the Aux. Spk. jack. Set the

meter to the AC, 3-volt scale.

Plaee the recorder in the Forward position at

7 L/ 2 ips. Adjust volume to obtaln an output

reading of l-volt. Turn record-playback head

adjustment screw (30) until a maximum reading

is obtained.

perlodically removed since it will cause falnt record-

ing-and plor playback. Wtpe these surfaees carefully

with a softcloth dampened with alcohol or a commer-

clal head cleaner.

LUBRICATION

AII rotating parts are provided with generous

size "oilite" bearings which are satured with oll at

the time of manufacture. Under normal use, no fur-

ther lubrlcation is necessary. In heavy duty service,

the following parts should be lubricated once a year

with a drop of #10 motor oil.

t. The top and bottom motor bearings.

2. The capstan bearing.

3. Pressure roller (14) bearing.

4. Idler wheel (56) bearing.

5. The reel spindle (l) bearings.

6. Idler slide bushing (49) shaft.

After lubricating these parts, wlpe away any

excess oil to prevent the possibility of the oil trans-

fering to drive surfaces.

-t

PAGE 7

TROUBLE CHART

SYMNOM CAUSE REMEDY

Transport does not

in any mode. Motor (109) defective.

Motor pulley (106) loose on

motor shaft.

Repair or replace motor (109).

Tighten motor pulley set screw

00?).

functibn l.

Tapefails to wlnd ontake-up

reel durlng play or record. Pressure roller (14) does not

engage capstan shaft.

Take-up drive belt (15) brd<en.

Idler tension sprlng (48) dis-

connected or broken.

Replacecam follower spring (8?).

Replace take-up drive belt (15).

Reconnect tension spring (48).

Tape spills when Reverse -

Stop - Forward control ls

placed tn Stop.

Brakes not adjusted properly.

Felt brake pads (100 or l0l) worn

or missing.

Adjust brakes as described under

'Brake Shoe Adiustment. "

Replace brake pads.

f\ilowt' durtng operatlon of

recorder. 1. Forelgn matter or oil on driving

surfaces. l. Clean all driving surfaces with a

clean cloth and alcohol.

"Flutter" during operatlon of

recorder. l. Dirty record - playback head

(29), capstan shaft, or pressure

roller (14).

l. Clean asdescribedunder "Clean-

ing. "

No erase

erasure. or incomplete 1.

Dirty erase head (26).

Erase head (26) defective.

Erase head (26) not adjusted

properly.

Erase pressure pad not exerting

sufficient pressure . against

erase head.

l. Clean with soft cloth andalcohol.

2. Replace erase head (26).

3. Adjust as described under'Erase

Head Adjustment. "

4. Adjustas describedunder'Pres-

sure Pad Adjustment. "

Does not record. t. Faulty mlcrophone or cord. t.

Faulty amplifier component.

Defective rec ord-playback head

(2e).

Repl,ace if necessary, after

checking with another type of

lnput.

Checkamplifier and make neces-

sary repairs.

If defective, replace head.

MECHANICAL PARTS LIST

14*

l5*

c-13.318-5

B-13.462-L

57-3439-0

B-13-463-1

73-2340

5?-4C-605-5

57-4C-618-5

C.13.461

c-r3.460

B-28.138

B-92.475

B-33.418-3

B-28.163

B-33.404*

B-28.20?*

5?-4C-605-5

B-16.104

5?-lC-603-l

E-19.1730

5?-3439-0

Reel Spindle & Shaft Ass'y.

Speed Strift Knob

Screw, #6-32 x 3/16" Bristol It

Knob, Function Srift

Washer, Varnlsh Impr egnated

Screw, #6-32 x 3/ 8" O. H. M. S.

Screw. #6-32 x I l/8"O. H. M. S.

Escutcheon, Rear

Escutcheon, Front

Grommet, Fiber

Shift Control $raft

'E" Ring, 3/16" Shaft

Washer, Ltnen

*Pressure Roller

*Take-up Belt

Capstan Sraft

Screw, #6-32 x 3/8"O. H. M. S.

Washer, Brass

Screw, #6-32 x 3/ L6f' B. H. M. S.

Baseplate

Screw, #6-32 x 3/ L0"Bristol Hd.

B-32.300

B-33.325

5?-rc-602-l

B-36.264

57-l6C-404-l

79-2241-134

8-36.25r

5?-l6C-404-l

B-35. 1383-r

B-19.1689

5?-rc-602-r

B-r9. 1649

5?-6C-605-2

B-3r.338

B-19.1647

B-r9.1648

73-223L-4

57-rC-603-l

Tape Guide Post

Solder Lug

Spring, Tape Guide Compression

Screw #6-32 x l/8"8. H. M. S.

Head, Erass

Screw, #4-40 *. L/4'R".H. M. S.

Washer, Steel

Record-P1ayback Head

Screw, #4-40 x L/4'8..H. M. S.

Record Hd. Mounting Bracket

Tape Guide Post

Screw, #6-32 x l/8"B. H. M. S.

Head Mounting Plate Assry.

Cam Stop Adjusting Plate

Pressure Pad & Spring Assty.

Screw, #6-32 x 5/16"R. H. M. S.

Spring Pressure Pad Actuattng

Pressure Pad Hinge Mtg. Brkt.

Lever, Pressure Pad

Lockwasher, #6 Internal

Screw, #6-32 x 3/ 16"8. H. M. s.

PAGE 8

Descrlption

56*

57-6C-604-t

B-19.159?

B-35.1383-2

5?-3698-0

B-r9. 1662

B-31.49I

B-32.466

B-3r.32?

73-2241-L43

B-33.418-1

B-r9.1630

?3-2241-150

73 -2340

B-33.408*

B-28.163 !,

B-33.409

73-2340

?3-2248-39

57-3690-0

B-32.477

73-2248-39

c -13. 25?

5?-3698-0

73-2340-r

S?-rssg-r

c-35.1050-r

B-32.473

c -19. 1640-l

B-31.494

B-32.472

73-2241-74F

?3-2231-5

Screw, #6-32 *.L/A,'P..H. M. S.

Shlm, Record-Playback Head

Erase Hd. Mtg. Brkt.Assembly

Screw. #8-32 x 3/16" Bristol

Head Set Screw

Speed Shift Cam

Spring, Idler Tension

Idler Slide Bushlng

Spring, Idler Lift C

Washer, Stee1

'E"Ring, |/4" Shaft

Idler Pulley Slide Plate

Washer, Steel

Washer, Varnish Impregnated

*Idler Wheel, 2 L/ 2" Diameter

Washer, Linen

Hair Pin Clip

Washer, Varnlsh Impregnated

Washer, Phenolic

Set Screw, #8-32 x 3/ 16"

Bristol Head

Space Bushing

Washer, Phenolic

Flywheel

Set Screw, #8-32 x 3/16"

Bristol Head

Washer, Llnen

Set Screw,#8-32 xL/4"

Bristol Head

Brake Drum Assembly

Pressure Roller Plate Spacer

(top)

Pressure Roller Plate

Linkage Arm (Pressure Pad)

Pressure Roller Plate Spacer

(Bottom)

Washer, #8

Lockwasher. #8 Internal

r00

r0r

102

r03

t04

r05

106

107

108

109

57-rC-807-l

c-r9. 166r

5?-3698-0

B-32.476

B-r9. 1642

B-32.460

13-2249-75

73-2241-74F

73-223I-4

5?-?C-804-1

B-32.47r

73-2243-75

B-3r.4?3

B-19.1641

B-33.418-1

B-32.476-t

57-rC-803-t

57-6C-608-r

B-28.186

48-2219-l

B-33.627

D-r9.1643

B-35. 1405-l

B-31.492-2

B-31.492-L

B-32.4?9-t

44-122-8

57-6C-806-t*

B-3r.338

B-19.1645

36.267

Screw, #8-32 x 7 / L6" B. H. M. S.

Cam, Function Shift

Set Screw, #8-32 x 3/ L6"

Bristol Head

Washer, Strouldered

Cam Follower Link

Pin, Cam Follower Link

Washer, Brass

Washer, Steel

Lockwasher, #8 Internal

Screw, #8-32 x1/L6" PhilIips

Hd.

Cam Follower

Washer, Brass

Spring, Cam Following

Cam Following Link

Washer, Shouldered

Screw, #8-32 x 3/L6" B. H. M. S.

Nut

Washer

Screw, #6-32 x L/ 2'8..H. M. S.

Grommet, Rubber

Nut, #6-32 Keps Hex

Grommet, Plastic

Drive Mounttng Plate

Brake Slide Plate Assembly

Felt Brake Pad (Long)

Felt Brake Pad (Sfrort)

Washer, Shouldered

#8 Internal Iocking Termlnal

Screw, #8-32 x 3/ I'n. H.M. S.

Spring, Brake Return

Motor Pulley

Set Screw

Bracket, Motor Support

Motor

MECHAN I CAL PA RTS LI ST (CONT.D. }

* Pressure Roller, WALSCO part #I4b?

* Idler Wheel, WALSCO part #1430

* Take-up Belt, WALSCO Part #1410-b0

AMP CHASSIS -TOPVIEW

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