Recordio 230 User manual

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HOWARD W, SdtS &
The llatlng of any avallable replacement part herein doeg
not con8titute in any case a recommendetlon, warranty or
guarantyby Howard W. Sams & Co., Inc., ae to the quallty
and suitability of such replacement part. The numbere of
theee parte have been compiled from lnformatlon furnished
to llovard W. Sams & Co. , Inc. , by the manufacturers of
cQ492
RECORDIO
23o.MODEL
(E |o.r I ll (C. lndlanapolls 6, lndlana
the particular type of replacement part listed. Repro-
duction or use, without expreaa permiseion, of edltorial or
pictorial content, in any manner, ls prohlbited. No patent
liability is assumed wlth respect to the use of the lnforma-
tion contained hereln. @ ISGZ Howard W. Same & Co. , Inc. ,
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TheRecordio Model 230isa two-speed(33/4and7L/2 ips) tape recorder, designed
torecord and play back dual-track monaural recordings, and in addition, play back four-track
prerecorded stereophonic tapes.
The unit uses pushbutton control for each tape transport mode. The modes of opera-
tion are: Rewind ( < ), Record, Stop, Play, and Fast Forward ( )- ).
Dual-track recording is used giving two full-Iength recordrngs on a reel of tape. Any
size reel up to ?-inches can be used-
Operate the recorder on ll5 volts AC, 60 cycle, supply only.
Manufactured By:
Recordio Corporation
Charlotte, Michigan
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Indianapolis 6, Indiana.
DATI 11 - 62
Printed in U.S. of Amerlca
sEI 603 tot0ER l1

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FIG. 1 TOP VIEW OF MECHANISM WITH COVERS REMOVED
FUNCTION OF CONTROLS AND PUSHBUNONS
On-Off, TOng, Volume - Right Channel To record, turn the Record Rereaee clockx'tse and at
the aame Ume, depresa the Record button.
This la a dua.l cortrol located at the extreDe
lower right side of the front panel. The large outer Speed Change
rim controla tlle volume of the richt channel when
playing stereophonic recordlngs. the small inner CHANGE TAPE SPEED
lrob turns the unit on and adjusts the tone for the
right channel. CAUTI0N: Oo not turn tlre speed change knob
unlesa the Stop button is depreased"
Speaker Monitor Rewind Button (< )
This control ls located to the left of the On-Off
switch. It serves as a speaker control Io! moDitorlng Rapidly wtnds the tape flom the take-up leel to
a lecordlng ln process. Turning t}lls control clock- the supply reel.
wlse turnson the left interval speater and turning the
control counterslockwiae dlaconnects the apeaker. SIOD BUttOn
The speaker monitor en'itch doeE not control the right
lnterval speaker or extenaion speakers. When depressed, tape movement in ally mode is
halted, When the recorder ls not in u8e, the Stop but-
Tone' Volume - Left Channel ton must be depreased.
Thls control is Iocated at the extreme lower Play BUttOn
left side of the flont panel. The large outer rim con-
trols the volume ol the left channel and also controla When depreased, the unit x'ill play back mon-
the recording level shen making a recordlng. The aural o! stereo prereeorded meterial.
smaU inner'lmob adjusts the tone for the left channel. FastFonrvard(>)
Record Release Rapidly vindrs the tape lrom t}le Bupply reel to
Preventa a recording from being accidentally the take-up reel wlthout lecordtng o! playhg back the
eraeed by presahg theRecord pushbutton by mistake. tape.
PAGE 2

TAPE INDICATOR
Set thecounter to zero by turning thereset lcrob
tdward the topof the recorder when starting torecord
or play back a reel of tape. If the reading of the
counter is noted at various points in the tape travel,
new program selections can be indexed or previously
recorded selections can be located
RECORD LEVEL INDICATOR
The record level indicatorgives a visual analy-
sisof the correct volume setting for the Record func-
tion. Adjust the Left Channel Volume control to the
point where the record level indicator does not quite
close on the peak passages.
External Speakers - Left and Right
Provides a connection for external speakers.
When external speakers are used, the internal speak-
ers are automatically disconnected.
Mic. lnput
Plug microphone into this jack for recording or
for public address use.
Recording lnput
Used to record audio signals from a radio,
REAR PANEL CONNECTIONS
OPERATING I NSTRUCTIONS
phonograph, or television receiver.
Stereo lnput
Used to connect phono pick-up cables from a
stereo phonograph to the recorder for playing stereo
records.
Stereo - Mon. Switch.
Set switch in the Stereo position when playing
stereo tapes or records, and in the Mon. position
when playing monaural tapes or records.
Prepari ng for 0peration
l. Remove the lid from the case.
2. Remove power cord and microphone from the
storage compartment in the rear of the case.
3. Depress the Stop button.
4. Connect thepowercordto anoutlet of theproper
rating.
CAUT l0N: Severe damage will result if the unit
is connected to a power that is not of the
proper specifications.
5. Place the speed control knob to the desired
speed.
When the forward or rewind buttons are de-
pressed, the Record and Play buttons are locked so
that they cannot be pressed down, with the possibility
of spilling the tape. The buttons should always be
pressed down firmly so they latch. Always depress
the Stop button before changing functions or speed.
When the recorder is not in use, always depress the
Stop button.
Threading the Tape
l. Place a reel of tape on the supply (left) making
sure the reel slots catch t}te protrusions of the
spindle pan. Place the reel catch down to Iock
the reel in place.
2. Place an empty reel on the take-up pan (right).
Again make sure the reel slots catch the pro-
trusions of the spindle pan. Place the reel catch
down to lock the reel in place.
Release the Stop button by pressing lightly on
any one of the other four pushbuttons so that all
buttons are in the released position. This re-
leases the tapebrakes, simplifying tape thread-
ing. t9
Unwind about 14 inches of tape from the supplyG)
reel. Hold a section of the tape straight withO
both hands and insert the tape in the tape slot.
The dull-coated side of the tape must face the
recording head.
Insert the free end of the tape into one of the
radial slots in the take-up reel. While holdtng
the tape in place, rotate the reel to secure the
tape and take up the slack.
TO RECORD FROM A MICROPHONE
Insert the microphone plug into the jack on the
rear panel labeled MIC.
With the Stop button depressed, turn the right
On -Off -Volume control clockwise until a click is
heard. Allow the recorder to warm up until the
record level indicator is illuminated.
Move the speed changeknob to the desired speed.
As a general rule, 3 3/4 ips for voice record-
ings and 7 L/ 2 ips for music recordings.
Move the Record Release knob slightly clock-
wise and simultaneously depress the Record
button until it latches.
Hold the microphone 3 to 4 inches away from
the mouth and speak in a normal tone of voice.
Adjust the Left Channel Volume control until the
record level indicator almost closes on the
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PAGE 3

louder or peak passages. The Right Channel
Volume control should be turned to minimum
before recording. The Tone controls have no
effect during recording.
To Record from Phonograph
l. Insert the phonograph output plug into ttte jack
on the rear panel labeled Input.
2. Start the recorder andproceed with the record-
ing as described under '1Io Record from Mic-
rophone. "
[tlQf[; Themicrophone should not beconnected
to the unit when making a recording from
another source.
To Use the Second Track
l. Depress the Stop button when the tape has been
wound onto the take-up reel.
2. Remove the take-up reel, turn it over and place
it on supply pan.
3. Place empty reel on take-up pan.
4. Thread tape and proceedwith recording as pre-
viously described.
To Play Monaural Recordings
l. Thread the tape as described under "Threading
, the Tape. "
2. Set the speed knob to the speed at which the re-
cording was made.
3. Place the Speaker Monitor control in the "On"
position.
4. Turn the Right Channel Volume control to min-
imum.
5. Press the Play button and adjust the Left Chan-
nel Volume andTone control to thedesired list-
ening level.
NOTE: To monitor the sound being recorded,
turn the Speaker Monitor knob clockrvise.
DISASSEMBLY
To Remove Unit f rom Case
I. Remove all push-on type knobs from the front
panel.
2. Remove two Phillips head screws from lower
escutcheon. Ren ove escutcheon.
3. Remove push-on type speed control knob.
4. Removescrev/ fromhead coverand removehead
cover.
5. Remove four screws from front trim panel and
remove trim panel.
6. Remove screws from sub-panels on rear of
case.
PAGE 4
Care mustbe taken tokeep themicrophone
far enough from the recorder to prevent
squeal due to acoustic feedback.
Rewind (< ) 0r Fast Forward ( > )
When it is desirable to play a certain portion of
a tape over again, it is not necessary to rewind the
entire reel. By depressing the revrtnd button (<)
the tape will reverse at a rapid speed. By depressing
the fast forwardbutton ( >) the tape will advanee at a
rapid speed.
To Record from Radio or W Receiver
It is possible to record sound from an external
source by placing the microphone in front of the
speaker, however, this is not recommended, as back-
ground noise will be recorded along with ttre desired
program material.
For noise free recordings, record direcfly
from the speaker voice coil terminals of the radio or
TV receiver as follows:
l. Insert the plug of a patch cord into the jack on
t}te rear panel labeled Input.
2. Connect the patch cord clips to the speaker
voice coil terminals of a TV receiver.
3. Adjust the volume control of the radio or TV
receiver to normal room volume. Set the tone
controlof theradio or TVreceiver to fuUtreble
4. Proceed with the recording as described under
'To Record from "Microphone. "
To Play Stereophonic Tape
l. Thread the tape as described under "Threading
the Tape. "
2. Set the speed knob to the speed atwhich the tape
was recorded.
3. Place Speaker Monitor control to the "On" po-
sition.
4" Adjust the Right and Left Channel Volume and
Tone controls to the deslred listening level.
I NSTRUCTl ONS
7. Remove screws from top of cabinet.
8. Remove two screws from front mechanism panel.
9. Lift tapetransport andamplifier assemblypart-
iallyout front ofcabinet. Unplug the four speak-
er leads and plug, remove AC cord clamp, and
remove the unit from the case.
To Remove Amplif ier f rom Transprt Mechanism
1. Remove seven sheetmetal screws from ampli-
fier. Remove bottom cover.
2. Removemotor andpower transformerplug from
amplifier chassis.
3. Diseonnect thefour leads from therecord-play-

F IG. 2 BOTTOM V IEW OF MECHAN I SM
back head" Pull leads tlrough hole in flont 6. Caretully lift the ampllfler a$ay from thetrans-
mechanlsm plate. port Dechanism and disconnect the play-record
4. Remove speaker Monrtor awitch from front svltch actuatlng ltnk'
mechaniam plate. 7, To reassemble, reverse the foregoing proced-
5. Remove two acrews from each end ol ampllfler ure'
chasais.
CLEAN ING
Most deiects, other than wear ot breakage, can pertodlcally removed because lt wiU cause falnt re-
be traced to dirty surfaces. Recold-Playback head cording and poor playback. Wipe these aurfaces care-
(43), capstan, and pressure roller (37) accumulate a fully with a clean cloth. ff drt iE caked o! hard and
coaung ol tape oxide, which ls worn off t}le tape as it will not come off with a dry clotl, dampen tlle cloti
passea tlese parts. Thls accumulation should be slighuy witl alcohol.
LU BR ICAT ION
AU lotattng parts have generous size Oiltte 4. AU ider alld drlve wheel bearings.
bearings, which are factory lubricated- Under nor-
mal use, no further lubrication is necessaly. In 5. The reel-spindle bearilgs.
heavy drty service, tlte following parte should be lub-
rlcated once ayear wlth a drop of a good grade motor Be careful not to overlubrlcate. Oil muat be
oil. kept off all rubber ldlers and belts, ttre flywheel rtm,
and off any parta tiat may tranafe! oll to tiem, Al-
l. The top and bottom motor bearlnga. v/ays y,ipe excess oil trom lubricated parts.
2. The capstan bearing. Ocsaslonally remove foreign matte! from under
the puahbutton assembly and place a dlop ofoil on the
3. Preseure roUer (37) beariry. sliding lever membera.
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FIG. 3B EXPLODEDVIEW OF PARTS BELOW BASEPLATE
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PAGE 7

MECHAN I CAL A DJ U STIVIENTS
Pressure Pad Adjustment
I. Remove front escutcheon (12).
2. Depress the Play button. Do not turn the re-
corder on.
3. Using a pencil-type postal scale, check the
pressurerequired to iustpull the right padaway
frorn the record-playback head (43). If necess-
a;tyt adjust locked adjustment screw until a
reading ot L 3/ 4 owrce !L/ 4 ounce is obtained.
4. Adjust guide post pressure pad (Ieft pad) by
bending the pressure pad spring (21). It must
be adjusted for minimum pressure against the
tape.
5. After making the adjustment, depress the Stop
button and replace the front escutcheon (12).
Erase Head
l. With tape properly threaded, turn recorder on
and depress the Record button. Allow the tape
to run for a few seconds. Leaving the Record
button depressed, turn the recorder off.
2. Check to see that the erase head(a?) is parallel
with the tape. Make sure that the top edge of the
tape coincldes with the top end of the diagonal
slot in the erase head (junction of long diagonal
and short vertical slot).
3. Toadjust the level of the tape, loosen set screw
(50) and rotate tape guide post (51) to move the
tape up or down.
Brake Shoe
I. With all pushbuttons in the up position, brake
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FIG. 4 MOTOR AND TRANSFORMER-IVIffi
pads should clear the brake drums (68) and (Sg)
by L/ 8 inch.
2. Depress the Stop button while observing the
brake pads. Both brake pads must contact the
brake drums at the same time and with equal
pressure.
3. If necessary, adjust the pressure by bending
brake spring (61).
Record- Playback Head Al ignment
Using a standard alignment tape, adjust the
azimuth adjusting screw for murimum high-frequency
response. Head height may be adjusted by loosening
the two nuts on the side of the Record-playback head
and moving the head up or down until the top edge of
the tape iseven with the topedge of the top polepiece.
TROUBLE CHART
Sym ptom Cause Remedy
Pushbuttons fail tolateh into
position. 1. Lock plate spring (38) discon-
nected or broken. l. Connect or replace spring (38).
No drive in Record or Play
modes. Idler tension springs (96) dis-
connected or broken.
Idler slide plate (?2) binding on
bushlng (73), preventing idler
wheel (?1) from moving forward.
Connect or replace springs (96).
Check slide plate (?2) and bush-
ing for burrs. Clean with alco-
hol.
I.
2.
1.
2.
No take-up during Play or
Record. Take-up drive belt (23) discon-
nected or broken.
Reel pan shaft binding.
Oil on take-up drive belt (23).
Connect or replace take-updrive
belt (23).
Clean spindle bearing and lubri-
cate bearing.
Clean belt (23) and pulley sur-
faces.
l.
2.
3.
l.
2.
3.
No Fast Forwardor Rewind. Idler lever tension spring (60)
disconneeted or broken.
Idler drive bett (6?) broken or
not properly connected.
Oil on idler drive bett (67) and
pulley surfaces.
Connect or replace spring (60).
Replace idler drive belt (6?).
Clean idler drive belt (67) and
pulley surfaces.
l.
2.
3.
t.
2.
3.
PAGE 8

TROUBLE CHART ( CON'T. )
Symptom Cause Rem edy
Tape spills when Stop button
Is depressed- l. Brake shoes out of a{ustment.
2. Brake pads (62) missing or
worn.
See "Brake Shoe Adjustment"
under Mechanical Adjustments.
Replace brake pads (62).
1.
2.
'\ilow" during operation of
recorder. Brake return spring (58A) dis-
connected or broken.
Oil on drivlng surfaces.
Connect or replace spring (58A).
Clean all driving surfaces with a
soft cloth and alcohol.
l.
2.
l.
2"
'rFlutter rr during operation of
recorder- 1.. Dirty recordalayback head (43),
pressure pads, capstan shaft,
or pressure roller (37).
I. Clean as describedunder "Clean-
ing. t'
No erase or eraseis incom-
pIete. Erase head tension spring (33)
disconnected or broken.
Erase head (47) not adjusted
properly.
Connect or replace spring (33).
See 'Erase Ilead Adjustment"
under Mechanical Adjustments.
I.
2.
1.
2"
No tape movement ln any
mode of operation. l. Defective motor (80). l. Replace motor (80).
Tape counter does not func-
tion. l. Tape counter drive belt (94)
disconnected or broken. I. Replace tape counter drive belt
(s4).
MECHANICAL PARTS LIST v
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35
36
37*
38
39
40
4l
42
43
44
45
46
47
48
49
50
5l
52
53
54
55
56
57
58
58A
59
60
6l
62
63
64
65
66
2
3
4
5
6
7
I
I
10
1l
L2
13
L4
l5
I6
L7
18
i9
20
2L
22
23*
24
25
26
27
28
29
30
3l
32
33
34
c-r3.3r8-6
73-2254-3
D-13.450-2
c-13.3i8-6
B-28.163
B-13.467
73-2254-3
B-13.469
B-r3.468
19.1728
B-13.458-2
B-13.458-l
B-33.412
B-19.881
B-I9. 868
B-19. 892
c-19. 839-l
*B-28.175
E-13.464
B-19. 858-l
B-19. 876
B-31-337
B-19.859
B-19.1699-l
B-r9. 1364-i
B-31.361
B-33.418-2
B-28. 163
*B-33.404
B-31.343
B-31- 360
B-32.309
57-3439-0
B-36.254
B-r9.990
c-r9.1696
c-35. 756
73-2233-5
57-16B-613-0
57 -3 934 -0
B-32-300
48-4r0-1
B-32.260
B-31.446 -2
B-32.495
B-19.8?7
B-3I.498
B-35.835
B-31. 338
B-35.1046
B-3r.339
B-35.1070-l
B-31. 335
B-35. r05r
B-32" 275 -r
c -r3. 257-l
B-35. 1066
Cycolac ReeI Pan and Shaft
Assembly (Sfack)
Knob, Speed Change
Washer, Felt
Screw
Rear Escutcheon
Cycolac Reel Pan and Shaft
Assembly
Washer, Linen
Knob
Washer, Felt
Knob, Tone (Top Section)
Knob, Volume (Bottom Sec. )
Front Escutcheon
Pushbutton (Black)
Pushbutton (Alum. )
Cabinet Cover Front Plate
Push-On Stud Nut, 3/16"
Washer
Playback Actuating Lever
Wastrer, Shouldered
Record Slide Plate
Spring, Pressure Pad
Playback S1ide Plate
*Take-up BeIt
Baseplate
Pushbutton Retainer Bracket
Pushbutton Lever
Spring, Pushbutton Return
Pushbutton Hinge Bracket
Record Lock
Record Lock Mounting Plate
Spring, Record Lock Return
Screw
Spring, Erase Head Tension
Record Actuating Lever Assry.
'E" Ring, 3/16" Shaft
Washer, Linen
'iPressure Roller
Spring Pushbutton Lock Plate
Washer
Spring, Pressure RoIIer Ten
Tape Guide Post (Right)
Set Screw, #6-32 x 3/16"
Bristol Head
Play=Record Head
Spring, Play-Record Head
Pressure Roller Plate
Tape Gulde Lug
Erase Head Assembly
#6 Int. Lockwasher
#6-32 x 13/16" R. H. M. S.
Set Screw, #6-32 x 3/16"
Bristol Head
Tape duide Post (Right)
#6-32 Hex Nut
Tape Guide Post Spacer
Spring, Record Head Return
Shaft, Record Lock
Lever, Amplifler Switch
Link, Record Lock
Plate Assembly, Brake Slide
Spring, Brake Return
ShiJt Plate Assembly
Spring, Idler Lever Tension
Brake Spring Assembly
Brake Pad, Felt
Idler Lever Assembly
#8-32 Hex. Hd- Shouldered
Screw
Flywheel
Sheave Pulley Assembly
PAGE 9

MECHANICAL PARTS LIST ( CON'T. )
Ref.
No. Part
No- Description Ref.
No. Part
No. Description
83
84
85
86
8?
88
89
90
9I
92
93
94
95
96
9?
98
99
100
B-28.194-2
c -r9. 837
B-r9.8?5
B-3r.333
33.650
B-19.1739
c-19.968
B-19.996
B-32.275
B-33.405
B-28. 163
B-32.293
B-31.324
B-r9.96r
B-19.976-1
73-2231-5
57-6C-805-r
Shock Mount
Motor Mountlng Plate
Lever, Record Actuating
Link, Switch Arm
Tape Counter
Cotrnter Mounting Bracket
Brake Drum
Sub Idler Plate
#8-32 Hex. Hd- Shouldered
Serew
Sub Idler Wheel
Linen Washer
Counter Belt
Speed Control Shaft
Spring, Idler Tension (2)
Spring Clip
Drive Morurting Plate Bracket
#8 Internal Lockwasher
Screw, #8-32 x S/t6" R. H. M. S.
70
?l*
72
73
74
75
?6
77
?8
?9
80
8t
82
67*
68
69
*B-28.181
c-r9.968
5?-3589-t
B-32.288
*B-33;408
B-35. 1064-t
B-32.264
B-19. r43r-l
B-3r.327
B-19.862
D-19. 1373
B-33.534
B-13.471-L
D-36. 153
48-2221
B-33.411
*Idler Drive Belt
Brake Drum
#8-32 x L/ 4" Bristol Hd. Set
Screw
Motor Pulley
*Idler Wheel
Idler Slide Plate Assembly
Idler Slide Bushing
Idler Throw-out Lever
Spring, Idler Lift Compression
Angle Bracket for Morurtlng
Drive Assembly
Motor & Transformer Mounting
Plate
Cable Clamp, Nylon
Motor Fan
Drive Motor
#10-32 Elastic Stop Nut
FIat Washer
* Takeup Drive Belt, WALSCO Part No" l4l0-50
* Pressure Roller, WALSCO Part No. 1457 Idler Drive Belt, WALSCO Part No. 14f0-0?
Idler Wheel, WALSCO Part No. 1430
*
*
PAGE I O