Knight KN-4060 User manual

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This recorder operates on 60 cycles, 105-120 volts AC only.
Supplied By:
Allied Radio
100 N. Western Avenue
Chicago 80, lllinois
KNIGHT
MODEL KN-4O6O (92RV774'
I 7/8 ips
4 hours
6 hours
8 hours
Printed in U.S. of America
stT 537
-o'EmmE
7L/2ips
I hour
l. / 2 hours
2 hours
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GENERAL INFORMATION
Knight Model KN-4060 is a three-speed tape recorder and can play back both monaural
and stereophonic recordings.
Model KN-4060 will record and play back both monaural and stereo when connected to an
appropriate amplifier system. Recordings can be made from a microphone, radio, phonograph,
tuner, or TV set.
This model has three tape speeds, 7 I/2, 3 3/ 4 and f ?/8 ips. A two-position equaliza-
tion switch for 7 L/ 2 ips and 3 3/ 4 ot I ?l I ips is provided. Using both tracks, recording
times are as follow:
Tape Lengt}
1200 ft.
1800 ft.
2400 ft.
3 3/4 ips
2 hours
3 hours
4 hours
HOWARD W. SATUS &
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 furnlshed
to Howard W. Sams & Co. , Inc. , by the manufacturers of
cQ450
G (o.r I t (C. lndlanapolls 6, lndlana
the particular type of replacement part listed. Repro-
duction or use, without express permission, of edltorial or
pictortal content, in any manner, ie prohibited. No patent
liability ig asgumed with reepect to the use of the lnforma-
tion contained herein. @ tS6t Howard W. Same & Co. , Inc. ,
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FUNCTION OF CONTROLS
Power 0n-0ff, Volum'e Control #l
Turns power on and off for the entire unit.
Regulates volume on monaural and first channel stereo
playback. Determines the recording level on monaural
and first channel stereo recordings.
Volume Control #2
Controls the record level and volumefor stereo
recording and playback on channel two.
FUNCTION OF
In order for the pushbuttons to work properly,
theyshould be depressed firmly. All buttons lock into
position when depressed except stop and pause. The
recorder can be ehanged from one function to another
immediately except from wind and rewind to play; in
this case, the stop button must first be depressed.
Stop
Applies brake to botlt spindles and returns all
pushbuttons to neutral.
Record
Moves the play-record switch into record posi-
tion.
Rewind
Returns tape rapidly to supply reel. Moves
wind-rewind pulley, increasing tension on rewind belt
Rotary Speed Selector
Selects the desired tape speed: 7-I/ 2, 3-3/ 4 or
i-?/ 8 ips. This control cannot be turned unless the
pushbuttons are in the Stop position.
Equalization Switch
Equalizes the response f.or 7-L/ 2 ips speed in
the up position, for 3'3/4 and l-?/8 ips speeds in the
down position.
PUSHBUTTONS
which turns the supply sPindle.
Wind
Moves tape rapidly in playand record direction.
Moveswind-rewind pulley, increasing tension on rvind
belt which turns the takeup spindle.
Play
Moves the tape for playback (or recording, if
Record button is depressed simultaneously). Brings
pressure roller and pressure pads into position against
the capstan and record head.
Pause
Stops the tape by removing the pressure roller
f rom the capstan and applying the brakes to the spindle.
Record or playback settings are not disturbed.
The input and output jacks are located on the
rear of the recorder. The top left jack is channel I
input and lower left jack is channel 2 input. The two
middte jacks are for monitoring; the upper for chan-
OPERATI NG
Threading the Tape
Place a reel of tape on the left spindle; empty
reel on right spindle. Thread the tape in slot with
shiny side toward the front of recorder. Insert loose
end of tape into one of the slots in the empty reel and
turn reel cowrterclockwiseto takeup slack inthe tape.
To Wind or R€lvind Tape
Depress ttte Wind or Rewind button to move the
tape in the desired direction. Depress the Stop button
to stop the tape. The recorderwill stop automatically
at the end of the reel.
To Make a Monaural Recording
' Plug the microphone into the Low Level input
jack. Set the rotary Speed Selector to the desired
speed. Turn the power on with the On-Off-Volume
Page 2
INPUT AND OUTPUT JACKS
nel I and the lower for ehannel 2. The two jacks on
the right are the output jacksl the upper for channel I
and the lower for channel 2.
I NSTRUCTI ONS
control #1. Allowsulficient timefor the tubes towarm
up. Depress the Record button and adjust Volume
control #1 so the level meter will go into the red por-
tion on the loudest passage. Ilold the Record button
down anddepress the PIay button until bothare locked
inthe down position. If both buttons willnot stay down
or a buzzing sound is heard, the tape is not properly
threaded. Depress the Stop button at the end of a re-
cordingl at the end of the tape, the recorder sriU stop
automatieally.
Hold the microphone approximateiy eight inches
from themouth when recording voice. Place the mic-
rophone two or three feet in front of the loudspeaker
when recording from a radio, phonograph, or TV set.
Ilold the Pause button down to interrupt a record-
ing briefly. The recorderwill continueto recordwhen
the Pause button is released.

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It is possible to record directly from a radio,
phonograph, tuner, or TV set by eonnecting a patch
cord between the High Level jack and the desired
instrument.
To Play Monaural Recordings
Thread the tape as deseribed under 'Threading
the Tape". Connect the recorder to an amplifier
system. Depress the Play button. Adjust Volume #1
control. Turn Volume #2 fuffy counterelockwise.
To Play Stereophonic Tapes
Connect the recorder to a stereo amplifier.
Thread the tape and turn the recorder on. Depress
the Play button and adjust Volume controls #t and #2
until t}te volume level meters are fluctuating equally.
To Make a Stereophonic Recording
Plug one microphone into the upper input jack
and another microphone into the lower input jack lo-
cated on the rear of the recorder. Rotate the On-Off-
Volume control #l clockwise to turn the power on-
Adjust Volume control#l and Volume control#2 sothe
Level meters will register the same on the loudest
passage of sound. HoId Record button down and de-
press the Play button until both are locked into posi-
tion. If both buttons will not stay down or a buzzing
noise is heard, the tape is not properly threaded.
Hold the microphone approximately eight inches
from themouth when recording voice andtwo or three
feet from the loudspeaker when reeording from a
radio, phonograph, or TV set.
Hold the Pause button down to interrupt a re-
cording briefly. The recorder will continue to record
when the pause button is released.
Head Lifter
Push left lever of headlifter down forfour-track
recordings, and right lever down for two-traek re-
cordings.
To Edit and Splice Tape
Sinceone track cannot bespliced without affect-
ingthe other, recordingsto beedited should belimited
to one track tapes. Unwanted portions can be cut out
and the desired selections joined together. Tapes
should be cut at a slight diagonal and the ends joined
together with splicing tape on the glossy side. Exeess
splicing tape should be trimmed from the sides of the
tape.
N0TE: Use splicing tape only. Do not use
regular cellophane tape. O
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To Remove Recorder from Case
I. Remove the escutcheonf rom
jacks.
2. Remove five screws from
four bolts from side.
FIG.2 BOTTOM V IEt/V OF MECHAN I SM
DISASSEMBLY
3.
the input andoutput
Set case on side and slide the mechanism for-
ward.
4. Reverse foregoing procedure to reassemble.
Loosen mounting nuts at side of head mounting
bracket assembly (42). Set top of upper gap
even with top of tape. Tighten mounting nuts.
Adjust for maximum output by turning alignment
screw, on right side of mounting bracket, while
playing a prerecorded alignment tape.
Repeat steps 2 and 3.
bottom of case and
ADJUSTMENTS
Erase Head z.
Loosen mounting nuts and set erase head sothat
top of head gap is even with top of tape. Tighten
mounting nuts. 3.
Record-Playback Head
l. Put head in up position by pushing down on left 4.
tab of head mounting bracket assembly (42).
CLEAN ING
Pressure roller (22), capstan, and recording
head (25) should be cleaned oceasionally of dirt and
foreign matterwith a soft cloth moistenedwith alcohol.
Page 4
LU BR I CATI ON
These recorders do not require lubrication under
normal use. When disassembled for repair, wipe all
bearings andsliding levers with a clean soft cloth and
apply a thin coat of oil to their sur{aces.

TROUBLE CHART
Symptom Cause Remedy
Tape f ails to move when Play
button is depressed. l. Worn or dirty pressure roller
(22).
Supply spindle binds.
Not enougli pressure to hold pres-
sure roller (22) against flywheel
(54).
4. Idler wheel spring (55) weak or 4.
missing.
5. Posts of idler arm pivot (56) 5.
rusted or plate bent.
l. Clean or replace pressure roller
(22).
Clean supply spindle or loosen
brake cord.
Increase tension of back tension
spring (72). Pressure should be
L6-24 oz.
Replace idler wheel spring (55).
Clean posts or straighten plate.
2.
3.
2"
3"
Tape fails to move when
Wind or Rewind button is
depressed.
Idler belt(63)slipping or missing.
Brakes (12?) too tight.
Wind or Rewind belts (64) broken
or too tight.
4. Idler pulley assry. (65) binding. 4.
l. Clean or replace idler drive belt
(63).
Loosen brake cord (12?) from the
mounting stud side.
Replace wind or rewind belt (64).
Idler pulley arm (61) should have
L/16"! l/32" travel from left to
right in idle position without
stretching the belts.
Remove i.dler pulley (65), clean
shaJt on arm idler pulley ass'y.,
oil, and replace pulley.
l.
2.
3.
2.
3.
Variation in speed after
reeorder has been in opera-
tion.
l. Pressure roller (22) too tight
against flywheel (54).
Oil or dirt on flywheel (54), idler
wheel (58), idler pulley (65), or
motor pulley (i24).
Wind-Rewind belts (64) too short.
4. Pressure pad springs (16) and(l?) 4.
too tight.
Adjust as mentioned in remedy 3
of first symptom.
Clean surfaces of these parts with
an industrial cleaner.
Adjust idler pulley arm (61) as
mentioned in remedy 3 of preced-
ing symptom.
Loosen springs by bending anchor
back.
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2.
3.
2.
3.
No speed change. Speed change bracket (lll) arm
jumpedout ofgroove ofidler arm
(?5).
Speed sliding post gummed up or
corroded.
Support bracket of idler arm (?5)
jumped to left of play lever and
cam bracket (71).
I.
l. Reposition speed change bracket
(l1I) arm in groove. Tighten lever
retainer spring (92). Straighten
speed change bracket (lU).
Clean or replace sliding post and
apply a thin film of oil.
Bend support bracket (?5) down so
it will clear top of play lever and
cam bracket (?l).
2.
3.
2.
3.
Automatic stop does not
function. l. Solenoid arm (104) too far from
solenoid. l. Bend solenoid arm (104) so that
there is no more than lrl 8" clear-
ance between solenoid arm (I04)
and solenoid.
Incomplete Erase. Dirty erase head (3f).
Defective electrical components.
Clean erase head (31) with soft
cloth and alcohol.
Check voltages and resistances.
Replace defective part.
I.
2.
l.
2.
Recording weakordistorted. l.
2.
Dirty record-playback head (25).
Defeetive electrical components.
Clean record-playback head (25)
with a soft eloth and aleohol.
Check voltages and resistances.
Replace defective part.
l.
2.
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CHANNEL I
A Howcrd w. sqmr !$SfS rmro PRINTTD BOARDS
CI{ANNEL 2
ARROWS INDICATING TUgE TOCATIONS ARE
POINTING TO PIN I UNLE5S OTHERWISE INDICATED
CHASSIS-BOTTOM VIEW
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A PHOTOFACT "EXPLODED" VIEV
o Howrrd !/. Sror I Co., lK I 96 I
Page 9
FIG.3A EXPLODED VIEW OF PARTS ABOVE BASE PLATE

A PHOTOFACT "EXPLODEIT' VEV
oHowrrd V. Srnr tCo., hc l96l
FIG.3B EXPLODED VIEW OF PARTS BELOW BASE PLATE
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FIG.4 BOTTOM VIEW OF MECHANISM WITH MOTOR MOUNTING PLATE RTMOVED
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Page I I
MECHANICAL PARTS LIST
Ref .
No. Part
No. Description Ref .
No. Part
No. Description
I
2
3
4
5
6
7
8
9
10
ll
L2
r3
l4
15
16
l7
I8
19
2A
2L
TP-1249
TS-2r52
5133-25
TA-I488
TB-2151
TE-276-3
TS-r993
TS-1902
TA-1349
TS-1985
5133 -25
On-Off -Volume Stereo Knobs
VU Meters
Screw, 6-32 x L/ 4 PhiL.
Truss. Hd.
Dress Plate
Eseutcheon
Escrrtcheon Screw
Spindle
Washers
Ball Race
Retaining Ring
Washer . 255 I. D. x l/ 2 O.D.
x .0I0 Thick Steel
Pressure Roller Plate Ass'y.
Motor Board
Rear Escutcheon
Pushbuttons
Erase Head Pressure Pad
Spring
Record Head Pressure Pad
Spring
Pushbutton Ass'y. Bracket
Pushbutton Spring
Retaining Ring
Washer, .255 I.D. x L/ 2 O.D.
x .0I0
28
29
30
3r
32
33
34
35
36
37
38
39
40
4L
42
22
23
24
25
26
27
TR-r846
TG-476
TH-584
TB-2130
5133-r2
TB-2137
TB.1067
TG-461
TL-354-r
TA-1560
TL-354
TS-r986
5133-r8
TB.2I52
TS-1984
TB-2028
Pressure Roller
Washer
Right Tape Guide Post
Record-Play Head L/ 4 Truck
Stereo
Record Head Pressure Pad
Bracket
Screw, 6 x 3/ 8 Hex Sheet Metal
Type Z
Retaining Ring
Erase Head Pad Bracket
Pressure Roller Stop Plate
Brkt.
Erase Head - L/ 4 Track
Left Tape Guide Post
Stop Pushbutton Lever
Record Switch Lever
Pushbutton Lever
Washer . 203 I. D. x 3/ 8 O. D.
xI/32
Record Switch Spring
Retaining Ring
Erase Head Bracket
Tape Guide Wire
Pushbutton Latch Spring
Record-Play Head Mtg. Brkt.

MECHAN ICAL PARTS LIST ( CON'T. }
43
44
45
46
47
48
49
50
5l
52
53
54
55
56
57
58*
59
60
6r
62
63*
64
65
66
67
68
69
?0
7L
72
73
74
75
76
77
?8
79
80
BI
82
83
84
85
86
8?
TC-1747
TR-i614
TA-1252
TS-2085
TA-u83
265
TB-2180
TF-324
TS-1993-r
TA-II?4
TW-424*
TS-2041
TA-1225
TA-1163
TS-r981
TR-1548*
TB-1018
TA-1489
TW-454
5r33 -25
TS-I9BB
TS-2086
TS-r9ll
TA-1176-r
TS-2244
TA-ll?3-l
TB-r050
TA-[?2
TR-16r5
TR-1615
5r33-25
TR-1416
5r33 -r2
TS-2245
TS-1990
TA-1i69
Counter Ass'y.
Counter Drive Belt
Flywheel Thrust Plate Ass'y.
No. 6 Lo-ckwasher
Screw, 6-32 x f/ 2 Phif. Bdg.
Brake Cord Spring
Countep.'dnd Brake Pulley Ass'y
Splndlg,Fulley for Drive BeIt
Set Screw
Motor Mounting Bracket
Washer
Flywheel
Idler Wheel Spring
Idler Arm Pivot Ass'y.
Fiber Washer
*Idler Wheel
Takeup Compression Spring
Idler Release Rod Ass'y.
Idler Pulley Arm Ass'y.
Wind Spring
*Idler Drive BeIt
Wind or Rewind Belt
Idler PuJ.Iey Ass'y.
Fiber Thrust Washer
Retaining Ring
Pause Linkage Spring
Swivel Head Lifter ShaJt
Idler Elevation Shajt
Play Lever and Cam Ass'y.
Pressure Roller Tension Spring
Brake Arm Ass'y.
Brake Cord Retainer Bracket
Idler Arm Support Speed Change
Assembly
Push Rod
Push Rod
Washer
Retaining Ring
Switch Cam Roller
Retaining Ring
Cam Lever Spring
Brake Spring
Automatic Stop Actuator
Washer, 6 x 3/ 8 xl/ 32 FL.
Steel
No. 6 Lockwasher
Screw, 6-32 x 3/8 Phil. Bdg.
Hd. Mach.
B8
89
90
91
92
93
94
95
96
97
98
99
r00
t0l
r02
103
104
r05
106
l0?
108
109
110
lil
Il2
lr3
1r4
lr5
lr6
ll7
118
119
r20
TzL
t22
123
124
t25
126
r27
TA-rU0-l
TS-1993
5133 -12
TS-r980
5133 -18
TS-1981
TL-346
5133-25
TL-36I
5133 -25
TS-2r?0
TP-IOOB
TA-125I
TC-174r
TA-1164
265
TL-36?
TB-i093
Automatic. Shutoff Bracket Ass' y
Automatic Stop Spring
Retaining Ring
Speed Selector Lift Lever (Part
of Item lll)
Speed Selector Spring
Retaining Ring
Washer, .I92 I.D. x 3/8 O.D.
x .010 Thick
Fiber Washer
Rewind Spring
Washer, No. 6I.D. x7/LG
Screw,6x3/8Hex. Sheet
Metal Type Z
Washer, .225 I.D. xL/ 2 O.D.
x .010 Thick
Wind Spring Link
Fiber Washer
Washer, . 225 I. D. x l/ 2 O.D.
x .010 Thick
Retaining Ring
Solenoid Arm Lever
Lockwasher
Screw
Steel Washer
Retaining Ring
Speed Selector Locking Plate
Spacer
Speed Selector Locking Plate
Speed Selector Bracket Ass'y.
Speed Selector Wheel
Brake Pulley
Spindle Pulley for Drive Belt
Rewind Spring Link
Motor Mounting Serew
Lockwasher
Flat Washer
Motor Mounting Plate
Grommet
Spacer
Washer
Motor
Motor Pulley
Fan
Set Screw
Brake Cord,Dacron 24" Long
* Idler Wheel-WALSCO
Part No. l4?5
Idler Drive Belt-WALSCO
Part No. 1410-06
Page I 2

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CHANNEL I PRINTED BOARD-TOP VIEW
CHANNEL 2 PRINTED BOARD-TOP VIEW
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