Recordio 591 - Page 10

TROUBLE
CHART
(CON'T.
)
Symptom Cause
Remedy
2. Idler slide
plate (106)
binding
on idler
slide
bushing
(10?),
thus
preventing
idler
wheel
(135)
from
moving
forward.
2. Check idler slide
pfate (106)
and
bushing
(10?)
for burrs.
Clean with alcohol.
Push
buttons
fail to
latch
into
position.
l. Locking
plate
spring
(58)
disconnected
or
broken.
l. Connect or
replace locking
piate
spring
(58).
Poor high
-
frequeney
re-
sponse:
Ilead not making
proper
contact with
tape.
Improper
head
alignment.
Faulty amplifier.
l. Clean
the head.
Align
head.
Use
standard
audio trouble
shooting
procedures.
2.
3.
2.
3.
IIum
Microphone
near equipment
producing
hum.
Microphone
leads
insuffi-
ciently shielded.
Move
microphone away
from
equipment.
Make
sure
Ieads
are
properly
shielded.
2.
2.
Tape
scrapes against
edge
of
reeI.
l. Reel
warped.
guides
out of
adjust-
Replace
reel.
Realign
tape
guides.
l.
2.
2.
Tape
ment.
Distorted
recordingl
low
volume due
to
no
recording
biae.
Faulty
bias
oscillator tube
or
oscillator
coil.
Faulty
play-record
head.
Check oscillator tube and os-
cillator coil.
Replace
head.
l.
2.
2.
MECHANICAL
PARTS LIST
2
3
4
5
6
7
l5
r6
T7
18
l9
20
2L
22
23
24
25
26
27
28
29
30
3l
32
I
I
10
c-13.253-?
c-13.253-9
73-2254-3
57-4C-624-5
5?-4C-405-5
B-32.302-2
73-2334-L
D-13.292-2
D-r3.280-5
c-r3.318-0
B-28.
163
c-13.254-r5
c-r3.254-14
5?-lC-618-1
B-35.851-l
B-19.975-2
Speed Shift
Knob
(Black)
(Model602)
Speed Shift
Knob
(Gray)
(Model
591)
FeItWasherS/4xU4I.D.
xL/ L6
Screw
*4-40
x
b/16
O.H.M.S. Phil
SU.
N.
P.
(Modet
602)
Timer Knob
(Chrome)
(Model
602)
#6 Cantlink Waeher
Timer
Escutcheon
(Siiver)
(Model602)
Timer
Escutcheon
(Brown)
(Model
591)
Nylon
Reel
Pan and
Shaft
Ass'y.
(RiSh0
Llnen
Washer
3/ 8 x
7/ 32 x
.0I0
Black Varnished
Control
Knob,
2
(Black)
(Model602)
Control
Knob, 2
(Brown)
(Model
591)
#6-32x1/SPhtllips
B.It.
M.S.
Timer
Straft
and
Indicator
Aesry.
Rear Eecutcheon Plate
E-13.295-8
E-r3.295-?
c-r3.3r8-0
57-4C-610-5
B-19.156r
B-33.446
E-r}.424-2
E-13.424-L
57-3439-0
B-32.300
48-410-l
B-32.260
c-35.
?56-I
B-tg.1410-l
B-35.
1067-2
57-3439-0
B-32.282
Front Escutcheon
(Silver)
(Model602)
Front Escutcheon
(White)
(Model
59i)
Nylon ReeI Pan and Shaft
Ass'y.
(Left)
Not
used
in
These
Models
Not used ln These
Models
#6-32 x 5/ 8 Philhps
O" H.
M.
Screw
Spacer
IIex Nut
Spacer
(2)
Baseplate
(Gray
llammertex)
(Model602)
Baseplate
(brown
llammertex)
(Model
591)
#6-32 x 3/16
Bristol
Head
Set Screw
Tape Gulde Post
(Left)
lf6-32 Hex Nut
Tape
Guide Post
Spacer
Erase Eead
Erase
Head Plate
Pinch
Roller
and
Record
Ilead
Assry.
#6-32
x 3/16
Bristol
Hd.
Set
Screw
Tape Guide Post
(Right)
u
L2
l3
Page
10