Audiomatic A-900 Manuale - Pagina 13
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Stampa la paginaTROUBLE
CHART
(
COnt,d}
Symptom
Cause
Remedy
2. Idlerdrivebelt(118)broken or
not
pro-
perly
connected.
2.
Replace
idler drive
belt
(118).
Tape
spills
whenStop
but-
ton
is
depressed during
fast
Forward
or
Rewind.
1.
Brake
shoes
out
of
adjustment.
2.
Brake
pads
worn
out
or
missing.
1.
See
"BrakeShoe Adjust-
ment"
under
Mechanical
Adjustments.
2.
Replace
brake
pads.
'\ilow"
during
operation
of recorder.
1. Brake
return spring
(92)
disconnected
or
broken.
2.
Check
all
driving
surfaces
for oil or
foreign matter"
1.
Connect
or
replace
spring
(92).
2. Clean
with a
cloth
and
alcohol.
"Flutt
er
" duringoper-
ation
of recorder.
1.
Dirty
play-record
head
(57),
pressure
pads,
capstan
shaft
or
pressure
roller
(6?).
1.
Clean
as
described
un-
der
'Cleaning".
No
erase
or
erase
is in-
complete.
1.
Erase
head
tension spring
(40)
discon-
nected
or
broken.
2.
Erase
head
(52)
not
adjusted
properly"
1,
Connect
or
replace
spring
(40).
2.
See
"Erase
Head
Adjust-
ment" und
er
Mechanical
Adjustments.
Does
not record.
1.
Faulty
microphone
or
cord.
2. Faulty
input jack.
Faulty
tube.
Open
piay-record
head (5?).
1.
Replace
if
necessarye
af
t
er
checking recorder
with
another type
of
input,
2.
Check
and
replace
if
ne-
ce$sary.
3.
Check tubes.
4.
Check
continuity. After
checking
for continuity,
de-
magnetize
head.
3.
4.
C
g
o
>3
.lo
t
ti
3
o ('
Irt
F
Motor
and
amplifier in-
operative"
1.
Power
supply defect.
Damaged
power
cord.
Defective On-Off
switch.
2,
3.
1.
Checkvoltages
per
sche-
matic.
2.
Repair
or
replace.
l.
Replace
switch.
AFAMP/OUTPUT
-rr
o
I
m
v
\n
13
Fig.
8.
Top
view
of amplifier.