Sanyo RD 203 - Mechanical Adjustments Continued; Tape Running Condition Adjustment; Auto Shut-off Mechanism Troubleshooting

MECHANICAL ADJUSTMENTS (continued)
TAPE
RUNNING
CONDITION
ADJUSTMENT
AUTO
SHUT-OFF
MECHANISM.
1.
Prepare
the
cassette
tape
{C-120)
as
the
test
tape
for
this
(TROUBLE
SHOOTING)
adjustment. If there is a problem with the Auto Shut-off mechanism repair
it referring to the following troubleshooting. — : |
Stop Lever
ASO Beit.
Bushing
Friction Assy
| . ASO Pulley
2.
Play
back
the
test
tape.
Then,
check
to
see
that
the
tape
is
not
curling
along
the
Tape
Guide
of
the
Erase
Head
while
the
test
tape
is
being
played
back.
|
ASO
Lever
3.
If
necessary,
tighten
the
adjusting
screw
and
slowly:
loosen
the
adjusting
screw
until
the
tape
is
exactly
centered
in
the
NOTE:
| |
Tape
Guide
of
the
Erase
Head.
|
Although
there
is
a
case
that
the
button
is
not
locked
by
pressing one of the Select Buttons (PLAY, FF, or REW)
4.
After
the
adjustment,
secure
the
adjusting
screw
with
paint
without
|
Power
supplied
to
the
unit
after
the
unit
has
or
glue.
automatically
shut
off,
this
symptom
is
not
a
mulfunction.
|
SYMPTOM
POSSIBLE
CAUSE
REMEDY
Grease is not applied suficiently to the circumference | Apply grease. _
| of the Bushing or is not applied at all. , |
ASO
Lever
does
not;
Shaft
of
ASO
Lever
is
|
Remove
grease
or
dust
by
wiping
Shaft
of
- move properly. | clogged by grease or dust. ASO Lever with alcohol.
ASO Lever is in contact with Take-up Pulley of
Friction Assembly.
ASO mechanism does not
work properly.
ASO mechanism does not
work at all.
Insert the washer below the E ring of the
Bushing and keep the clearance between the
E ring and the Bushing fess than 0.5mm.
ASO Belt is worn out. Replace ASO Belt.
ASO Belt is stained. Wipe ASO Belt with benzine. |