Atari 1010

1010S
MOTOR
SPEED
ADJUSTMENT
PROCEDURE
(3KHz AUDIO TEST TAPE)
EQUIPMENT REQUIRED
e Standard Tool Kit
e Known-good ATARI Computer
e BASIC Cartridge
e ATARI 3KHz Audio Test Tape (FD100221)
PROCEDURE
1.
Follow
the
set-up
procedure,
steps
1
and
2,
of
the
MOTOR
SPEED
CHECK
on
page
3-
4,
,
2.
Insert
the
test
tape
and
turn
the
unit
over
to
locate
the
speed
adjustment
access,
as
illustrated
in
Figure
4-3
below.
i Cabinet Bottom
Speed Adjustment
Access
Figure 4-3. Speed Adjustment Access
3. Attach the scope probe to pin 11 of the unused I/O Connector on the 1010 (refer to
Figure 3-1 for pin locations).
NOTE: Use Pin 4 as referenced ground.
4. Type POKE 54018,52 on the computer and press RETURN.
5. Press the PLAY button on the 1010.
ATARI 1010 Cassette Recorder 4g