Atari 1010

1010S HEAD ALIGNMENT PROCEDURE
(3KHz AUDIO TEST TAPE)
Coo >
EQUIPMENT REQUIRED
Standard Tool Kit
e
e Known-good ATARI Computer
e BASIC Cartridge
e ATARI 3KHz Audio Test Tape (FD100221)
PROCEDURE
1. Follow the set-up procedure of the HEAD ALIGNMENT TEST, steps 1-5 on page 3-3.
2. Insert the 3KHz test tape under the door of the cassette player, so that the door is
open
when
the
cassette
is
in
place.
This
allows
you
to
access
the
head-adjust
screw
through the hole in the plastic cover as illustrated in Figure 4-1 below.
Cassette Compartment Lid
Head Alignment
Screw Access
Figure 4-1. Accessing the 1010S Head-Alignment Screw
3.
Attach
the
scope
probe
to
pin
11
of
the
I/O
connector
not
being
used
(Refer
to
Figure
3-1 for pin locations).
NOTE: Use Pin 4 as referenced ground.
4
. Set the time base of the scope at .lms per division.
Type POKE 54018,52 on the computer and press RETURN.
Press the PLAY button on the 1010.
ATARI 1010 Cassette Recorder 4-5