If
the
unit
cannot
be
adjusted or
if
values
are
out
of
range, proceed to the Flowchart
Entry Point:
Pg.
4A-20.
POKEY
SOFTFIRE
TEST
a
Connect the oscilloscope to
pin
16
of
A7
(1v/division;l0ms/div.~.
a
Insert the controller into port
1.
a
Press
key
5
followed
by
START.
a
Press
the
top fire button (softfire).
a
A
5v
p-p
square
wave
signal should appear.
If
it
does not,
proceed
to
the
SOFTFIRE
TROUBLESHOOTING
FLOW
CHART,
page
4A-19.
Unplug the controller from port
1
and
plug
it
into port
2.
Repeat the fourth and fifth steps for port
2.
CX5200
Field
Service
Manual
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