TEST
PROCEDURES
Equipment Needed:
a
a known good Model
5200
console
a
T.V. set, properly adjusted
a Missile ~ommandTM Cartridge
a1.lDiagnosticCartridge
a
a Digital Voltmeter
Mechanical Check:
Verify that the ball will spin freely and smoothly in all directions.
There should be no
excessive noise or vibration.
If the ball
will
not spin freely or is excessively noisy,
refer to Flowchart
A,
page 7-11 of this section.
Keyboard
Test:
1)
Plug the Trakball into player port #I of the Model 5200 console.
2)
Insert
a
1.1
Diagnostic Cartridge into the Model 5200.
3)
Turn the Model 5200 on and select the POKEY Adjust
TEST
(Test
#5).
If
the
POKEY
Adjust
Test
cannot
be
selected
using
the
trakball
(due
to
keyboard
failure),
use
a
Model
5200
controller
to
select
the
test
When
the
test
has
been
selected,
unplug
the
Model
5200
controller
and
plug
in
the
Trakball
to
continue
testing.
4) Test all functions of the START, PAUSE, and
RESET
buttons and the
Keypads:
Table 1-1 shows the correct display for each of the buttons.
Table 7-1
Keyboard Test Display
Button/Keys Display
1
2
3
4
5
6
7
8
9
0
*
#
START
PAUSE
RESET
CX5200 Field Service Manual
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