SECTION
4A
2-PORT
5200
DIAGNOSTIC
FLOWCHART
The Diagnos
tic Flowchart is intended to
be
easy to use and the primary aid
w
lhen
troubleshooting the 2-Port 5200. Follow the prompts in the order- presen-ted. When
a
question is asked, follow the line from the box that best applies to your unit's
condition. When that line terminates with a letter inside
a
circle, locate the letter
on
a
different page and continue the diagnosis. The flowchart leaves nothing to
chance; it tells you when to perform a specific
test
and when to replace
components.
SWAPOUT
PROCEDURE
At many places in the diagnostic flowchart, a box teils you to "swapout"
a
component, a chip, or
a
number of chips in
a
particular order. The "s~apout'~
instruction means that you should replace the indicated components (one at
a
time)
with known-good components of the same type.
The
unit should then
be
tested with
the new, known-good component(s) in place to see whether the swapout solved the
problem being checked.
If
the swapout did not fix the problem, leave the new chip
in and swapout the next. Repeat this prozdure for the rest of the components.
Once the unit functions properly, reinstall the original IC1s one by one to determine
which are actually defective.
REPLACE
IN
ORDER
The "replace in order" instruction means that you should replace the components
indicated in the order listed until the result called out in the previous block is
obtained.
F
-
Some lines terminate with an
F
inside
a
circle. When this occurs, return to the
beginning of the test sequence on page 3A-I.
N
-
Some lines terminate with an
N
inside
a
circle. When this occurs,
call
your
Atar i Repair Ho tline.
Inside California
(800) 672-1466
Outside California
(800) 538-1 535
(800) 538-1536
*
CX5200 Field Service Manual
Changed
by
ECN
/I0036
6/21
/83