Atari CX 5200 Field Service Manual page 85

2-PORT 5200 DIAGNOSTIC FLOWCHART
The Diagnostic F lowchart is intended to
troubleshooting the 2-Port 5200. Follow the prompts in the order presented. 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 diffe rent page and continue the diagnosis.
chance; it tells you when to perform a specific test and when to replace
components.
S WAPOUT P ROCEDURE
A t many places in the diagnostic flowchart, a box tells you to "swapout" a
component, a c hip, or a number of chips in a particular order.
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.
Once the unit functions properly, reinstall the o riginal IC's one by one to determine
w hich are actually defective.
REPLACE IN OR DER
T he "replace in order" instruction means that you should replace the components
indicated in the order listed until the result c alled out in the previous block is
obtained.
F - Some lines terminate with an
beginning of the test sequence on page 3A- 1 .
N - Some lines terminate with an N inside a circle. W hen this occurs, call your
Atari Repair Hotline.
CX5200 Field Service Manual
SECTION 4A
easy to use and the primary aid when
be
Repeat this procedure for the rest of the components.
inside a circle. When t his occurs, return to the
F
Inside California
(800) 67 2 - 1 4 6 6
Outside California
(800) 538- 1 535
(800) 538- 1 5 3 6
4 A- l
The flowchart leaves nothing to
The "swapout"
Changed by
ECN 11 0 0 3 6
6 /2 1 /83