4.28 - CGP TESTS
CGPRAM
Starting with the first main menu question displayed on the
front panel display, press the
YES,
NO
or
SELECT
switch
in
response to the display prompts as follows:
CLR
PWR
FAIL CNT?
Press
YES
AUTOTEST?
Press NO
RUN
ALL
TESTS?
Press
NO
FRONT
PANEL? Press
NO
TEST CPU?
Press
NO
TEST
CGP?
Press
YES
ALL
CGP TESTS? Press NO
TEST
CGP RAM?
Press
YES
LOOP
ON
TEST?
YES
or
NO
The diagnostic will now proceed
to
test the CGP random access
memory (RAM).
If there is
an
error during the test, a diagnostic
error message
will be displayed
on
the front panel LCD display
indicating the address of the error, the expected (good) data, and the
actual (bad) data read.
EXAMPLE:
RAM TEST ERR A: 1 B03FE
««
This is the address
GOOD: 5555 BAD: FFFF
Press
SELECT
to
proceed. If LOOP ON TEST
is
selected, the
test will repeat until an error
is
detected or
SELECT
is
pressed and
held until the test is complete.
SOUND FILE RAM
TEST
SF RAM WORD?
Press
YES
or
NO
LOOP
ON
TEST?
Press
YES
or
NO
Kurzwell
250
Service Manual, Chapter 4
4-
4 7
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