4.4 - RUNNING THE DIAGNOSTIC TESTS'
The Diagnostic tests check the following subsystems:
A.Front
Panel assembly
r
B.
CPU
board
C.
CGP
board
D.
Channel board
The
SELECT
switch and the
YES
and
NO
switches are used
to
select a test and answer the prompts displayed
on
the LCD. When a
YES or
NO
response is required by the diagnostic test, the YES and
NO switch LEDs will blink
on
and off alternately. When a
SELECT
response is required, the S E L E
CT
switch LED will be blinking
in
some instances, and
no
LEDs will be blinking
in
other instances.
When
no
LEOs
are blinking, only the
SELECT
switch has
an
effect
when
pressed.
Kurzwell 250 Service Manual, Chapter 4
4-4
r·
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