Disconnect the MIDI connector from the CPU board
-and
plug
in
the MIDI loopback connector. - -
Press SELECT
to
begin the test. r
If a test error occurs a diagnostic error message will be
displayed
on
the front panel LCD. If
no
error occurs, proceed with
the following.
TEST PC? Press
YES
Connect the Parallel loopback connector to the computer port
located
on
the back panel.
Press SELECT
to
being the test.
If a test error occurs a diagnostic error message will be
displayed
on
the front panel LCD. If
no
error occurs, proceed with
the
following.
TEST SYNC LO? YES
Connect the 1/4" to 1/4" cable supplied with the Diagnostic
Kit. Connect this
cable from
SYNC
OUT
to
SYNC
IN.
If
a test error occurs a diagnostic error message will be
displayed
on
the front panel
LCD
display. If no error occurs, proceed
with the
following.
TEST CLICK OUT?
YES
Connect 1/4" to 1/4" cable from CLICK OUT to TRIG IN.
Press
SELECT
to
begin the test.
Kurzwell 250 Service Manual, Chapter 4
4·17
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