Press
\9
\9
and
~
(Enter). Selecting
the
video
test should place a signal
on
pin 6 and 7
of
the 9 pin connector
of
between 2.4 and 3.8 Vdc. Remove
the
display cable.
Measure the voltage present between pins
2 and 7 and pins 2
and
6.
o
•
o
WERE YOU ABLE TO READ BETWEEN
2.4
AND
3.8 Vdc?
NO
Replace IBM Monochrome Display and Parallel
Printer Adapter. See Section 3, "Removal/
Replacement. "
YES
400-15
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