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-""od.1
2
onl y.
Sheet 2,4,6,9, 10,26
Displ
ay
statio" features
include keyboard and
cord reader with or
without .. leclar
light-pen.
• T urI" power
off.
• Replace cord reader
feature card
(N21.
• Replace light-pen
feature card
(M2)
if
previolJsl
y
removed.
• Move keyboard coble
ho'" Zl to Z4.
• Move keyboard cable
from
Z4
Ia
Zl.
• Replace keyboard
feature cards (A2, 82).
• Tum power on.
• Test keyboard
operations.
• Turn power off .
• Replace light-pen
feature card
1M2,.
•
Turn power on.
• Test keyboard
operations.
• Turn power off.
• Replace cord reader
feature cord
IN2l.
• Move keyboard coble
frolT'
Zl
to
Z4.
Yes
No
Diagram
4-1.
Display Station Troubleshooting Diagrams (Sheet 8 of 29)
4-10
• Replace keyboard
feature cards (A2,821.
• Turn power on.
• Test keyboard
operations.
Yes
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