IBM 3277 Troubleshooting Manual page 40

Display station models 1 and 2
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• Turn POW" off.
• Remove
front
cove,.
• Disconnect
lignal cabl.
from control lJnil.
• Tu,n
po_'
on.
Diagram 4·1. Displav Station Troubleshooting Diagrams (Sheet 11 of
291
• Display station mUlt
be
attached
10 an active
• Turn po_r off.
• Repair
cabl.
Or
change
security k.ylock switch
(5. J.
7).
• V.rl
fi".
Troubleshooting Diagrams
4-13

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