IBM 3277 Troubleshooting Manual page 26

Display station models 1 and 2
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Model 1 malfunction produces similar results.
(Troubleshoot on Diag 4-1, Sh 10, 1E4
if
INPUT INHIBITED
is
on. Ifioft change
card K2')
Diagram 3-13. Cursor in Every
Row
Model 1 malfunction produces similar results.
The density of each row is determined by the
number of characters in that row.
.[Troubleshoot on Diag 4-1, Sh
6102.)
Diagram 3-15. No Horizontal Sync
Model 1 display is same except for size.
Diagram 3-17. Correct Display after POR
Model
1
malfunction produces similar results.
(Change card
J2
if INPUT INHIBITED is on.
Change card K2 if off.)
Diagram 3-14. Box in Every Character Position
This failure applies to Model 2 displays only.
(Troubleshoot on Diag 4-1, Sh 7, 1 C3.)
Diagram 3-16. No Interrow Spacing
Model 2 malfunction produces similar results.
(Troubleshoot on Diag 4-1, Sh 5, 1 B5.)
Diagram 3-18. Out of Focus I "lage
Symptom Index
3-9

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