IBM 3277 Troubleshooting Manual page 25

Display station models 1 and 2
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Model
1
malfunction produces similar results.
(Adjust centering rings, 5.2.1.5.)
Diagram 3-7. Centering Rings Not Adjusted Properly
(Troubleshoot on Diag 4-1, Sh
4,
1 A2.)
Diagram 3-9. Glow Only on CRT
(Troubleshoot on Diag 4-1, Sh 5,
182.)
Diagram 3-11. Model 1 Raster
3-8
Model 1 malfunction produces similar results.
(Adjust analog card. Model
1,
5.2.1.6,
Mod€1
2,5.2.1.7.)
Diagram 3-8. Character Height Too Small
(Troubleshoot on Diag4-1,Sh 4, 181.)
Diagram 3-10. Single Horizontal line on CRT
(Troubleshoot on Diag 4-1, Sh 5,182,)
Diagram 3-12. Model 2 Raster

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