IBM 3277 Troubleshooting Manual page 97

Display station models 1 and 2
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Photographs and drawings are provided in this section to
aid in locating field-replaceable units, adjustable com-
ponents, and voltage measurement points.
Diagrams 7-1 through 7-6 show Model 1 and Model 2
component locations. Type A keyboard locations are
shown in Diagrams 7-7 and 7-8. Voltage component
locations and test points are shown in Diagrams 7-9 through
7 -15. Diagram 7-16 shows component locations on both the
old and new analog 'cards. Type B keyboard locations are
shown in Diagrams 7-17 through 7-19.
*OFF-PUSH
Switch (Power)
(Brightness - Outer Knob)
(Contrast - Inner Knob)
*Line
Fuse
(F1)
Jack
(Feature)
Line Cord
Retaining Slot
Indicators (3)
Reader
Jack
Jack
Signal Cable
Retaining Slot
Diagram 7-1. Modell Locations, Front View
Volume
Control
Section 7. Component Locations
*Field Replaceable Unit
Com ...... Locations 7·1

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