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USING THE MAINTENANCE INFORMATION
The Maintenance Information section is arranged into six
subsections. Each of the subsections and the major
divisions within them are identified by three-digit
reference numbers.
The first three subsections are relative to the major
hardware units of the display station. These are the
keyboarCI unit (100), display unit (200), and the lower
unit (300).
Within each of these subsections, the information is
arranged to aid you to locate a specific part or area.
Then adjustments, if necessary, are supplied. Lastly,
instructions are supplied for removing and replacing the
field replaceable units.
The remaining subsections contain information on the
display station diagnostics (520) and online tests
operation (600).
100-110
Maintenance Information
100
KEYBOARD UNIT
110
Description and Parts Location
The keyboard unit includes the covers, the keyboard
(logic card and key assembly) and the cable. No repair
action will be performed on the logic card and key
assembly. If it fails for any reason, replace it.
The keyboard cable connects to the planar (in the lower
unit) of the display station and to the logic card in the
keyboard unit.
Keyboard Unit
3-1
I
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