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200
DISPLAY UNIT
The display unit shown below is to be replaced as an
assembly. For adjustment procedures. go to reference
230.
230
Display Adjustments
THE DISPLAY ADJUSTMENTS ARE SEQUENCE
SENSITIVE
READ CAREFULLY. Always do the procedures one step
at a time. The procedures must be carried out exactly
and in the order given.
DANGER
High voltages are present inside the display unit. The
CRT will implode if cracked or broken. Be especially
careful not to bump the CRT socket.
Procedure Setup:
1.
Remove the top cover of the display unit (see
242).
2.
Perform the Online Test (600) and select the
Display Attributes screen (620) which supplies a
border of Hs that outline the video area. Return to
this procedure after you obtain the Display
Attributes screen.
3.
Read .the following information carefully:
a. The location of the adjustments may vary from ·
manufacturer to rnanufacturer. Refer to the
adjustment label on the back of the CRT for
locating the adjustments in your display station.
b. Use a fiber screwdriver (part 460811) to ,adjust
the controls on the CRT PC board.
c. If any of the adjustments cannot be made,
replace the display unit.
Display
Unit
Operator
Brightness
Control
(under)
Alarm
Volume
Control
Lower
Unit
143-230
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·· · · C;.:6P.o.Pi. '
0
Display Unit
3-5
I
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