Aligning The Termin3.L Display - Wyse WY-60 Maintenance Manual

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ACTION
16.
Look at the display.
17.
Look at the display again.
18.
If the display is within
specification and looks regular,
press the SETUP key.
19.
Turn the terminal off.
Remove the connectors
and reattach the
communications cables.
ALIGNING THE TERMINAL DISPLAY
COMMENTS
Check for brightness
balance between the three
blocks, making sure that
the raster doesn't show
when operator brightness
slideswitch is pushed
completely to the right.
Are the letters
on the top of this
pattern the same size as
the letters at the
bottom?
Are they the
same size throughout?
Are there any focus
problems on the screen?
If there are problems,
skip steps 15 and 16.
Go
to "Aligning the Terminal
Display."
The monitor has several alignments and adjustments.
If the
term inal display is out of tolerance in one or two areas, make
adjustments to correct those problems with individual
adjust~ents
suggested in Table 4-1.
If you change the CRT, the yoke,
the
CRT/yoke assembly, or the terminal PCB, you must perform a full
alignment.
Follow these procedures only if the display is out of
tolerance and doesn't match the specification.
Required tools:
o
Flat-bladed nonconductive alignment tool
o
Hex nonconductive alignment tool
o
No.2 Phillips screwdriver
o
Digital voltmeter (DVM)
o
Diagnostic test connectors
4-5

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