Procedure 20 - Removing And Replacing Keyboard Switch Module - Control Data Corporation CDC CC63X Hardware Maintenance Manual

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6. Mount new touchpanel in place and replace the two screws
removed in step 4, while observing the following substeps.
a. Ensure that the touchpanel is mounted snugly against
the two top plastic holders (figure 3-2).
b. Observe that the dots on each of the four edges (dots
are at the center of each edge) of the touchpanel
appear in the center notches of the bezel (figure
6B-3) •
7. If the dots cannot be seen in the notches, or if a new
touchpanel is being installed on the terminal for the
first time, perform the following:
a. Install the two bottom holders for the touchpanel, but
do not fully tighten in place.
b. Place the touchpanel on the bottom holders and install
one of the top holders, but do not fully tighten.
c. Snap the bezel in place, and carefully move the touch-
panel (if required) so that the alignment in step 6b
is obtain ed .
d. Then remove the bezel and tighten the mounting
screws. Install the remaining top plastic holder.
8. Reconnect flat cable to graphics board and ground wire to
bezel adapter assembly.
9. Replace access lid (procedure 3).
10. Replace bezel assembly and BRIGHTNESS and CONTRAST knobs.
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Procedure 20 - Removing and Replacing Keyboard Switch Module
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Some keyswitch modules have retaining screws. These keyswitches
are shaded in figure 6B-2l. If a shaded keyswitch fails,
replace the keyboard. If a keyswitch fails, replace the
keyswitch module (part number 66312532) as follows.
To replace keyboard switch modules, refer to figure 6B-22 and
perform the following:
62940034 E
6B-37
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