14 — Keyboard
14–6
CX20/CX30/CX34 Service Manual
14.3.4
Fitting a keyboard (CX34)
To fit a keyboard to CX34, proceed as follows:
1
Clean case surface.
2
Remove backing paper from rear of new keyboard to reveal
self–adhesive material (do not press keyboard pads until keyboard is
fitted to case of unit: to do so will distort permanently keyboard
laminates).
3
Check that keyboard is correct way up (ribbon cable to bottom) and
position in case aperture, with ribbon cable and earth strap located
through slot in case aperture. Lightly press keyboard to make good
contact with unit case.
4
Fit rubber strips, top and bottom of keyboard.
Figure 14.2
Keyboard Earthing Arrangement
Screw
Keyboard earth strap
(with metal strip insert)
Washer
Keyboard earth braid
Pillar (behind keyboard, inside
(display housing top)
Bare surface of metal
strip inside earth strap
Shakeproof
washer
5
Connect earth strap to inside case with the screw, two washers and
earth braid. See Figure 14.2 for configuration.
6
Fit connector to end of keyboard’s acetate ribbon cable.
7
Re–assemble unit (refer to Section 3).
Summary of Contents for CX20 SERIES
Page 258: ...PL 1 CX20 CX30 CX34 Service Manual Section PL Parts List ...
Page 284: ......
Page 287: ......
Page 317: ...Addendum A Phase 1 4 and CX34 Parts List A 30 CX20 CX30 CX34 Addendum A ...
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Page 321: ......
Page 323: ...Contents B 2 Addendum B ...
Page 343: ...Addendum B Phase 1 5 1 5 3 and New Main PCB B 22 Addendum B ...
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Page 351: ...PL Parts List Devlin Keyboard C 6 Addendum C ...
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