Mechanical Instructions
EN 20 QM15.2E LA4.
2015-Sep-30
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4.3.2 Keyboard Control unit
1. Unplug the connector [2] from the keyboard control panel.
2. Remove the fixation screws [1] that secure the keyboard
3. Gently take the keyboard out. Refer to Figure 4-18 for
details.
When defective, replace the whole unit.
Figure 4-18 Keyboard removal
4.3.3 Small Signal Board (SSB)
Refer to Figure 4-19
for details.
Caution: it is mandatory to remount all different screws at their
original position during re-assembly. Failure to do so may result
in damaging the SSB.
1. Release the clips from the LVDS connector that connect
with the SSB[1].
Caution: be careful, as these are very fragile connectors!
2. Unplug all other connectors [2] .
3. Remove all the fixation screws from the SSB [3].
4. The SSB can now be shifted from side connector cover,
then lifted and taken out of the I/O bracket. Refer to
Figure 4-19
for details.
Figure 4-19 SSB removal
4.3.4 Power Supply Unit (PSU)
Caution: it is mandatory to remount all different screws at their
original position during re-assembly. Failure to do so may result
in damaging the PSU.
1. Gently unplug all connectors from the PSU.
2. Remove all fixation screws from the PSU.
3. The PSU can be taken out of the set now.
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