Mechanical Instructions
EN 18 TPB1.2HU LA4.
2011-Mar-11
Figure 4-20 Smart module board removal [5/5]
4.3.4 Back-end board
Refer to Figure 4-21
.
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 back-end board.
1. Remove the fixation screw [1] that secure the back-end
board.
2. Release the clips [2] from the cables.
Caution: Be careful, as these are very fragile cables!
3. Release the other cables from their clamps.
4. Unplug all [3] connectors.
5. Remove all other fixation screws [4] from the back-end
board.
6. Take the back-end board out.
When defective, replace the whole unit.
Figure 4-21 Back-end board removal
4.3.5 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. Release the Power board cables from their clamps.
2. Unplug power connectors from the back-end board and
LCD panel, as it is not unplug-able at the PSU itself
(soldered connector).
3. Remove all fixation screws from the PSU.
4. The PSU can now be taken out of the set.
When defective, replace the whole unit.
4.3.6 Speakers
1. Release the speaker cables from their clamps.
2. Release the tape from the speaker cables.
3. Unplug the speaker connector from the back-end board.
4. Take the speakers out.
When defective, replace the both units.
4.3.7 IR/LED Board
1. Unplug both the connectors from the IR/LED board.
2. Gently release the clips that hold the board and take it out
from the bezel.
When defective, replace the whole unit.
4.3.8 Keyboard Control unit
Refer to Figure 4-22
and Figure 4-23 to for details.
1. Unplug the connector [1] on the IR/LED board that leads to
the keyboard control board.
2. Release the tape from the cable.
3. Put your thumbs against the front bezel, see the arrows in
Figure 4-22
, while pulling the keyboard control unit in the
direction of the blue arrow, see Figure 4-23
.
When defective, replace the whole unit.
Figure 4-22 Keyboard Control Panel [1/2]
Figure 4-23 Keyboard Control Panel [2/2]
4.3.9 LCD Panel
1. Remove the smart module board as described earlier.
2. Remove the back-end board as described earlier.
3. Remove the PSU as described earlier.
4. Remove the speakers as described earlier.
5. Remove the stand as described earlier.
6. Release the keyboard control unit cable from its clamps
and unplug the keyboard control unit cable from the IR/LED
board.
7. Remove the fixation screws that secure the LCD panel with
the bezel.
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