Keyboard Control Unit - Philips 22PFH4000/88 Service Manual

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EN 20
4.
TPN15.1E LA
4.4.2
Rear Cover
Refer to
Figure 4-18
and
Warning: Disconnect the mains power cord before removing
the rear cover.
2
2
2
2
4.4.3

Keyboard Control unit

1. Unplug the connector from the keyboard control panel.
2. Remove the fixation screw that secure the keyboard
3. Gently take the keyboard out.
When defective, replace the whole unit.
4.4.4
Small Signal Board (SSB)
Refer to
Figure 4-20
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 4-20
for details.
2015-Oct-30
Mechanical Instructions
Figure 4-19
for details.
2
2
Figure 4-19 Rear cover removal
1. Remove the fixation screws [2], [3] and [4] that secure the
rear cover. Refer to
2. Gently lift the rear cover from the TV. Make sure that wires
and cables are not damaged while lifting the rear cover
from the set.
2
2
2
3
2
3
back to
div. table
Figure 4-18
and
Figure 4-19
2
3
2
2
1
Figure 4-20 SSB removal
for details.
M3× 8
2
M3× 6
3
19791_110.eps
3
3
19791_112.eps

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