Mechanical Instructions
4.
4.2
Service Positions
For easy servicing of this set, there are a few possibilities
created:
•
The buffers from the packaging.
•
Foam bars (created for Service).
4.2.1
Foam Bars
Figure 4-22 Foam bars
The foam bars (order code 3122 785 90580 for two pieces) can
be used for all types and sizes of Flat TVs. See
for
details. Sets with a display of 42" and larger, require
four
foam
bars [1]. Ensure that the foam bars are always supporting the
cabinet and
never
only the display.
Caution:
Failure to follow these guidelines can seriously
damage the display!
By laying the TV face down on the (ESD protective) foam bars,
a stable situation is created to perform measurements and
alignments. By placing a mirror under the TV, the screen can
be monitored.
4.3
Assy/Panel Removal
4.3.1
Rear Cover
Warning:
Disconnect the mains power cord before you remove
the rear cover.
Note:
it is
not
necessary to remove the stand while removing
the rear cover.
1.
Remove all screws of the rear cover.
2.
Lift the rear cover from the TV. Make sure that wires and
flat coils are not damaged while lifting the rear cover from
the set.
4.3.2
Speakers
Each speaker unit is mounted with two screws. A sticker on the
the unit indicates if it is the right (“R”) or left (“L”) box, seen from
the backside of the set. Speakers are firing downwards.
When defective, replace the whole unit.
4.3.3
IR/LED Panel
1.
Unplug the connectors leading to the SSB and Keyboard.
2.
Remove the fixation screws.
3.
Lift the panel and take it out.
When defective, replace the whole unit.
4.3.4
Clock unit (not for 42-inch model)
1.
Remove the TV stand.
2.
Remove the subframe/bracket that holds the stand.
3.
Unscrew the clock panel via the holes in the flare.
4.
Loosen the flare by partly unscrewing the two brackets
underneath the speakers.
5.
Now lift the flare and take the clock panel out.
6.
Unplug the cable.
When defective, replace the whole unit.
4.3.5
Keyboard Control Panel
1.
Unplug the Keyboard connector from the IR/LED panel.
2.
Release the clamp on the top side.
3.
Lift the unit and take it out (it hinges at the bottom).
When defective, replace the whole unit.
4.3.6
iBoard Panel
1.
Unplug all connectors.
2.
Remove the screws that hold the panel and take the panel
out.
4.3.7
DC/DC Converter Panel
1.
Unplug the connector.
2.
Remove the screw and take the panel out.
When defective, replace the whole unit.
4.3.8
12V Switch Panel
1.
Unplug all connectors.
2.
Remove the screw that holds the panel and take the panel
out.
When defective, replace the whole unit.
4.3.9
Main Supply Panel
1.
Unplug all connectors.
2.
Remove the fixation screws.
3.
Take the panel out.
When defective, replace the whole unit.
4.3.10 Small Signal Board (SSB)
Caution:
It is mandatory to remount screws at their original
position during re-assembly. Failure to do so may result in
damaging the SSB.
1.
Unplug all connectors. Be careful with the fragile LVDS
connector(s)!
2.
Remove all screws that secure the panel.
3.
The SSB can now be taken out of the set, together with the
side cover.
4.
To remove the side cover, remove the screw in the middle
of the cover, release the notch at the head phone
connector, and pull the cover sidewards from the SSB.
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