Philips PB52.1HU LA Service Manual page 14

EN 14 4. PB52.1HU LA
4.3.6 Main Supply Panel
1. Unplug connectors.
2. Remove the fixation screws.
3. Take the board out, be careful, it hinges from the left side.
When defective, replace the whole unit.
4.3.7 Small Signal Board (SSB) and Tuner Bolt-on
Refer to next figures 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. Remove the screws [1] from the support and take it out of
the set, see figure "Support".
2. Unplug the LVDS connector [2].
Caution: be careful, as this is a very fragile connector! See
figure "SSB Cover".
3. Unplug the connectors [3].
4. Remove the locknuts [4] and screws [5] from the SSB
connector plate, see figure SSB Connections".
5. Remove the screws [6] that hold the SSB cover and lift it
from the SSB. Be careful it his secured with clips at the
connector plate side. See figure "SSB Cover".
6. Remove the screws [7] that hold the SSB. It can now can
now be taken out of the set, together with the tuner bolt-on,
see figure "SSB".
7. To remove the tuner bolt-on, release the connectors [8]
and remove the cables.
8. Remove the screws [9] and lift the tuner bolt-on from the
SSB.
1
1
Figure 4-9 Support
Mechanical Instructions
1 1
1
I_17500_068.eps
5
180408
6
6
2
3
6
Figure 4-10 SSB cover
4 4
5 5
4 4
Figure 4-11 SSB connections
6
3
I_17500_065.eps
180408
5
5 5
I_17500_066.eps
180408