Philips 4500 Series Service Manual page 13

4.3.6 Speakers
1. Gently release the tapes that secure the speaker cables.
2. Unplug the speaker connector from the SSB.
3. Take the speakers out.
When defective, replace the both units.
4.3.7 IR board Control Unit
Refer to Figure 4-7, Figure 4-8
1. Unplug the connector from the SSB.
Caution: be careful, as these are very fragile connectors!
2. Remove all the fixation screws [1] from the IR board control
unit .Refer to Figure 4-7
3. Remove the DECO_LOGO [2], IR board [3] from the
DECO_REAR_COVER. Refer to
When defective, replace the whole unit.
1
Figure 4-7 IR board Control Unit removal 1
Figure 4-8 IR board Control Unit removal 2
Mechanical Instructions
for details.
for details.
Figure 4-8 for details.
1
19890_111.eps
3
2
19890_112.eps
4.3.8 LCD Panel
1. Remove the SSB as described earlier.
2. Remove the PSU as described earlier.
3. Remove the keyboard control panel as described earlier.
4. Remove the stand as described earlier.
5. Remove the IR/LED as described earlier.
6. Remove the fixations screws that fix the metal clamps to
the front bezel. Take out those clamps.
7. Remove all other metal parts not belonging to the panel.
8. Lift the LCD Panel from the bezel.
When defective, replace the whole unit.
4.4 Set Re-assembly
To re-assemble the whole set, execute all processes in reverse
order.
Notes:
• While re-assembling, make sure that all cables are placed
and connected in their original position. See
Figure 4-3.
• Pay special attention not to damage the EMC foams on the
SSB shields. Ensure that EMC foams are mounted
correctly.
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TPS15.2A LA 4. EN 13
Figure 4-1 to
2015-May-01