Philips Q552.2E Service Manual page 18

EN 18 4. Q552.2E LA
Figure 4-7 Bottom catches 40" and 46" Blockbuster sets -2-
It is advised to lay the set with front facing down before
executing this operation.
1. Remove all screws from the rear cover.
2. Use a round rod (diameter 2 mm) and insert it in one of the
holes [1].
3. Push the catch located inside the rear cover away by
inserting the rod [2] through the hole and lifting the rear
cover at the same time.
4. Repeat the same procedure on the other hole.
4.3.2 Speakers
Tweeters
Each tweeter unit is mounted with two screws.
When defective, replace the whole unit.
Subwoofer
The central subwoofer is located in the centre of the set and is
secured by two bosses.
When defective, replace the whole unit.
4.3.3 Mains Switch
Refer to Figure 4-16 for details.
Figure 4-8 Mains switch
The mains switch is mounted on a plastic subframe and can be
removed without removing the subframe.
1. Use a screwdriver and push the switch out of its casing [1].
2. Unplug the connectors.
When defective, replace the whole unit.
4.3.4 Main Power Supply
Refer to Figure 4-17 for details.
2011-Jun-01
Mechanical Instructions
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1. Unplug all connectors [1].
2. Remove the fixation screws [2].
3. Take the board out.
When defective, replace the whole unit.
4.3.5 Small Signal Board (SSB)
Refer to Figure 4-18
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2
2
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1. Unplug all connectors [1].
2. Remove the fixation screws [2].
3. Take the board out.
When remounting, ensure that the side shielding is positioned
correctly.
back to
div. table
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Figure 4-9 Main Power Supply
for details.
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Figure 4-10 SSB
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