Philips 22PFT5403/56, Service Manual

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Small Signal Board (For 24” 4233 Series) :
1. Unplug all connectors [2] carefully, as these are very fragile connectors!
2. Remove all the fixation screws from the SSB [3].
3. The SSB can now be shifted from side connector cover, then lifted and taken out of the I/O bracket.
3.2.6 Power Supply Unit (PSU)
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
PSU.
1. Gently unplug all connectors from the PSU.
2. Remove all fixation screws from the PSU.
3. The PSU can be taken out of the set now.
3.2.7 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.
3.2.8 LCD Panel
1. Remove the Main + Power Board / SSB as described earlier.
2. Remove the PSU as described earlier.
3. Remove the keyboard control panel as described earlier.
4. Remove the stand bracket 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.
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