Mains Switch - Philips Q552.1A Service Manual

EN 18 4. Q552.1A LA
4.5.3 Main Power Supply
Refer to Figure 4-12 for details.
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Figure 4-12 Main Power Supply
1. Unplug all connectors [1].
2. Remove the fixation screws [2].
3. Take the board out.
When defective, replace the whole unit.
Be aware to (re)place the spacers [3].
4.5.4 Small Signal Board (SSB)
Refer to Figure 4-13 for details.
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Figure 4-13 SSB
1. Unplug all connectors [1] and [2].
2. Remove the fixation screws [3].
3. Take the board out.
When defective, replace the whole unit.
4.5.5

Mains Switch

The mains switch assy is mounted below the PSU on the front
bezel with two screws.
When replacing the switch, remove it from its bracket.
2010-Jun-25
Mechanical Instructions
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4.5.6 IR & LED Board
Refer to Figure
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Figure 4-14 IR & LED Board -1-
Figure 4-15 IR & LED Board -2-
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Figure 4-16 IR & LED Board -3-
1. Remove the stand [1].
2. Remove the IR & LED board cover [2].
3. Release the clips [3] that secure the IR & LED board.
4. Remove the connectors [4] on the IR/LED board.
back to
div. table
4-14, Figure 4-15 and Figure 4-16
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for details.
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