Philips BJ3.1E LA Service Manual page 12

EN 12 4. BJ3.1E LA
4.3.7 Small Signal Board (SSB) and External I/O Panel
Caution: it is absolutely mandatory to remount all different
screws at their original position during re-assembly. Failure to
do so may result in damaging the SSB.
Removal from the set
1. Remove the two T10 tapping screws [1] that hold the SSB.
See Figure "SSB top shielding".
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1
Removing the shielding
1. See Figure "SSB top shielding". Remove the T10 tapping
screws [5].
2. Remove the T10 parker screws [6].
3. See Figure "SSB bottom shielding". On the bottom shield
(or "connector plate"), remove the T10 tapping screws [1].
4. Remove two T10 tapping screws [2] and three T10 parker
screws [3].
5. After the rear shielding is removed, the top shielding can be
removed.
1 1 1
Figure 4-14 SSB bottom shielding
Removing the SSB and External I/O Panel
1. See next figure "SSB and External I/O panel".
2. The SSB is mounted with two tapping T10 screws [1]. After
having unplugged the cables to the External I/O panel, they
are accessible.
3. The External I/O Panel is mounted with four T10 tapping
screws [2].
Mechanical Instructions
3
4
5
Figure 4-13 SSB top shielding (photo from 32" model)
2 2 3
1 1 1 1
G_15950_045.eps
2. Disconnect the mains power supply cable on the Main
Supply Panel [2].
3. Disconnect all cables [3] on the SSB. This includes the
USB plug and the fragile LVDS cable [4]. For the latter, a
plastic cover has to be removed first.
4. Lift the SSB, together with the External I/O Panel from the
set.
3
5 5
6
Figure 4-15 SSB and External I/O Panel
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4.3.8 Standby / Audio Panel (for 32" and 42" models)
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1. Unplug connectors [1].
2. Remove the fixation screws [2].
3. Take the board out.
4.3.9 Audio Amplifier Panel (only for 37" models)
1. Unplug connectors [1].
2. Remove the fixation screws [2].
3. Take the board out.
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1
5
G_15950_044.eps
1 1
2
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2
G_15960_103.eps
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