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EN 10
4.
PB52.1HU LB
4.3.2
Keyboard Control Board
1. Refer to next figure.
2. Unscrew two screws [1]
3. Unplug connector [2] and remove the board.
When defective, replace the whole unit.
Figure 4-6 Keyboard control board
4.3.3
IR/LED Board and Speakers
1. Refer to next figure.
2. Remove the screws [1] and remove the IR/LED board.
3. Remove the screws [2] and remove the speakers.
When defective, replace the whole unit.
1
1
2
2
Figure 4-7 IR/LED Board and Speakers
Mechanical Instructions
1
2
1
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2
2
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4.3.4
Power Supply Board
Refer to next figure for details.
1. Unplug all the connectors [1].
2. Remove the fixation screws [2].
3. Remove the power supply board.
While remounting, do not forget to remount the earth-cables [3]
into their original position.
3
Figure 4-8 Power Supply Unit
2
2
1
1
3
2
2
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