Bose LT 9403 Руководство - Страница 30

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High Frequency Compression Driver Replacement Procedure

1. Turn off the amplifier.

2. Disconnect the loudspeaker input connections.

3. Remove the high frequency compression driver from the cabinet using the appropriate disas-

sembly procedures in this service manual for either the Panaray

LT 9400 loudspeakers.

4. Once you have accesss to the driver, disconnect the BLUE (+) terminal and the BLACK (-)

terminal of the t1.0hp driver.

5. Remove the 4 screws that connect the mounting plate to the compression driver.

6. Remove the 3 screws holding the compression driver assembly to the mounting plate.

7. Connect the new compression driver to the mounting plate using the 3 screws.

8. Insert the compression driver assembly into the rear of the loudspeaker cabinet and secure

with 4 screws.

9. Reconnect the BLUE wire to the positive (+) terminal and the BLACK wire to the negative (-)

terminal.

10. Re-assemble the loudspeaker.

11. Reconnect the loudspeaker input connections.

12. Turn on the amplifier.

To remove the compression driver from the loudspeaker cabinet:

1. Select a clean, well lit work area that is free of magnetic materials that might be attracted to

the magnet in the compression driver.

Note: Do not allow any dirt or dust to come into contact with the replacement diaphragm.

2. Carefully clean the outside of the compression driver with a damp cloth.

3. Place the rear of the driver facing up.

4. Remove screws and remove the rear cover of the driver.

5. Gently lift the rear cover straight up. Set it down on its outside to keep the inside clean.

6. Remove the diaphragm assembly by gently lifting and rotating it.

LT 6403/LT 9403 or LT 6400/