3M XT-1 Технічний бюлетень - Сторінка 4

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Replacing Boom Microphone Assembly

Tools Required:

1 - Small size Phillips screwdriver

1 - External retaining ring removal tool

3M OEM Parts and SKUs:

Procedure:

1. Repeat steps 1-4 from the previous procedure Replacing Inner Case Assembly.

2. Disconnect Microphone Boom Assembly wires by pulling the connector off

the main circuit board. See Fig 8.

3. Locate and remove the retaining ring using the retaining ring tool. See illustration.

Important Note:

Make sure you set the retaining ring tool adjustment screw to

limit how far the retaining ring is expanded. Unless this is done,

the retaining ring will stretch out of shape to a point where it will

not stay in its groove.

4. Remove the clip, nylon washer and boom microphone assembly.

5. Install replacement boom microphone by performing steps 1-3 in reverse order.

6. Reinstall the battery and check operation of the headset prior to

returning it to regular operation.

Replacing Outer Case Assembly

Tools Required:

1 - Small size Phillips screwdriver

3M OEM Parts and SKUs:

Procedure:

1. Replace the Outer Case Assembly as follows:

a. Remove the boom microphone assembly as described in the previous

procedure and install it in the new replacement outer case.

b. Connect the connector on the boom microphone wires to the

connector on the main circuit board.

c. Reassemble the inner and outer case halves by bringing the two halves

together and replace the screws as shown in Fig 9.

2. Make sure the LED Lens is still in place. Otherwise, follow the procedure

Replacing the Indicator LED Lens to re-install the LED Lens.

3. Reinstall the battery (Fig 10) and check operation of the headset prior to

returning it to regular operation.

FIGURE 8

Retaining Ring

Clip

Nylon Washer

Boom Microphone Assembly

FIGURE 9

PC Board

Microphone

Assembly Connector

FIGURE 10