Introduction

If you are unable to hear anything during hands free calling the internal speaker may need to be replaced. This guide will teach you how to disassemble your AT&T CL4940 corded answering system and replace the speaker used for hands free calling. This is a fairly simple process and can be accomplished with minimal technical expertise.

Parts

No parts required.

  1. Unplug your device before beginning disassembly.
    • Unplug your device before beginning disassembly.

    • Remove phone line and power cord from the back cover of the device.

    • Remove phone cable from the side of the device.

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  2. Remove the five 4mm X 10mm Phillips head screws from the back cover of the device.
    • Remove the five 4mm X 10mm Phillips head screws from the back cover of the device.

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    • Starting from the bottom of the device, using a metal spudger, separate the top (white) plastic piece from the bottom (gray) plastic piece.

    • Work your way across the bottom of the device, then to each side, and finally to the top.

    • There are brackets every few inches along the edge of the device. These may be difficult to pull apart.

    • The top and bottom pieces should separate, and the internals of the device will now be accessible.

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    • Using wire cutters, sever both the red and black wires connected to the microphone.

    • To remove the microphone from the device, gently wiggle it while pulling.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Charles Moore

Member since: 02/16/2016

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2 Guides authored

Team

IUPUI, Team 2-2, Harley Spring 2016 Member of IUPUI, Team 2-2, Harley Spring 2016

IUPUI-HARLEY-S16S2G2

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One Comment

I'd rather install a new microphone instead of just reinstalling the old one.

Is there a link to where a new microphone can be purchased?

rpoland - Reply

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