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ATT CL2940 Buttons and/or Keypad Replacement

Introduction

This guide delivers the complete steps to replace missing buttons and/or the keypad for the ATT CL2940 black corded speakerphone. The tools are listed and required to successfully complete this project.

This project is necessary for individuals who need to replace the buttons or keypads for this device. It can save you money and the hassle of switching to a new device.

If you need more information on how to troubleshoot this device, please follow this link: ATT CL2940 Troubleshooting. It has several troubleshooting instructions that will help you evaluate the technical needs of your device.

Warnings to adhere to when completing this project:

When setting the back panel down, be careful to not rip any of the wires off of the internal components.

Keep the screws for the upper and lower level motherboard separated.

What you need

  1. ATT CL2940 Buttons and/or Keypad Replacement, Back Panel: step 1, image 1 of 3 ATT CL2940 Buttons and/or Keypad Replacement, Back Panel: step 1, image 2 of 3 ATT CL2940 Buttons and/or Keypad Replacement, Back Panel: step 1, image 3 of 3

    • Remove five 9.5 mm Phillips #1 screws from the back panel of the phone.

    Edit

  2. ATT CL2940 Buttons and/or Keypad Replacement: step 2, image 1 of 3 ATT CL2940 Buttons and/or Keypad Replacement: step 2, image 2 of 3 ATT CL2940 Buttons and/or Keypad Replacement: step 2, image 3 of 3

    • Slide the metal spudger into the crack and continue around to the front panel of the phone.

    • Be careful not to break the clips that hold the back panel to the front panel.

    Edit

  3. ATT CL2940 Buttons and/or Keypad Replacement: step 3, image 1 of 1

    • When setting the back panel down, be careful to not rip any of the wires off of the internal components.

    Edit

  5. ATT CL2940 Buttons and/or Keypad Replacement, Buttons and/or Keypad: step 4, image 1 of 2 ATT CL2940 Buttons and/or Keypad Replacement, Buttons and/or Keypad: step 4, image 2 of 2

    • Unscrew five 5.6 mm screws on top level, yellow motherboard.

    Edit

  6. ATT CL2940 Buttons and/or Keypad Replacement: step 5, image 1 of 3 ATT CL2940 Buttons and/or Keypad Replacement: step 5, image 2 of 3 ATT CL2940 Buttons and/or Keypad Replacement: step 5, image 3 of 3

    • Lift the top level Motherboard in order to get to the lower level Motherboard.

    Edit

  7. ATT CL2940 Buttons and/or Keypad Replacement: step 6, image 1 of 2 ATT CL2940 Buttons and/or Keypad Replacement: step 6, image 2 of 2

    • Unscrew the 5.6 mm screw on the clip behind the Screen as shown.

    Edit

  8. ATT CL2940 Buttons and/or Keypad Replacement: step 7, image 1 of 2 ATT CL2940 Buttons and/or Keypad Replacement: step 7, image 2 of 2

    • Unscrew five 5.6 mm screws on the lower level Motherboard.

    • Keep the screws for the upper and lower level motherboard separated.

    Edit

  9. ATT CL2940 Buttons and/or Keypad Replacement: step 8, image 1 of 2 ATT CL2940 Buttons and/or Keypad Replacement: step 8, image 2 of 2

    • Lift the lower level Motherboard upward.

    • Remove the silicon pad above the buttons.

    Edit

  10. ATT CL2940 Buttons and/or Keypad Replacement: step 9, image 1 of 2 ATT CL2940 Buttons and/or Keypad Replacement: step 9, image 2 of 2

    • Push the Button Panel upward and pull it out.

    • Replace the entire Button Panel or a single defective button.

    Edit
Conclusion

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

2 other people completed this guide.

Author

with 7 other contributors

Charles Messmore

Member since: 02/15/16

541 Reputation

5 Guides authored

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Team

IUPUI, Team 1-1, Harley Spring 2016 Member of IUPUI, Team 1-1, Harley Spring 2016

IUPUI-HARLEY-S16S1G1

4 Members

13 Guides authored

One Comment

Great explanation! Where would you recommend buying replacement buttons for the phone? Thanks

Sean Richardson - Reply

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