Repair of a cat for therapy

简介

A fault was detected in the therapy cat. Although I am not a veterinarian, I was able to help. The symptom: switching on and off does not work reliably, even though the cat is sufficiently charged. The very small SMD button is cleaned.

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步骤 1 Push button

Repair of a cat for therapy, Push button: 步骤 1 中的图像 1，2

Repair of a cat for therapy, Push button: 步骤 1 中的图像 2，2

Remove six screws with Torx T10 on the backside of the device.

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步骤 2

Repair of a cat for therapy: 步骤 2 中的图像 3，3

Just for information, it is NOT necessary to remove the printed circuit board! There are three connectors: speaker, battery and sensor.

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步骤 3

Repair of a cat for therapy: 步骤 3 中的图像 3，3

Just for information, it is NOT necessary for the repair!

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步骤 4

Button: pick the membrane and the adhesive stick up, clean with glass fiber brush and some Isopropyl alcohol. Let it dry, reassemble it. Fix it with some tape of Teflon.
Test it, you should feel the pressure point with a click.

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步骤 5 Secure the membrane with adhesive tape

Repair of a cat for therapy, Secure the membrane with adhesive tape: 步骤 5 中的图像 1，3

Repair of a cat for therapy, Secure the membrane with adhesive tape: 步骤 5 中的图像 2，3

Repair of a cat for therapy, Secure the membrane with adhesive tape: 步骤 5 中的图像 3，3

Example of securing with Teflon tape or similar thin adhesive tape.
I did not try the following: One could add a coil spring arround the white part of the push button of the case. The Spring could relieve the small button.

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