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How to Repair Tecno T420 – Tecno T420 Repair

Find the solution to all Tecno t420 problems. Below, I have identified the keypad ways, the screen led positive terminal connection  way, the power key connection way, the connection battery terminal way, the speaker connection way, the connection USB way and the MIC connection way. The Image below gives all connection details.

tecno t420 repair

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Tecno T420 Speaker Connection Way

The speaker has an alternative connection across the PCB. There are two very close little components that the speaker is connected to. Use this connection only after you have replaced a working speaker in the original position and it failed to work.

Tecno T420 USB Connection Way

The VBUS of the USB terminal is connected to the the pin Charging port, while the DM is connected to a component by the side of the battery terminal.

Tecno T420 Keypad Connection Way

Find the correct keypad correct pad in the image above, create your connection and fix a faulty key. The connections in the image are correct and accurate.

 

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