已解决： Can't hear caller and speaker don't work after screen repair - LG Escape (p870)

Can't hear caller and speaker don't work after screen repair

So I replaced the screen of my mother’s LG Escape 3 and now the phone’s speaker as well as the ear part of the phone won’t work. I have tested it time and time again and still nothing. I’m thinking a hard reset might help but I am not sure. Any answers or theories would help.

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发帖于: 2019年12月19日

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Hi Jorge!

Are you sure that everything is good at it’s place? If yes, Try to clean the contacts, as far as I know, the speaker and the ear speaker both make contacts with the golden pins on the boards. Try to clean the pins (same for on the boards). And make sure that the ribbon cable for the power board is connected to the motherboard.

Ear speaker - Pins on the motherboard.

Speaker - Pins on the power board.

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2条评论:

So in terms of cleaning would a cotton swab and high proof alcohol be appropriate in this situation?

由 Jorge Fuentes 完成的 2019年12月20日

Hi Jorge,

Yes that is correct. I would use isopropyl alcohol to clean it.

由 koppie007 完成的 2019年12月23日

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