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Macbook A2337 Right Speaker Not Working

Thread starter Instafixx
Start date Apr 6, 2024

Instafixx

Member

#41

Just a random thought. Can there be a short on the DFU line preventing DFU mode ?

2informaticos

Administrator

Staff member

#42

The corresponding CD3217 chip can block communication with host machine.
Strange, as it switches to 20V.

Instafixx

Member

#43

Should we give it a shot and replace it ?

2informaticos

Administrator

Staff member

#44

I still think that you need to play more with external switches; for both DFU and ONOFF pads.

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