Charging and Audio Issue

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Re: Charging and Audio Issue

Post by tommyalkhoury » Tue Jan 07, 2020 4:37 pm

I am powering using the provided battery, not the Pi's USB power. I've also noticed a few more things; my audio jack is making contact with the altoids case, and it is slightly blocked from going all the way in from the holes (audio jack and drilled hole) being slightly misaligned. However the sounds being produced, even at minimum volume, is much louder than the sounds you can hear when inserting a headphone while wearing it (the static sounds when you insert it into an audio jack).

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Re: Charging and Audio Issue

Post by tommyalkhoury » Tue Jan 07, 2020 5:38 pm

Update: filed out until audio jack does not touch metal; same results for the sound quality.

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Re: Charging and Audio Issue

Post by Helder » Wed Jan 08, 2020 11:18 am

Might be a bad amp chip, send me the controller pcb with soldered on Pi and SD card and I'll have a look and replace the chip if it's faulty. Send me a PM if you need my shipping info.
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Re: Charging and Audio Issue

Post by tommyalkhoury » Wed Jan 08, 2020 5:56 pm

Hi Helder, ok, but before I send it would there be anything else besides the faulty amp chip that could be causing such loud electrical sound, I don't want to send it to you and then realize later that it was something else. Also, is it a reasonably common occurrence that the amp chip is faulty? I also want to let you know that one of the copper traces leading to the speaker has been slightly detached (has come out), however it was covered with Kapton tape (this is the reason why I am not using a speaker). Thanks.

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Re: Charging and Audio Issue

Post by Helder » Wed Jan 08, 2020 7:43 pm

I have had maybe 3 or 4 amps be bad out of hundred of boards so it's not common but has happened. If the trace is kind of floating just snip it off and also redo the 3 audio points just to rule out soldering issues then let me know.
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Re: Charging and Audio Issue

Post by tommyalkhoury » Thu Jan 09, 2020 6:16 pm

Hi Helder, I'll take a look, and I'll get back to you

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Re: Charging and Audio Issue

Post by tommyalkhoury » Fri Jan 10, 2020 11:17 pm

Hi Helder, quick question; if I send it to you with the speaker is there a way you can get it to work, along with the audio jack? Thanks!

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Re: Charging and Audio Issue

Post by Helder » Sat Jan 11, 2020 7:26 pm

I should but it will have a thin wire for audio and could pickup a little interference which I can't do anything about since the wire will be necessary.
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Re: Charging and Audio Issue

Post by tommyalkhoury » Sun Jan 12, 2020 12:21 pm

Ok, so after I'm done checking a few things and I decide to send it to you, how much would I owe you?

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Re: Charging and Audio Issue

Post by Helder » Mon Jan 13, 2020 6:41 am

tommyalkhoury wrote:
Sun Jan 12, 2020 12:21 pm
Ok, so after I'm done checking a few things and I decide to send it to you, how much would I owe you?
If it's a faulty chip I'll replace it for free since it is not your fault but if it's a soldering issue (I don't think it is) I will discuss it with you over email or PM.
My Sale Threads:

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Don't contact me about obtaining my board files (as you will not get them). Don't contact me about any of my boards if they are sold out, they will be restocked as soon as I can get them.


Don't support thieves like ckliang who copied my AIO to resell and is now cloning the mintyPi, support the original creators and not the thieves!

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