Mintypi v3 sound

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anoldwiseman
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Mintypi v3 sound

Post by anoldwiseman » Sat Mar 16, 2019 9:21 am

The first time I tried testing that the Mintypi v3 worked the sound came on and everything worked fine. I then took the screen off to fix the dark spots and when I plugged it in the second time all I heard from the speaker was this weird crackling noise. Is this an issue with the speaker or something else?
Last edited by anoldwiseman on Wed Mar 27, 2019 6:05 pm, edited 2 times in total.

Joeblowv1
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Re: Mintypi v3 sound

Post by Joeblowv1 » Sun Mar 17, 2019 7:16 pm

I haven't been able to get sound from the headphone jack or the speaker at all yet.

Just wondering what it could be? Would have to doublecheck the speaker, and the "headphone" I was using was actually an old headset from the nintendo ds which may require the extra pins off the side to get audio? Will have to re-test everything and report back, but it looks like I'm not the only one with audio issues

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Helder
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Re: Mintypi v3 sound

Post by Helder » Mon Mar 18, 2019 5:38 pm

Had someone with a sound issue too, he had to reflow the 5V pins on the sound chip.

Image

To test that 5V pads are soldered properly use this image for reference for a continuity test. (red line)
Image
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anoldwiseman
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Re: Mintypi v3 sound

Post by anoldwiseman » Wed Mar 27, 2019 6:07 pm

Ok, so I tried testing the continuity between those pads and got continuity. Just to be safe I tried to reflow the chip. Is there any other fix that I could try applying.

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Re: Mintypi v3 sound

Post by Helder » Thu Mar 28, 2019 1:22 am

Only thing I can recommend is the be sure 5v is going to the audio chip, maybe reflow the chip with some hot air or use flux and a clean tipped iron. Other thing to test are the first 3 test points on the left side of the PCB have proper continuity as those are for audio.
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anoldwiseman
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Re: Mintypi v3 sound

Post by anoldwiseman » Thu Mar 28, 2019 5:28 pm

So I've tried now to reflow the chip multiple times I've tested for continuity and nothing has worked. I don't know what to do. Will, I just have no sound or can anyone think of anything else to try.

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Re: Mintypi v3 sound

Post by Helder » Thu Mar 28, 2019 10:26 pm

Send me it with a note with the issue and I'll have a look.
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