Mode button stuck

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eggbowl
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Mode button stuck

Post by eggbowl » Sat Sep 12, 2020 7:20 pm

I'm putting together my mintypi v3, I have a problem where the mode button is always pushed. I checked with a multimeter and the leads are not connected. I checked all the other buttons and took the silicone pads off. I checked that there are no shorts on the joints between the pi and the aio board. I have tried 2 different sd cards and reflashed each one but still the mode button is stuck.
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Spyder
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Re: Mode button stuck

Post by Spyder » Mon Sep 14, 2020 9:48 am

Does it still have the problem if you remove it from the 3d printed part?

eggbowl
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Re: Mode button stuck

Post by eggbowl » Mon Sep 14, 2020 6:49 pm

Remove the screen bezel you mean? I don't see why that would make a difference since that's not the button registering.

Bush Master
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Re: Mode button stuck

Post by Bush Master » Fri Sep 18, 2020 11:30 pm

Does the function/mode button work or can you press it?

eggbowl
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Re: Mode button stuck

Post by eggbowl » Sat Sep 19, 2020 6:29 am

No, pressing it doesn't make the menu go down

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Re: Mode button stuck

Post by Bush Master » Sat Sep 19, 2020 5:40 pm

I don't know a lot but you could try unsoldering it and then soldering it back in. You could also try and get a new button.

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Helder
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Re: Mode button stuck

Post by Helder » Mon Sep 21, 2020 7:42 am

Usually it means there is a bridge where the GPIO for the function button is, but could be a bad button which is not common but the soldering as the issue is.
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Re: Mode button stuck

Post by eggbowl » Mon Sep 21, 2020 6:35 pm

This is what my soldering looks like. I've checked the gpio pins and I don't have any shorts, and the mode button test pad is connected to the button. The leads on the button aren't shorted to each other, except when I push the button.
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Helder
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Re: Mode button stuck

Post by Helder » Wed Sep 30, 2020 5:01 pm

The short could be between the board and pi, just because it looks decent means it is. Go over the Mode GPIO and the surrounding GPIO with some flux and solder braid to suck up some of the solder in the holes and it might clear it up.
Chat with me and other members On Discord

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