Buttons been acting bizarre for quite a while.

YRMM

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So, bare with me: occasionally, everything works as intended.
Here's the problem: every so often (translation: almost always), the up button locks up, usually making it useless. Worse (somehow) is that everything but the left (maybe right too idk) stick and PS button stops working outside of LiveArea, which unsurprising turns the console into a temporary paperweight.

Wonder if anyone else has had this issue, and if there's a solution to the problem.
Should probably mention that my system has been modded since right after I got it, which was great until this randomly started November last year.
 

Anderxale

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Could be software or could be hardware.

Easiest test is to turn off, the hold L while turning it on to temporarily turn plugins off. Then test your buttons out, "Welcome Park" can help as a test app. If the buttons work, then your issue may be plugin related.



If not a plugin...

You could try wiping, updating and re-jailbreaking. Just because it's easier than reassembly. No need to wipe games or game saves to try (say NO if it asks)

You could replace your buttons boards and belts: You can order a #00 Phillips screwdriver, controller boards, and controller belts for about $20 on AliExpress and follow a reassembly tutorial. (If you have a 3G model, you only need specific 3G controller boards if you want to use the 3G antenna).

Warning:
Some consider replacing vita parts difficult. But if you can follow disassembly/reassembly instruction or video with patience it's not that tough.

It could also be a broken motherboard but unlikely unless you took it apart, damaged the vita (dropping maybe), or got it wet. You can replace your motherboard as well (and keep installed games and saves).
 

YRMM

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Could be software or could be hardware.

Easiest test is to turn off, the hold L while turning it on to temporarily turn plugins off. Then test your buttons out, "Welcome Park" can help as a test app. If the buttons work, then your issue may be plugin related.



If not a plugin...

You could try wiping, updating and re-jailbreaking. Just because it's easier than reassembly. No need to wipe games or game saves to try (say NO if it asks)

You could replace your buttons boards and belts: You can order a #00 Phillips screwdriver, controller boards, and controller belts for about $20 on AliExpress and follow a reassembly tutorial. (If you have a 3G model, you only need specific 3G controller boards if you want to use the 3G antenna).

Warning:
Some consider replacing vita parts difficult. But if you can follow disassembly/reassembly instruction or video with patience it's not that tough.

It could also be a broken motherboard but unlikely unless you took it apart, damaged the vita (dropping maybe), or got it wet. You can replace your motherboard as well (and keep installed games and saves).
Apologies for taking this long to respond, but thanks for the suggestions. I've already tried the first two suggestions, and neither worked.
 

Anderxale

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Wall of text... My apologies

Please don't worry, you are the only one put out by your Vita not working. Take all the time you need to respond.

Sorry that the software solution ideas that I had didn't solve it... I want to state that this doesn't for sure mean the issue isn't software - just unlikely.

If you want to be sure it's not plugins:
If you want, you can copy and paste the contents of ur0:tai/config.txt and ux0:tai/config.txt to this thread so I can look through your plugins. Since your controls don't work, you can do this by opening VitaShell by touch and hopefully you can hit select to connect the vita to a computer via FTP or USB to access ur0 and ux0.

Probably not plugins though...

If hardware, diagnosis can be challenging... If you choose to go in (disect):

A Phillips precision screwdriver can get you in. There are screws on the back, 2 screws on the bottom and 1-2 screws on the top behind a cover (1 for SLIM and 2 for OLED). After getting all 7 or 8 screws out, I like to pull using a fingernail behind the L or R button. Open from the top like a clamshell - there are belts connected at the bottom.

I'm guessing your Left controller board or it's belt is cracked or corroded because sometimes it works. But I'm guessing.

If nobody has ever opened your Vita
The issue could be corrosion (humidity or water damage):
Belt connectors corroded.
Motherboard belt connector corroded.
Controller board belt connector corroded.

If it's corroded, you can probably see evidence of it on other board components. Opening the vita and looking at where components are soldered to the board may show evidence - if they appear to have a residue on them and next to them (look dusty white, brown, red or dark). You could look at the belt connectors themselves to see if they look shiny.

If corroded, you can just give the connections a good scrubbing with a soft toothbrush and rubbing (isopropyl) alcohol high percentage. Be Very Very gentle with the connectors on the boards. Make sure it's dry (wait) before reassembly.

While looking for corrosion, look to see if your belts are damaged. There is a main belt to each controller board. Copper colored and wide (on a SLIM, one goes behind the battery and also connects to the power button).

Another could-be issue is cracking the controller board. Accidently pressuring the sticks hard or buttons really hard can put that pressure into the board. Not able to check this visually unfortunately. Rule out corrosion and damaged belts - and then try replacing boards.

Finally... It could be (unlikely but possible) a broken motherboard. Something may have happened to overvolt or overheat a chip or trace that controls the controller board.

Belts are very inexpensive, like $2.00USD.
Controller boards are pretty inexpensive. I've received 1 out of 10 that didn't work... so I suggest buying 2 at a time. $5-$10USD.
Motherboards are about $40USD. Motherboards are always used... Out of 20+ motherboards that I have bought, only 1 had a broken feature (3G board with nonworking 3G port).

Replacing EVERYTHING without diagnosis for $55 USD I'm pretty sure it would work again.
If you need links for parts on Ali-Express, let me know.

Another option:
Sell it as a "for parts" vita before you put time, effort and money into it - and let someone else fix it. Probably sells for $80USD "as-is for parts" without charger. Buy another fully working Excellent condition Vita for $150USD without charger.

Sorry that everything is in USD, I don't know how much this translates to.
 
Last edited by Anderxale,

YRMM

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Wall of text... My apologies

Please don't worry, you are the only one put out by your Vita not working. Take all the time you need to respond.

Sorry that the software solution ideas that I had didn't solve it... I want to state that this doesn't for sure mean the issue isn't software - just unlikely.

If you want to be sure it's not plugins:
If you want, you can copy and paste the contents of ur0:tai/config.txt and ux0:tai/config.txt to this thread so I can look through your plugins. Since your controls don't work, you can do this by opening VitaShell by touch and hopefully you can hit select to connect the vita to a computer via FTP or USB to access ur0 and ux0.

Probably not plugins though...

If hardware, diagnosis can be challenging... If you choose to go in (disect):

A Phillips precision screwdriver can get you in. There are screws on the back, 2 screws on the bottom and 1-2 screws on the top behind a cover (1 for SLIM and 2 for OLED). After getting all 7 or 8 screws out, I like to pull using a fingernail behind the L or R button. Open from the top like a clamshell - there are belts connected at the bottom.

I'm guessing your Left controller board or it's belt is cracked or corroded because sometimes it works. But I'm guessing.

If nobody has ever opened your Vita
The issue could be corrosion (humidity or water damage):
Belt connectors corroded.
Motherboard belt connector corroded.
Controller board belt connector corroded.

If it's corroded, you can probably see evidence of it on other board components. Opening the vita and looking at where components are soldered to the board may show evidence - if they appear to have a residue on them and next to them (look dusty white, brown, red or dark). You could look at the belt connectors themselves to see if they look shiny.

If corroded, you can just give the connections a good scrubbing with a soft toothbrush and rubbing (isopropyl) alcohol high percentage. Be Very Very gentle with the connectors on the boards. Make sure it's dry (wait) before reassembly.

While looking for corrosion, look to see if your belts are damaged. There is a main belt to each controller board. Copper colored and wide (on a SLIM, one goes behind the battery and also connects to the power button).

Another could-be issue is cracking the controller board. Accidently pressuring the sticks hard or buttons really hard can put that pressure into the board. Not able to check this visually unfortunately. Rule out corrosion and damaged belts - and then try replacing boards.

Finally... It could be (unlikely but possible) a broken motherboard. Something may have happened to overvolt or overheat a chip or trace that controls the controller board.

Belts are very inexpensive, like $2.00USD.
Controller boards are pretty inexpensive. I've received 1 out of 10 that didn't work... so I suggest buying 2 at a time. $5-$10USD.
Motherboards are about $40USD. Motherboards are always used... Out of 20+ motherboards that I have bought, only 1 had a broken feature (3G board with nonworking 3G port).

Replacing EVERYTHING without diagnosis for $55 USD I'm pretty sure it would work again.
If you need links for parts on Ali-Express, lete know.

Another option:
Sell it as a "for parts" vita before you put time, effort and money into it - and let someone else fix it. Probably sells for $80USD "as-is for parts" without charger. Buy another fully working Excellent condition Vita for $150USD without charger.

Sorry that everything is in USD, I don't know how much this translates to.
:wacko: :wacko: :wacko:
In all seriousness, thank you so so much for taking the time out of your day to write this. That is the kind of dedication I truly admire. Tbh, I don't know how prepared I am to make this work given my non-existent experience in repairs, but it's still greatly appreciated.
 
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Anderxale

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:wacko: :wacko: :wacko:
In all seriousness, thank you so so much for taking the time out of your day to write this. That is the kind of dedication I truly admire. Tbh, I don't know how prepared I am to make this work given my non-existent experience in repairs, but it's still greatly appreciated.

Totally understandable.

Yeah, I'm a Vita hardware modifier. What seems easy to me is way out of the realm of possibility for many.

Selling a "for parts" Vita on eBay could fetch you over half the cost of a very nice Vita from Japan.
 
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