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81

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by PiingPoong on January 29, 2025, 02:56:01 PM »

I Have a problem with my DualSense 5 BDM-040
It had a drift problem and they decided to change the analogue.
When they changed the analog it is tight to the left
https://ibb.co/hxN8q1Lm
unsolder the analog and the problem still persists
until I saw that these capacitors had been removed
My question is if putting those capacitors will fix the problem? And how much do those that are missing have to measure?

 
https://ibb.co/YTJyxwJG
https://ibb.co/xqzGwfb0

And when I wanted to change the analog, the capacitors broke.
it would be these 3
https://ibb.co/kstqqs9t

82

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by texpertx on January 28, 2025, 02:29:27 PM »

Check and clean the contacts of the FPC and motherboard, just use a Q-tip and some rubbing alcohol. Also make sure the foam piece is still behind it.

Yep, already did all that, didn't help. I even tried to short the contacts on the motherboard to understand where the issue is (to exclude FPC), but it was so inconvenient and I didn't get clear readings...

83

Introduce Yourself / Ciao a tutti!

« Last post by Jack lo svelto on January 27, 2025, 11:43:50 AM »

Un saluto a tutti i presenti nel forum. Sono Antonio e grazie al vostro aiuto spero di riparare e/o dare nuova vita agli oggetti elettronici che mi capiteranno tra le mani, destinati alla discarica.
Soprattutto un caloroso ringraziamento per tutti i geni che hanno avuto tempo e voglia di condividere le proprie conoscenze.
Spero di esservi utile anche io in qualche maniera.

84

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by RDC on January 27, 2025, 04:58:11 AM »

Check and clean the contacts of the FPC and motherboard, just use a Q-tip and some rubbing alcohol. Also make sure the foam piece is still behind it.

85

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by texpertx on January 26, 2025, 11:37:37 AM »

That's just a decoupling capacitor on a voltage rail, it has nothing to do with R1. The controller will still work 100% fine with is missing. The flex cable from the motherboard to the Trigger assembly is where I would look first, as it's easy to mess the contacts up on that thin cable if you are not used to working with it.

Thanks for the reply)
I've got the BDM-040 version, so R1 is on the same FPC as all other buttons. I've checked and cleaned the rubber part and the FPC itself, but it obviously didn't help. I tried to track the lines from R1 connect point on the motherboard, but it seems it does under the surface.

86

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by Kraaz on January 26, 2025, 06:31:54 AM »

Stick pressed Up all the way could be Y-axis shorted to Ground or no power to Y-axis POT or MCU issue.

Stick pressed Right all the way could be X-axis shorted to power or no Ground to X-axis POT or MCU issue.

Thank you RDC, going to inspect.

87

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by RDC on January 26, 2025, 05:45:58 AM »

Stick pressed Up all the way could be Y-axis shorted to Ground or no power to Y-axis POT or MCU issue.

Stick pressed Right all the way could be X-axis shorted to power or no Ground to X-axis POT or MCU issue.

88

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by Kraaz on January 26, 2025, 05:05:27 AM »

Houston i have problem.

One of my friends had an issue where the left analog stick got stuck in the upper - left position after being replaced. ( BDM - 20 )
He gave it to me to repair. I measured the voltages. The Y axis showed 1.814 volts, and the X axis showed 1.75 volts.
When I applied 1.814 volts to the X axis using a jumper, the right stick also got stuck,  in opposite the upper - right position.
I checked the traces and repaired some that were broken, but the issue persists. What could be the problem? I need a little help.

89

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by RDC on January 26, 2025, 01:51:44 AM »

That's just a decoupling capacitor on a voltage rail, it has nothing to do with R1. The controller will still work 100% fine with is missing. The flex cable from the motherboard to the Trigger assembly is where I would look first, as it's easy to mess the contacts up on that thin cable if you are not used to working with it.

90

PS4 Controllers/PS4 Rapid Fire Controllers / Re: DualSense 5 Controller PCB Scans

« Last post by texpertx on January 25, 2025, 02:38:26 AM »

Hey guys)
When left stick started drifting i was so self-confident that tried to fix it by myself. Replaced both of them with some cheap Hall effect one from aliexpress and now they work perfectly, although desoldering was a real pain. But during first use I discovered that R1 button doesn't work at all and "adaptiveness" of L2 works a bit differently, which doesn't bother me much, but R1 is kinda main button on the controller). I started looking for what I did wrong and I've found this awesome thread) After comparing my board using microscope with scans I've discovered that this little guy https://imgur.com/a/NLbsyhz is missing. Would love to know its specs.