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Repair guides, disassembly, and troubleshooting information for the third generation Sony PlayStation 5 DualSense controller. Identified by model number CFI-ZCT1W and motherboard model BDM-030.

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R1 button broken after TMR upgrade

Hi all.

So my cousin had some stick drift on his PS5 controller, and I offered to upgrade it to TMR sticks. The upgrade was successful but now the R1 button doesn't work. He mentioned he dropped it once and one of the shoulder buttons got stuck, but that he un-stuck it and it was working fine after that. Things I've tried:

  • I tried swapping the button membrane from the working L1 button to the R1 button.
  • Replaced the conductive film.
  • Cleaned the area where the motherboard interfaces with the conductive film.

What else could it be?

Thanks

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Hi!

I would check the traces for the next step on the motherboard. Please check if they are all OK. Especially that goes to the membrane on the motherboard.

Almost certainly that it's motherboard related when the same issue occurs with a new membrane...

Sorry for the bad news.

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2 Comments:

Thanks for the response.

Is it possible that the trace could run under one of the thumbsticks? I used the method where you cut the thumbstick up for one of them because I couldn't get it off with my thumstick removal tool and it's possible I damaged some of those traces. Should I remove the thumbstick and check?

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Yes that is possible! I would check and see what you can find. If possible, can you share some pictures regarding that? Thanks!

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Allen Oster will be eternally grateful.
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