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I've fixed the problem of my PSP for not switching on, but now my button is not responding, only the directional button, X button and the whole row of the bottom row button is responsive, I've tried using Isopropyl to clean the ribbon and the button mapping.
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Hi!
At this moment I would test new components.
First replacing the bottom buttons for a new one and see how that goes. Guide: PSP 1000 Motherboard Replacement - iFixit Repair Guide (step 7).
Then I would replace the input board. Guide: PSP 1000 Motherboard Replacement - iFixit Repair Guide (step 13).
Please see if that works or not! If not, then it's most likely motherboard related.
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It could be an issue with a button pad. I would check them, and if need be, clean them as well.
Fixer of Stuff さんによる