Sorry for my english first.
Hi everyone. I’ve been trying to solve this problem for a long time—it’s all shown in the video. If I press or slightly shake the PSP at a specific spot on the motherboard (this happens even when it's inside the casing, so it’s not my fingers causing it), the screen cuts out completely. It only comes back on after I power the device off or put it into sleep mode and wake it up again. I saw a similar thread on Reddit where someone suggested wedging a piece of paper in there to press against the board and prevent it from flexing; I tried that and it worked, but I want to get this PSP into proper working condition without relying on a workaround like that.
I’m willing to do anything except buy a new motherboard; I’d rather repair it, as that would simply work out cheaper for me. It would be great if you could point out the exact spot where I need to do something to fix the issue. I also used a multimeter to check the power capacitor and others, following a guide; they are all perfectly fine—even when shaken—so I’m not sure what the problem is.
Psp 3008, 3g(how system say), I bought it second-hand with this problem already present; it had never been opened, and the seal was intact and undamaged.