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PSP 2000 with defective start button


wierd_w

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I have a PSP 2000 (silver) with a defective start button.

I have already replaced the button strip, no love.

Updated it to 6.60, still no love.

 

I suspect there to be a hardware issue with the motherboard. Diagnostic software (with temp CFW) says it is a TA-085 v2 mainboard.

 

Anyone here familiar with these beasts that can lead me down the rabbit hole?

 

 

NM, I think this is the right service manual.

https://uofw.github.io/upspd/docs/hardware/ta085.pdf

 

It gives a parts list, so with a multimeter, I should be able to spot-test the needful.

Edited by wierd_w
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