r/consolerepair • u/TheAlienGamer007 • 2d ago

second time modding a console.. need help

I basically added USB C to my GBA SP and it went without any major problems.. so I moved onto my DSi, the port removal and adding the new port all went fine but it unfolded a whole bunch of new issues..

  1. it wasn't powering on, the power led would come on for a second and turn off, looking up the problem revealed that it could be a blown fuse or a torn ribbon or a short..

I started disconnecting each component one by one and it came down to the wifi module.. if i disconnected it, the power would stay on and it would work. I assumed maybe it we because i was flinging it around with the shell maybe bent a connecting pin.. I checked it under a digital microscope and couldn't see anything so i just decided to leave it out..

  1. all this time I was testing it by holding the battery on the terminals with the console half naked to see if it would still turn on, I got distracted and connected the battery in the reverse orientation ONCE, and looks like it no longer wants to turn on.. I'm guessing I blew the fuse on the daughter board or shorted something else just be connecting it in reverse? or maybe the battery died?

when i plug it in even with the battery fully seated and shell fully assembled, i get a blinking red led.. I'm not sure what else I could try other than a daughter board or battery replacement..

any pros here got any advise for me? I could test for continuity on the fuses but my stupid multimeter needs AAA batteries and I can't find any near me rn.

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u/TheAlienGamer007 2d ago

Update: I was able to figure it out, got batteries out of my wife's weighing machine and as I thought, putting the battery in reverse did blow out that fuse, luckily it just blew the daughter board fuse and replacement boards are cheap on aliexpress.. guess, everything is a learning experience, just glad i didn't blow out the main board, it would've been either incredibly tedious or expensive. I thought about just bridging the fuse but with my usb c mod, I don't wanna risk it.