Question Finding Short - PS2 Slim 70000 NTSC-J 12 Fuse board

[Killkong1211]

Hey all,
Just after some advise to try and diagnose my issue and hoping I haven't cooked something important

I was doing a repair of the DC jack on my slim (model as title) and didn't notice that some strands of the desolder braid were left behind and briefly bridged the 8.5v and ground.
Prior to this the unit was working normally (sans janky DC jack at certain angles) but now does not show a power LED or turn on

I'm not 100% what to look for with this sort of short so advise in this regard is appreciated

Have tested continuity on the fuses and only PS1 isn't getting continuity
Would this be the likely fuse to blow on this kind of short? Or is this a red-herring
If bypassed would I see normal functionality if it is the issue?

Have checked majority of the caps and all seem to be fine as well

 

[cy]

It sounds to me like you probably blew this fuse when the console was shorted. I don't know much about the PS2, but I'd put money on it being that blown fuse since this is what fuses or breakers are typically used for. You should probably replace that fuse though instead of just bypassing it, that way if the console is still shorted or if it does get shorted again, it won't destroy everything (assuming only the fuse has been destroyed up to this point). So yeah, if you don't have any shorts going on anymore, you can try bypassing the fuse. Just be cautious and obviously make sure you don't short things like this again.

I had something similar happen at one point with an N64 I was working on. I had a short between 3.3v and GND somewhere, and didn't realize before plugging it in to test it. Luckily either the N64 or the N64's power supply has a breaker somewhere, and that got tripped instead of me frying the console. I had to wait a bit for the breaker to go back to it's normal position, but after I found the short and the breaker reset, the console worked again.

I can't promise that this will fix the issue, especially if the fuse isn't close to where the short was, but from my experience, a broken fuse is usually a smoking gun for this kind of thing.

 

[Killkong1211]

Yeah that was my thought too, just wasn't sure if this was the one most likely to pop since on my board it's quite a way from the jack and there's a beefier fuse much closer to where the short happened, I know distance is relative to pathing but just have that nagging doubt
Definitely will be replacing it the board is fixable, more just thinking to bypass as a triage since it would take a hot minute to get a replacement shipped. Short has definitely left the chat, the sparks are no longer flying haha

Very lucky on that one, unfortunately mine doesn't seem to be so lucky, it was off and unplugged while at work and time did not solve it for me sadly

Will have to try the bypass tomorrow since it's getting late now

 

[Killkong1211]

So dispense with the suspense, and in case anyone else ends up in this situation:
Bypassing PS1 fixed it, the bad fuse was the culprit, now I just need to convince myself to shill out $24 shipping for a 40c fuse

 

[cy]

Glad to hear that worked! That's how it usually goes with fuses. Just be glad it was the fuse that got blown up and not your entire console! I know I was when this happened to my N64. As a result of this, I started checking the resistances between all voltages whenever I do anything to a console. Only takes a moment, and can save your console if you catch it before powering it!