The top portion of my versus city power supply is blowing the fuse on power up.
Is this cap related or a volt reg inside ?
It had the thickest layer of dust I’ve ever seen on a psu
And a couple of the resistors/ caps have rust on them
Power supply 400-5261-01x blowing fuse
-
- Posts: 191
- Joined: April 26th, 2017, 3:47 pm
- Location: Canada
- eBay: hrvaat
Power supply 400-5261-01x blowing fuse
You do not have the required permissions to view the files attached to this post.
Last edited by Hrvat9 on November 13th, 2017, 3:22 am, edited 1 time in total.
candy: Sega New Astro City x2, Sega Versus City (sold)
Seeeegggggaaaaaa
Seeeegggggaaaaaa
-
- Posts: 191
- Joined: April 26th, 2017, 3:47 pm
- Location: Canada
- eBay: hrvaat
Re: Power supply 400-5261-01x blowing fuse
Another pic
You do not have the required permissions to view the files attached to this post.
candy: Sega New Astro City x2, Sega Versus City (sold)
Seeeegggggaaaaaa
Seeeegggggaaaaaa
- grantspain
- Tech Head
- Posts: 4823
- Joined: August 17th, 2008, 4:23 pm
- Location: down south
Re: Power supply 400-5261-01x blowing fuse
a fuse blowing is likely dead short, likely it could be bridge rectifier/diodes or transistor
-
- Posts: 191
- Joined: April 26th, 2017, 3:47 pm
- Location: Canada
- eBay: hrvaat
Re: Power supply 400-5261-01x blowing fuse
Most likely on the 5v rail? Or anywhere actually..grantspain wrote:a fuse blowing is likely dead short, likely it could be bridge rectifier/diodes or transistor
candy: Sega New Astro City x2, Sega Versus City (sold)
Seeeegggggaaaaaa
Seeeegggggaaaaaa
-
- Posts: 191
- Joined: April 26th, 2017, 3:47 pm
- Location: Canada
- eBay: hrvaat
Re: Power supply 400-5261-01x blowing fuse
Upon closer inspection as I was making a parts list I found a blown diode! Zd2 is in half. I took it out and tested it and it gave me .7xx so it’s still good , I put it back in circuit. Now I have somewhere to start looking from
You do not have the required permissions to view the files attached to this post.
candy: Sega New Astro City x2, Sega Versus City (sold)
Seeeegggggaaaaaa
Seeeegggggaaaaaa
-
- Posts: 191
- Joined: April 26th, 2017, 3:47 pm
- Location: Canada
- eBay: hrvaat
Re: Power supply 400-5261-01x blowing fuse
Diode at d9 reads .077 both ways, out of circuit it reads good (.500). Getting closer ..
candy: Sega New Astro City x2, Sega Versus City (sold)
Seeeegggggaaaaaa
Seeeegggggaaaaaa