oval shaped black
painted metal can type with the pinched evacuation nipples.
Don Resor
From: Joshua Rice
Sent: Thursday, October 13, 2022 9:44 AM
To: D. Resor
Subject: Re: [cctalk] Re: Xerox 820II U07 Power Supply magic smoke
On Oct 13, 2022, at 2:32 PM, D. Resor
Side thought: I had one of those blow up on a BA23 chassis a few months
ago. When I opened the supply it was full of aluminum paper from the
inside of the cap; glad it didn't short out any other components.
Remove and replace.
C
On 10/13/2022 11:01 AM, Jon Elson via cctalk wrote:
On
On 10/13/22 08:32, D. Resor via cctalk wrote:
I do understand that these are common film capacitor types. There is one more
smaller .10ufa RIFA branded capacitor hiding near the center of the PWB.
A couple reasons I'd like to have a circuit diagram is to know what the RIFA
capacitors purpose
-Original Message-
> From: Joshua Rice via cctalk cctalk@classiccmp.org
>
> Sent: Thursday, October 13, 2022 4:43 AM
> To: General Discussion: On-Topic and Off-Topic Posts cctalk@classiccmp.org
>
> Cc: Joshua Rice ric...@btinternet.com
>
> Subject: [cctalk] Re:
cctalk
Sent: Thursday, October 13, 2022 4:43 AM
To: General Discussion: On-Topic and Off-Topic Posts
Cc: Joshua Rice
Subject: [cctalk] Re: Xerox 820II U07 Power Supply magic smoke
You shouldn't need a schematic. These thin film caps are a common failure mode
on a multitude of PSUs. Just
> If it's gold and got RIFA on it, replace it, though.
- snip -
> I've learned now, to always check every PSU or other mains-powered
> vintage equipment for these little stinkbombs. If they're present, i'll
> always replace.
Yup, always replace. These are not parts that can be rehabilitated.
You shouldn't need a schematic. These thin film caps are a common
failure mode on a multitude of PSUs. Just replace like for like. Thin
film X and X2 rated caps are easily found from your favorite electronics
part retailer.
If it's gold and got RIFA on it, replace it, though. Just because
