(Topic ID: 292560)

Opinion : Would you change C5 and C11 on this driver board?

By Archon9000

2 years ago


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  • 15 posts
  • 11 Pinsiders participating
  • Latest reply 2 years ago by Archon9000
  • Topic is favorited by 3 Pinsiders

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#1 2 years ago

Having reset issues on a WPC game and pulled the driver board to re-pin a few suspect header pins.
I always avoid any unnecessary work on caps and bridges, but I notice C5 and C11 are ballooning at the top and they concern me a bit.

I can just plug the driver board back in at this point, and if all goes well, leave it as is. Or do I proactively change out these 2 caps? I have the tools to do it properly, but even at that, Snap cap removal is never easy.

Anyways, thanks in advance. I look forward to hearing your opinions on this one

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#7 2 years ago

Thanks for all the answers! Really appreciate it!
You guys swap them with new snap caps for better protection against vibrations, or just put in standard radial caps?

#9 2 years ago
Quoted from G-P-E:

Go standard, radial caps when you can find them. Regular radial caps have less chance of ruining the plating within the holes when changing them. Nichicon is one source for caps that will fit. UVR1E153MRD for the 15000uF, 25V caps, UVR1V103MRD for 10000uF, 35V caps.
The snap cap does not give better protection against vibration, they are used to hold the cap in place during the wave soldering process.

Thanks very much!

#15 2 years ago

Just wanted to post a follow-up in the hopes that it helps someone in the future.
I used the methods people suggested in removing all 5 snap caps and didn't damage a single hole.

1. Snipped the leads as close as possible to the PCB with flush cutters
2. Flowed a bit of fresh solder on the leads
3. Used the tips of both the soldering iron and solder pump to hit both leads at the same time.
4. With heat applied to both leads, gently wiggled the cap for about 10 seconds and they fell out.

Thanks again for all the suggestions. Worked out really well!

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