Removed PPU from NES - does this look alright?

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Stingrayedd
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Joined: Fri Feb 12, 2016 1:19 pm

Removed PPU from NES - does this look alright?

Post by Stingrayedd »

Just removed the NES PPU and I'm worried that I mangled up the board. Could you guys take a look and tell me what you think?

https://imgur.com/a/QLFOU

Just want to make sure I'm not wasting a good NES RGB kit on a board I may have screwed up. I'm wondering if that trace that's coming up would also cause some issues.

Appreciate the help!
leonk
Posts: 1098
Joined: Sun Mar 13, 2011 9:29 pm
Location: Toronto, Canada

Re: Removed PPU from NES - does this look alright?

Post by leonk »

WOW. Doesn't look good.

I suggest you get some 99% alcohol, some cotton swabs, and then clean those pads. Then use a multimeter to test the pads. Trace them to nearest via's or components. A seasoned modder can bring this back to life. It also seems you got some through holes that are filled still! How are you going to socket!?

If you don't feel comfortable completing this install. Have someone else do it for you.
Stingrayedd
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Joined: Fri Feb 12, 2016 1:19 pm

Re: Removed PPU from NES - does this look alright?

Post by Stingrayedd »

Yea, just a lack of experience in this type of work. I'll clean up the pads and test them. If it's no good at least I'll have a board to practice on and I'll get a better desoldering tool next time around. If I still feel uncomfortable, I'll seek out a modder.

Feel bad that I may have killed a good front loader, though. :/
kamiboy
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Location: Denmark

Re: Removed PPU from NES - does this look alright?

Post by kamiboy »

Don't be crazy, even if you have destroyed the pads they can easily be saved. For the love of the grand gaming god Shiggy do not treat that top loader as a trash board for practice or what have you. Worst case, if you feel you cannot use it I'll buy if off of you.
Stingrayedd
Posts: 3
Joined: Fri Feb 12, 2016 1:19 pm

Re: Removed PPU from NES - does this look alright?

Post by Stingrayedd »

kamiboy wrote:Don't be crazy, even if you have destroyed the pads they can easily be saved. For the love of the grand gaming god Shiggy do not treat that top loader as a trash board for practice or what have you. Worst case, if you feel you cannot use it I'll buy if off of you.
It's a front loader. I would have committed seppuku if I had mangled a top loader.
kamiboy
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Location: Denmark

Re: Removed PPU from NES - does this look alright?

Post by kamiboy »

Ah, well, it is still prefectly salvageable.
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mikejmoffitt
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Re: Removed PPU from NES - does this look alright?

Post by mikejmoffitt »

It looks pretty rough, but a lot of the pads on the top are only connected on the bottom, so if they're gone it's not the end of the world. They do help with stability of installation, but it will work with some of them gone. A few on the top and bottom definitely need some patching, but you should be able to recover it.
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darcagn
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Re: Removed PPU from NES - does this look alright?

Post by darcagn »

Yeah you definitely destroyed some of the solder pads; however, if you solder a wire from the PPU pin to the component it connects to, on top and bottom of the board, for each pad you destroyed, you'll easily bring it back to life. :)
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