Using SNES, getting checkerboard on some solid colors

[patricktamu]

I’m seeing the checkerboard pattern that is shown in the My Life In Gaming video that talks about the OSSC. I’m using the NTSC CSYNC Shielded/Grounded cable sold by retro_console_accessories on ebay. My SNES is the original model and pretty sure it is not a 1-chip (picture is a little soft.)

According to the video, the checkerboard pattern appears if you use composite as sync cables, but I’m using CSYNC cables, which I thought was suppose to prevent this issue with upscalers. The checkerboard doesn’t appear on my PVM. I also plugged the sync line directly into my composite video input to check, and I got a black screen. I think this confirms that this isn’t a composite as sync cable.

Anyone know why I would get the checkerboard with a CSYNC cable? Do I need a better cable? Sync Stripper? Or could the console be noisy?

Additionally, this console is a replacement I got from the Nintendo repair shop, if that makes any difference.

[BuckoA51]

Can you post a screenshot? Csnyc cables get rid of checkerboarding 100% on my 3-chip SNES.

[patricktamu]

After checking again, the checkerboard isn’t nearly as bad as the ‘my life in gaming’ video. It is barley visible, and looks more like columns with alternating colors. Sorry, I don’t have an HDMI capture device.

Could only capture something on my phone on a black screen.

Here it is barley visible on a green background.

I do think I can see this a little on the PVM, but extremely hard to see. I’m guessing it is the console.

[BuckoA51]

Yeah that’s not the typical checkerboard pattern caused by non-csync cables. Could be bad caps in your SNES, might be worth opening it and taking a look.

[patricktamu]

Sorry for long time, no reply.

I opened up the console and didn’t see anything obviously wrong, but I’m no expert. I ended up buying another SNES console and that fixed the issue.

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