Earlier today I turned on my TZ after a month or two of not being able to play it. I noticed that the GI of the right hand side of the playfield was off. When I checked the fuse holder (and the surrounding area), as shown in the attached image, the fuse clip on the left side looks 'kind of funky'. The fuse tested fine, and when I put it back and turned on the machine the GI seemed to work just fine (?). I will be replacing the fuse holder for sure, but am left with two questions:

1. What could cause this? On one hand it looks like it overheated due to a short. But I would assume that the fuse would have blown if that was the case. Seeing the gunk on the connector below the fuse holder makes me wonder if this could be corrosion? I'm hoping that someone here can help me understand this better.

2. I'm not having much luck finding a replacement part. Does anyone know what the part number is and/or where to get a replacement?

Thanks for reading so far

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Thanks everyone for your comments! I'm glad to learn that there is a straightforward explanation for this