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I have one that I need to install in my Mac II, it won't even boot without a battery.

I got dialectric grease for the anode cap and RTV silicone for the flyback. I'll post pics when I get it done.

I've got this one on the side of mine. Don't know how to decipher it though. It's a bit faded but I left it there anyway for authenticity.

I have a 120 and a 130. I keep the 120 in a glass case with some of my small stuff. It still has the round red sticker on the cover. If I could get wifi on it, I would use it everyday!

After perusing Youtube, I found some videos (mostly in Bengali). Even though they're not in English I got the gist of it. In one video here, RTV silicone is used on the anode cap. This is what @Stephen used on his flyback. RTV is widely used in the auto industry for a gasket sealant due to its...

Spoke a little too soon, the Mac Plus that worked great is now taking 3 or 4 minutes to display a picture. It looks clear and bright but the Mac is booted for a few minutes before the screen comes up.

Good to know. You can pick that stuff up at the auto parts store cheap. It's the same stuff you put on spark plugs, and headlight terminals. I'm wondering if I could just use that to "plug up the holes" in the flyback yellow glue?

I'd love to see some pics, as I'm sure would JDW too.

I decided to post this separately to keep it cleaner. I did the darkroom test and both flybacks are leaking blue. Surprisingly, the one that has no picture (black screen) was only showing a small blue dot (leak) where indicated. This was the oily, sooty one. The caps look really clean on this...

Here are some pics of the anode cap and wire cap before and after cleaning. The same oily substance combined with what looked like soot was all over the back of the CRT and in a very thin layer all over the inside of the Logic board, analog board and inside case. It was almost like it had been...

I read the EEV blog post on this topic and I will do the darkroom test on a few of my older Macs. I'll let you know what I see. It would be really nice to have a proven way to remedy or even prevent this problem with flybacks. Most of my compacts (128, 512, two pluses) look pretty brown and...

I have a few compact Macs where the flyback sealer is pretty dry and cracked looking. Is there a sealer or glue I can use to re-seal it? This one on my Mac Plus (my first computer) looks like it's developed little holes and pits. What is this stuff anyway?