03-05-2020, 09:05 PM
So there we have two examples 
Earlier I asked if these might be laminated CRTs, and the more I think about it, the more convinced I am about this. As I said, the fact it's coming in from the edges is the clue - moisture is reacting with the glue in some way.
Searching around, it does seem to be something that affects some 18" Sony CRTs. See post #6 of this thread: https://www.vintage-radio.net/forum/show...?p=1051145
It's often called "CRT Cataracts", and searching for that phrase returns lots of interesting results. Some people go to the effort of removing the outer layer and cleaning away the glues, but I'm not sure how safe that would be.
I haven't inspected my KV1820s for a while. They have been kept in warm and dry conditions, and the CRT in the 1800 is unique to that set as far as I know, so I'm hopeful. As mentioned earlier, one of them is an absolute minter - imagine how annoying it would be if it caught this disease
Earlier I asked if these might be laminated CRTs, and the more I think about it, the more convinced I am about this. As I said, the fact it's coming in from the edges is the clue - moisture is reacting with the glue in some way.
Searching around, it does seem to be something that affects some 18" Sony CRTs. See post #6 of this thread: https://www.vintage-radio.net/forum/show...?p=1051145
It's often called "CRT Cataracts", and searching for that phrase returns lots of interesting results. Some people go to the effort of removing the outer layer and cleaning away the glues, but I'm not sure how safe that would be.
I haven't inspected my KV1820s for a while. They have been kept in warm and dry conditions, and the CRT in the 1800 is unique to that set as far as I know, so I'm hopeful. As mentioned earlier, one of them is an absolute minter - imagine how annoying it would be if it caught this disease
