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Originally Posted by yagosaga
This is only one reason for a dim picture. The former metal cone crts had problems with going gassy. But I assume that this set has a 21CYP22 crt, an all glas tube. If this is going gassy, it is imploding. ;-)
There are a lot of other reasons for a dim picture: low high voltage or focus, bad crt screen voltage, low IF amplifying and so on. I think, a dim picture is a good sign that with a little adjustment you can get a clear and bright picture.
BTW: read the questions. The seller will crate it and ship it if you are willing to pay the additional handlings.
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Yes these are valid causes of dim picture but in most cases of a dim picture I have seen, a weak CRT (low emission) has been the problem.