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Zenith SR3587 help
My parents have a Zenith 35” CRT set I believe it’s model SR3587. The CRT is still in good shape so I would like to save it. I have worked on this set before bad solder connections and caps. My latest problem with this set is the vertical is starting to shrink about an inch both top and bottom. The amount of shrinkage seems to be related to beam current. Horizontal width does not seem to change and is correct. I’m thinking I have bad caps in the vertical or power supply. Unfortunately I don’t have a schematic for this chassis so any help would be appreciated.
Thanks Steve
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