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Thanks. Would the V/O tube's having no effect on the white screen/no sound issue whether it is plugged in or not likely mean something is not right with its socket/socket connections (the tube is OK), or perhaps be more about the IF stage transistors being cooked?
I'd really like to try and repair the socket, but not sure if there's an easy way to do it. It's not in that bad of shape yet. If I pop the socket out, can I ask what I should look for to see if it is in working order?
I just don't understand how the tube could light up, but have no effect on the problem, plugged in or not....
Perhaps I need to find and solder more ground connections between the PC boards and chassis?
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