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Looks to have some foldover, so the 50uF cap (C507) in the cathode circuit of the Vertical Output Tube (Should be a 6GF7) is BAD. Always get rid of the original, and check any replacements.
Cheers,
__________________
Brian
USN RET 22YRS (Avionics/Cal)
CET-Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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