[Heath] DX-20 Power transformer survival?

[John Klingelhoeffer]

A fellow ham asked me to take a look at his DX-20 after it had started smoking (enough to set off the smoke detector in the room!).  It was on, but reportedly not in transmit when this happened.  Really strange that this transmitter has no fusing at all in the primary AC circuit.  (That will be fixed, as well as adding a three-wire grounded power cable.)  


Pulling the chassis from the cabinet, there is a tablespoon of brown / black tacky goo that has drooled out of one of the power transformer holes onto the cabinet.  I figure something along the HV line has shorted, but have not looked at it further, yet.  The HV caps are not originals, but they are not spring chickens, either.  


My question to the group is: even if I remove the source of the short and repair it (assuming it is outside the transformer), is it likely that the transformer has suffered terminal damage or is it likely to be just fine for another 60 years?  


Thanks and 73,   John... WB4LNM   One of the hams from Heath.  
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