When this amp was designed 3 prong plugs were not used. Safety regulations have changed since then and it's a clever idea replacing these old two connector cords altogether for brand new three connector power cords and rearranging the power grounding in any old amp. For a good reason that cap is commonly called the "death cap". Better avoid this old and outdated "hum removal" arrangement.
About supply voltage, I cannot remember it and I'm not at the computer where I have all the schems and amps data. I would check it later. Sorry... But if I remember well, there are some Ampeg voltage charts somewhere in the web. Do some searches.
As Tom said, did you blew the PT by directly plugin it to the 230VAC supply in Spain? If so, Check all your power rail filter caps too. They might have blew or become damaged due to excess of heat and voltage before the PT finally died. Burning the PT takes some time. Plenty of time to send all your power supply caps south. Specially aged ones. If the caps were still alive and fine before (I really doubt it in an amp that old) this stress surely drastically reduced their life if any of them survived. If this is the case I wouldn't waste time checking old overshot caps. Just replace them all for fresh ones. Something that should be done in any old amp like this anyway.
PS, By the way. Check all the power rail resistors too, even the plate resistors in every stage. I've repaired a few amps burned like this. If the PT takes a long time to die it's not strange finding some resistors fried or out of specs due to overheating.
About supply voltage, I cannot remember it and I'm not at the computer where I have all the schems and amps data. I would check it later. Sorry... But if I remember well, there are some Ampeg voltage charts somewhere in the web. Do some searches.
As Tom said, did you blew the PT by directly plugin it to the 230VAC supply in Spain? If so, Check all your power rail filter caps too. They might have blew or become damaged due to excess of heat and voltage before the PT finally died. Burning the PT takes some time. Plenty of time to send all your power supply caps south. Specially aged ones. If the caps were still alive and fine before (I really doubt it in an amp that old) this stress surely drastically reduced their life if any of them survived. If this is the case I wouldn't waste time checking old overshot caps. Just replace them all for fresh ones. Something that should be done in any old amp like this anyway.
PS, By the way. Check all the power rail resistors too, even the plate resistors in every stage. I've repaired a few amps burned like this. If the PT takes a long time to die it's not strange finding some resistors fried or out of specs due to overheating.
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