110v to 240v conversion for av754 and tfm25

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akkoelsch
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110v to 240v conversion for av754 and tfm25

Post by akkoelsch » Thu Aug 05, 2010 2:42 am

Hi, I am trying to convert a tfm 25 and an av753 from 110v to 240v. I could use a step down transformer, but the transformers housed within the carvers may have the windings (there's a tfm 25 service manual that lists "voltage conversion" as a topic). Question: Does anyone know of a procedure to do this - or does someone know that internal changes can not be done and that step down transformers have to be used?) Thanks for any insights!

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beemers417
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Re: 110v to 240v conversion for av754 and tfm25

Post by beemers417 » Fri Aug 06, 2010 5:53 pm

I have notes somewhere around here for the TFM amps. I will start looking. It has been a while since I did a conversion.
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akkoelsch
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Joined: Thu Aug 05, 2010 2:31 am

Re: 110v to 240v conversion for av754 and tfm25

Post by akkoelsch » Sat Aug 07, 2010 12:17 am

Thanks for looking! I've found the page in the service manual for the tfm25 - the procedure seems simple, I'll give it a shot. Next the AV753 - I have not seen a service manual for it yet, nor have I seen a 220V version of it. Still more research to be done on the AV753.

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