This one has a dead power supply board, plus somebody tried to "fix"
it in rather kludgy ways.
Thanks,
A_H
You can buy a complete operation/service manual for the 760A from
https://www.ridgeequipment.com/store/manuals/search.php?query=760A
or
http://www.manualsplus.com/
Both are reputable vendors.
Cheers!
--
David
dgminala at mediacombb dot net