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Still without a power supply

Well… it has been some time since I posted my progress and even though I haven’t made any progress, sometimes just letting a problem simmer for awhile can help.

I you follow my excellent adventures I purchased a Ten-Tec Century 21 with a bad power supply and a sticky PTO.  The gentleman that I purchased it from certified that he had run it from an external power supply and until recently when I contacted Ten-Tec’s patient support guys I learned that it shouldn’t be run from an external power supply:

” Dear David:

The internal power supply has an over current shut down that protects the
final transistors. It is not a good idea to use any external power supply.
The switching supply will power the Century from the DC jack. It would be
best to repair the internal power supply.

Paul R. Clinton
Service Manager”

The trouble is I can’t find the problem.  I’ve gotten a generous suggestion to isolate the power supply by removing some the the leads to other sections and then test it but I can really figure out what is being said from the description… probably my general ignorance.

In any event I will be jumping back in with more questions soon, but life keeps getting in the way.

73 all!

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