problems with my power supply.

problems with my power supply.

Postautor: Robinson » 17 maja 2018, 12:56


I had about 12v on the 7805 o/p and about 0.78v on the 7912
also the 7912 was over heated , i don't know if it is a latch up , and what is its reason if it was a latch up?
and i don't know also why there is that short cct on the 7912 specially and not the 7805 also
that is the second time that problem happens to me and i dont know how to fix it?

Please help.

I didn't find the right solution from the Internet.

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