Electronics > Projects, Designs, and Technical Stuff

Transformer ID?

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Murphy:
Note that there are actually 2 power supplies on that board. The small one to the bottom left powers the larger one that controls the output. First check if that power supply is functioning it should be putting out some small voltage and if it isn't doing that then the rest of the circuit won't start up. It's possible there is nothing at all wrong with the power electronics.

If that smaller output voltage doesn't exist you might have a really cheap/easy fix in that smaller circuit.

Check if any mosfets are shorted gate-drain.

jinuq:
@Murphy,
   Thanks for the information. I cheated and just bought a new power supply.

Murphy:
Where's the fun in that? =D

jinuq:
There is none. 8^( But work demands my time for other things. No time for exploring.

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