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Tenma Power Supply Firmware & Schematics (72-13300, 72-13310, 72-13320, 72-13330)

tr0lldermort

Hello guys,

I recently broke my Tenma power supply, model number 72-13310 (it belongs to the series 72-133xx). The front panel is unresponsive, leading me to believe one of the microcontrollers may be faulty.

Does anyone have any schematics or firmware files for this series of power supplies? I'd be very disspointed to have to throw away a good supply which only needs the cheaper digital electronics repairing / replacing.

Thanks for any help!

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  • +1

    For anybody in the future landing on this thread, the manufacturer of Tenma power supplies is actually a group called "Korad". The specific PSU in question is model "KD3305D".

    They were extremely helpful, and sold me a new controller PCB which brought my power supply back to life. They also were happy to share schematics so I could attempt to repair the broken board at my leisure.

Reply
  • +1

    For anybody in the future landing on this thread, the manufacturer of Tenma power supplies is actually a group called "Korad". The specific PSU in question is model "KD3305D".

    They were extremely helpful, and sold me a new controller PCB which brought my power supply back to life. They also were happy to share schematics so I could attempt to repair the broken board at my leisure.

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