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power source (tuscon, az) 50 amp converter

  Posted by ken westin on Saturday, June 4 2016

I have a power source converter from a 95 airstream motorhome which suddenly failed to output 12 volts. I have opened it up (drilled out pop rivets) and have done some testing of the 4 ckt boards. The input board and main board are developing 170 volts dc. It is fed to 3 other boards which are failing to produce 12 volts dc output. I am assuming there must be some sort of oscillator circuitry which allows the high dc voltage to be stepped down via the transformers on each board to produce 0 the 12 volt dc output. It is my guess that this oscillator is not working. There is no evidence of any overheating or burning of any components. Any ideas? Do the MOSFETS fail? Would they all fail at once? Do you repair this kind of converter? What would turn around time be? Would you recommend a replacement?

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  Posted by chalermpon on Wednesday, March 5 2008

todd engineering 55 power supply

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Todd Engineering Sales todd engineering 55 power supply
power source (tuscon, az) 50 amp converter

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