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TL494 based power inverter

Discussion in 'Troubleshooting and Repair' started by Slimy, Jan 8, 2014.

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  1. Slimy


    Jan 8, 2014
    I have china's car power inverter.
    It have couple TL494 IC. One works just fine( make 50Hz), but IC to transformer don't.
    I've tried change IC on a new one, have no effect. No pulse on oscillator (pin 5). Oscillator usual RC from official manual. Any ideas? :confused:. Power is OK to. Just no pulse.
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