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TL494 based power inverter

Slimy

Jan 8, 2014
1
Joined
Jan 8, 2014
Messages
1
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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