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?
. Power is OK to. Just no pulse.
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?
. Power is OK to. Just no pulse.
