02-05-2020, 03:28 PM
Just what I thought.
Check the diode (supply rectifier) most likely shorted or breaking down. Needs to be suitably rated a IN4007 Will not do I'm afraid. A fast diode is a must. Possible one of the driver transistors or the supply decoupler short.
Check the diode (supply rectifier) most likely shorted or breaking down. Needs to be suitably rated a IN4007 Will not do I'm afraid. A fast diode is a must. Possible one of the driver transistors or the supply decoupler short.






