Remove an identical, unused transistor, such as U14 and replace U16 to rule out or verify if the driver transistor is defective.
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Remove an identical, unused transistor, such as U14 and replace U16 to rule out or verify if the driver transistor is defective.
Quoted from chuckwurt:So I guess it is possible for the transistor to work halfway and only give me the full power and not the hold?
I’ll swap in one of the unused transistors when I get some free time. Thanks gents and merry Christmas!!
Yes, Field Effect Transistors can fail in such a manner.
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