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Re: [TCML] microbrute DRSSTC
Do you have a breakout point? Or, it could need fine tuning, mess with
the turns on the primary if you haven't done so. There are a few on
Youtube you could look at, including my own.
On 12/27/2012 03:32 PM, w5als wrote:
Hi
I am building a microbrute drsstc by eastern voltage research and
i am have problems
and need some help. I finish it yesterday and was trying to fire it
off and got nothing so by
the book i reverse the polarity through the current transformer that
didn't work.
All the voltages are right check them 3 times the LED's light up, the
over current led come
on when I ramp the PW control up. I took the board out check all
solder joints and check
ever IC twice to make sure it was right. I tested ever diode and they
were good, ever cap.
was check twice, I ever check the controller and wave from twice, i
even compare the wave form
to another controller i have. I even ohm the primary and secondary out
they were good.
Unless the IGBT are open i don't know what else it could be. Also no
blown fuses neither.
I am not the best at this but i did have a radio/TV repair shot for 27
years so this isn't new
to me. I can send detail pictures if someone can compare to there's. I
will thank anyone
for the help
thanks
alton
W5ALS
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