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Re: [TCML] microbrute DRSSTC



Hi
     Yes I have a break point yes I mess with the primary too. Still no out put
at all, the 5 amp fuse side does not pull any current at all, it should pull at 
lease 3 1/2 amps.
Thanks
Alton

Sent from my iPad

On Dec 28, 2012, at 2:31 PM, Mark <the_iconoclast@xxxxxxxxxxxxxx> wrote:

> 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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> 
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