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Re: [TCML] microbrute DRSSTC
As far as I know there is only one individual working at eastern voltage research, and if they are on holiday that would explain the lack of response. Give it until after new years, I would anticipate a response in the first week of January or so. :)
John "Jay" Howson IV
Sent from a tiny phone with a tiny keyboard.
----- Reply message -----
From: "W5als" <w5als@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Subject: [TCML] microbrute DRSSTC
Date: Fri, Dec 28, 2012 11:44 pm
Hi Tom
I have email them 4 times in 5 days with no reply, they have no phone
number to call. I guess they are close till after New Years. The IGBT's are
good. I think U4 or U5 is bad.
Alton
Sent from my iPad
On Dec 28, 2012, at 10:05 PM, CanalRay@xxxxxxx wrote:
> Alton: Sounds like you went over the coil with a fine tooth comb. Check the
> output devices. You might call someone in the tech department at Eastern
> Voltage Research and ask if there are any quirks in the circuit during
> start-up or anything else that comes to mind. Good luck.
>
> Tom
>
>
> In a message dated 12/28/2012 10:34:22 P.M. Eastern Standard Time,
> w5als@xxxxxxxxx writes:
>
> 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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