Re: Any electronic experts?

[Marc Fuller <groups@xxxxxxxxxxxxxxxxxx>]

OK, problem solved.

Finally tracked the problem down to a knackered phono socket. When I
bought the second kit I used the same housing with the same phono
socket.. Doh !!

Lesson learned: Don't always suspect the electronics.. check all
components :D

Thanks guys

Marc

Jon Whiten wrote:
>
>
> Assuming all eles OK, my guess is that your laptop is not pumping out
enough
> volume - the kit needs between 2 and 60W input. At the risk of killing
the
> Opto, you could try shorting R2 with P1 set to minimum and Laptop to
minimum
> and try adjusting until it works?
>
> HTH
>
> Jon
>
> On 09/09/2008, Marc Fuller <groups@xxxxxxx
> <mailto:groups%40serenitymeadow.com>>
wrote:
>  >
>  > Silly question knowing the people on this list :D
>  >
>  > Anyways, I am having some problems that are driving me mad and
I'm
>  > looking for help from the group. As some of you may know I am
trying to
>  > build a lighting generator. So I bought this kit from Quasar.
>  >
>  > http://www.quasarelectronics.com/1006.htm
> <http://www.quasarelectronics.com/1006.htm>
>  >
>  > Now it's a simple kit. Very simple. Only 5 components. As usual
though
>  > the instructions are useless.
>  >
>  > http://www.quasarelectronics.com/kit-files/smart-kit/1006.pdf
> <http://www.quasarelectronics.com/kit-files/smart-kit/1006.pdf>
>  >
>  > So I bought a kit and built it as per the instructions. The
build went
>  > well and I was happy. Except it doesn't work. Thinking I may
have
>  > applied too much heat to the IC, I bought another kit and tried
again,
>  > this time using an IC socket to stop possible damage. This one
was built
>  > even better and I was well pleased... except this one doesn't
work
>  > either. I can only assume I am missing something here. I really
don't
>  > know what the hell is going wrong with it. I've built things far
more
>  > complicated than this that involved hundreds of components, but
here is
>  > this little kit.. driving me mad.
>  >
>  > I have connected Positive mains to pin 6, negative mains to pin
5. Pin 3
>  > is connected to Negative to the lamp and pin 4 to Positive to
the lamp.
>  > I connected pin 1 to the sound input positive and pin 2 to input
>  > negative (tried this both ways btw). The input is from my laptop
playing
>  > a sound file. When I connect a speaker across pin 1 and 2 I get
sound ok.
>  >
>  > For all I can see this should be working, but it's not. What the
hell am
>  > I missing? I am sure all my joints are OK and there are no
shorts across
>  > any contacts.
>  >
>  > I know it's hard to diagnose like this but Quasar are no help at
all and
>  > I'm at a loss. I would also be happy to pay someone to take a
look at
>  > it!?!?
>  >
>  > Any help appreciated.
>  >
>  > Marc
>  >
>  >
>
> [Non-text portions of this message have been removed]
>
>


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