Vintage Simmons Drums (UK) Users Group

perhaps the voltage falls too 5V when the rest is connected???

but if you find the schematics, please let me know cause I've a controller
but not the soundmodule


BERK!


>-- Oorspronkelijk bericht --
>To: Simmons_Drums@yahoogroups.com
>From: "bty293472" <p.e.booker@...>
>Date: Fri, 13 Oct 2006 13:06:20 -0000
>Subject: [Simmons Drums] Silicon Mallet
>Reply-To: Simmons_Drums@yahoogroups.com
>
>
>Hi,
>I'm keen to learn where I may find circuit diagrams for this, because I

>have a problem with my power supply board I don't understand.
>It has three +5v regulators, one +12v, one -12v, and one -5v. The 
>instrument used to lock up after about 20 minutes, suggesting a thermal

>problem. Then the audio output failed, but I was still able to play it 
>as a controller for another MIDI tone generator. I found one of the +5v

>was putting out +6.2v, and the -5v was putting out -6.2v (this without 
>any load plugged into the board), so I changed them both, with no 
>change, so now I'm stumped.
>Maybe one of you recogize the layout from another product?
>Many thanks
>Paul
>
>


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