From: <michael.buchner@...>
To: <Simmons_Drums@yahoogroups.com>
Sent: Thursday, October 13, 2005 9:02 PM
Subject: [Simmons Drums] Re: SDSV Repair.
> Hi,
> my Name is Michael and I live in Germany. I may not be a reputable Service
> Person, but I know the SDSV by Heart (I built one on my own 20 Years ago
> because I couln't afford an Original, but today I have it, with all
> available Modules), so I can give your Repairshop all necessary
> Information. I have drawn a basic Signal Flow Schematics 20 Years ago, you
> can download this at www.simmonsmuseum.com. You have a Problem with these
> Preset-Switches, am I right? So I have to know: What is the Problem with
> the Buttons? Are the Buttons themselves worn out (You have to press hard
> or many Times to change the Presets) and you need only Spare-Parts (Only
> one LED should be lit on the Module Front if you push a Button)? Or is the
> LOGIC behind these Buttons the Problem (maybe one, two or no LED is lit,
> others gleaming, or you push Button for Preset 1 and the LEDs of Preset
> f.e. 4 and 2 are lit together)? Then you have to change IC2 in most Cases
> (4556) or IC 1 (4013). Both very cheap.
> M. Buchner
>
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>