Vintage Simmons Drums (UK) Users Group

Looks like a voltage regulator to me.

The cards only get +/-15V (according to the schematic) but some of the 
digital stuff needs +5V.

Could be merely an 7805.

The schematic doesn't show it though; but it shows the need for +5V.


On 2018-11-23 07:46:27 +0100 tom@... [Simmons_Drums] 
<Simmons_Drums@yahoogroups.com> wrote:

> Hi all,
> 
> 
> I just recently acquired an SDSV cymbal card, but upon inspection, it 
> appears 
> that one of the components on the auxiliary board is missing. I 
> uploaded a 
> pic of a hihat card with the part that is missing on the cymbal card 
> circled 
> in red. It is at https://i.imgur.com/iQyGBXY.jpg 
> https://i.imgur.com/iQyGBXY.jpg. I am guessing this is a transistor 
> of some 
> sort, but I am not sure. Would someone here know more about this 
> part, and 
> where I might acquire one. Better yet, would any of the gurus on this 
> list be 
> able to make the necessary repairs for a fee? 
> 
> Thanks,
> 
> 
> Thomas