Vintage Synth Repair

Mostly they loose their switching supply, often one of the caps(loop back) go down in value, causing the dirty or no DC voltages.

Yamaha is having a service clinic during NAMM, anyone in this group attending?  





>________________________________
> From: Jim Blair <ceratos@...>
>To: vintagesynthrepair@yahoogroups.com 
>Sent: Thursday, December 13, 2012 4:11 PM
>Subject: [vintagesynthrepair] Any DX7 gurus in the house?
> 
>
>  
>I have a sick DX7S, and am trying to bring it back to life. If 
>there's some DX guys hanging around, I'll post the details.
>
>Thanks!
>
>Jim
>
>
> 
>
>