Discussion about the Korg PolySix synthesizer

Am 02.09.2015 um 17:48 schrieb Eoin O'Callaghan cliofreak@yahoo.com 
[PolySix]:
> That big thick ground trace is showing continuity. I think its fine. I 
> could be wrong but its showing continuity from main ground right to 
> ground on a chip at bottom of this board.
Showing continuity and working satisfying as ground that can catchup 
noise signals are two different things. This ground line MUST be as wide 
as at the other places. I really recommend to clean it with a fiber 
glass brush, and then resolder it over the total length.