[sdiy] Prophet 5 ... Need advice

[dragon.servicing at googlemail.com]

Dear Gil W,
I think that you do need to be careful about static with the earlier 
ic's as I think I did manage to damage an ic when I was working on a 
prophet a couple of years ago, by what could have been a static discharge.
I know that many years ago I was repairing a different  P5 and one of 
the power supply rails had failed.
I had to change a lot of the ic's that were fed from this rail including 
I think the 4016's.
I think that tant capacitors aren't always the most reliable capacitors.
regards Peter
P.S. I think it is a very good idea not to put the cem and ca chips in 
until the rest of the synth is working ok.

 wrote:
> Emberrasing to admit, but I think I don't have the
> ground wired either to the wall outlet nor to the
> synth body... Could the lack of such grounding both 
> defect the tantalum filtering the -15v rail of the
> main board, and defect some parts on the voice board ?
>
> I think might be doing wrong by trying to build a
> power supply unit with no oscilloscope tests....
>
> Does anyone have a pre-built Prophet 5 power supply
> for sale ??
>
>
>