Vintage Synth Repair

In my experience you need to replace the relay not just clean it...

--- In vintagesynthrepair@yahoogroups.com, "atuzzi" <antoniotuzzi@...>
wrote:
>
> Hi,
> 
> I have a MKS20 that was not used for about 1 year. 2 days ago a turned
> back on and now the sound is very distorted, from the main and phone
> output.
> 
> If I maintain a steady notes I can hear some loop of something (of
> about 2 secs) (but maybe is common in the RD1000 architecture and now
> picking I'm missing it)
> 
> I can here also an echo kind of slapped one (very faint). I have non
> chorus or vibrato active and there is no delay on the mixer.
> 
> I tried to clean the RL1 (the only relay on the effect board) as
> suggested on the board (thanks Bob) but there is no good result.
> 
> Do you have any idea ? Any troubleshot procedure?
> 
> where I can find the pdf for the Service manual ?
> 
> thank you
> Antonio
>