On Sat, Dec 7, 2013 at 11:59 PM, < pyjamagroove@... > wrote:

 

Thanks. The PSU seems OK, the cmos  drainage too.

I can ´t load factory presets - after switching enabling the back switch for external audio the outside signal is mute ( can ´t monitor it through audio out). It seems like the memory  access is shut. Is there a circuit on some board that I could check for this