The Yamaha AN1x Synthesizer mailing list

--- In AN1x-list@yahoogroups.com, "ikeinthepost6" <idelongc@...> 
wrote:
>
> so friday my yamaha an1x worked fine at my buddies house for band
> practice. i bring it home today, power it up and can't get any 
sound
> out of the main outs, and the thing keeps rebooting every six 
seconds,
> faster if i try to play any keys. I plug in a set of headphones to 
the
> hp jack, and get about a half second of sound, between when the 
an1x
> finishes booting up and when it crashes. That half second of sound 
is
> pretty much normal, but as it crashes i get some nasty digital 
bleeps.
> The more I play around, the longer the time between rebooting gets,
> and as of right now i get randomly between 15 secs and a minute or 
two
> . I still get no sound out of the main outs, and there is a loud 
hum
> in the headphone jacks.... the hum is as loud as the signal, which
> makes it almost useless... everything still works the same, as in 
the
> knobs still do there assigned function, patch switching works, 
menus
> work fine....
> 
> i've only had it for three weeks, and at worst have lightly bumped 
it
> once in a while when transporting it to and from band practice. i 
have
> noooo idea whats goign on here so any help would be greatly 
appreciated
>

Few things to try...1st, open the case and inspect the ribbon cable 
connections to the mainboard, something may have come loose. 2nd, 
try a seperate power supply - the AC adapter may have died.  3rd, 
perform a Factory Reset and see if that clears the problem. 

Jon