Vintage Synth Repair

You may need to replace the CR2032 batteries and reinitialize the SY77. A cable or chip could be unseated too.
   Thanks


________________________________
 From: m.sislack <m.sislack@...>
To: vintagesynthrepair@yahoogroups.com 
Sent: Sunday, June 9, 2013 8:27 AM
Subject: [vintagesynthrepair] YAMAHA SY77 freezes
 


  
Hello everybody,

I´m trying to repair an SY77, that when I got it was stuck in untility-mode. It freezes when one of the "mode"-buttons is pressed, so I cannot even enter the test-mode. Furthermore the wheels dont´t have any effect on the sound, but send midi-data. Anyone who experienced an similar problem or could provide any suggestions?

best regards

moe