No pitch-change, Damaged IC23?!

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Jinx
 
Posts: 9
Joined: Wed Jul 18, 2012 9:05 pm

No pitch-change, Damaged IC23?!

Post by Jinx »

Oh no! While i was adjusting the trimpots I must have damaged something. But i don't really know what happened.
Now my X0xb0x only wants to play the same note over and over again. I am afraid I damaged the op-amp AN6562 in IC23. :cry:
Do you think this could be the problem or did I mess something else up?
some help would be much appreciated!!

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mmm
 
Posts: 517
Joined: Tue Apr 24, 2012 1:51 am

Re: No pitch-change, Damaged IC23?!

Post by mmm »

IC23 is on the IOboard. It's comparatively unlikely that the xoxbox would actually "play" notes of that one was dead.

If you have a multimeter you may want to check the voltages on J4; if those are ok then check the voltage on IC11 pin7 when playing notes.

Jinx
 
Posts: 9
Joined: Wed Jul 18, 2012 9:05 pm

Re: No pitch-change, Damaged IC23?!

Post by Jinx »

ok, I don't know what happened, but now different notes are playing. although I can't get the 5.333 back, now its about 6. what's that all about? Everything was fine yesterday....

Jinx
 
Posts: 9
Joined: Wed Jul 18, 2012 9:05 pm

Re: No pitch-change, Damaged IC23?!

Post by Jinx »

random notes in keyboard mode while playing C to C....

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