Casio CZ/ VZ/ FZ - Pro Series

>Thanks for the feedback so far (from the other members too :-).
>I will be able to test the unit thoroughly, the owner agreed on that.
>Not sure he will agree on opening the unit though... but that's part
>of the price negotiation then.
>If I buy it I will try to get the service manual from Mark Glinsky.
>However I'm still not sure if I'll buy it.
>I have the opportunity to buy a CZ-3000 for the same price, in
>perfect condition. But I really want velocity control... Grrrhhh...

The service manual should make it pretty easy to diagnose the problem.  Of 
course it would be more desireable to have the service manual as you're 
inspecting it...