Casio CZ/ VZ/ FZ - Pro Series

>Purple, should be some kind of green/blueish, I guess someone changed
>backlight, maybe this wasn't done that properly, opening and
>repositioning the LCD part on the contacts might help a bit...

This should be done very carefully or not at all, I heard Rainer Buchty 
ruined his FZ-1 by messing around with the display- One of the very thin 
ribbon cables to the LCD ripped and there's really nothing that can be done 
to fix that..

>>it's also making this real whiny noise

>The display I guess, not the output?

Could be the backlight inverter... might be worth unplugging the inverter 
power supply.  But I guess an easier way to check would be to find the pitch 
of the sound- if the inverter is making a sound it should be 400Hz.

>The VZ-1 has a little MIDI on and off switch on the back side of the
>synth, I guess the VZ-10M is having one as well. Also initialising
>the Synth might help, if I remember right it's pressing the
>initialise button while turning the synth on and pressing Yes
>afterwards should do it...

I don't think there's a MIDI switch on the VZ-10M but I haven't looked back 
there in a long time...

Initializing it is definately a good idea- first thing you should try 
because it's easy

The VZ-1 service manual is here: 
http://www.steveandsally.freeserve.co.uk/casio/documentation/service_manual/

Should be more or less the same guts as the VZ-10M, maybe different board 
layouts, etc. though.

I'm not going to open up my 10M to see what can be messed around but it 
wouldn't be a bad idea to make sure all the relevant ribbon cables are 
secure and not half-unplugged.

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