Casio CZ/ VZ/ FZ - Pro Series

This seems a strange problem, I'm presuming that when your RA5 /RA3 memory card fell out you had the synth plugged in and powered up? 
 
I know that the manual says that the cartridges should be replaced only when the unit is off .
 
At this moment all I can suggest is that you find a sharp object to insert into the P button hole and while pressing it turn on the 101. To make sure that the P reset button actually connects it might be an idea to remove the back of the synth as some of the reset buttons don't actually connect as well as they should, this way you can be sure that you have at least  tried .
I would also suggest that you put new a new Cr2016 battery in your cartridge as they retain memory while they are in the synth from the power supply even when the battery is flat. 
Put the cartridge with new battery in and then try the reset procedure.
 
According to the cz5000 manual disconnecting the memory cart while the power is on can affect the Ram , however it shouldn't affect the overall operations of the synth as the internal operating system is Rom.
This leads me to believe that there may be something else wrong with the internal gubbins of your synth.
If you remove the back of the synth have a look at the solder connections around the cart port and check that there are no dry joints
(points where the solder has cracked and stopped connection of the components to the circuit) or that the actual board itself has not cracked, it maybe that there has been a problem on the board possibly due to a trauma or vibration that  has been lying dormant until the cart came loose. 
If you spot any suspect looking solder joints re-solder them all , just applying  a soldering iron to the spot for a few seconds is usually enough to cure the problem but if it needs a spot of solder then do that .
 
check all of the board  and especially around the adaptor socket. Adaptor sockets are notorious for getting dry joints and stopping gear from working . To check for a dry joint here insert the adaptor plug in to the socket and gently wiggle it while looking to see if the solder tags raise away from the board or any cracks appear in the solder, sometimes dry joints are so fine they are difficult to see so its a good idea to apply some fresh solder anyway.
Another thing to try is another adaptor , especially if the one you are using is not a casio. the sizes of casio adaptors are slightly different from standard ones and if I use another adapter instead of the casio one then my 101 often won't power up until I give it a wiggle and ten it often switches off again. Make sure that the APO switch is set to OFF!
 
Try these out and let me know how you get on. If you have no look then I'll have another fink!
 
Good luck with your baby!!
 
Best wishes 
 
Dael


		
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