Garyt Posted March 5, 2016 Share Posted March 5, 2016 Hi. I have the PX750. Was doing OK until one day kids might have messed with it. It turns on fine, lights initialise but then i realise the power lamp is not lighted. I also get no sound. I've tried function / local sound etc but get nothing. I can't seem to enable operation tone either. One thing for sure, operation lock works (func+last key) Off and on it seems to be OK when I mess around enough with function+X but after I disconnect mains and try to turn it on again, I get this non operative mode. Can anyone tell me what's going on pls. Must be some midi/usb/local setting.... Thanks Quote Link to comment Share on other sites More sharing options...
Joe Muscara Posted March 5, 2016 Share Posted March 5, 2016 I bet something like Local control is off. I would try toggling that and then play with whether back up mode is saved or not, both of which are on page 24 of the manual. http://support.casio.com/pdf/008/Web_PX750-E-1A.pdf Quote Link to comment Share on other sites More sharing options...
Garyt Posted March 5, 2016 Author Share Posted March 5, 2016 Joe, thanks for the reply. I've been trying many different combinations of function + local / backup / usb / etc to no avail. I did mange to get it working twice 2weeks back but then it reverted back to this odd state when the mains were disconnected. Quote Link to comment Share on other sites More sharing options...
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