Yamaha DGX630 - Digital Piano "dgx620 display" Questions

...display on our yamaha DGX620 has disappeared: it lights up but there is nothing showing on it. Have tried adjusting the contrast button with no success. Any ideas please? Gill I would open the unit ...

DGX620 Have lost half my screen If the backlight is on and just half of the display data is there, it is probable the conductive strip has come away from the display or the contact portion of the ...

...DGX620. In my case the display sometimes got blue and sometimes worked fine. The cause was a bad contact of the display flat cable. I opened the DGX620 and then I cut a small piece of plastic film ...