Originally Posted by
eboy
thanks for reply, by a bit crasy i mean it starts to flyback and jump around and not blank the beam but only in top corner of the display , max x and max y values everywhere else is fine. thats why i measured the voltage s. im measuring them at the fb3 with no load, i only have a dmm no scope unfortunately. its like maybe something is overloading in the scanner and i wanted to check the input was ok.
Try swapping the input on the X and Y to see if the issue moves along to the other scanner. If so, it might be an issue with the FB.
From your description, I lean towards an issue that triggers the polyswitch.
Espen
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