JYE Tech Forum

You can download a schematic from the bottom of the DSO 068 page

Is there a way to check if JYE117 is working correctly? When JP2 shorted and powered by the USP everything works correctly. But when I unshort JP2 and momentary ( with the USB pluged in) if I Press the adjustment switch the oscilloscope only momentarily turns on , The LED on JYE118 blinks brightly a...

Is there a way to adjust the vertical sensitivity? When I perform the 5v Test signal C8 compensation adjustment, I Get a 2.8 graticule deflection, instead of the 2.5 graticule deflection that I should see. I see similar results when I perform the test signal C5 compensation adjustment. I have measur...

Thanks that worked

Hello,
The GND indicator does not point at grounded waveform when I ground the input (set S1 to GND).
Is there a way to reset the indicator?
Any help would be greatly appreciated
Thank you