Help to repair oscilloscope Philips PM3207 (Algemeen)

door Maurice , Dordrecht, 02-11-2020, 21:02 (1274 dagen geleden) @ edison

It's verry hard to tell if there are short windings primair.

As I said check with a lichtbulb is series.
Also dubble check that feed back resistor 801 10 MHm and Focus network.
If that fails the opamp wil not flip and Transistor will be conducting.