Help to repair oscilloscope Philips PM3207 (Algemeen)

door Maurice , Dordrecht, 02-11-2020, 11:10 (1274 dagen geleden) @ Onno-I

I also been looking at it.

Put a 24V lichtbulb between Bc337 and T801, so the current is limited at 0,8A
the max current BC337.

Take R811 out at 1 side.

Than LM741 flip arround V1 to drive BC337.
Think cut that 10M resistor and put an external oscilator at V2
See what hapens