04-16-2016, 09:27 PM
The older style sm have a resistance around 900 ohms later ones are up to about 1200 ohms. So you should be ok. Do you find any HV at the sm?? Or at both ends of the 4k resistor?? Should have at both places. Methinks that the electrolytics are ok as the HV is good at the output stage. Seems like some thing is open in the HV line going over the IF amp stages.
Terry
Terry