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Well got a few more things to look at like the b+ I'm thinking maybe it's to high causing problems somewhere I just don't know. I have read 100 volts, 109 volts, but mine is up there over 125 volts being the line voltage is higher now then it was in 1948 although the pilot says 117- 120 volts but sometimes 122- 123 is the norm now. There is a 33 ohm resistor just after the ac plug that measures 28 ohms so I think I'm going to try a 50 ohm and see if anything improves. I read threads where some pilots were only giving 90 volts and they worked and then placing a diode across the positive tube to raise the b+ to Alittle over a 100 volts. The other day the b+ was 135 volts depending what comes down the line wire. I don't know if excessive voltage could do what this set is doing but it's worth a try. These sets are not bright to begin with but it would be nice to have a full screen. I got rid of the speaker field coil and replaced it with a 150 ohm resistor thinking as another member mentioned that it may be causing emf interference at the crt because the speaker is new but I thought I needed the coil and it was setting on top of the chassis so it's gone now.
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