Update, February 1, 2019, Day 185
Next! The high voltage cage. I have received the matched pair of 6BG6 JAN (joint army navy) mil spec tubes for the horizontal output stage of the sweep circuit. I still need to find a nice pair of 6AU4 damper tubes to compliment the output tubes but the damper tubes are not as critical as the outputs as far as “matched pairs” go. The focus rectifier tube will be replaced with a solid state selenium type such as what was used in the CTC15 RCA sets. I have purchased a matched set of qty 3 (1B3) rectifier tubes to replace the High Voltage rectifier/tripler set. I will be replacing the capacitors in the high voltage cage and I will be replacing the resistors with modern type film resistors as well. After these restoration procedures I will be ready to start powering up the chassis with the sweep circuits disabled in order to test the individual circuits. I will use an oscilloscope for that process. The signal source will be either antenna TV signals or crosshatch signals from a color generator.
Cheers, Mike.
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