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FERNSEH · 22nd Sep 2015, 5:11 pm

Both timebase oscillators are now functioning. The frame oscillator delivers between 5 to 30 volts of sawtooth drive to the grid of the PCL83 output valve. First picture
The negative going drive to the line output valve is 150 volts P-P.

DFWB.

22nd Sep 2015, 5:11 pm	#21
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Re: Ferguson 247T: huge console TV set. Both timebase oscillators are now functioning. The frame oscillator delivers between 5 to 30 volts of sawtooth drive to the grid of the PCL83 output valve. First picture The negative going drive to the line output valve is 150 volts P-P. DFWB. Attached Thumbnails