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Philco 19 Code 128
#13

Question for anyone (reference tube socket voltage chart above)

2nd Det. (75) Plate Volts-P to K is 250 instead of 150

Output (42) Control Grid Volts-CG to K is 15 instead of 2.2

I've replaces all the Caps, most Resistors, and wonder what would make the CG so high on the 2nd Det.? and in turn, I suppose, the Plate voltage 100 v low on the output?


Messages In This Thread
Philco 19 Code 128 - by Simon Wa3uay - 12-31-2019, 02:51 PM
RE: Philco 19 Code 128 - by Radioroslyn - 12-31-2019, 03:19 PM
RE: Philco 19 Code 128 - by Steve Davis - 12-31-2019, 05:54 PM
RE: Philco 19 Code 128 - by Forrest - 12-31-2019, 07:15 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 01-02-2020, 12:47 PM
RE: Philco 19 Code 128 - by Steve Davis - 01-02-2020, 01:31 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 01-21-2020, 12:27 PM
RE: Philco 19 Code 128 - by Forrest - 01-21-2020, 01:19 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 01-21-2020, 04:24 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 02-16-2020, 02:33 PM
RE: Philco 19 Code 128 - by Radioroslyn - 02-16-2020, 02:56 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 02-18-2020, 12:32 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 03-05-2020, 10:39 AM
RE: Philco 19 Code 128 - by Radioroslyn - 03-05-2020, 03:29 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 03-05-2020, 04:02 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 03-17-2020, 02:41 PM
RE: Philco 19 Code 128 - by Radioroslyn - 03-17-2020, 04:41 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 03-17-2020, 06:57 PM
RE: Philco 19 Code 128 - by Radioroslyn - 03-17-2020, 07:10 PM
RE: Philco 19 Code 128 - by Simon Wa3uay - 03-29-2020, 09:14 AM
RE: Philco 19 Code 128 - by Radioroslyn - 03-29-2020, 09:40 AM
RE: Philco 19 Code 128 - by Simon Wa3uay - 04-13-2020, 12:27 PM



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