12-16-2021, 06:08 PM
Seems that a 150 ohm resistor was added in series with the 250 pF cap connected to pin 6 of the 6J8. Appears to be an undocumented production change as it does not appear on the schematic.
Philco 40-180 - Resistor Burnout
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Philco 40-180 - Resistor Burnout - by wtoeller - 12-15-2021, 06:54 PM
RE: Philco 40-180 - Resistor Burnout - by Mondial - 12-15-2021, 09:43 PM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 12:53 AM
RE: Philco 40-180 - Resistor Burnout - by John Bartley - 12-16-2021, 09:19 AM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 10:02 AM
RE: Philco 40-180 - Resistor Burnout - by Mondial - 12-16-2021, 10:25 AM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 11:20 AM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 11:30 AM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 01:50 PM
RE: Philco 40-180 - Resistor Burnout - by RodB - 12-16-2021, 02:42 PM
RE: Philco 40-180 - Resistor Burnout - by Mondial - 12-16-2021, 06:08 PM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 06:13 PM
RE: Philco 40-180 - Resistor Burnout - by Mondial - 12-16-2021, 06:20 PM
RE: Philco 40-180 - Resistor Burnout - by wtoeller - 12-16-2021, 06:27 PM
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