Philco 40-190 resistor

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Philco 40-190 resistor

Mondial
Phorum Expert

Posts: 1,114
Threads: 14
Joined: Feb 2013
City: Irvington, NY

#23

12-18-2013, 12:03 AM

What makes you suspect the output transformer?

Do you have B+ voltage on the plates and screen grids of the 41 output tubes? If you have around 180 V on the screens but nothing on the plates, then the transformer is open. If you have the 180V on neither or on both, then the transformer is not the problem and you will have to look elsewhere.

Do all the other tubes have B+ on them? If not, then the speaker field might be open.

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Messages In This Thread

Philco 40-190 resistor - by murf - 12-07-2013, 03:49 PM

RE: Philco 40-190 resistor - by Warren - 12-07-2013, 11:34 PM

RE: Philco 40-190 resistor - by murf - 12-08-2013, 12:28 AM

RE: Philco 40-190 resistor - by DeckApe - 12-08-2013, 10:08 AM

RE: Philco 40-190 resistor - by DeckApe - 12-08-2013, 11:47 AM

RE: Philco 40-190 resistor - by Mondial - 12-08-2013, 12:01 PM

RE: Philco 40-190 resistor - by murf - 12-08-2013, 01:03 PM

RE: Philco 40-190 resistor - by DeckApe - 12-08-2013, 04:13 PM

RE: Philco 40-190 resistor - by murf - 12-08-2013, 04:32 PM

RE: Philco 40-190 resistor - by DeckApe - 12-08-2013, 04:52 PM

RE: Philco 40-190 resistor - by murf - 12-08-2013, 05:12 PM

RE: Philco 40-190 resistor - by 37silverstreak - 12-08-2013, 06:52 PM

RE: Philco 40-190 resistor - by murf - 12-08-2013, 09:19 PM

RE: Philco 40-190 resistor - by Mondial - 12-08-2013, 09:33 PM

RE: Philco 40-190 resistor - by BrendaAnnD - 12-08-2013, 11:02 PM

RE: Philco 40-190 resistor - by BrendaAnnD - 12-08-2013, 11:03 PM

RE: Philco 40-190 resistor - by murf - 12-09-2013, 06:38 PM

RE: Philco 40-190 resistor - by 37silverstreak - 12-09-2013, 08:24 PM

RE: Philco 40-190 resistor - by DeckApe - 12-09-2013, 09:13 PM

RE: Philco 40-190 resistor - by murf - 12-09-2013, 09:38 PM

RE: Philco 40-190 resistor - by 37silverstreak - 12-09-2013, 11:26 PM

RE: Philco 40-190 resistor - by murf - 12-17-2013, 11:35 PM

RE: Philco 40-190 resistor - by Mondial - 12-18-2013, 12:03 AM

RE: Philco 40-190 resistor - by murf - 12-18-2013, 07:55 AM

RE: Philco 40-190 resistor - by murf - 12-21-2013, 05:48 PM

RE: Philco 40-190 resistor - by morzh - 12-21-2013, 07:58 PM

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