02-11-2015, 06:34 PM
Hey Guy's
I have a Philco 41-220 that I'm having a problem with the alignment.
Here is the link http://www.nostalgiaair.org/PagesByModel...013395.pdf
Here is a some info I came across which pretty accurately describes what I'm hearing
http://www.antiqueradios.com/forums/view...6&t=213839
I have tested the tubes the only problem is the 35A5 is replaced with a 50A5 could this be a problem?
Is there a way to find if there was a change in this radio concerning the IF can's? I ask that in #26 the 2nd IF should only have one trimmer and I have two? I also checked the Resistance of the coils and they are 25 & 26 ohms and the print shows 60 & 8 ohms??
When doing step one where it calls for hooking the signal gen "ant section of tuning section" are they referring to 5B?
Should I put a .05 cap in series with the signal lead? Should I disconnect the external antenna in this first step? I don't seem to pickup a tone at 455.
the other steps I get a tone at 1600 and 1500.
Thanks Eric
I have a Philco 41-220 that I'm having a problem with the alignment.
Here is the link http://www.nostalgiaair.org/PagesByModel...013395.pdf
Here is a some info I came across which pretty accurately describes what I'm hearing
http://www.antiqueradios.com/forums/view...6&t=213839
I have tested the tubes the only problem is the 35A5 is replaced with a 50A5 could this be a problem?
Is there a way to find if there was a change in this radio concerning the IF can's? I ask that in #26 the 2nd IF should only have one trimmer and I have two? I also checked the Resistance of the coils and they are 25 & 26 ohms and the print shows 60 & 8 ohms??
When doing step one where it calls for hooking the signal gen "ant section of tuning section" are they referring to 5B?
Should I put a .05 cap in series with the signal lead? Should I disconnect the external antenna in this first step? I don't seem to pickup a tone at 455.
the other steps I get a tone at 1600 and 1500.
Thanks Eric