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Philco 118 alignment issue
#25

It bothers me because originally the tracking was pretty much dead on for the AM band. Now the SW band was initially off as I tuned lower, but oddly enough after the problem with the AM band being off happened, the SW band was pretty much dead on before I removed and re-installed the LO coil. Have not checked it after reinstalling the LO coil as I couldn't get a peak at 1500KHz.

The end plates do have slots cut into them. I am reluctant to adjust them as the radio at one point did track correctly with things as they are and as I recall the high end AM band oscillator trimmer did not have to be anywhere near all the way out to achieve that.

I know something has changed, but I have no clue what it could be.

This happened shortly after re-installing the shadow meter. The initial alignment was correct far as I can remember, but then I noticed to receive 1000KHz I had to have the radio set at around 1010KHz which is also when I found the rest of the dial is off other than those frequencies I mentioned which are exactly correct to the dial reading.

I remember one time before re-installing the shadow meter after the initial alignment doing a check using a digital frequency display and very small value capacitor so as not to pull the oscillator which I confirmed by no drop in the AGC voltage at 1500KHz and at each number on the AM band the display showed the correct frequency maybe +/- 2KHz.


Messages In This Thread
Philco 118 alignment issue - by Tube Radio - 03-31-2016, 05:23 PM
RE: Philco 118 alignment issue - by KCMike - 03-31-2016, 06:58 PM
RE: Philco 118 alignment issue - by Tube Radio - 03-31-2016, 08:16 PM
RE: Philco 118 alignment issue - by Mondial - 03-31-2016, 08:30 PM
RE: Philco 118 alignment issue - by Tube Radio - 03-31-2016, 08:56 PM
RE: Philco 118 alignment issue - by Mondial - 03-31-2016, 11:02 PM
RE: Philco 118 alignment issue - by Tube Radio - 03-31-2016, 11:20 PM
RE: Philco 118 alignment issue - by Arran - 04-01-2016, 12:05 AM
RE: Philco 118 alignment issue - by Tube Radio - 04-01-2016, 12:54 AM
RE: Philco 118 alignment issue - by Mondial - 04-01-2016, 12:11 PM
RE: Philco 118 alignment issue - by Tube Radio - 04-01-2016, 12:57 PM
RE: Philco 118 alignment issue - by Mondial - 04-01-2016, 01:27 PM
RE: Philco 118 alignment issue - by gregb - 04-01-2016, 08:02 PM
RE: Philco 118 alignment issue - by Tube Radio - 04-02-2016, 01:57 AM
RE: Philco 118 alignment issue - by Tube Radio - 04-02-2016, 07:33 PM
RE: Philco 118 alignment issue - by Tube Radio - 05-31-2016, 04:35 PM
RE: Philco 118 alignment issue - by morzh - 05-31-2016, 07:19 PM
RE: Philco 118 alignment issue - by Tube Radio - 05-31-2016, 08:18 PM
RE: Philco 118 alignment issue - by Tube Radio - 06-02-2016, 02:56 PM
RE: Philco 118 alignment issue - by morzh - 06-02-2016, 05:24 PM
RE: Philco 118 alignment issue - by Tube Radio - 06-02-2016, 06:49 PM
RE: Philco 118 alignment issue - by Ron Ramirez - 06-09-2016, 09:38 PM
RE: Philco 118 alignment issue - by Tube Radio - 06-22-2016, 02:10 PM
RE: Philco 118 alignment issue - by Tube Radio - 09-21-2016, 07:53 AM
RE: Philco 118 alignment issue - by morzh - 09-21-2016, 07:55 AM
Philco 118 question - by Tube Radio - 06-09-2016, 10:56 AM
RE: Philco 118 question - by morzh - 06-09-2016, 11:26 AM
RE: Philco 118 question - by Radioroslyn - 06-09-2016, 12:07 PM
RE: Philco 118 question - by Tube Radio - 06-09-2016, 12:39 PM
RE: Philco 118 question - by morzh - 06-09-2016, 01:26 PM
RE: Philco 118 question - by Tube Radio - 06-09-2016, 01:59 PM
RE: Philco 118 question - by morzh - 06-09-2016, 02:37 PM
RE: Philco 118 question - by Tube Radio - 06-09-2016, 03:27 PM
RE: Philco 118 question - by morzh - 06-09-2016, 03:32 PM
RE: Philco 118 question - by Ron Ramirez - 06-09-2016, 06:12 PM
RE: Philco 118 question - by Tube Radio - 06-09-2016, 06:46 PM
RE: Philco 118 question - by morzh - 06-09-2016, 07:27 PM
RE: Philco 118 question - by Tube Radio - 06-09-2016, 07:32 PM
RE: Philco 118 question - by Ron Ramirez - 06-09-2016, 07:34 PM
RE: Philco 118 alignment issue - by Tube Radio - 06-09-2016, 10:06 PM



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