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Rookie Question - Radio Alignment
#3

8) That's neat. The radio is a PT-28, a neat little 5-tube radio. I did adjust the IF transformer slugs ( I assume that's the two little screws inside the metal housing looking down from the top). I noticed that the station at the low frequency (which is weak even under good conditions) did get louder. Then I adjusted one of the screws on the tuning condenser (again, assuming you are talking about the two screws side by side atop the tuning blades). The station got a little louder. But I am missing one of the tuning screws. I tried using one from another Philco radio I am working on, but it did not seem to fit. It was too tight and I stopped trying before I damaged something. When I tuned the radio to a better station, it came in pretty loud, but the voices sound garbled and there seemed to be a lot of vibration in the speaker.

Any more suggestions about the alignment (missing screw) and possible symptoms of garbled reception? The caps have all been replaced and I think the tubes are OK. I did not change any resistors.

Thanks again.

Karl


Messages In This Thread
Rookie Question - Radio Alignment - by kstesney - 07-20-2006, 08:06 AM
[No subject] - by Bill Hutchinson - 07-20-2006, 04:43 PM
[No subject] - by kstesney - 07-20-2006, 07:58 PM
[No subject] - by Bill Hutchinson - 07-20-2006, 10:12 PM
Better... but still have a way to go - by kstesney - 07-24-2006, 02:19 PM
[No subject] - by Chuck Schwark - 07-24-2006, 02:45 PM
Eureka! - by kstesney - 08-06-2006, 12:45 PM
[No subject] - by Chuck Schwark - 08-06-2006, 09:30 PM



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