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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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In Reply to: Panasonic Table Radio Problem posted by Andy Traxel on August 13, 2006 at 16:31:08:
Those other posters are pretty unsympathetic to your problem, which can be corrected.If the frequency tracking is relatively close at the bottom of the dial but not at the top, then adjusting the trimmer capacitor that is in parallel with (and possibly mounted to) the section of the variable capacitor for the local oscillator should have a substantial effect. If it is not, then there are two likely possibilities: either the IF stage is not peaked close to 455 kHz; or (more likely) the inductor in the local oscillator is out of adjustment. There's probably a variable inductor you can adjust for that.
Be aware that ferrite core antennas can gradually lose their permeability (i.e., mu) over time. When that happens in radios that use a separate winding on the loopstick as the local oscillator's inductance, the local oscillator's frequency will go up. If that's the problem, there's a simple solution: add more turns of wire.
In what part of the country is your radio? Do you have a schematic?
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Follow Ups
- Re: Panasonic Table Radio Problem - golferskierbiker 22:44:31 08/16/06 (1)
- Re: Panasonic Table Radio Problem - Andy Traxel 06:07:53 08/17/06 (0)
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