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Another Car Radio Problem
#5

That drift sounds like an oscillator/mixer problem, bad IF micas usually cause volume drops not station drift. Check the resistors in the oscillator/mixer tube circuitry, one of them might be drifting when power is applied. I had a Northern Electric model 5001 AC/DC set where half the broadcast band would disappear, it drove me crazy for months until an old TV man pointed me in that direction, it was a 30 something Kilohm resistor. Sometimes a bad condenser will broil a resistor enough to damage it but not burn it up, it's something that many people overlook while replacing the old condensers, I would suspect a resistor going bad before a mica condenser.
Best Regards
Arran


Messages In This Thread
Another Car Radio Problem - by Retro Ron - 08-12-2009, 09:42 PM
Re: Another Car Radio Problem - by exray - 08-13-2009, 06:37 AM
Re: Another Car Radio Problem - by Retro Ron - 08-15-2009, 09:33 PM
Re: Another Car Radio Problem - by Texasrocker - 08-15-2009, 11:04 PM
Re: Another Car Radio Problem - by Arran - 08-17-2009, 05:44 PM
Re: Another Car Radio Problem - by Retro Ron - 08-24-2009, 01:06 AM
Re: Another Car Radio Problem - by kruc - 08-24-2009, 03:37 AM
Re: Another Car Radio Problem - by BILL - 08-24-2009, 11:42 AM
Re: Another Car Radio Problem - by Retro Ron - 08-30-2009, 05:41 PM
Re: Another Car Radio Problem - by kruc - 08-31-2009, 02:41 AM



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