I sure wish I hadn't had to sell mine!! Ronnie
On Wed, 26 Sep 2007 08:50:17 -0500, Jim Wilhite wrote > Van this is a problem with the 183D. I suspect the heat generated > in the closed cabinet has an effect on the inductance of the coils. > They are made of what looks like cardboard dipped in varnish and I > had a couple of the IF transformers that were warped to actually > bind the slugs enough that when I tried to move them the screw > pulled out of the core. > > If the inductance of the oscillator coils has changed then it is a > real problem. Do be sure the trimmer caps are on the correct side > of the curve as Larry mentions. It is difficult, but as you tune > through the peak, on one side the increase will be a bit slower than > the other side of the peak. It will rise slowly then fall rapidly > or the reverse. You want on the slow side and not past it. > > I managed to get mine fairly close by cleaning the contacts of the > tuning capacitor and on a couple of the oscillator coils the wire is > at very maximum inductance, but the dial is close. Good luck and > have fun. Great receiver when is works properly. > > 73 > > Jim/W5JO > > > Hi, > > > > I found on a National RX one time that the oscillator was on the wrong > > side. If it should be high, it was low or visa versa. Be sure that > > is not your case as that will make tracking impossible. > > > > Larry > > W3LW > > > > At 01:03 AM 9/26/2007, > >>I have a pristine NC-183D I picked up a year ago that I am finally > >>getting around to. Have replaced all the electrolytics and sound > >>really good. BUT...I cannot get it to track properly as I follow the > >>alignment instructions in the manual. > > ______________________________________________________________ > Our Main Website: http://www.amfone.net > AMRadio mailing list > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > To unsubscribe, send an email to [EMAIL PROTECTED] with > the word unsubscribe in the message body. ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
