Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x

Thread Closed

38-62 - can't get the one station I want to hear!
#26

Hey, trying to help a little and I know this is a bit confusing for someone new to this. Seems there are two possibilities for your problem. One a bad oscillator the second some short problem in your tuner. I'm posting a picture of a tuner that I have open to see if I can help. This tuner is much larger than yours from a much earlier radio. You will not see the moving plates on this as I had to tear it apart, removing the rotating vanes as the bearings were froze. The moving vanes are tied to the frame (ground) the stationary ones there are isolated from ground. Note the four adjustable mica trimmers, one on each of the tuning gangs? You have those as well on your radio but not as many. Lucky you. The might not look just like yours but essentially the same. Each of those trimmer have a wire going to them. On the other "end" of them they are attached to the stationary gang associated with it. A good connection would be the adjusting screw of the trimmer as it goes to that stationary set of plates.
Just hook one lead of your meter to the frame of the tuning cap and the other to each screw and rotate the tuning cap looking for a short. Do it on each of them.
Hope it helps.
Oh fudge, nope connect your meter to the the ground and to the wire going in to your trimmer cap. Must have had a brain fart. Sorry, happens often and much easier and right to do it that way. The right way.

Jerry

[Image: http://i303.photobucket.com/albums/nn129...tuner3.jpg]

A friend in need is a pest!  Bill Slee ca 1970.


Messages In This Thread
RE: 38-62 - can't get the one station I want to hear! - by jerryhawthorne - 01-26-2014, 08:02 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
HiFi (Chifi) tube amp build - but my own design.
It's the other forum. I'm also in DIY, but mostly read there. Honestly, I kinda jumped into this without much thought to...TV MAN — 10:43 AM
Philco 71 Code 125
Hello,  I am in need of a schematic for this radio. Mine has the three separate circular tube shields and a shadow me...dconant — 08:06 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated.dconant — 07:57 AM
54C Complete Teardown/Rebuild
Hello Roy, here is this one sincerely Richardradiorich — 12:45 AM
54C Complete Teardown/Rebuild
Richard, Had grabbed it already but thank you just the same.  I find myself wanting to find some way to block out the...glyphmon — 12:03 AM
54C Complete Teardown/Rebuild
Hello roy, here is a link to the schematic . Sincerely Richardradiorich — 11:54 PM
54C Complete Teardown/Rebuild
Richard, The Silvertone 2014 also is a transformerless set, so I am incorporating a 1:1 600 ohm audio isolation transfo...glyphmon — 11:37 PM
Preliminary work on wife's Silvertone 2014
Did an alignment today which was interesting.  IF alignment went great, almost all was already spot-on.  Adjusting on th...glyphmon — 11:35 PM
54C Complete Teardown/Rebuild
The main problem with adding a Bluetooth input is that this set lacks a traditional power transformer to isolate it from...radiorich — 11:19 PM
54C Cabinet Refinish
I started stripping this cabinet before it got super chilly out because I knew I wasn't going to be able to work on ...glyphmon — 11:18 PM

[-]
Who's Online
There are currently no members online.

>