Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Antique Radio

We appreciate your help

in keeping this site going.
Reply
 
Thread Tools Display Modes
  #16  
Old 04-18-2015, 06:25 PM
Reece's Avatar
Reece Reece is offline
VideoKarma Member
 
Join Date: Jul 2004
Location: Cleona, PA
Posts: 2,178
If it oscillates with the 6A7, it oscillates. May have been a later version of the set. Set your signal generator to 455 kc with internal mod and lay its output cable near the first IF transformer wiring. Assuming 455 or 456 is the correct IF for this set, should hear the tone in the speaker. Maybe somebody fiddled with the IF trimmers.

If the oscillator works, and the spread is from 1000 to 1455 between the two radios, then you know the IF should be 455. With that determined and working, what's keeping the oscillator signal from beating with the incoming BC signals to produce IF? Hmm...
__________________
Reece

Perfection is hard to reach with a screwdriver.
Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 12:56 PM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.