AA Zenith n513w noise
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AA Zenith n513w noise
I get a loud noise on local station,almost blocks out the signal. I am new to repairing radios, but learning fast! I recapped the electrolytics and it got rid of the hum, it is plenty loud otherwise. How do you know if an IF transformer is of the silver mica type?
Thanks, Rick
Thanks, Rick
Rickey- Member

- Number of posts: 36
Age: 57
Registration date: 2011-09-06
Re: AA Zenith n513w noise
Need more information. What type of loud noise is it? Static? Buzz ?
All I F transformers have mica caps. If you mean does it have built in mica caps in I F's, what is the model, and, year of the set? Am? FM?
Bill Cahill
All I F transformers have mica caps. If you mean does it have built in mica caps in I F's, what is the model, and, year of the set? Am? FM?
Bill Cahill
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Re: AA Zenith n513w noise
Thanks Bill, it is a late sixties radio, AM only. The sound is a crashing sound. n513w Zenith
Thanks
Thanks
Rickey- Member

- Number of posts: 36
Age: 57
Registration date: 2011-09-06
Re: AA Zenith n513w noise
Sounds like silver mica disease in I F transformers.
You need a schematic for this set.
Bill Cahill
You need a schematic for this set.
Bill Cahill
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Re: AA Zenith n513w noise
Thanks Bill, this will be a good set to learn on!
Rickey- Member

- Number of posts: 36
Age: 57
Registration date: 2011-09-06
Re: AA Zenith n513w noise
Took IF can apart and it has the black Siver mica problem.
I broke the red and green wires and not sure which way they go!
I broke the red and green wires and not sure which way they go!
Rickey- Member

- Number of posts: 36
Age: 57
Registration date: 2011-09-06
Re: AA Zenith n513w noise
Show me pictures of what you are talking about.
Bill Cahill
Bill Cahill
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