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52-542 problem
PAradiogeek
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Posts: 395
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Joined: Jul 2013
City: Horsham, PA
#7

08-01-2014, 07:26 PM
Is the loop antenna installed? If the loop antenna had a break in it, it might prevent reception. Try ohming that out. Should be very low ohms.

You say the coils are good. Does this include the oscillator coils (T1)?

You could try injecting the RF directly to the 7A8 grid (through a .1 uF cap). If that works, the problem is most likely with the loop antenna.
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Messages In This Thread
52-542 problem - by tab10672 - 07-30-2014, 01:04 AM
RE: 52-542 problem - by Steve Davis - 07-30-2014, 11:38 AM
RE: 52-542 problem - by tab10672 - 07-30-2014, 03:29 PM
RE: 52-542 problem - by tab10672 - 07-30-2014, 05:09 PM
RE: 52-542 problem - by PAradiogeek - 08-01-2014, 03:24 PM
RE: 52-542 problem - by tab10672 - 08-01-2014, 05:38 PM
RE: 52-542 problem - by PAradiogeek - 08-01-2014, 07:26 PM
RE: 52-542 problem - by PAradiogeek - 08-01-2014, 07:31 PM
RE: 52-542 problem - by Radioroslyn - 08-02-2014, 11:12 PM



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