[AMRadio] WTB : PP 6F6 Output Transformer for BC779


Mike Sawyer kc4slk at uplink.net
Sun Jul 11 09:01:43 EDT 2004


Mark,
    First, its a good idea to replace the caps. Second, I have a BC-794
along with the manual, (the BC-779,-794, and -1004 were of the same design
only difference is the band coverage). I have a good supply of audio iron.
Let me look at the schematics and I'll see if I have available.
Mike(y)
W3SLK
----- Original Message ----- 
From: "Mark Foltarz" <Foltarz at rocketmail.com>
To: <amradio at mailman.qth.net>; <boatanchors at mailman.qth.net>
Sent: Sunday, July 11, 2004 2:01 AM
Subject: [AMRadio] WTB : PP 6F6 Output Transformer for BC779


In the process of restoring a BC779, I replaced a bunch of caps and a
several
resistors. I also noticed that there were two "tar stalagtites" forming
underneath the audio outout transformer.

Upon power up lo & behold, there was very little audio out and the 6F6's
were
truly hot enough to fry eggs on.

I pulled the 6F6s and hooked a pair of headphones to the secondary of the
audio
driver transformer and began listening to some SWBC with just a foot of wire
on
the antenna.

So, anyone have a spare  6F6 PP to 8ohm to part with ?

tnx

de KA4JVY

Mark






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