[Drake] TR4C BAL MOD
Dick KF4NS
kf4nsradio at verizon.net
Mon Nov 15 15:33:06 EST 2010
Still puting the finishing touches on the ole rig and was using
Garey's great CD for reference while determining the real condition of
the filters. That completed (one is bad), then I proceeded to check
the adjustment of the BAL MOD for proper CXR BAL as per the section 5
steps for alignment.
Right off the diving board I got twisted around. It says to adjust the
bias according to the earlier steps in para 5-6 which says adjust for
.1A, now key the rig in X-CW and if the plate current exceeds .15A
adjust RF TUNE for .15 and if it is less than .15A adjust the CXR BAL
pot for .15A , what is the deal with this ".15A" ?
Why do that after setting the bias for 1.0A at the beginning? I tried
to adjust the pot and it does nothing. How critical should the reading
be while adjusting the pot? How many turns are there to this pot?
73, Dick KF4NS
St Petersburg, FL 33714 USA
Keep The Glow!
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