Care and Feeding an Icom PW1
W6DE
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adjustments by adjusting each side separately with the other side biased off and then checked the
current draw for both.
The balance potentiometer is very, very touchy, only about 2% or 3% of the entire range of the pot is
used to actually adjust the bias. And, the pots have high friction, so it’s difficult to set. I tried using a
plastic “tuning” wand/screw-driver and it would wind up and snapped the adjustments too far when the
friction broke. I gave up and used a small blade metal screwdriver--much better than the plastic but still
very difficult to adjust to the desired value.
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