[AMRadio] DX100B oscillation problem

Jim Wilhite w5jo at brightok.net
Wed Dec 7 15:08:53 EST 2011


Rick, does this set have an modifications?   If so I suggest you remove 
them until you find this puzzle.  If it does it occasionally in the CW 
position then something else could be amiss.  I suggest you check each 
ground in the unit.  Loosen and tighten all screws that are grounds.

Jim/W5JO




----- Original Message ----- >>If you suspect that your oscillation 
problem may be coming from the
>>audio/modulator chain, just pull out the 1625 modulator tubes and
>>see if that stops it.
> <<<<<
>
> I actually ran it that way for a few days after one of the modulator
> tubes developed a short.  I tried it again yesterday, but the problem
> is happening occasionally in CW also (not as often as with phone).



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