[Kenwood] TS-940S Transmit Problem on 15m

[cemilton at aol.com]

Dino, glad u found the battery and was able to replace it before it 
caused problems.

I'd like to toss in the comment that perhaps you "tightened" the right 
screw while you had the chassis opened.  It's been my experience with 
the TS-430, TS-440, TS-830 and TS-930 that periodic "backing off" and 
"re-torquing" of key screws in these rigs sometimes solves "mystery 
problems".  Anyone else have this experience?

73 de W4MIL
Chuck

-----Original Message-----
From: kl0s at cox.net
To: Kenwood at mailman.qth.net
Sent: Tue, 2 Jan 2007 11:52 AM
Subject: [Kenwood] TS-940S Transmit Problem on 15m

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 ______________________________________________________________

 Hopefully this may help someone with a similar problem.

  For several years I've had an intermittent/fluctuating (and VERY 
annoying!) in power output on 15m.....sometimes it worked fine, more 
times than others I'd get a fluctuating power output or normal output 
with no modulation (of course right when I needed it to make a DX 
contact)--other bands worked FB. I tried many different things like 
pulling every connector inside and giving it a shot of DeOxit; the 
famous "lift and drop from 6 inches" technique; I'd even heard that 
loosening and re-tightening the PL-259 on the output would help 
(actually, every once it a while that did do it surprisingly), but no 
permanent fix.

  BUT, I recently replaced the memory/CPU batteries for the second time 
since buying this rig new in 1986 that after replacing the battery 
that's buried deep inside the CPU enclosure under the speaker assembly, 
the problem has disappeared. Although the batteries didn't absolutely 
require replacement I'm glad I did as that CPU battery had actually 
started to corrode! So I'm thinking that the fix had something to do 
with pulling that CPU box cover off and replacing it was the 
cure....'course I'll never know but if someone else is having a similar 
problem you may want to give that a try.

 73 -- Dino KL0S/4
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