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[TowerTalk] Yaesu rotator problem

Subject: [TowerTalk] Yaesu rotator problem
Date: Fri, 21 Oct 2005 11:48:13 EDT
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Howdy, TowerTalkians --

    I ran into a problem that's got me stumped. I've got a Yaesu G-800 
rotator that doesn't seem to work. It was not tested prior to installation on 
tower but I haven't ever had any infant mortality problems with Yaesus so maybe 
it's something on our end.

    I think I remember that Yaesu rotators changed voltage systems recently - 
they went from ac to dc or vice versa - I don't remember which, but the 
result is that instead of using 6 wires, now they only use 4. Which is fine 
they don't tell you that in the instruction manual so you wind up soldering 4 
extra wires (2 on each end) that aren't needed. And they're not the easiest 
buggers to work with in the first place. :-(

    Anyway, we got the 4 wires hooked up and it doesn't work - no rotation, 
no indication, etc. We've got power and had to replace the little internal 3A 
fuse but as Mark would say, no worky worky. We couldn't find any pin-out 
measurements like you find with Hy-Gain rotors so we couldn't do any 
Can anyone give us any simple measurements/tests we can do? We haven't run a 
cable continuity check but I haven't had that sort of problem before but I'm 
ruling anything out.

    Any help appreciated.

Steve    K7LXC

See:  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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