[TowerTalk] Yaesu G1000 Rotator

[k2xx]

Yes, I have a G2800 and it was behaving in a similar manner
after a severe thunderstorm.        Yaesu repaired the
control box for about $80 or so.  I'm not home and I forget
the components that were replaced, but a good thing to check
first is the voltage going to the rotor.  If it is low (I
believe it should be about 8 VDC), check the voltage
regulator on the top board.  It also should be 8 VDC.  If
not, it's your problem, or at least one of the problems.

73, Joe
K2XX

----- Original Message Follows -----
From: W5KI at aol.com
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Yaesu G1000 Rotator
Date: Wed, 20 Jun 2007 22:21:15 EDT

> Terry,
>  
> One of my Yaesu rotors (G-800) has THE EXACT problem and 
> basically the EXACT  readings as you have.  I suspect it
> is the control  unit in the shack, maybe  damaged from a
> lightning surge.  At this QTH,  the potentiometer in the
> rotor  itself was checked and okay.
>  
> As a temporary measure, I have a digital ohmmeter attached
> to the direction   indicator wires coming into the shack. 
> For this unit, 5 ohms is full left,   455 ohms is full
> right rotation.  I turned actual heading of antenna to 005
>   degrees for 5 ohms (left),  360 ohms readout then
> matches 360 degrees, and  full  right rotation of 090
> degrees has areading of 455 ohms  (365 +  090).
>  
> This controller problem is quite common.  Most instances I
> have read  about  usually confirm an indicator issue,
> rarely is it an actual bad pot in the   rotor.  With those
> similar readings, I would believe it is the control  unit.
>  
>  
> Steve, W5KI
>  
>  
> Date: Thu, 21 Jun 2007 07:59:33 +0800
> From: "BA7NQ Terry"  <ltw at vip.163.com>
> Subject: [TowerTalk] YAESU G1000 ROTATOR
> 
> Hi  OM,
> 
> MY yaesu G1000 ratator just have a problem, the indicator
> degree  of controller is unequal with the rotator degree.
> 
> When the rotator  rotate from 0 degree to 90 degree, the
> indicator only show from 0 to 60  degree, 
> and continue rotate from 90 degree to 180 degree, the
> indicator only  show from 60 degree to 100 degree,
> and continue roate from 180 degree to  450 degree, the
> indicator running slowing... when the auto rotaor stop at
> 450  degree, the indicator just in about 210 degree.
> 
> The G1000 can rotate  from 0 degree to 450 degree, it
> works ok and can auto stop in 0 degree and  450 degree, 
> but the indicator just only show from 0 degree to about
> 210  degree...
> 
> Any idea is welcome... thank you very much.
> 
> 73! de BA7NQ  Terry
> 
> 
> 
> 
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