[TowerTalk] Yaesu G-1000DXA Rotator Measurements

[Marinus Willemstijn]

Jim

Thank You very much. I followed your instructions and got it back into
working order again!

73 to all

Marinus

On Wed, Jun 16, 2010 at 5:42 PM, Jim Brown <jim at audiosystemsgroup.com>wrote:

> On Wed, 16 Jun 2010 16:53:17 +0200, Marinus Willemstijn wrote:
>
> >Is there a way as with HyGain rotators to measure the wires going to the
> >rotor of the the Yaesu G-1000DXA to determine which are wires 1 - 6.
>
> The schematic shows a six wire cable running between the rotor and the
> controller, but only five are used. Two wires are connected to the DC
> motor.
> They go to pins 4 and 5. Measured at the rotor, they read 8.75 ohms.  The
> other three wires go to a 500 ohm pot that senses the position of the
> rotor.
> Pin 1 is the high end of the pot, pin 2 is the tap, and pin 3 is the cold
> end
> of the pot, and is connected to the frame of the rotor. There is no
> connection to pin 6 at the rotor.
>
> Pin numbers in the connector at the controller start with the notch and go
> along the long side of the connector (that is, pins 1, 2, and 3 are on the
> same side). Pin 4 is next to pin 1, pin 5 is next to pin 2.
>
> When measuring these wires, you'll need to account for the additional
> resistance of the wire between the controller and the rotor.
>
> 73, Jim K9YC
>
>
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-- 
Marinus Willemstijn