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Re: G-5400B Rotor and Controller



On Saturday 15 September 2001 10:58, Gerald Baker wrote in "[amsat-bb] 
G-5400B Rotor and Controller":
> Need help, I do not have manual for the Yaesu G-5400
> Azimuth-Elevation Rotator.Yesterday when I turned my system on, I
> noticed that the Azimuth Rotor was working,  but no response from the
> elevation rotor. It is frozen in the horizontal position. I need to
> identify the pin-outs (Terminals1 to 6) and what output reading I
> should get at each of the six terminals . As stated, Azimuth appears
> to working  OK but no response on Elevation.Wiring all inorder on
> controller. Hope to climb up and check wiring at rotor this morning.
> Tnx for reading this message and any advise or help would be greatly
> appreciated.

The pinout from the schematic is:

 1-2-3 are the position sensor, which are marked "VR5 500" and "VR6 
500" variable  resistors on the schematic, for both az and el. 2 is the 
wiper and 1 and 3 are taps at either end of the winding.

 4-5-6 are the motor voltage. 4 and 5 turn one way or the other, with 6 
being the return. 

If you need the voltages let me know and I'll measure them. 

73 de Maggie K3XS

-- 
-----/___.   _)   Margaret Stephanie Leber    / "The art of progress  /
----/(, /|  /| http://voicenet.com/~maggie   / consists of preserving/
---/   / | / |  _   _   _    `  _AOPA 925383/ order amid change and /
--/ ) /  |/  |_(_(_(_/_(_/__(__(/_  FN20hd / change amid order."   /
-/ (_/   '  K3XS  .-/ .-/    ARRL 39280   /___ --A.N.Whitehead ___/
/____ICQ 7161096_(_/_(_/__AMSAT 32844____/ <maggie@voicenet.com>

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