Thanks to all who replied. Got it fixed, just a bad wire. On Jun 18, 2011, at 3:53, "i8cvs" <[email protected]> wrote:
> Hi Bill, NZ5N > > I hope you have the schematic diagram with you.The Azimuth meter M-1 > has a terminal connected to the ground and the other one is connected to > R3 and C-10 on operational amplifier Q3 > > Disconnect the hot wire of M-1 connected to R3 and put in series between > it and ground a DC milliamperometer (1 mA f.s or less should be OK) > > If manually rotating the Azimuth the milliamperometer is moving back and > forth than the electrical circuitry is working correctly and probably the > meter M-1 has received some shock and is stuck against the plastic cover of > the instrument. > > To calibrate again the Azimuth meter adjust the 10 k potentiometer VR1 for > full scale indication when the rotator is fully turned by 450° > > VR1 i.e. the Azimuth Full Scale potentiometer is the first pot. looking the > Control Box from the back. > > Have fun. > > 73" de > > i8CVS Domenico > > ----- Original Message ----- > From: "Bill Dzurilla" <[email protected]> > To: <[email protected]> > Sent: Saturday, June 18, 2011 12:17 AM > Subject: [amsat-bb] Yaesu G5500 rotor problem > > >> Hi, >> >> I brought a G5500 with me to Europe and have it up and running. The > elevation rotor is working as it should. The azimuth rotor turns the > antenna left and right as it should when the button is pressed, but the > readout on the controller is not working. When I turned on the controller, > the azimuth meter pinned to the right (i.e., beyond the red 90 degrees > mark). I was able to adjust on the back to get the meter unpinned, but the > indicator does not move at all when the rotor is activated. Any ideas on > what may be wrong? >> >> 73, Bill NZ5N/OM3BD >> _______________________________________________ >> Sent via [email protected]. Opinions expressed are those of the author. >> Not an AMSAT-NA member? Join now to support the amateur satellite program! >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
