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srd1941's avatar
srd1941
Explorer
May 18, 2015

Obsolete Winegard Satelite antenna

I have a roof mounted Winegard Pinnacle 9946 automatic satellite antenna on my old motorhome and contract with Direct TV for programing. This has worked fine for many years but sporadically for the past year, sometimes obtaining a signal and sometimes not. This has a separate positioner box where you input the Lat. and Long., Elev., or nearest City to set and search the satellite. The other day I set the antenna and had the TV working then left it running while I went back in the house. When I came back the last picture and the note “lost signal” was locked on the screen. There was no wind and there are no obstructions in the line of sight. The troubleshooting instructions say to check the voltage at the LNB and if the proper voltage is present skip down to step 11. Step 11 says to replace the LNB and if there is still no signal replace the positioner. I checked and have 12.4 volts which at the low end but still within spec’s. I can’t find a direct replacement anywhere for the LNB which has a single coax. connector. Winegard was no help, their answer was that it is obsolete and there are no parts available. My questions are as follows:
1. Will a duel feed LNB work if it will bolt up in place of the existing LNB?
2. Is it possible to connect the coax directly from the LNB to the receiver, bypassing the positioner and then position the satellite antenna manually using the manual setting on the Positioner and the signal meter on my Direct TV receiver to obtain the lock on? I have not yet tried the manual setting but there are instruction in the book.
The positioner raises and lowers, searches, sets, and parks the dish but can’t find the satellite. I hate to throw it out if I can make it work. I can’t see where using it manually would be much different than using either a roof mounted crank up or portable tripod mounted dish. Have any of you had any experience along these lines?
Stan
  • 1) Yes
    2) Yes, but you are not going to have any fun doing it as you have no reference from inside to indicate elevation or azimuth.
    The Pinnacle was last produced in 1998 or 99 so it's had a good life!
  • Thanks Bill
    A year or so ago you set me in touch with a guy that had an RD 9900 positioner for sale which I purchased. I have never tried it as I got the existing system working. It seems that everything went to******after I got a new receiver from Direct TV. Anyway I still have the extra positioner in the wings if a new LNB doesn’t fix the problem. If that doesn’t work I am going to try it manually. According to the book in the manual mode the positioner should read out Azimuth and Elevation as you manually move the dish using the arrow keys. I’ll not replace the dish with a new one if I can’t get this to work, I’ll just pick up a tripod and a Direct TV antenna and use that. We don’t watch enough TV to warrant the expense of a new automatic system. By the way, you’re an asset to the forum in case you didn’t know.
    Stan
  • LNB's are relatively cheap. Take it off the dish arm and get the part number off of it. With that you might find a new LNB from Ebay or some Direct resellers.
  • Thanks, I'll try that. One other question, is the azimuth based on magnetic north or true north? I just checked the declination here where I live and it has changed many degrees since I was last required to know. It has been a lot of years and I knew it changed but I didn't remember it was so much. Ah, the years go by.
    Stan
  • The azimuth will be how far the antenna has rotated and have no relation to any kind of a compass heading. You will need a compass to determine where to point the antenna based upon the RV heading. The rear of the coach will be 0 and 180 degrees, the driver side will be 90 degrees and the passenger side 270.
    Thanks for the kind word above!

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