1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. Welcome to the new DBSTalk community platform. We have recently migrated to a community platform called Xenfono and hope you will find this change to your liking. There are some differences, but for the most part, if you just post and read, that will all be the same. If you have questions, please post them in the Forum Support area. Thanks!

Basic install & alignment procedures for SL3 LNB on AU9 Slimline dish

Discussion in 'DIRECTV Installation/MDU Discussion' started by tkitzky, Nov 22, 2008.

Tags:
  1. tkitzky

    tkitzky New Member

    2
    0
    Nov 22, 2008
    Hello everyone! I have a question about installing and aligning a SL3 lnb (four outpus) on a AU9 Slimline dish as compared to the SL3-SWM.

    I am helping a friend install a Dtv system for a new HR22 HD-DVR receiver. He will only have one receiver for his system. Also local channels are not an issue. He only needs the usual 99, 101 and 103 satellites. I told him to order the AU9-SL3 dish from solidsignal. I was expecting that system to come with a SWM single-wire LNB, but it comes with the SL3 four wire lnb.

    Since he has the SL3 lnb, I am assuming we can just run two RG6 coax's from the dish to his receiver since his HR22 has two sat inputs. I am not sure what voltage is required for SL3. I had my friend buy the PI-21 power inserter expecting this would be a SWM setup. Can we still use the PI-21 21v power inserter instead of relying on power sourced from the receiver? It might be better for the receiver in the long run not to sink so much power. (I'd rather have a replaceable PI mounted in the basement on the wall doing that job.)

    I have worked with SWM system and know how to align the dish using an Acutrac Pro meter and the ASL-1 splitter to align on the 101 sat. How do you do this with the SL3? Do I just plug my accutrac inline and start aligning? Is the ASL-1 not required in this instance? If not, how do I know I am aligning on the 101? Do I need to connect to the receiver or can this be done cold (e.g. not connected to receiver until fully aligned)? I believe my Acutrac Pro has a 13V battery... not sure if that would power the SL3 though.

    Thanks in advance!
     
  2. samrs

    samrs MANC DBSTalk Club

    1,511
    26
    May 30, 2004
    Flat Branch, NC
    Do not connect a SWM PI to a non SWM LNB.

    Your meter will power an SL3. Connect it straight to the LNB.

    Peak on the 101 then dither.

    Two lines to the HR22.
     
  3. tkitzky

    tkitzky New Member

    2
    0
    Nov 22, 2008
    Thanks for that reply. That answers almost everyrthing for me. I am almost good-to-go. Just one thing to clarify.

    To align to the 101 sat, I just connect my accutrac and then what? I don't think my accutrac is intelligent enough to know what satellite it is receiving. How do I know I am aligning to 101? Do I still use the ASL-1 to manually "filter" for 101? Or is that the only satellite I will receive on my meter until I hook-up the receiver?

    Sorry to be a pain... My fundamental understanding on these Dtv systems is a little shaky. Things have changed over the years and I've switched around between dtv and dish. So I know a little about a little. Thanks for the patience.
     
  4. samrs

    samrs MANC DBSTalk Club

    1,511
    26
    May 30, 2004
    Flat Branch, NC
    I haven't used the ASL-1 and don't think it filters out the 101, if it does then its worth a lot more than I paid for mine. It's only used with SWM.

    You start with a plumb mast. Set the elevation and point the dish in the correct direction. A compass helps.

    You could hook up both lines to the HR22 plus one to your meter and have your bud sit inside where it's warm, guarding the beer an monitoring your progress.
     
  5. carl6

    carl6 Moderator DBSTalk Club

    12,385
    902
    Nov 15, 2005
    Seattle, WA
    You do NOT use the ASL-1 to align a non-SWM LNB/dish. Connect your meter directly to one of the LNB connectors. You can connect the receiver to your meter if you need the power.

    With the Accutrac, turn the 22KHz tone OFF. That way you are reading 101. Set the elevation and tilt to the specified values, then adjust azimuth until you find the signal and peak it. Take the accutrac out of line and check the receiver to see if you really are on 101 (good transponder readings on most transponders). If you are, then check 99c and 103c. If those are both in the 80's or 90's you should be good. If not, then using the receiver as your meter, do the fine tuning/dithering to maximize 99c and 103c.

    Return the power inserter, you don't need it and absolutely should not try to use it with the non-SWM LNB.
     
  6. akgarrett62

    akgarrett62 Cool Member

    22
    0
    Oct 24, 2008
     
  7. evan_s

    evan_s Hall Of Fame

    2,136
    0
    Mar 3, 2008
    That should work fine no tone is going to give you either 101 even or odd transponders depending on if you are doing 13 or 18 volts but either it's still fine. 22khz tone will give you 110/119 on a SL5. On an SL3 you should actually get 101 either way since they place 101 on the tone side with 103 hi/lo to provide guide data.
     
  8. Mertzen

    Mertzen Hall Of Fame

    3,682
    0
    Dec 8, 2006
    Yeah. 21V from the PI will mess up the LNB for sure.
     
  9. evan_s

    evan_s Hall Of Fame

    2,136
    0
    Mar 3, 2008
    I wouldn't want to try it out but it might not fry anything. 18v is part of the normal signaling/power for a standard LNB. Even if it didn't fry the lnb tho it would definitely mess up the signaling and you'd only get the even transponders since the LNB would always be seeing the 18v side of the signaling.
     

Share This Page