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771 error on Sat. 2… stuck...

Discussion in 'DIRECTV DVR with TiVo Discussion' started by bldxyz, Mar 4, 2014.

  1. Mar 4, 2014 #1 of 13
    bldxyz

    bldxyz AllStar

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    Aug 18, 2006
    I'm wondering if anyone here has seen something like this.

    I've been living outside my house while some remodeling has been going on. On Feb 15, I re-routed the coax lines from the satellite to the wall jack in my living room (disconnecting then reconnecting the same connection points). On Feb 19, the drywall guy put up drywall on the other side of the wall from the wall jacks, and did mud/sanding on Feb 20. Sometime on Feb 20, I stopped getting every channel except local channels and, like, Nickelodeon. (I can tell this from Recording history). The error message on all my channels such as HBO, COMC, etc. is no signal from Satellite 2 (771). When I check signal strength, only 101-degrees shows anything at all. All the other locations -- nothing.

    I did some troubleshooting with a phone tech on Saturday.
    - Hard Reset
    - Tighten connections
    - Visit all sorts of 9xxx test channels

    The tech then insisted that I had some sort of power booster somewhere on the coax line. Something that the coax line ran through that was also plugged into power. Since 2006 when I got HD, there has never been such a thing, and since I recently re-routed all the coax, I know every inch of the coax line. There are only two, small rectangular boxes (non powered) very close to the receiver -- coax in, coax out.

    I have subsequently tried:
    - unplugging and then replugging all coax connections: at the receiver, at the two small boxes, at the wall plate, behind the wall plate, and at the dish.
    - inspecting the cable that is within the walls (pulling the slack in each direction)
    - re-crimping the end on the wall jack for the line for Sat 2 since the crimp job was squished (but probably has been that way since 2006).

    I just don't get it.

    1) Why do I get some channels and not others?
    2) What is the deal with this power device I've never had?
    3) If the line is free of (visible) defects, why did it fail on Feb 20?
    4) Any ideas how I might solve this?

    Thanks to anyone who understands this better than I do. I just have some logic (it used to work) and a knowledge of the physical coax line.
     
  2. Mar 4, 2014 #2 of 13
    litzdog911

    litzdog911 DIRECTV A-Team DBSTalk Club

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    What model Tivo do you have?
    Does it have two satellite coax cables connected? What happens if you swap them?
     
  3. Mar 4, 2014 #3 of 13
    harsh

    harsh Beware the Attack Basset

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    There may also be some issues with the specifications of cable and connectors used to "extend" the setup.
     
  4. Mar 4, 2014 #4 of 13
    sbl

    sbl Icon DBSTalk Club

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    The "two rectangular boxes" are likely BBCs (BaseBand Converters). This tells me that you have an HR2x or THR22 (if you're posting here, then likely THR22). It could be that one of the BBCs has failed - this would result in a symptom similar to what you've seen. If you swap the cables at the receiver, does the problem move?
     
  5. Mar 4, 2014 #5 of 13
    bldxyz

    bldxyz AllStar

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    Ah, swapping the BBCs is something I haven't tried!

    THR22 is right.

    Others on the DirecTV.com forum (to which Litzdog has replied, too) have suggested it could be dish misalignment.

    I do wonder what harsh meant, since I'm not aware that the system has been extended, or, at least, the wiring setup has been the same since 2006 (with the possible addition of the BBCs at some point after that).
     
  6. Mar 4, 2014 #6 of 13
    litzdog911

    litzdog911 DIRECTV A-Team DBSTalk Club

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    Try swapping the two BBC modules, both with and without swapping the SAT INPUT cables. That will help you narrow down if it's a defective BBC (problems follows the bad BBC), or a defective dish feed (problem follows the SAT INPUT cable).

    Is this your only DirecTV Receiver/DVR? If you have others, do they have the same problem?
     
  7. Mar 4, 2014 #7 of 13
    NR4P

    NR4P Dad

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    Are you sure that when the drywall went up, the drywall screws didn't nick the cable and cause some damage?
     
  8. Mar 4, 2014 #8 of 13
    peds48

    peds48 DIRECTV A-Team DBSTalk Club

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    Did you check both tuners? It appears that your issue is on tuner 2
     
  9. Mar 5, 2014 #9 of 13
    sbl

    sbl Icon DBSTalk Club

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    You'll also want to recheck the satellite setup to make sure it doesn't think you have a SWM system.
     
  10. bldxyz

    bldxyz AllStar

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    Aug 18, 2006
    That's sort of what I thought when I had pieced it together that the signal drop happened a day after the drywall went up. Since there is some slack int the cable, I was able to pull it through from the jack side, and then pull it back the other way from under the floor. Nothing visible on either cable, and it they both pulled through relatively easily.
     
  11. bldxyz

    bldxyz AllStar

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    Aug 18, 2006
    I cross-posted this to the DirecTV forum and had some similar advice, but over there, they ask you to share your detailed satellite readings. Both tuners show pretty similar numbers, with a whole lot of zeroes on a whole lot of places.

    The advice over there is for me to wait for my Saturday technician appointment, with some general conclusion that either the dish is misaligned or some hardware is worn out.

    It seems a fascinating coincidence that it happened all at once while construction was going on. But just drywall, not like any big, heavy work.
     
  12. codespy

    codespy Packers or Bust!! DBSTalk Club

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    Not to hi-jack this thread regarding the drywall comment, but I do not personally know of any retired drywallers that worked until retirement age of 62, usually their bodies were trashed because of all of the big, heavy work over their employment. This coming from an electrician who sympathizes with them even though they occasionally rock over our boxes! :)


    Sent from my iPad using DBSTalk
     
  13. harsh

    harsh Beware the Attack Basset

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    Salem, OR
    I thought that was what mud rings were for. A spin with a router or a drill saw and you're good to go.
     

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