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722 loses signal randomly

Discussion in 'ViP612/622/722/722K DVR Support Forum' started by blahblahblah65, Jan 13, 2013.

  1. blahblahblah65

    blahblahblah65 Mentor

    39
    0
    May 23, 2008
    Hi all, I have a vip722 and signal strength is in the 40's for all three satellites. Seemingly randomly the 722 will lose signal (typically some time over night/when I go to turn the tv on the next day) and when the 722 is turned on it shows the "acquiring" screen. I can go into menu 6-1-1 and there is no signal on any of the three.

    Then, if I unplug the coax, do a reset on the 722, then plug the cable back in, everything starts working again. This "solution" works every time but means any time I'm not there to perform it I can't record on the DVR.

    I've checked and replaced all the cables I have access to and all are RG6.
    Any thoughts on what the problem might be?

    Thanks!
     
  2. P Smith

    P Smith Mr. FixAnything

    21,340
    127
    Jul 25, 2002
    W.Mdtrn Sea
    central wire corrosion somewhere ? F-connectors failures ? do you have a switch ? - try to recycle its power
     
  3. blahblahblah65

    blahblahblah65 Mentor

    39
    0
    May 23, 2008
    I replaced all of the wires so I can't imagine corrosion is an issue/f connector issue. No switch is installed, as it just goes from the dish to the home distribution which only has a splitter.

    Would switching the port on the LNB assembly matter? I haven't tried that yet...
     
  4. P Smith

    P Smith Mr. FixAnything

    21,340
    127
    Jul 25, 2002
    W.Mdtrn Sea
    I would try new LNBF. BTW, did you check Details after System Info, perhaps there is drift of LOF in the LNBF ?
     
  5. blahblahblah65

    blahblahblah65 Mentor

    39
    0
    May 23, 2008
    Can you explain what that means? I have not checked that screen but I will. Just need to know what I'm looking for since I've not heard of this before.
    thanks!
     
  6. P Smith

    P Smith Mr. FixAnything

    21,340
    127
    Jul 25, 2002
    W.Mdtrn Sea
    Take a look at that threads and posts what are about the "drift" of LNBF; I would recommend use Search in dish forums.
     
  7. boba

    boba Hall Of Fame

    5,580
    0
    May 23, 2003
    Did you ever get the spark problem from May solved?
     
  8. Stewart Vernon

    Stewart Vernon Doctor Whom Staff Member Super Moderator DBSTalk Club

    21,478
    359
    Jan 7, 2005
    Kittrell, NC
    Moving to the 722 support forum for more exposure.
     
  9. blahblahblah65

    blahblahblah65 Mentor

    39
    0
    May 23, 2008
    Hi, yes, I ended up just running a separate cable. So rather than using the diplexer setup I use separate cables for HSI and Dish now. Seems to have worked. Sorry I did not follow up in the other thread!!
     
  10. CeeWoo

    CeeWoo Godfather

    355
    1
    Dec 1, 2008
    Mine is a 722K, but Strangely, I've had the 'partial signal loss' message come up a couple times in the last couple weeks. In playing around with the remote, I found that when I hit the 'guide' button, and then the cancel button, it goes back to normal.

    Has me scratching my head
     

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