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HR24 Composite out, video pulses on HD local CHannels

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by jorb, Sep 26, 2011.

  1. jorb

    jorb AllStar

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    Mar 22, 2008
    HR24-100 DVR Composite out, video pulses on HD local CHannels only.

    Stops pulsing after backing up DVR 6 seconds or when you go off live video.

    On 2nd reciever and still having same problem.

    Any suggestions of what the problem is?

    Thanks

    jorb
     
  2. dpeters11

    dpeters11 Hall Of Fame

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    Just checking, do you mean HR24?
     
  3. Tom Robertson

    Tom Robertson Lifetime Achiever DBSTalk Club

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    Or an H25 non-DVR receiver?

    Cheers,
    Tom
     
  4. jorb

    jorb AllStar

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    Sorry typo HR24-100 DVR
     
  5. jorb

    jorb AllStar

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    Mar 22, 2008
    HR24-100 DVR

    Sorry for Typo.
     
  6. Tom Robertson

    Tom Robertson Lifetime Achiever DBSTalk Club

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    No worries, happy to correct the title for everyone.

    When you say video pulses, do you mostly see the video picture with flashes or mostly don't see the video except for brief flashes?

    All the locals or only certain ones?

    Was the first receiver also an HR24-100?

    Cheers,
    Tom
     
  7. jorb

    jorb AllStar

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    Mar 22, 2008

    See the video picture with flashes.

    Example would be the color red goes from normal to a bright red and then back to normal every 2 seconds.

    Just on HD Locals. ESPN HD is normal.

    The 1st receiver was a HR24-500.

    This is new out of box hardware.

    2 HR24 receivers on a whole home system connected to internet.

    1 receiver pulses worst than other.

    No pulse on HDMI or Component out

    SWM LNB at Slimline dish.

    One HR24 receiver did not pulse but internal RF remote control receiver was bad. Directv Changed out with new receiver.
    Problem returned with new receiver.
     
  8. TomCat

    TomCat Broadcast Engineer

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    Since this is composite out, there is the possibility of interference causing this. Also, it could be interchassis interference, meaning whatever may be stacked above or below can be causing interference directly. Try HDMI, and try physically moving the DVR someplace slightly different. Turn off all un-needed components one by one to see if any of them are causing it.
     
  9. jorb

    jorb AllStar

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    Tried everything you mentioned with no change.

    I believe it mite be a software issue, because when I go off live picture (backing up 6 second on dvr) pulsing stops.

    A satellite signal spectrum analyzer mite help to determine if it
    is coming from satellite signal down link or HR24.

    1st receiver is in 1st floor living room, 2nd receiver is in 2nd floor bedroom both receivers pulse.

    Thanks
     
  10. TomCat

    TomCat Broadcast Engineer

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    So if you are getting this on HDMI, that rules out local interference pretty much, because everything is in the digital domain all the way from sat to DVR to display.

    But if you are seeing it on two DVRs, that points to what is common, the dish and any switches in line.

    And IIRC, you said this began when you got HR24s? But one HR24 with a different problem did not have this problem?

    Could be a bad batch of HR24s. Could also be interference that is specific to how the HR24 handles the color space (RGB, while others handle it differently). Both are unlikely.

    You need a service call from DTV to determine what this is; they can replace pieces one by one, replace HR24's with something else, to the point of solving the mystery. Do you have a security system that might be interfering? Disable that for a moment (power it completely down). Digital is supposed to be fairly impervious to interference, but stranger things have happened.
     
  11. jorb

    jorb AllStar

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    No pulse on HDMI and component outputs. read post #7

    Switched from Dish Network to Directv, new customer since 9/21/11

    2 HR24 receivers on a whole home system connected to internet.

    Pulsing stops when I go off live picture (backing up 6 second on dvr) That would not be a bad dish and switches.
     
  12. TomCat

    TomCat Broadcast Engineer

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    If it is not pulsing on HDMI or component out, how do you have these connected?

    I think the rest of us are confused by what "pulsing" means. If it is just a brief change in color level, it still seems pretty strange.

    If you can, post a youtube video of it and send us the link.
     
  13. inkahauts

    inkahauts Well-Known Member

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    Both are pulsing from both locations? Yes, please tell us how they are hooked up to what kind of tvs and where.

    If it's not an issue when you are not live, then I don't see how it could be a sa signal issue with switches, etc. Sounds more like an interference or voltage/ grounding issue, but then I would expect that to be all the time too. This is weird. Connection details may help us suggest more trouble shooting ideas.
     
  14. jorb

    jorb AllStar

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    Working on the issue, I have been under the weather for a couple days.
    Wiring goes like this:

    swm slimline dish to power supply deca,router and splitter to hr24 composite out to composite in on Sony SD TV. Nothing fancy.

    Will Try to post video to show problem.

    Short on time at the moment.

    keep you posted.
     
  15. Diana C

    Diana C Hall Of Fame DBSTalk Club

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    Does it stop and not recur, or does it happen in different places?

    It sounds like an electrical problem (reverse polarity or bad bond between neutral and ground at the power panel). I assume you didn't see this with the Dish receivers...did they have 3 prong plugs by any chance?
     
  16. mobandit

    mobandit Hall Of Fame

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    Here's my bet...
     
  17. jdspencer

    jdspencer Hall Of Fame

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    Why are you using composite outputs?
    Does the Sony SD have component?
     
  18. inkahauts

    inkahauts Well-Known Member

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    Wait, how many power supplys do you have hooked up? One for the dish, and one for the broadband deca, correct? Just trying to clarify
     
  19. jorb

    jorb AllStar

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    Mar 22, 2008
    1st floor bedroom Sony has RF and composite input only.

    Receiver 1, HR24 composite out to RF modulator on channel 4 to 1st floor bedroom Sony SD 20" TV RF input.video pulses on HD local Channels only.
    Receiver 1, HR24 HDMI out to 1st floor living room VISIO HDMI input.

    Tried Receiver 1, HR24 composite out only to 1st floor living room VISIO TV composite input, no change in problem. But not as severe.

    Receiver 2, HR24 composite out to 2nd floor bedroom Sony SD 27" TV composite input. video pulses on HD local Channels only.
     
  20. jorb

    jorb AllStar

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    1 power supply for dish.
    1 power supply (wall wart) for broadband deca.
     

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