Vertical Banding

Discussion in 'Displays' started by Frank B, Dec 10, 2003.

  1. Frank B

    Frank B Auditioning

    Joined:
    Nov 21, 2003
    Messages:
    1
    Likes Received:
    0
    I was wondering if someone can tell me about Vertical banding! How common is it? Does it effect all LCD projectors? What causes it? Does it effect one model more than another etc? Prior to yesterday, I never heard of it! I knew that rainbows were a problem for some people on DLP projectors and that the screen door effect was common to LCD projectors. Am I to understand that Vertical Banding is also a problem with all LCD projectors?
     
  2. Neil Joseph

    Neil Joseph Lead Actor

    Joined:
    Jan 16, 1998
    Messages:
    8,332
    Likes Received:
    1
    Real Name:
    Neil Joseph
    This is not a question for the basics area, you'll get better response fromt he displays area so I am moving it there.
     
  3. Keith M.

    Keith M. Second Unit

    Joined:
    Apr 1, 1999
    Messages:
    486
    Likes Received:
    0
    The only vertical banding i ever experienced w/ my Sony VPL-10ht was caused by a defective video source. Specifically, the Sony 9000es dvd/sacd player. It was a known issue and resolved by Sony service center, cant recall actual service bulletin #.

    Other causes could be RMI/RFI interference usually caused by bad grounding or sat receivers(rg6 cable)...


    But banding is in no way related specifically to lcd technology...
     
  4. Neil Joseph

    Neil Joseph Lead Actor

    Joined:
    Jan 16, 1998
    Messages:
    8,332
    Likes Received:
    1
    Real Name:
    Neil Joseph
    I concur. Try to eliminate the cables, noise, or the video source.
     
  5. Eric Samonte

    Eric Samonte Screenwriter

    Joined:
    Mar 31, 1999
    Messages:
    1,318
    Likes Received:
    0
    Yeah,someone over at the "other" forum said he had his pj connected to a power line conditioner with a 3 prong plug and the banding went away.
     
  6. David K.

    David K. Second Unit

    Joined:
    May 14, 2004
    Messages:
    260
    Likes Received:
    0
    i have vertical banding! and my projector is only 3 days old, what causes it? i never noticed it, then today as i was turning it off, bam! vertical shadows on the blue screen!

    Im using a monster 2000 hts mk 2 power conditioner, and i still get it, is it a projector defect, or is it due to interference?
     
  7. John S

    John S Producer

    Joined:
    Nov 4, 2003
    Messages:
    5,460
    Likes Received:
    0
    It is almost always a interference issue. Not always with power either. Strong EM sources can cause it too. And this is not just on projectors either.
     

Share This Page