Colour fluctuations on Sony XBR CRT

Discussion in 'Displays' started by Brian Johnston, May 23, 2003.

  1. Brian Johnston

    Jan 29, 2002
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    I am hoping someone here can ease my concerns or help me determine what is wrong or what to do.
    Recently while watching TV (cable signal) I have noticed a strange colour fluctuation about twice an hour (no recognizable pattern or timing, just an estimate). It is difficult to describe, but basically the picture appears to have a wave of red and green pass over the screen, it usually only last a few seconds, and there is no other change in the picture. I am hoping that it is not a problem with the TV, but whatever it is I would like it to stop. Could it be caused by power fluctuations, or a weak cable signal? I live in a high-rise condo, so power fluctuations are common, but have never caused a problem before (been in the same place for over a year). I recently had a HDTV cable box, which I demoed for 2 months, but I returned it about 3 weeks ago. Last night I had the PIP on and noticed the effect, but it only appeared in one of the pictures. I left the TV unplugged last week for a while in the hopes that it would reset something, but the problem persists. I think my next move is to call the cable company, but I would love to hear any other thoughts, suggestions or similar experiences.
  2. Grant B

    Grant B Producer

    Mar 29, 2000
    Likes Received:
    the power could be the problem
    last year i was having problems until i bought a ups and they went away
    how much do you have on that circuit? 20amps is nothing with big amps and a crt tv.

    most ups are made for computers and have features you dont need. Tripp lite i found had ones suitable for HT
    good luck

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