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Newsgroups: sci.engr.television.advanced, alt.video.digital-tv, rec.audio.pro, alt.tv.tech.hdtv, rec.arts.tv
From: Mark <makol...@yahoo.com>
Date: Thu, 17 Apr 2008 20:06:49 -0700 (PDT)
Local: Thurs, Apr 17 2008 11:06 pm
Subject: Re: TV problem - horizontal lines
On Apr 17, 9:40 pm, denn...@dennmac.net (Dennis M) wrote:
> Does anyone have an idea why very faint horizontal lines, spaced about 7 or horizontal bars that move slowly vertically are "hum" bars... they are > 8 inches apart and about a quarter of an inch thick, would move slowly up > the TV screen after a DVD is played? One of the lines is slightly darker, > followed by a line that's slightly lighter. After a while they eventually > go away but I'm wondering what causes this. The same problem has happened > on two different TV's so I don't think it's a defect in the set (or the DVD > player). 60 or 120 Hz interference and the TV frame vertical sync rate is 59.94 Hz. I have no idea why you are getting hum bars. Mark You must Sign in before you can post messages.
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