Sony BRAVIA KDL-40V2500 40 in. LCD HDTV Logo
Posted on Nov 25, 2008
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Periodic tv screen blackouts

I experience periodic screen blackouts on my one year old Sony LCD tv. The tv is connected by HDMI cable to a cable box with built in DVR.
The blackouts only last a second or two and are very intermittent. I have gone several weeks without experiencing any, and have had some nights where I experience several within a 5-10 minute period. I have changed cable boxes, changed HDMI cables, and switched to the second HDMI input on the back of the tv. I have never experienced the problem when viewing a DVD. Also when it happens while watching live tv if I immediately rewind the recorder and view the same program segment again the blackout does not occur.

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  • jcatlin1 Nov 26, 2008

    Thank you. I just hooked up the tv to the component outputs and we'll see what happens. I hope you are right.

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  • Posted on Nov 26, 2008
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The problem is your cable box. I know you said you replaced it, but I work on TV's everyday and, sorry to say this but cable box HDMI outputs have serious issues, like no or intermittent sound and video. I have seen customers exchange their cable boxes 5 and 6 times and still have the problem. Your best bet is to use the component outputs of your cable box, visually you will not see a picture difference between component and HDMI when using a cable box. Your other solution is to get satellite; I have NEVER seen an HDMI issue with a satellite box

  • Anonymous Jan 23, 2012

    I have satellite box connected via HDMI cable to LG LCD TV and I hav esame problem. In 20-30minutes periods, screen blackouts for a second. I have replaced the satellite box and problem still occurs. I dont want to replace TV, TV is 1 year old, satellite too. Can more expensive HDMI cable solve the problem? Thanks

  • Anonymous Jan 23, 2012

    I have satellite box connected via HDMI to LG LCD TV. I have same problem. In 20-30minutes periods, screen blackouts for a second. I have replaced the satellite box and the problem still occurs on the new box. I dont want to change TV, it's 1 year old. WIll more expensive HDMI cable solve the problem? Thanks

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