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Chuck Williams
Chuck Williams, Technician
Category: TV
Satisfied Customers: 3810
Experience:  Over 25 years of experience servicing AV electronics to component level, ISF and THX Cert.
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What causes an intermittent picture/sound break up on my TV.

Resolved Question:

What causes an intermittent picture/sound break up on my TV. It is a 46" LCD model # XXXXX SERIAL #ALXK3CPQ515517Y. It is connected to Motorola DVR via a HDMI cable. Parts of the picture become pixelated and looses audio. This last about 1 - 5 seconds but occurs around 5-10 times during an hour show.
Submitted: 6 years ago.
Category: TV
Expert:  Chuck Williams replied 6 years ago.



I doubt it's the TV. You're using a hi def cable TV set top box, correct?


The next time this happens, if you can do it quickly enough, press the MENU button on the cable remote to bring up the cable box guide. Usually, on most systems, the guide comes up with the TV picture you were watching in a small window on upper right corner.


What I suspect you'll see is that the guide comes up clearly while the small TV picture is doing its pixellating thing. What that tells you is that the TV is OK, and that the problenm is being caused by a poor cable signal coming into the cable box.


And if that's what's happening, you need to have your cable company come out and troubleshoot this for you.


Let me know if you have any other questions, and thanks for using JustAnswer!



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