Facing TV Problems? Ask a TV Technician.
Hello My name is ***** ***** I'll be helping you with this.A few questions coming up and please note that there may be delays between replies if i have to gather various info ;Please send me a hello so i know you can see my reply ?
This is a cable box problem , not the signal or the tv but the box itself if changing channels does it
Try to reboot it by pulling its power cord a few minutes but ultimately you may need to have it replaced if this keeps going on .
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Hi my name is ***** ***** ill be assisting you today. I was a cable technician for 10 years with Bright house networks, time warner/spectrum and AT&T, just to give you a little background of myself. If you have had a cable tech come out and check to make sure that all signal levels are passing at all of your set top boxes, then one other thing it could be is that there is noise getting into your cable system or there is noise on the plant that is feeding into your house. Another thing that it could be is depending on what type of coax you have running in the house, either RG59 or RG6, can make a difference on how those signals are transmitted. If you have 59 line in your house and it doesnt have the proper fittings on the cable, that could also generate the problem. Do you know what kind of wiring you have in your home for the 3 outlets? Also, do you know if all your cable outlets come together in one location (ie the box outside or in the attic).
if you have the original cable in the home and you don't think that it has ever been changed, it is more than likely going to be rg59. If you have a way of taking a faceplate off the wall and taking a picture of the cable that is connected to the back of it, I could confirm that for you.
As for noise, yes, it could be coming from many things. Fluorescent lighting, bad grounding in the house, electronic devices that kick on and off during different times of the day, which again goes back to the electrical wiring. This also goes along with the coax wiring of the house too. If you have the original rg59 line in the house, the shielding on the cable is not up to industry standards as it would be if the house was ran with RG6.
As for heat, it does have some impact on the cable, not so much in inhibiting the signal from flowing properly but changing the length of the cable which a longer cable will diminish the signal or cause an issue.