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My set top box always hums audibly when it's plugged in. It's especially noticeable in the evening when the tv is off, but it is also annoyingly audible during quiet moments on a tv broadcast.
Do others have this problem?
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I have read in other forums where some have this same humming problem. I have had the same HD DVR STB for almost 2 years and it never hums or makes any nioses at all.
Make sure the box is properly ventilated, having 2 preferably 3 inches of clear space above the box. If it is out in the open or does have proper ventilation then you need to contact tech support and get the box replaced. It should not hum.
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Bjmitch
I would like to point out that improper grounding would not cause a stb to hum. Generally when the stb is making noises and such is due to the box not having proper ventilation. The fan in the box is most likely being over worked. This is the case with my DVR and Standard boxes. I have proped them up just a tad which allows a bit more air to travel through the box and the issue is resolved.
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@bjmitch wrote:
I have the same problem. Initial research indicates the Verizon equipment may not be properly grounded. I have attempted to contact Verizon about this but have not yet been able to spend the time neccesary to get past the automated help.
WHAT? Please explain what humming STB (not buzz on the audio) has to do with grounding? The "hum" from a DVR is usually a noisy hard drive which is never shut down (even when the power is "off" ) . Improper grounding (I assume you are referring to the articles about ONT installations) might (and I stress might) cause a buzz in the audio due to ground potential differences in the users equipment, but this is somewhat unlikely since most consumer equipment is not ground referenced (majority of equipment is 2 wire not 3 wire power from the wall).
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As stated above, the box needs breathing room. Do not cover the vent slots on the top and sides. However, most DVD players do not have vents on the top, so you can place the STB/DVR box on your DVD player.
The humming you hear is most probably the motor in the hard drive. I was able to eliminate much of the sound by cutting 4 small squares from a green 'Scotch Brite' scrub pad and placing the squares under each foot of the box. Use the type of pad that does not have a sponge attached.