I suspect my audio receiver is interfering with my TV antenna.

JDBarrow

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Pleasant Hill, Iowa
As a cable-cutter, I have an indoor television antenna for digital broadcasts. It has a signal booster as well. I live in an apartment and that is my only option for a TV antenna. I have a Marantz "networking" audio receiver (Model NR1200) with Wi-Fi connectivity. I suspect that RF transmission from the receiver's Wi-Fi hardware is causing TV reception issues. When the audio receiver is turned off, TV sound reception (from the TV's own built-in speakers) and picture reception is much better. I was trying to amplify TV sound through the home stereo system. The sound would intermittently cut in and out and the screen would pixelize.

Nowhere in the manual are instructions to disable Wi-Fi. I was hoping for a way to set my audio receiver to emit no RF whatsoever.

How does one set up the Marantz network audio receiver like I have so as not to interfere with TV reception when operating? Would removing the two Wi-Fi antennas from the back of the receiver help?

Incidentally, when the Windows 11 PC next to my TV is on or even in Sleep mode, I get broadcast TV interference as well. I have to shut the computer completely down while watching broadcast TV so as not to cause reception trouble. The computer must still be emitting RF of some sort even while in Sleep mode.
 
Probably won't help you since you are in an apartment but, keeping anything but an audio system right next to and plugged into the same circuit that also includes refrigerators, florescent lighting and more, will cause some level of interference in your audio system.

If you unplug everything accept the Marantz and a CD Player, does it sound better?
 
Are you able to move the antenna away from the equipment more? I use an indoor antenna similar to yours. The one in the bedroom will blank out the picture when a car goes by. The strangest thing.

I really doubt removing the Wi-fi antenna will help but I suppose anything is worth a try. I think I'd try different positions for the antenna.
 
Are you able to move the antenna away from the equipment more? I use an indoor antenna similar to yours. The one in the bedroom will blank out the picture when a car goes by. The strangest thing.

I really doubt removing the Wi-fi antenna will help but I suppose anything is worth a try. I think I'd try different positions for the antenna.
The antenna is already in its optimal position for TV reception without the audio system powered on.
 
Probably won't help you since you are in an apartment but, keeping anything but an audio system right next to and plugged into the same circuit that also includes refrigerators, florescent lighting and more, will cause some level of interference in your audio system.

If you unplug everything accept the Marantz and a CD Player, does it sound better?
There is nothing wrong with the sound of the audio system itself. The audio receiver is screwing TV reception up, however.
The audio receiver itself is not the victim of any kind interference but rather the suspected perpetrator of interference (pixelization) upon the television broadcast reception.

Does any Marantz audio receiver expert here know how to entirely disable Wi-Fi transmission from the receiver itself?

I can't enjoy watching football games except with the sound portion coming from the puny built-in TV set's speakers.


Side note: I am able to enjoy DVD or BD movies with the sound portion through the Marantz audio system without any interference of any kind whatsoever. In fact, leaving the TV speakers enabled improves things now while movie sound is also heard through the Marantz system. I had been playing DVD and BD moves with the TV speakers disabled but had a hard time hearing people in the film talking while, by the same token, the film music was much too loud. I had to constantly turn the receiver up to hear people in the movie talking but down again when a loud music passage was occurring in the film. I've discovered that by leaving the TV speakers on, dialog in movies is much crisper and easier to understand. The TV speakers, like a surround center channel front speaker, make the words sound like they are coming directly from the mouths of the people on the TV screen. I can adjust the volume of the audio receiver and TV set independently with the remote clicker for each. This way I can fine tune the loudness of dialog and music both. I can have the TV speakers loud enough to hear dialog but have the receiver volume low enough at the same time so music is not blaring. No more fiddling with the volume between dialog and music passages. The audio receiver attenuates the lower pitched sounds while the TV speakers attenuate crisper higher sounds and human speech. The DVD player is connected to the TV via HDMI cable while the TV set is connected to the Marantz via digital optical audio cable.
 
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Have you tried plugging TV or Marantz into a different circuit. Extension cord from another room maybe?
That is not convenient and it is not elegant. Pulling the little dual Wi-Fi antennas off the back of the audio receiver did in fact help a bunch!! My FOX channel and NBC is still bad whether the receiver is on or off but channels with good reception are no longer interfered with by any RF emissions from the Marantz receiver powered on. Any wireless signal emissions are now much too weak. There is too much high tech crap in TV and stereo these days. I miss the days when basic cable was $25 a month and using the Radio Shack ArcheRotor aerial by Tandy Corporation on the rooftop was free.
 
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That is not convenient and it is not elegant. Pulling the little dual Wi-Fi antennas off the back of the audio receiver did in fact help a bunch!! My FOX channel and NBC is still bad whether the receiver is on or off but channels with good reception are no longer interfered with by any RF emissions from the Marantz receiver powered on. Any wireless signal emissions are now much too weak. There is too much high tech crap in TV and stereo these days. I miss the days when basic cable was $25 a month and using the Radio Shack ArcheRotor aerial by Tandy Corporation on the rooftop was free.
I still use a roof antenna and rotor. Never paid for TV in my life and now 63 so all that money people waste is in my retirement account :)

I only asked you to test using other un-related outlets as a "Troubleshooting" step. And yes, there is too much crap in TVs and hokey receivers and that is why most here have dedicated listening systems but still use streaming services. When you purchase a higher end unit, it is more geared towards audio only in most cases.
 
I still use a roof antenna and rotor. Never paid for TV in my life and now 63 so all that money people waste is in my retirement account :)

I only asked you to test using other un-related outlets as a "Troubleshooting" step. And yes, there is too much crap in TVs and hokey receivers and that is why most here have dedicated listening systems but still use streaming services. When you purchase a higher end unit, it is more geared towards audio only in most cases.
I was never aware that electrical outlets could be a source of reception trouble for TV sets. Back before most Americans ever heard of "Walmart", there were mom and pop TV and stereo stores. People had TV sets and stereos in their homes. The typical home stereo had a phonograph, radio and tape deck in a single unit with a pair of speakers. Many businesses (including delicatessens) would have a tuner-amp or receiver and a pair of speakers to play music from local broadcast radio. My grandmother had a Motorola stereo phonograph that folded up like a suitcase.
 
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