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Old 11-25-2018, 11:41 AM   #1
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TV's and sound system

I know RV systems are much different then house systems but I am going to use comparisons to help me understand how my RV is wired.

In my house I have the "scary closet" as my wife likes to call it, where I have all of my AV equipment. My receivers, amps, wifi hub, DVD player, and even a computer in there. I have 2 TV's, one in the living room and one in the bedroom, both will full in-wall surround sound. The way it is wired, I can use any source, but whatever source I use plays in both rooms.

In the new RV I have 3 TV's, one in the bedroom, one in the living room and one in the garage. Under the living room TV there is a sound bar and a "car" stereo. There are speakers in the garage on a on/off switch and outside speakers with a on/off switch. There is a blue-ray player between the sound bar and stereo.

From what I can tell, each of the TV's appear to have coax connections that all run to the wet bay. In the wet bay there are 3 coax inputs with labels for each TV location. Does this mean the TV's currently only get signal from this source unless something is directly plugged into the TV?

My RV has a built in roof antenna with booster but from what I can tell it is not connected to any of the TV's. There is a wall plate in a cabinet in the bedroom under where the antenna is located. There are 2 coax connections and a power switch. Is it possible that there is internal wiring taking it to the TV's?

What I would like to do is have a centralized AV system that is able to send audio/video out to all of the different areas. I would also like the 3 TV's to independently be able to revive OTA channels and play the sound directly from the TV.

Does such a system exist or do I have to re-wire my whole system? How does the "average" RVer use their entertainment system?
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Old 11-26-2018, 03:48 PM   #2
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If all your TVs are connected via coax, your basic problem IMO is that you can't send HDTV effectively via coax. My older MH has coax connecting the TV locations connected through what is affectionately called a "Box of Many Buttons", all of which is today unused because it's totally outdated.

We primarily use DirecTV and streaming for our video needs. DirecTV can be sent around an RV using wireless mini-clients so no cabling is needed. For streaming, each TV can have it's own Roku, Firestick, Chromecast, or Airplay so, again, no cables are needed. We don't bother with DVDs or Blueray players anymore.
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Old 11-26-2018, 09:37 PM   #3
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If all your TVs are connected via coax, your basic problem IMO is that you can't send HDTV effectively via coax. My older MH has coax connecting the TV locations connected through what is affectionately called a "Box of Many Buttons", all of which is today unused because it's totally outdated.

We primarily use DirecTV and streaming for our video needs. DirecTV can be sent around an RV using wireless mini-clients so no cabling is needed. For streaming, each TV can have it's own Roku, Firestick, Chromecast, or Airplay so, again, no cables are needed. We don't bother with DVDs or Blueray players anymore.
I was concerned with the lack of HD on coax.

I had not considered wireless devices for each unit. Firesticks are pretty cheap.
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Old 11-30-2018, 11:23 AM   #4
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Another approach is to use HD RF modulators.
Your sources become a channel on the RF network. It’s kind of expensive, $350-$500.

But no changes to coax network wiring.

Check out PVI instruments
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Old 11-30-2018, 10:57 PM   #5
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What I would like to do is have a centralized AV system that is able to send audio/video out to all of the different areas. I would also like the 3 TV's to independently be able to revive OTA channels and play the sound directly from the TV.
I installed a low-profile Marantz AV receiver connected to a DISH Hopper 3, BluRay DVD player, and an Apple TV. I also connected a 5.1 desktop speaker system to the AV receiver.

I have three TVs in my RV. They're all wired to my Hopper 3 using my RV's existing RG6 cable. This gives me HD video on all TVs, but 5.1 sound on just my living room TV.

Here's my installation diagram.


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Does such a system exist or do I have to re-wire my whole system?
I rewired, but wireless devices can make it much easier.


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How does the "average" RVer use their entertainment system?
From what I've seen on forums, most RVers keep it simple. If fact, a lot of RVers go to great lengths to preserve old, aging RV sound systems.

If your AV closet scares your wife, then you know what I mean.
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Old 11-30-2018, 11:03 PM   #6
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If all your TVs are connected via coax, your basic problem IMO is that you can't send HDTV effectively via coax.
Sure you can . . . using either DirecTV's Genie or DISH's Hopper, both of which use MoCA (Multimedia over CoAx).
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Old 12-01-2018, 08:06 AM   #7
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Sure you can . . . using either DirecTV's Genie or DISH's Hopper, both of which use MoCA (Multimedia over CoAx).

I doubt that his existing coax with it's Box of Many Buttons is going to be suitable for either of these approaches. I'd go with DirecTV's wireless clients rather than try the old coax.
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Old 12-01-2018, 10:32 AM   #8
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I doubt that his existing coax with it's Box of Many Buttons is going to be suitable for either of these approaches. I'd go with DirecTV's wireless clients rather than try the old coax.
Usually you're ahead of the technology curve, but not this time. Existing coax should be fine with MoCA devices. That's what it was designed for.
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Old 12-01-2018, 12:06 PM   #9
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Usually you're ahead of the technology curve, but not this time. Existing coax should be fine with MoCA devices. That's what it was designed for.
thanks for the info; it may come in handy for something I'm planning.
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