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Old 01-23-2021, 06:51 PM   #1
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2019 28' International
Murphy , Texas
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Auto Programing TVí

19 International signature 28í. I used auto program to receive local channels. The TV in main area gets almost 50 plus channels and the TV in bedroom only gets 25 channels. I tried several times to program the TV but same occurs. They should get same Chanelís since we are using the DTV antenna. Any thoughts??
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Old 01-23-2021, 07:55 PM   #2
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2019 25' International
Providence , Rhode Island
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I assume they are both set to "air" and not "cable" when you are doing the scan?
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Old 01-23-2021, 08:11 PM   #3
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If everything else is set the same, then I'd look for a poor connector with significant signal loss either at the splitter after the amplifier or back to the bedroom. A cable or satellite service person could find the issue but you may get a cable signal strength meter and try yourself.
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Old 01-23-2021, 10:50 PM   #4
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In my trailer antenna goes to main area then to bedroom. It's possible extra wire length could cause loss of marginal channels.
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Old 01-24-2021, 07:22 AM   #5
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If the ends are done correctly so the impedance is matched, short cable runs have minimal losses and attenuation compared to the connectors. Look at the connectors first.
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Old 01-24-2021, 08:17 AM   #6
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Quote:
Originally Posted by BayouBiker View Post
If the ends are done correctly so the impedance is matched, short cable runs have minimal losses and attenuation compared to the connectors. Look at the connectors first.
Took the words right out of my mouth.

The other thing also could be the QCAM settings in the lesser TV. Not sure if they can be adjusted or not.

I do know that both of my TVs tune identically from what we've seen in bad areas......so I also suspect a loose or bad cable end may be suspect here.
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Old 01-24-2021, 08:36 AM   #7
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Are they the same brand/model TV?
A quick test would be to swap the antenna leads and scan again, to see if the living room set loses channels in the bedroom or vice versa.
I don’t know how long your antenna leads are, or how the TV’s are mounted. On ours, four screws releases the sett from the mounting arm.
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Old 01-24-2021, 09:46 AM   #8
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McHenry , Illinois
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Jkreis, Iím with BayouBiker and kittmaster on this.

While camping last summer at a site with cable our picture was terrible. The campground manager came by with his Fluke meter to test the signal at the pedestal. It was within specs so he put his meter on end going to the TV. It was well outside specs. He had me run a cable direct from the pedestal to the TV - perfect picture.

That tells us the problem is inside the trailer. At some point Iíll try and replace the cables and connectors inside the trailer. I suspect this is also why we have poor over the air reception with the amp turned on.

Itís a shame Airstream doesnít spend an extra dime on the quality of cable, connectors and installation since once the furniture goes in, you cannot service it.

You could experiment by running a tested good cable from the coax connection in the front to the bedroom TV and re-run the scan. If it improves, itís cable or connectors.

Good luck and let us know what you found!
Jeff
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Old 01-24-2021, 10:48 AM   #9
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Quality of cable and connectors are generally not the issue. It could be the initial connection quality or the durability due to vibration on the road or use damage. Let's not be too quick to blame Airstream unless we have the facts that point to component selection, cable route design or installation.
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Old 01-24-2021, 11:17 AM   #10
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Brian, I’ll let you know what I find once I get into the wall and find the problem. I spent many hours wiring racks in data centers and know how easy it is to miss a connection. That’s why you test each after crimping / connecting.

I really doubt Airstream does a end to end cable test before they install the furniture. If they did I’d feel much better about what’s in the walls. I’ll be glad to say it’s just a loose connection if that’s what I find.
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