Isolating television interference? - Fiberglass RV


Reply
 
Thread Tools Search this Thread Display Modes
 
Old 01-03-2018, 12:49 AM   #1
Senior Member
 
MK Evenson's Avatar
 
Name: mark
Trailer: ,Retro by Riverside RV
California
Posts: 270
Isolating television interference?

I have a television plugged in to a 110 V outlet in my Casita. I also have a King antenna amplified by my 100v outside plug. When watching tv I have found a visual disturbance when I have an interior light turned on. When the light is turned off the picture is clear. I suspect that I may need to isolate my tv and or
my antenna from the lights. Anyone know what I should do?

Mark
__________________

__________________
Former Casita owner.
If you have a choice, Please buy, "Made in America"
MK Evenson is offline   Reply With Quote
Old 01-03-2018, 02:11 AM   #2
Senior Member
 
John in Santa Cruz's Avatar
 
Name: John
Trailer: Escape 21, behind an '02 F250 7.3 diesel tug
Mid Left Coast
Posts: 1,740
thats a LED light? you might try wiring a 'bypass capacitor' in parallel across the power to the LED as close to the lamp socket as practical. use a electrolytic capacitor rated 20V or 30V, and as many microfarads as will readily fit in the space available, make sure you get the polarization right (+ lead of capacitor to + wire, - to -). yeah, if you have a lot of LEDs, you'll need a lot of capacitors. or just bypass the ones you'll use while watching TV.

if you move the antenna does the interference change?
__________________

John in Santa Cruz is offline   Reply With Quote
Old 01-03-2018, 05:28 AM   #3
Senior Member
 
librarianocnj's Avatar
 
Name: Gordon
Trailer: Casita Independence "Callimachusita"
Ocean City, NJ
Posts: 100
A few ideas. https://reductionrevolution.com.au/b...ference-emf-rf

Or you could just get a dollar store battery lamp for while you are watching TV. That’s what I do.
__________________
Gordon and Anne
2010 Suzuki Equator "Suzi Q"
2015 Casita Independence "Callimachusita"
Pod Puppies: Josie and Frankie, Casita Kittens: Madison & Razzel & Mrs. Chow
librarianocnj is offline   Reply With Quote
Old 01-03-2018, 06:07 AM   #4
Raz
Senior Member
 
Raz's Avatar
 
Name: Raz
Trailer: Trillium 2010
Vermont
Posts: 4,540
If you take a portable AM radio and go around your trailer, you will find electrical noise everywhere. Each light, your converter, your fan, any charge plugs. Each one contains a switching circuit that produces radio frequency interference. They are like little radio transmitters.

While a bypass capacitor (10 mf parallel with 0.01mf) might help if the noise is coming through the power line, most likely it's propagating through the air. You could try a different model light hoping it produces different harmonics or use a cheap bulb that uses just a resistor to bias the led. (No switcher, no harmonics) . When on shore power, use an incandescent. It will not produce noise but of course will use more power. Everything is a trade off. Good luck, Raz
Raz is offline   Reply With Quote
Old 01-03-2018, 10:36 AM   #5
Senior Member
 
MK Evenson's Avatar
 
Name: mark
Trailer: ,Retro by Riverside RV
California
Posts: 270
Quote:
Originally Posted by John in Santa Cruz View Post
thats a LED light? you might try wiring a 'bypass capacitor' in parallel across the power to the LED as close to the lamp socket as practical. use a electrolytic capacitor rated 20V or 30V, and as many microfarads as will readily fit in the space available, make sure you get the polarization right (+ lead of capacitor to + wire, - to -). yeah, if you have a lot of LEDs, you'll need a lot of capacitors. or just bypass the ones you'll use while watching TV.

if you move the antenna does the interference change?
John, WOW, I just realized how much I don't know about electricity!
And I thought it was going to be an easy fix

Mark
__________________
Former Casita owner.
If you have a choice, Please buy, "Made in America"
MK Evenson is offline   Reply With Quote
Old 01-03-2018, 10:38 AM   #6
Senior Member
 
MK Evenson's Avatar
 
Name: mark
Trailer: ,Retro by Riverside RV
California
Posts: 270
Quote:
Originally Posted by librarianocnj View Post
A few ideas. https://reductionrevolution.com.au/b...ference-emf-rf

Or you could just get a dollar store battery lamp for while you are watching TV. Thatís what I do.
Gordan, now that is a solution I can handle. Thanks.

Mark
__________________
Former Casita owner.
If you have a choice, Please buy, "Made in America"
MK Evenson is offline   Reply With Quote
Old 01-03-2018, 10:43 AM   #7
Senior Member
 
MK Evenson's Avatar
 
Name: mark
Trailer: ,Retro by Riverside RV
California
Posts: 270
Quote:
Originally Posted by Raz View Post
......

When on shore power, use an incandescent. It will not produce noise but of course will use more power. Everything is a trade off. Good luck, Raz
Raz, so simple, Thanks.

Mark
__________________
Former Casita owner.
If you have a choice, Please buy, "Made in America"
MK Evenson is offline   Reply With Quote
Old 01-03-2018, 12:46 PM   #8
Senior Member
 
Jon Vermilye's Avatar
 
Name: Jon
Trailer: 2017 Escape 21
Oswego, NY
Posts: 1,805
Registry
The easy solution if you want to use the trailer lighting fixtures is to switch to cheap LEDs that don't have a built in voltage regulator. That is the part that usually causes the interference, and it is difficult to eliminate.

If the LEDs that are causing the problem are listed with a voltage range (often 12V - 32V), replace them with a non regulated one, at least near the TV & antenna.

I've used LED panels like these as a replacement for incandescent lamps. Since they are unregulated, they don't cause interference. Even if you burn out one or two, at under $1.00 each, just replace them. You do need to buy as many as you expect you will ever need all at the same time since the batch they come from will likely disappear, and you won't find the same panel (or dealer) the next time you want to order.
Jon Vermilye is online now   Reply With Quote
Old 01-03-2018, 01:28 PM   #9
Senior Member
 
Name: bob
Trailer: Was A-Liner now 13f Scamp
Missouri
Posts: 2,739
raz ham friend of mine suddenly had a huge static noise in his rx. his solution take a small am portable radio and start riding the neighborhood. he found the source a bad pole transformer 1m away!


bob
k0wtz is offline   Reply With Quote
Old 01-03-2018, 01:38 PM   #10
Senior Member
 
Name: Darwin
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,078
Send a message via Yahoo to Darwin Maring
Use a candle.
Darwin Maring is offline   Reply With Quote
Old 01-03-2018, 04:57 PM   #11
Senior Member
 
Name: BARNEY
Trailer: CASITA
Georgia
Posts: 125
Turn the damned thing off and go out side!
BARNEYCONE is offline   Reply With Quote
Old 01-03-2018, 05:37 PM   #12
Senior Member
 
John in Santa Cruz's Avatar
 
Name: John
Trailer: Escape 21, behind an '02 F250 7.3 diesel tug
Mid Left Coast
Posts: 1,740
yeah, that. ain't gonna be no telebishun in my camping experiences. ugh.
John in Santa Cruz is offline   Reply With Quote
Old 01-03-2018, 07:58 PM   #13
Senior Member
 
Name: Michael
Trailer: Trail Cruiser
Alberta
Posts: 503
I've been camping for 40 plus years and never even thought of taking a TV with me.
Mike_L is offline   Reply With Quote
Old 01-30-2018, 12:08 PM   #14
Senior Member
 
DeadEyeDan's Avatar
 
Name: Dan
Trailer: 2017 Bigfoot 25B25RQ
California
Posts: 110
Seems like we had the same problem when we had our Casita.

It was an LED light, and maybe the one in the bathroom. Not every light did it, and not on every channel as I recall.

We just got a different trailer. Just kidding of course. I think we just turned off that light and used one that didn't cause the problem.
__________________

__________________
DeadEyeDan
2017 Bigfoot 25 Rear Bed (25B25RQ), Number Three
2017 RAM 2500 Cummins
DeadEyeDan is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Isolating the water heater tank on my ParkLiner frank_a Modifications, Alterations and Updates 14 05-08-2014 12:30 PM
Wireless Backup Camera Interference Problems Fran L Problem Solving | Owners Helping Owners 6 08-22-2013 02:32 PM
Jack Interference DonFromTexas Problem Solving | Owners Helping Owners 11 04-30-2012 07:52 AM
Cabinet Liners and Television Mount? stephanie reed Problem Solving | Owners Helping Owners 13 05-24-2011 03:19 PM
television cable Legacy Posts Modifications, Alterations and Updates 6 03-31-2003 01:32 AM

» Upcoming Events
No events scheduled in
the next 465 days.
» Featured Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 09:47 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.