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10-01-2012, 11:57 AM
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#1
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Senior Member
Join Date: Jul 2010
Posts: 7,948
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Lose TV signal when running Microwave
This is one for the books and I have verified it in front of many others.
This has been going on from day one.
When I'm recieving my TV signal from my rounds Digital antenna in my 2012 Georgetown all is great. Clear channels etc.
When my DW uses the Magic Chef microwave I lose the actual TV signal and the TV goes blank on the screen. When the microwave goes off the signal returs and all is well. This happens on all channels.
I have tested the microwave for RF leakage using a flourescent tube and it doesn't show any leakage.
Now I can hear the wheels turning trying to figure this one out.
My guess is the magnatro tube in the microwave is leaking and interferring with the TV circuit board and some how stopping that signal.
Anyone else want to guess what is causing this?
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10-01-2012, 12:49 PM
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#2
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,959
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Iggy, is the microwave and tv (or a powered antenna) running on the same ac circuit? Also have you checked the wiring from the antenna to the television for any loose connections or possibly broke shielding (in coax) that may be allowing EMI (electromagnetic interference) to seep in?
Electromagnetic interference - Wikipedia, the free encyclopedia
__________________
 2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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10-01-2012, 12:51 PM
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#3
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Senior Member
Join Date: Jul 2010
Posts: 7,948
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Quote:
Originally Posted by wmtire
Iggy, is the microwave and tv (or a powered antenna) running on the same ac circuit? Also have you checked the wiring from the antenna to the television for any loose connections or possibly broke shielding (in coax) that may be allowing EMI (electromagnetic interference) to seep in?
Electromagnetic interference - Wikipedia, the free encyclopedia |
The antenna and booster runs off of 12 volt DC and TV off of 120 volt AC so no coralation there. I have checked the coax and all is good.
Really weird huh.
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10-01-2012, 12:53 PM
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#4
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Phat Phrog Stunt Team
Join Date: Apr 2012
Location: Tipp City, OH
Posts: 7,154
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Could it be something more simple? Have you tried using a different input source? Cable hookup? Maybe it's more of an electrical issue than a microwave issue. Try running an extension cord from another outlet to tv.
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2016 Georgetown 364TS
2017 Jeep Rubicon Recon toad
Nights Camped 2019 - 17
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10-01-2012, 01:19 PM
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#5
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Senior Member
Join Date: Jan 2011
Posts: 2,106
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Maybe your Microwave is leaking and disrupting the signal.
I remember when microwaves first came out. It was more entertaining to watch food get nuked that watch MacNeil/Lehrer .
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Terry/Bernadette Lily the Yorkie 2019 Dodge Ram Sport 1500 2019 FR Vibe 28RL
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10-01-2012, 07:56 PM
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#6
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Senior Member
Join Date: Jul 2010
Posts: 7,948
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Here is the reply from Magic Chef when I discribed the condition.
FROM Magic Chef
Microwaves use a RF signal to heat food, and it is not uncommon for other items also using radio signals to experience interference, such as television stations. The issue is usually a shielding issue somewhere between the television and the antenna.
Thank you,
Ray
MC Appliance
777 Mark St.
Wood Dale, IL 60191
PH: 888-775-0202 ext. 2863
Fax: 630-616-2226
www.mcappliance.com
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10-01-2012, 08:29 PM
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#7
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Senior Member
Join Date: Oct 2011
Posts: 278
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Iggy,
Be careful, that RF energy can lower your sperm count. 
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10-01-2012, 08:33 PM
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#8
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,959
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Quote:
Originally Posted by Iggy
FROM Magic Chef
The issue is usually a shielding issue somewhere between the television and the antenna.
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Hmmm, maybe I should send Magic Chef a bill for my consulting fee. LOL
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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10-01-2012, 08:34 PM
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#9
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Senior Member
Join Date: Jul 2010
Posts: 7,948
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Quote:
Originally Posted by Hob
Iggy,
Be careful, that RF energy can lower your sperm count. |
Save on surgery and cost for a vesectomy. 
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10-02-2012, 07:47 AM
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#10
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Senior Member
Join Date: Jun 2011
Location: Jamestown NY
Posts: 588
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IGGY; don't feel like the lone stranger, my microwave does the same thing, and to a lesser extent it will sometimes happen when the bathroom exhaust fan is turned on. My guess it's also due to the newer digital signal.
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2012 Winnebago "Journey To Insanity" 40U
2008 Dakota Sport 4x4
2004 Subaru Baja - DW's
2006 Honda Shadow Aero - TOAD for now.
F.R.O.G. member
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10-02-2012, 08:40 AM
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#11
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Pop your Popcorn,then turn on the TV! Wait for commercials for refills! Youroo!! 
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10-02-2012, 10:14 AM
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#12
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Senior Member
Join Date: Jul 2010
Posts: 7,948
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Quote:
Originally Posted by lindy
IGGY; don't feel like the lone stranger, my microwave does the same thing, and to a lesser extent it will sometimes happen when the bathroom exhaust fan is turned on. My guess it's also due to the newer digital signal.
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I have a newer type digital omni-directional antenna.
Winegard RoadStar RS-2000 Omni-directional.
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10-02-2012, 10:51 AM
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#13
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Senior Member
Join Date: Jun 2011
Location: Jamestown NY
Posts: 588
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We have the "Jack" replacement head antenna.
__________________
2012 Winnebago "Journey To Insanity" 40U
2008 Dakota Sport 4x4
2004 Subaru Baja - DW's
2006 Honda Shadow Aero - TOAD for now.
F.R.O.G. member
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