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Topic:
Interference/Unresponsiveness w/ MX-3000
This thread has 3 replies. Displaying all posts.
Post 1 made on Monday October 29, 2007 at 13:25
spec
Founding Member
Joined:
Posts:
August 2001
54
My parents just redid their family room A/V set up. They got a MX-3000 to control everything (via RF) but are having interference issues. The complain that when they press a button sometimes it works, sometimes it doesn't. I don't live nearby and I'm not familiar w/ the MX-3000, being a Pronto guy myself, and only IR at that. I don't really know if their installer knows what he's doing so I'm hoping maybe some of you here have some ideas.

The equipment used is:

Sony 46XBR4 TV
Onkyo SR-605 Receiver
DTV H20 box
Philips DVP 5982 DVD player

Could any of these be creating the interference?
Post 2 made on Monday October 29, 2007 at 18:18
Darnitol
Universal Remote Control Inc.
Joined:
Posts:
June 1999
2,070
The first thing to look at is placement of the RF Antenna. If it's sitting on top of the components, you've probably already found the problem. Just move it. It's got a nice long cord for this very purpose. :-)
I'm a member of the Remote Central community, just like you! My comments here are my own, and in no way express the opinions, policies, or plans of Universal Remote Control, Inc.
Post 3 made on Tuesday October 30, 2007 at 09:30
wire pulling monkey
Long Time Member
Joined:
Posts:
August 2005
100
Thats one of the main issues with the URC line...RF interference. They have been trying to improve it and getting better. Try moving the Antenna and make sure the ID is not on 0, also search the threads in the other URC forum at the top of the page, there are several things other people have done to modify the RFX antennas to make them work correctly

We fixed several systems by replacing them with a different brand that works

several people have found that installing a RF choke on the antenna has cured the problem, and others have gone in and modified the antenna boards with capacitors.

I think just moving the antenna will cure 90% of the issues your having
I can get 7 RG6 cables and 5 Cat 5e wires in a 1" hole and I saved a ton of $$$ by switching to GEICO www.geico.com
Post 4 made on Tuesday October 30, 2007 at 12:44
bobli
Long Time Member
Joined:
Posts:
December 2002
263
The most important consideration is which antenna they're using. Is it the RFX-150 or RFX-250. Basically the RFX-150 is loaded with problems (interference from all kinds of things) and the RFX-250 isn't. The newer RFX-250 uses narrowband transmission and can only be used with MX-3000's manufactured on 04/01/05 or later.

I initially used an RFX-150 with the MRF-300 and had nothing but problems. Varying placement of the antenna helped a little but never really solved the problem. I tried the ferrite cores but again only minimal success. I got the newer antenna and put it right in the middle of my equipment rack to see how it performed in the worst possible location and it worked perfectly. At least 99% success. Don't screw around with the RFX-150 if their MX-3000 has the narowband transmission capability (based on the manufactured date).


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