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Topic:
overpowering IR receiver again, this time with rf extender...
This thread has 5 replies. Displaying all posts.
Post 1 made on Friday February 14, 2003 at 14:21
asinsh
Long Time Member
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November 2002
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I've had a lot of trouble with my IR distribution system -- a xantech -- in my home theater setup.

I finally got things pretty dependible by using the trick of putting a few layers of masking tape over the xantech receiver (as many posts have suggested), and that allowed me to finally control things pretty dependibly so long as I was more or less pointing at the receiver. But my wife really pushed me to fix things so we wouldn't have to point at all, so I got myself an rf remote (urc 9910, which I will eventually use to upgrade a RS2116).

Anyway, I'm back to square one in making this dependible. If I put the Xantech receiver right on the rf transmitter (or on the rf transmitter extender), it clearly overpowers the xantech, and I haven't been able to find the right mix of tape to get this to work reliably.

Is the real solution to perhaps throw a resistor in series with the xantech receiver or the rf transmitter extender? Anyone else have this problem?

Alan
OP | Post 2 made on Saturday February 15, 2003 at 05:44
asinsh
Long Time Member
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November 2002
48
Hey, how about this...can I skip the enitre xantech ditribution thing and instead plug my 6 emitters in parallel into the micro plug outlet of the 9910 rf receiver where its ir extender emitter ususally goes?? Or maybe in series? Or maybe some in parallel and some in series to hold the overall resistance more or less constant?

Alan
OP | Post 3 made on Saturday February 15, 2003 at 06:16
asinsh
Long Time Member
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Or alternatively, can I feed the micro plug output of the rf receiver into the ir receiver input of the xantech block? If so, which connectors are which on the 9910 rf receiver microplug output?
Post 4 made on Saturday February 15, 2003 at 16:13
scottedge267
Advanced Member
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February 2003
790
I've had a lot of problems with the 9910 unit myself. Channels jump 10 or 15 stations at a time and volume does the same thing. tape didn't really remidy my problem. Sorry couldn't help. Read about your 2116 to 2117 project, interesting.
Post 5 made on Saturday February 15, 2003 at 16:28
edmund
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April 2002
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On 02/15/03 06:16, asinsh said...
Or alternatively, can I feed the micro plug output
of the rf receiver into the ir receiver input
of the xantech block? If so, which connectors
are which on the 9910 rf receiver microplug output?

The base unit for the 9910 uses a 3/32 plug. Most repeaters use a 1/8 plug.

This message was edited by edmund on 02/15/03 20:45.
OP | Post 6 made on Sunday February 16, 2003 at 08:21
asinsh
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November 2002
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On 02/15/03 16:28, edmund said...
The base unit for the 9910 uses a 3/32 plug. Most
repeaters use a 1/8 plug.

Even someone with as modest an ability at soldering as I have can get around that one ;)

I'm guessing that I can remove the dc power from the connecting block, plug the emitter output of the rf receiver into the IR receiver signal and ground input of the connecting block (I'll just snip the emitter itself off of its wire so that I'll have a micro plug (3/32) with wire that I can strip and use) and use the four emitter outputs from the connecting block to control my equipment; based on what I see from my voltmeter, it appears that the four emitters on the connecting block are in parallel and are tied to the receiver signal and ground input terminals (with a 480 ohm resistor between the signal input and the signal output). This should work better than trying to send an ir signal out of the rf receiver station into an ir receiver running into the connecting block.

Unfortunately, my 2117 is back on the fritz (soldering skills strike again), so I think I'll wait until the 2117 officially comes out before continuing this experiment (especially since the wife isn't complaining about the ir setup anymore).

Alan


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