IR Receiver - 3.5mm jack for Home theater Processor - diyAudio
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Old 24th March 2009, 04:38 PM   #1
JRace is offline JRace  Canada
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Default IR Receiver - 3.5mm jack for Home theater Processor

I have a Rotel RSP-1069 that I want to keep behind closed doors.
It has a "3.5mm IR receiver input" that I could use....if I could find one!

Anyone know where I could locate such a thing?

Thanks,
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Old 27th March 2009, 07:15 AM   #2
dangus is offline dangus  Canada
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This is what somebody in another forum suggested, but it doesn't seem to have a plug. Xantech may have more info on what you need to do that.

Or maybe you can just wire up an IR module salvaged from a dead VCR or DVD player.
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Old 27th March 2009, 06:11 PM   #3
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You can find IR receivers with 3.5mm plugs on e*ay for $20.

EXAMPLE
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Old 29th March 2009, 02:01 AM   #4
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Is it a stereo or mono jack on the Rotel? If it is stereo, Xantech has a model with a 3.5mm stereo plug, tip=IR, ring=GND, sleeve=+12V. I would suggest checking if the Rotel's jack has +12V across the sleeve and ring. If the sleeve and ring are shorted (i.e. a mono jack), then it is most likely an IR input jack, usually tip=IR, sleeve=GND. If this is the case, a connecting block will be needed to give power to the IR sensor.

- Richard
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Old 29th March 2009, 07:14 PM   #5
JRace is offline JRace  Canada
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No power, looks like I need a connecting block.

I have a salvaged 3pin IR receiver from an old VCR.

Any tips on what I need to supply power to get this working?
FWIW there is an available 12v trigger on the processor.
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Old 30th March 2009, 02:57 AM   #6
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The 3 pin IR receivers will remove the carrier frequency from the signal. If necesary, it can be re-inserted using an oscillator, such as a 555 timer. The attached diagram is one way to get you going. If the Rotel does not need the carrier, the circuit can be made much simpler.

- Richard
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File Type: pdf basic_ir.pdf (44.8 KB, 27 views)
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