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RCA model RT2870

When I connect both my TV and computer to the receiver I get a bad buzzing noise. However, if I disconnect either the TV or computer, then the noise stops. What am I doing wrong?

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You need a rf choke u can guy it at radio shack... same with mah surround sound but i dont have a rca one... its logitech its just the RF goes straight threw the wire it sux i catch the spanish radio lol... but u need a RF choke its like a plastic cylinder u snap on the wire to elimate static...

Posted on Mar 15, 2009

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How to connect the RT2870 to the pre amp out ?


Since the RT2870 doesn't have and preamp outs, to WHAT are you referring?

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/RCA-RT2870-Home-Theater-Systems-manual/id/23608dj493/t/2/

Any external device that provides a fixed or variable (preout) Line Level signal could feed either of the RCA

Mar 30, 2011 | RCA RT2870 Theater System

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The system makes a loud buzzing sound that sounds like a motor spinning rapidly inside the unit. sometimes sounds faster than others. noticed more frequent if system or even room temp is cold. is this...


I have a same exact problem in my RT2870. This is probably one of the cooling fans going bad. Does anyone know where to get the replacement fan and/or how hard would it be to replace it?

Feb 13, 2011 | RCA RT2870 Theater System

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Problem with RCA RT2870, when connected to ps3 with optical cable (ps3 optical brand new) I would turn on the ps3 and when a game loads, and the audio on the receiver shows that it changes from Dolby Pro...


Hello,
It sounds like you probably have a broken optical cable. Optical cables are made of glass and are quite fragile. You have to be very carefull to not bend it or smash it. Try connecting another optical cable, or you can also revert back to the stereo analog plugs to eleminate the possibilty of having a bad receiver.
Good Luck

Jan 07, 2011 | RCA RT2870 Theater System

1 Answer

I have an rt2870 and am just wondering where i connect the yellow subwoofer cord to the TV at, and i set my tv setting for the surround sound


You shouldn't connect the subwoofer to the TV. Just connect the Right and Left audio cables (red and white RCA plugs) to the TV audio out and then the other side goes receiver's audio in. If you are using the subwoofer that came with the unit, connect it to the sub port (purple and grey or black striped). The red and black striped cable goes to the subwoofer control.

If you are using another active subwoofer, connect it to the RCA jack labeled Subwoofer Audio OUT.

If you have a 3-plug RCA cable that is a composite video cable. The yellow plug carries the video, the red and white carry the audio signal. This cable is most often used for connecting older VCRs and game systems to a TV (or newer devices to an older TV). Thus leave the yellow jack dangling if using it for an audio cable.

Set your TV to use the external audio speakers and the receiver will take care of the signal to the subwoofer. (You only would connect the speakers individually for a computer sound system.)

I hope this helps.

Cindy Wells

Sep 19, 2010 | RCA RT2870 Theater System

4 Answers

I tried hooking up the xbox360 to the rca rt2870r model with an optical cable and when i switch the setting on the 360 to dolby 5.1 i just get loud buzzing... i tried different xbox's, cables, everything....


hey im having the same problem but with my PS3....did you ever find a answer for this i just got my RT2870R today so i need to know if i need to take it back please get back to me!

Dec 02, 2009 | RCA RT2870 Theater System

1 Answer

When I turn my unit on, it will turn itself off in a few second.


have you checked to see if any of your speakers are shorted out? the rt2870does have a self protection system in place such that if theres too much power being drawn from the system or if a short occurs it will shut off. or the switch that powers the sub may have gone bad so try disconnecting the sub and see if that helps. i have the same system and i had the same problem and i had to replace the onboard sub-woofer power switch.

Mar 15, 2009 | Audio Players & Recorders

1 Answer

Loud sound, No TV Picture


Power supply needs to be replaced - common problem with these tv"s

Sep 18, 2008 | RCA 32F531T 32" TV

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Theres no sound coming out-does this package have all the wires or do i have to purchace more? rca souround sound system ,model rt2870


i dont know if you have found a solution yet but this is what i did i bought a optical digital audio cable that is supposed to connect to your direct tv reciver but you connect it to your tv and to the rca and there will be sound

Aug 24, 2008 | Audio Players & Recorders

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