My rca home theater reciever rt2760 seems to be

Check to make certain that your digital input setting is correct (optical, coaxial or analog)

If this is ok, try a soft reset. Unplug the unit and leave it sit overnight (completely drain the caps.)

Check all connections to the TV and speakers.

Do a reset.

1. Enter STANDBY mode.

2. Press following keys at same time: PRESET + and PRESET - and SURROUND DOWN to reset the unit.

http://www.usersmanualguide.com/

You can purchase one here http://www.replacementremotes.com/RCA/Buy-RT2760-RCR192AB1-273471-Home-Theater-system-Remote-Control.html

Visit the link below to download RCA RT2760 manuals:
http://www.retrevo.com/support/RCA-RT2760-Home-Theater-Systems-manual/id/404dj778/t/2/

First of all, any analog sound processor employed with a multichannel receiver will on;y function correctly for analog 2-channel sources. Second, it needs an opening in the audio path that allows it to get between the source and the amplifiers, commonly know as a Tape Monitor loop. There would be a Line Out and a corresponding selectable Line In that does not disable any other source. That way a seelcted source like FM would exit the unit, be processed, and come back IN for listening.

This receiver doesn't have that.

You COULD place the EQ between an external source and Line In if you want to Equalize one source for playback.

connect the cable correctly and select the home theater function to aux

try this

http://www.retrevo.com/support/RCA-RT2760-Home-Theater-Systems-manual/id/404dj778/t/2/

Her is a link to your RCA RT2760 Quick Start Guide.
http://www.voxxsupport.com/images/manuals/RT2760/media/RT2760_QSEN.pdf
And here is a link to your Users Guide.
http://www.voxxsupport.com/images/manuals/RT2760/media/RT2760_UMEN.pdf

have you tried infra red link?

1. Problem with Power supply unit
2. Problem with power amplifier unit.
Contact service centre