20 Most Recent Onkyo TX-SR304 Receiver Questions & Answers

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What remote control code does the Onkyo TX-SR304 use?

1) Tap AUX2) Press & Hold Setup (1 then 2 blinks)3) Enter 30842 or 0842 (The remote should blink twice)4) Press & Hold Setup (1 then 2 blinks)5) Enter 994 (2 blinks)6) Tap Setup (1 blink)7) Enter "00051" (1 blink per number)8) Tap Power (not All On, just "power") (The remote should blink twice)9) Tap AUX10) Press & Hold Setup (1 then 2 blinks)11) Enter 30135 or 0135
4/5/2018 12:40:24 PM • Onkyo TX-SR304... • Answered on Apr 05, 2018
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Component video inputs 1 and 2 look very fuzzy, but DVD component doesn't, 720P

Hello, I am sorry for your issue. The audio inputs should not matter. It sounds like those inputs do have a problem. Please contact Onkyo at 800-2291687 option #3 so that we can troubleshoot with you and provide options. Thank you, Onkyo USA
7/6/2017 4:40:55 PM • Onkyo TX-SR304... • Answered on Jul 06, 2017
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Why do only half of my 16 speakers work throughout my home?

Your (5.1) receiver supports just 6 speakers. Left, Center, Right, Left Surround, Right Surround and Subwoofer. http://redirect.onkyousa.com/redirect.cfm?type=own_manuals&file=TX-SR304_En_0124.pdf
1/27/2016 1:30:34 AM • Onkyo TX-SR304... • Answered on Jan 27, 2016
manual
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Very low ouput from subwoofer preout

The problem was that some subwoofers (inluding my velodyne model) cannot process the LFE signals through the line level inputs on its amps, so the other way to run your subwoofer is to run the front left and right speaker outputs from your receiver to the speaker-level inputs on your sub, and then plug your front and left speakers into the soeaker level outputs on the sub. you have to set the onkyo receiver to "Subwoofer: No". that way the LFE signals are sent through the front speaker channels and you will get the same BASS output as if using the line-level input. O So yes it does require a bit more speaker cable, but it works fine now.
1/7/2014 11:47:58 PM • Onkyo TX-SR304... • Answered on Jan 07, 2014
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Remote wont work

you get better play back using an analog input like tape. the sound is true to form and better vocals and bass response.
1/6/2014 12:22:01 AM • Onkyo TX-SR304... • Answered on Jan 06, 2014
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New receiver....old CD, record and tape players

Most new recievers don't have a "phono" input. If your record player is an older kind without a built in preamp, you will need to purchase a Phono pre-amp (about $25) and then you can use any input you wish.
1/6/2014 12:19:34 AM • Onkyo TX-SR304... • Answered on Jan 06, 2014
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Receiver says center channel unavailable

It may be the surround mode you are in. Some modes do not use the center channel. Try changing to a pro logic mode, these will almost always use the center
1/25/2013 9:08:31 PM • Onkyo TX-SR304... • Answered on Jan 25, 2013
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Receiver Shuts down at 45 level

I was having a similar problem and I found that the positive and negative speaker wires were touching on the speaker connections made in the receiver.
9/11/2011 9:51:10 PM • Onkyo TX-SR304... • Answered on Sep 11, 2011
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