Question about Onkyo TX-SR304 Receiver

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

I want to program ComCast's 3 in 1 universal remote to control my Onkyo TX-SR304 receiver in the "AUX" position. ComCast's instructions have me use codes 30135 or 30842. The 1st one will turn the unit on...the second code will turn the unit off, neither will control volume. There must be a code that's out there that will allow ComCast's universal remote to completely control a SR304.

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  • Anonymous Feb 18, 2009

    Same exact problem.

  • Anonymous May 01, 2009

    The codes advised by Comcast fail to control the Onkyo Amp TX-SR304: code 30135 will switch it on, but will not switch it off, same, as far as I can tell with code 30482

  • HarryJarr May 02, 2009

    Same problem, except code 30135 turns the SR304 on AND controls the volume, while code 30842 only turns it off. Called Comcast: they said that Onkyo corp gives them the codes to use. Called Onkyo: they said they only have codes for their own remotes, and the codes Comcast uses were from them. Unlikely, because of the hundreds of codes needed for all sorts of devices. Maybe Comcast gets an IR pulse code sequence from the mfgrs, and figures out the codes for their remotes from that.

  • James Chco Jun 21, 2013

    onkyo tx-904 volume knob runaway

  • Bob Paszko
    Bob Paszko Dec 21, 2013

    What about an Onkyo TX-SR500 Audio Receiver? I tried the suggested solution to no avail.


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1) Tap AUX
2) 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 AUX
10) Press & Hold Setup (1 then 2 blinks)
11) Enter 30135 or 0135

Posted on Apr 08, 2012

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  • berg_travis
    berg_travis Nov 25, 2012

    OMG, this works!! After hours digging online for a solution, this is it! Thank you!

  • nilesh269
    nilesh269 Jan 05, 2013

    Thank you thank you THANK YOU. Wizard.

  • Bob Paszko
    Bob Paszko Dec 21, 2013

    Does the Onkyo TX-SR500 Audio Receiver use the same process?


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From: - only worked for me when I had AUX setup with 30135

Unlocking Volume Control For A Single Device (Individual Volume Unlock):

  1. Press a desired mode key where you want volume to be unlocked (e.g., AUX) and controlled within its own mode.
  2. Press and hold SETUP until the selected mode key blinks twice, then release SETUP.
  3. Enter 9- 9- 3 and then press VOL- once. The mode key will blink four times confirming unlock.
    If desired, repeat steps I to 3 (of this section) for each device that you want volume to be unlocked.
Now, after you select a device that has volume unlocked (e.g., AUX), pressing VOL , VOL-, or MUTE will control the device's volume only in its own mode.

Posted on Apr 15, 2009

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How to program remote control?

Your Onkyo TX-SR304 receivers remote (RC-645S) is not capable of controlling devices by other manufacturers. It controls only Onkyo devices.
Other Onkyo remotes do have universal remote functionality and you can download Onkyo remote codes here.

I hope that helps.
Download Onkyo TX-SR304 users manual here.

Mar 26, 2010 | Onkyo TX-SR304 Receiver


Download Onkyo TX-SR304 Manual

Download Onkyo TX-SR304 Receiver Users Manual


Have you misplaced your Pioneer Download Onkyo TX-SR304 Receiver Owners Manual?

Would you like a digital, searchable, pdf version of the Download Onkyo TX-SR304 Receiver Users Guide?

Follow this link to download a pdf version of the operations manual.

I hope that helps.

on Apr 20, 2010 | Onkyo TX-SR304 Receiver

1 Answer

I have a onkyo tx sr304 and a onkyo 6 disc player dx-c390.When my cd gets to disc 4 and 5 it shuts the receiver down.Whats up with this?

The only possibility that comes to mind is that it may be causing a short somehow when the carousel gets to that position, maybe a broken solder joint. Another possibility is that there may be a foreign object stuck inside the player such as another disc that lost it's position.

Feb 19, 2010 | Onkyo TX-SR304 Receiver

1 Answer

I need the remote control code (for onkyo receiver

Philips Blu-Ray player codes for Onkyo universal remotes are: 33007, & 33016.

You can download Onkyo universal remote codes with instructions here.

I hope that helps.

Jan 23, 2010 | Onkyo TX-SR605 Receiver

2 Answers

Need a code for my Comcast Universal Remote

30176 is the code you need . Press Aux and then hold setup until Aux lights up. Enter code. If you want the remote to control the receiver all the time, press Aux and then hold setup until Aux lights up. Enter 993 then press Aux. Aux will flash, now press Cbl and Aux should light up when you use the volume.

Jun 16, 2009 | Yamaha RX-V463 Receiver

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Dsp display on the 5.1 Onkyo receiver

Do you want to turn off the whole display?

There is a 3-way Dimmer on the front panel and the remote controller. The manual doesn't say if it will turn completely OFF.

Apr 03, 2009 | Onkyo TX-SR304 Receiver

1 Answer

Need codes for universal remote

Not sure if this helps, but I just called Onkyo with a request for codes for the SR304. They said the only codes they have are for THEIR remote. Maybe they will work with yours. Here they are:
0276 0476 0810 1187 1376.
I tried these in the Comcast remote (adding a 3 in front of the numbers) but that didn't work. Still trying to get my Comcast remote to program the Onkyo SR304 adequately, since their published codes only partially work.

Dec 30, 2008 | Onkyo TX-SR304 Receiver

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