Question about Onkyo TX-SR703 Receiver

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Onkyo TX-SR703 sub problem

Hi, Have you fixed this??? Seems to be a common problem on this Reciever.. Email me at


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What we wound up doing was ensuring that the LPF setting was the same on the receiver as on the sub... that cleared up our problem

Posted on Apr 05, 2009


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Posted on Jan 02, 2017


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Hi Arthur,

First of all, thank you for purchasing the Service/Repair Manual of Onkyo TX-SR804.

Please email me at I will send to you the copy. It is a PDF file format and can't be uploaded here.

Again thank you so much!

Take care and have a great day!

Ratings and feedback are highly appreciated!

Kind Regards,


Feb 11, 2012 | Onkyo TX-SR804 7.1 Channels Receiver

2 Answers

Onkyo TX DS575x reciever remote problem

You might try this replacement

Nov 17, 2007 | Onkyo TX-DS575 Receiver

1 Answer

Hi there, I have been experiencing problems with my Onkyo TX-SR 703e receiver. Lately, the volume from my right font speaker appears to be lower than usual. i.e. as if there is something blocking the...

Manual is here

Assuming you are in the USA
ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650

probably a bad capacitor

Look here

Nov 07, 2017 | Onkyo TX-SR703 Receiver

1 Answer

Where is the hdmi cable on the tx-sr703

Sorry but this receiver has no HDMI inputs or outputs. I believe you have to step up to the TX-SR803 before you get any HDMI capabilities. Good luck.

Dec 26, 2010 | Onkyo TX-SR703 Receiver

1 Answer

Hi My Onkyo TX - SR875 has lost sound from Sub Woofer? not sure if the reciever or the Speaker? Any way to check? Martin

Hook the subwoofer RCA input cable to one of the other Pre-Outs. It won't sound GOOD but it will prove if the sub still works.

Then, if the Sub is alive, reconnect it to the Sub Out.
Get into the SETUP and make sure the Onkyo still knows you have a sub and do all the setup for the speakers.

May 03, 2010 | Audio Players & Recorders

1 Answer

While wathching TV, the typical volume level

Cleared all AV settings and reprogrammed.

Jan 30, 2010 | Onkyo TX-SR703 Receiver

1 Answer

No Signal on sub preout on my Onkyo TX-SR703 AVR

Well the next step would be to make sure that all the settings are set to subwoofer yes, and set your crossover as well.  The amp usually has a crossover which tells the microprocessor which frequencys to send to the sub.  

Jan 06, 2009 | Onkyo TX-SR703 Receiver

1 Answer

Speaker is not detected

If you are connecting a 5.1 surrround sound rather than 7.1, have you connected the surround speakers to the surround left and surround right rather than surround back left and surround back right?

Nov 11, 2008 | Onkyo TX-SR703 Receiver

1 Answer

No signal on subwoofer out in Onkyo TX-SR703(E) - similar to TX-SR803

Hey Tad, I have the same problem and perhaps a solution. I just moved to the other SW "pre-out" and it seems to be working..the green light is on . Whatever works i guess.

Jan 24, 2008 | Onkyo TX-SR703 Receiver

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