20 Most Recent Onkyo TX-SR603X Receiver Questions & Answers


Not to be found. Your remote controls a lot of functions, and as such can be confusing to program properly. I can only suggest two things, one, sit down with pages 14-18 of your user's manual and use some patience finding how to work it. If you do not have a manual it can be found at manualslib.com and look for this search result ONKYO TX-SR603X INSTRUCTION MANUAL Pdf Download. with manualslib.com underneath. Your second option is too take it a repair shop or knowledgeable audio/video dealer and have them program it for you.

Onkyo TX-SR603X... | Answered on Dec 18, 2017


where are you placing the aux cable?

Onkyo TX-SR603X... | Answered on Jun 04, 2017


Look on the back of the system, if there is phono input, that is what you can use to connect the turntable without using an external pre amp

Onkyo TX-SR603X... | Answered on Sep 28, 2011


I have the same two problems! "Zone 2" works, but the main amp will make a noise and then stop working. Sometimes when I change the listening modes around it will start working. Lately, though, "zone 1" has gone out altogether.

Onkyo TX-SR603X... | Answered on Jul 22, 2011


You have to set the Powered Zone 2. It's in the manual.

See page 75.

Onkyo TX-SR603X... | Answered on Jun 25, 2011


While holding down the "Remote mode" button that you wish to set (TV in this case) press the standby (power) button. Enter the 4 digit code for the device you want to program and the buttons should flash twice. Press the remote mode button again to finish. I'm unfortunately not sure where to find the remote codes for this device, but they may be included toward the back of the owners manual which can be found at ONKYO's website here.

Onkyo TX-SR603X... | Answered on Jun 02, 2011


A little more triage would be in order before you take a knife to it.

Maybe it's self-protecting.

Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Onkyo TX-SR603X... | Answered on Mar 06, 2011


I occasionally have the same problem with my Onkyo 705. It is only with the signal from cable tv and never anything else. I have not found the cause of the problem exactly, but I have found that switching the listening mode to THX 7.1 fixes it, and often if I switch listening modes and switch right back, it fixes itself. I would be interested to know what you are using for input when this happens, or if it is with everything.

Onkyo TX-SR603X... | Answered on Mar 06, 2011


That's why they print manuals.

Register and download it for free at retrevo.com

http://www.retrevo.com/support/Onkyo-TX-SR603X-Receivers-manual/id/365ag224/t/2/

Onkyo TX-SR603X... | Answered on Feb 13, 2011


Only a hands-on tech could evaluate the cause and what it would cost to fix. What it worth to YOU is subjective.

If the receiver is still somewhat alive try going through some of the setups and see if you can correct or improve the volume issues.

That loud pop is BAD NEWS.



Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Onkyo TX-SR603X... | Answered on Jan 21, 2011


Try thiThe most common problem found on FixYa for Audio Video Receiver's is:

My receiver say's "Protect" or turns on then off. What's wrong? Seven times out of ten it is a shorted speaker or speaker wire. To determine your exact problem, the first step is to disconnect all speaker wires "at your receiver" Next: Turn the receiver back on. If your receiver still says "protect" or turns off, it needs to be serviced. If your receiver stays on; reconnect your speakers one at a time and power back up after each speaker. You may find that after reconnecting all speaker wires it works! Most commonly the small braids of wire from the + to the - have touched and have caused the problem. In some instances, you noticed the problem only when turning the volume up. either way, make sure the exposed wires to your receiver are no longer than 1/2" long and are completely under the screw down terminal or slide in. When you've found the wire or speaker with the problem, your receiver will go back into "protect" At this point, disconnect the wire from the speaker at the speaker that may be causing the problem then test again.* Note* Make sure speaker wires do Not touch each other as this Will cause a short! If you turn the receiver back on and it stays on, you now know the problem is in your speaker itself. To test your speaker, you will need a multimeter. Set it to ohms resistance and touch the speaker terminals, if there is a short internally the meter will read "1......" If it's an analog meter, it will peg to the right. There's your problem. Now, within any speaker there are quite a few possibilities as to what could be causing the problem. Most common is a blown coil and the speaker needs to be replaced. Some speakers have internal crossovers (usually floor standing speakers) and may have a shorted or burnt board (usually very visible brown burn marks on the board) and can possibly be repaired if your handy with a soldering iron. Now, if you disconnect the speaker wire at the speaker and it still says "protect" Check your wire for the obvious cut or nail thru the wire if possible. If your system has wiring that runs behind walls, you may need to use your meter again. Disconnect the wire at both ends, keep the ends separated, put your meter on ohms resistance and touch probes to the + and - wires at one side. If the meter pegs to the right or reads "1...." the wire is shorted and needs to be replaced or repaired at the short. Hope this helps. s.

Onkyo TX-SR603X... | Answered on Sep 20, 2010


Depending upon the type of power outage, you may have more of a confused receiver than a defecive one. Try unplugging the unit for an hour or so to see if that resets the whole thing back to "normal". If not, then further investigation with a scope or logic analyser will be required to determine whether the problem is with the internal CPU or a defect on the data lines. Unless the reset works, this is not likely to be a DYI repair.

Dan

Onkyo TX-SR603X... | Answered on Mar 28, 2010


Duh, recheck the Color-coded video connections.

Onkyo TX-SR603X... | Answered on Mar 10, 2010


Hello! Let me start by asking you for the cable box name and model number...Also tell me what components, besides the Onkyo, are connected...I love a challenge...


Guru..................saailer


I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

Onkyo TX-SR603X... | Answered on Mar 02, 2010


does not sound like the fuse.
its easy to check. unplug unit and remove the cowling / shroud of the unit. the internal fuse will look like a car fuse. the old round style about 1" long and 1/4" round.
sounds like a bigger problem. hope this helps.

Onkyo TX-SR603X... | Answered on Feb 19, 2010


When I initially bough mine, I had the same problem. It wouldn't shut down, but occasional popping sound on the center speaker. Turns out the impedance on the speaker was 4 ohms, not not 8. Replaced center with an o 8ohm speaker. This receiver is not reated to run 4 ohm speakers. If I had problems with 1, I can only imagine what kind of problems could happen if all the speakers were 4-ohms.

Onkyo TX-SR603X... | Answered on Aug 03, 2009

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