Question about Onkyo TX-DS575 Receiver

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Onkyo ts595 goes into protect mode with volume increase

I have two ta595 receivers that do the same thing, the go into protect mode with volume increase past 40 on display

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  • fl2789m Aug 03, 2008

    do all onkyo receivers have same problem?

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  • 151 Answers

HI check your speaker cables are not touching, also make sure "b" speakers are not on and that all your speakers are 4ohm or higher as this will cause the amp to shut down if they are to low an impedeance,The amp is protecting itself when it shuts down.

hope this helps.
CABLE GUY.

Posted on Aug 05, 2008

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1 Answer

If I increase the volume control, the sound goes out and the unit says protect


This is a piece of **** receiver. Ive had the same problem since it was brand new.

Dec 15, 2010 | Onkyo TX-8211 Receiver

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How do I reset from the amp protect mode Onkyo receiver TX-SR600?


How do I reset my amp / receiver from protect mode ?

May 07, 2010 | Onkyo TX-SR605 Receiver

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Turn on power and the amp goes to protect mode


disconnect the speakers and see if it does the same thing.
if it does not shut down,check that the speaker wires are not touching on the back of the speakers.
many times,people run over the wires with a vacuum or similar and a short results,or bump the speaker.most people have the leads way too long,and even if one strand touches,it will shut down the amp.
if it still shutting off,there is an internal problem.
the best place to go with an onkyo is an authorized depot.
they are tricky to work on.
i did onkyo warranty for 7 years.

Sep 06, 2009 | Onkyo TX-DS939 Receiver

1 Answer

My 605 turns off and red light blinks when volume goes past 58


Shorted speakers can cause the unit going on protection mode (the red light blinking) when a certain volume is reached.

Test with a set of replacement speakers.

If it is not the speakers, it is probably transistors in the amp final or something nearby. Test also input output board.

Apr 27, 2009 | Onkyo TX-SR605 Receiver

1 Answer

Onkyo TX-SV 727 PROTECT mode


Generally, this happens when there's a loose connection somewhere, either internally, or with the connections. It usually happens when the volume's too loud, and it tries to protect itself.

I'd suggest you unplug everything from it, check all the speaker wires, and then try turning it on, without any devices connected to it.

If it works, turn it off, and reconnect devices, one by one. That should fix it.

If not, it's likely that there's a loose solder inside, and it needs to be sent out for service.

Mar 19, 2009 | Audio & Video Receivers

1 Answer

Every time I turn on my Onkyo receiver it goes in to protect mode.


Please check your speaker cables. Make sure that all of them are seated properly, none is touching each other or to the body of receiver.

Are you using banana plugs for connecting speaker or just directly. Some times even a little tiny frayed speaker cable touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough to activate and it could blow a few trasistors in the power output circuit.

Please take out all the speaker cables, unplug your receiver from the mains and try to restart without any cables plugged. If it powers on then you are lucky.

If not and the receiver still goes into protect mode or wont turn on then it possible that there are bad connections on the main board or have some blown transistors. How old is your system? if its still under warranty then you should contact Onkyo immidiately.

Let me know if I can be of any further help. Please do rate this solution and thanks for using FixYa!

Mar 08, 2009 | Onkyo TX-SV727 Receiver

1 Answer

I just hooked up my old Onkyo TX-8511 receiver to my bose speakers, which is also hooked up to a subwolfer. When I turn the volume up the system goes into protect mode. Any solutions.


Just check your speaker cabling again. Make sure that all of them are seated properly, none is touching each other or the body of receiver. Rewire if necessary..
Are you using banana plugs for connecting speaker or just directly. Some times even a little tiny wire touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough and it could blown a few trasistors in the power circuit.

Otherwise, do your bose speakers play out load on other systems?

Mar 08, 2009 | Onkyo TX-8511 Receiver

2 Answers

Onkyo TX-DS777 goes straight to protection mode


Hello.You have shorted audio outputs. One of your channels has shorted output transistors. If your unit uses output ICs then one of them is shorted. Both types ( individual transistors or ICs ) are located on the large finned heat sink. The parts are available from http:\\www.tritronicsinc.com. good luck

barneyluc

Oct 19, 2008 | Onkyo TX-DS777

1 Answer

Onkyo TX-DS838 Issues


The problem here is that the output amplifier section has a problem. This is detected internally and the system shuts down in a "protect" mode. The output section really only kicks in when you attempt to bring up the volume. Another possibility is a problem in the "front end" where DC current is being passed to the amp section. Without takeing measurements, it is difficult to determine the exact cause. This should be a relatively stright-forward repair for a service shop and should cost about $20-$40 in parts plus the local labor charge.
Dan

Dec 23, 2007 | Onkyo TX-DS838 Receiver

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