Question about Onkyo TX-DS838 Receiver

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Onkyo TX-DX838 When switched on, the selected FM/AM/CD etc) is displayed for few seconds and then showing "Protect". The unit then goes into 'standby' mode as indicated by the blinking orange LED.

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  • kelleykelley Nov 25, 2008

    Same issue, we recently moved the receiver to a new entertainment center. Did we hook it up wrong?

  • schulte559 Apr 05, 2009

    unit goes into protect mode . what can I check with my meter?

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I went back and found a loose cable/coax. Re-attached and now the receiver works as good as ever.

Posted on Nov 25, 2008

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1 Answer

I have SR 307 onkyo A/V receiver home theatre system. the remote control has stopped working. i checked with a local dealer and that the remote is okay and something has wrong in the receiver,


Did you check the remote with another Onkyo system at the dealer ??. If its OK try resetting the system. Remember you will loose all your stored presets ( FM and customized settings ) and the Amp will go back to factory settings.
While in standby mode hold down the DVD button and press the Standby/On button., the display will show Clear and the Receiver will go into standby mode. Turn it on and try the remote once again.

Jun 01, 2011 | Onkyo TX-SR307 A/V Receiver

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I have a new Onkyo TX-SR508 receiver. When listening to FM radio the audio cuts out repeatedly for anything from a few seconds to a minute. Power fluctuation is very unlikely to be the problem. Signal...


Does the display show "tuned" or "FM Stereo"? This would normally indicate a good reception. The tuner has a signal level threshold and if the signal gets to week, the receiver mutes to prevent noise in the speakers. Swithing to mono make reception less intolerant. Does the problem also occur, when you switch to mono?

Jul 14, 2010 | Onkyo Audio & Video Receivers

1 Answer

"PROTECT" displays after I switch ON the power.


there is short inside, usaull with copacitors u might want to have it looked at

May 27, 2010 | Onkyo TX-DS787 Receiver

1 Answer

My onkyo displays "protected" when i turn it on and goes into standby


there is an internal shorting inside the amp that puts the amp in protect mode also check if the amp comes on after disconnecting the speakers

Oct 13, 2009 | Onkyo TX-SV343 Receiver

1 Answer

The HT-R510 unit's overheat protection kicked in


Hey there..Sorry.When the amps are over powered they blow the main circuit and short causing the amp to turn on the right back off to protect mode.That you will have to send in to get fix..Look behind the amp and see if theres any wires touching or grounding out.My favorite amps are from onkyo and believe me i've done this a few times to 5 aps I've had.So I up graded to the tx sr 906 It rocks and will blow every speaker I have before the amp will go..Hope this helps you and good luck..Have a great day...

Apr 02, 2009 | Audio & Video Receivers

1 Answer

Onkyo tx-sr500; power goes out; standby light blinks


Remove all Wires form speakers
Power on
Push Video1 + StandBy /On
appears Clear on display

Dec 22, 2008 | Onkyo TX-SR501 Receiver

1 Answer

Just bought refirb. Onkyo 805, hooked up front l&r plus sub and getting no sound. I set up am and fm as per manual and connected a cd changer thru the cd in via rca cables. Radio shows a signal but no...


After few sec when you turn on your receiver did you hear a click noise ? if yes your receiver is OK not in protection mode if no click noise is output protection in that case you must return where did you buy for service and update firmware a lot of update
However you can reset your receiver and debug the DSP section ( digital signal processor ) as follow
To reset
1. Press and hold down VCR/DVR button, then press STANDBY/ON button when the unit is Power on.
2. After " Clear " is displayed, the preset memory and each mode stored in the memory are initialized and will
return to the factory settings, and turn to Standby mode.
Now turn back on and check if it work or not and make sure check input mode such as analog or coaxial or optical input if stil no sound then debug DSP as follow
To set in DSP debug mode
1. Press and hold down DISPLAY button, then press STANDBY/ON button while the unit is powered ON.
The version number of m icroprocessor is displayed only for 3 seconds.
Main:
8 1.05/07903A
2. Press TONE+ button within 3 seconds above, the version number of 1st DSP is displayed.
DSP 1st:
SR8051:07601A
3. Press DISPLAY button while the 1st DSP version is displayed. The status of DSP and DIR will be displayed.
E1A48K0N/0FFPo
FFFFFF0 0 000
To exit
Press STANDBY/ON button.
Then unplug the unit for 30 sec then plug in it should work now if not you need to return it to 1 of the service center Onkyo in your town to repair it
Good luck

Nov 30, 2008 | Onkyo Audio & Video Receivers

2 Answers

No power


When an amp won't come out of standby mode when you try to turn it on at the receiver, there is usually a problem in the output section (shorted outputs) and the amp may also display something like "protect" on the display if it has one. There could be lots of other causes but outputs are the first thing I'd look at.

If its brand new, then return it for a refund.

Nov 19, 2008 | Onkyo TX-SR705 Receiver

2 Answers

TX 8410 Onkyo no sound


Well, I'm sure you've either fixed the issue or gotten rid of the unit by now, but anyway... perhaps the speaker selection was accidentally switched (A or B), or my personal favorite: "Tape 2 Monitor" was turned on. Even if you select something else, you'll still see "Tape 2 Monitor" displayed on the LED display. Hit the button again and it will go away and your sound should return.

Jun 05, 2008 | Onkyo TX-8410 Receiver

1 Answer

Onkyo TX-SV434 "Protect" light


The protect mode is a built in safety message, indicating that theres a fault somewhere with-in the unit, and it wont let the unit come on fully or more damage will occour. This unit is a solid state device, and you should not attempt to use it or open it or try any self repair as it will cause more damage. If this unit is more then a few years old , it might just be the time to start looking around at all the back to school sales on electronics, as to have this unit serviced will cost an estimate fee as well as parts and labor. If you want to invest a few bucks into this machince , then go for it, but its most likly will cost 1/2 or more then the cost of the entire unit did when it was new to have it repaired. It is up to you. Good Luck

Aug 09, 2006 | Onkyo TX-SV434 Receiver

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