Question about Yamaha RX-V800 Receiver

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Has gone into proctective mode

AV will not turn-on. AV has shut down several times, but always would turn-on the next day. Need to know if a technican needs to repair the unit.

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  • Anonymous Dec 02, 2008

    hi my unit ist play for 2 sec. and shot off now it will not play at all the remote works on to turn on it will not turn the unit off it looks the disply is ok help Ike.

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  • Yamaha Master
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Audio amplifiers IC´s damaged you need to replace him

Posted on Oct 16, 2008

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1 Answer

My NAD T747 keeps shutting down in Protection Mode at 6db when it used to go much louder. I cleaned the unit. Still nothing.


Modern AV receivers such as your NAD have protection circuits to prevent damage when there is a short on the speaker terminals. Look carefully at the speaker connections on the back of the AV receiver- for example, the speaker cable for front left speakers labelled + and - : there should not be any stray strands of wire that connect from + to - ; this would be a short circuit. Check each of the connections on the AV receiver as well as on the back of each of your Speakers themselves. Also ensure all connections are snug (do not use pliers). If this does not solve your problem, you may need to take your AV receiver on for a service checkup. Good luck !

Dec 12, 2014 | NAD Audio Players & Recorders

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I think the speaker cables shorted and now the amp has gone into autoprotect mode. How do I reset it now that I have checked and fixed all the speaker connections?


if you want to resolve the issue yourself, try resetting it to it factory defaults. Turn it on and,while holding down the ( VCR/DVR) button,press the (ON/STAND BY)BUTTON. "Clear" will appear on the display and AV receiver will enter stand by mode...

Have a nice day..

Feb 22, 2011 | Onkyo TXSR577 71 Channels

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I have a yamaha, natural Sound Av receiver RX-V483, every time that i start the unit it will shut down after 5 seconds. thank you very much


It indicates an output load problem, dis-connect the speaker wires from the back of receiver. Next power on and turn the volume right down, if the unit runs, check for shorts in the speaker wires and speakers. But if it still shuts down "with speakers and wires dis-connected" one or more of the audio output ic's is shorted and will need a professional to assess the item.

Feb 02, 2011 | Yamaha RX-V463 Receiver

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Stanby light for zone 3 is on , cant shut down the volume, i need to reset the receiver, any steps i have to follow?


Hi,

To reset the Onkyo TX NR3007 AV receiver to its factory defaults, turn it on and, while holding down the [VCR/DVR] button, press the [ON/STANDBY] button. “Clear” will appear on the display and the AV receiver will enter Standby mode.
Thanks for using Fixya.
Good Luck and have a nice day.

May 27, 2010 | Onkyo TXNR3007 91 Channels Receiver

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Onkyo receiver always shuts off


power output shuts ......send to service

Oct 02, 2009 | Yamaha RX-V596 Receiver

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Blinking standby mode light


With the unit unplugged, remove the top cover and use an ohmeter to check the 10 power transistors on the large heat sink; Q6050 thru 54 and Q6060 thru 64. If you find blown transistors (R<1 ohm from E to C) you'll need to replace them. Also check the large ceramic current sharing resistors, R6100 thru 04 next to the output transistors. These are dual 0.22 ohm, 2W resistors that typically fail open if overstressed. These are both common failures resulting from overloading the speaker outputs that will cause the proctection circuit to shut down the power supply at turn on. Good luck.

Apr 12, 2009 | Onkyo TX-SR500 Receiver

1 Answer

Onkio TX-SR500 don't leave stand-by


Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} With the unit unplugged, remove the top cover and use an ohmeter to check the 10 power transistors on the large heat sink; Q6050 thru 54 and Q6060 thru 64. If you find blown transistors (R<1 ohm from E to C) you'll need to replace them. After removing the shorted transistors, also check the associated large ceramic current sharing resistors, R6100 thru 04 next to the output transistors. These are dual 0.22 ohm, 2W resistors that typically fail open if overstressed. These are both common failures resulting from overloading the speaker outputs that will cause the proctection circuit to shut down the power supply at turn on. Good luck.

Nov 18, 2007 | Onkyo TX-SR605 Receiver

1 Answer

Loses audio in tv mode


I had the same problem (CD mode) but today all audio is gone. I opened it up and found no visual problems. There are 3 main boards inside, one where all audio inputs go to. I think that board is bad. Not much help I know. Good luck finding the answer. I'm doing a search on know problems now, If I find anything, I'll post back.

Apr 03, 2007 | Panasonic SA-XR25 Receiver

1 Answer

Immediately shuts off when turn on.


get another speaher wire two wires are touching making ti go into protect mode..

Jan 15, 2007 | Onkyo HT510 Receiver

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AIWA AV-D58 RECEIVER


On 5.1 receivers, some inputs can be switched to Digital/Optical/Coaxial instead of Analog (RCA cables) - look for an Input Mode button. If this doesn't help, turn the unit off, then power it on. If you don't hear a click 3 to 7 seconds after turning it on, it may be in Protect mode, and simply be a coincedence that it failed after installing the new cables. This can be caused by several things, most of which require in-shop service.

Jul 11, 2006 | Aiwa AV-D58 Receiver

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