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Shut Off Issue - Yamaha RX-V661

Hello tech-48,

I'm having a power(?) issue with my receiver. Everytime I turn on the receiver it stays on for appr. 2-3 seconds and then shuts off, I go through these steps 3-4 times..then the units permanently shuts off and is completely disabled. I then have to unplug/plug the receiver to turn it back on, but again stays on for 2-3 seconds, then turns off. The only steps I've done was to replace the Power Transformer (X7667-A00), which did not work, I've tried the system reset stated in the manual which did not work either. Can you possibly help? Thank you in advance.

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6 Suggested Answers

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017


SOURCE: Yamaha RX-v661 7.1 Receiver

Could be overloading your circuit and the receiver goes into safe mode to protect itself

Posted on Feb 12, 2008

nuwan chinth
  • 111 Answers

SOURCE: yamaha receiver rx-v661 display light is out

lamps are burnt out or missing power to backlight system.
please check all the fuses.


Posted on Jan 13, 2009

  • 125 Answers

SOURCE: Yamaha RX-V995 receiver turns on & then powers off 2 seconds late

I suggest you run self diag.  press [FM/AM] key + [Input mode] key and press the [power/standby] switch.

ps prt = power supply problem
dc prt = shorted output or leakly cap in channel
tmp prt means to hot on heatsink

you'll likely have to measure the resistances of the output FETs to find a short, 

Posted on Feb 03, 2009

  • 1175 Answers

SOURCE: yamaha rx-v461 not working

Does the reciever have separate speaker switches?
Try turning off the speakers and turning on the amp.
If it doesnt have speaker switches , make sure ALL the speakers are connected at both ends and try turning on the amp again.

Posted on Feb 04, 2009

  • 1114 Answers

SOURCE: The picture on my TV flickers on and off when I

You cannot run HDMI from any source thru the Yamaha to the TV. The V661 is 1st generation HDMI headache. Version 1.1 which basically is useless. Don't blame Yamaha, it's not their fault, it's HDMI. All manufacturer's receivers prior to 09' series use either 1.1, 1.2, or 1.2a. and they all have issues. So, here's the skinny, run your audio to your receiver via optical or digital coaxial. Then run video directly to the TV via HDMI if you wish. The problem arises when you have more sources than inputs on your TV. Depending on the size of your TV can make a big difference in how you wire it. If your TV is 50" or smaller, just use component, the human eye cannot differentiate between 720p and 1080p and that's a fact. second fact, most TV shows are broadcast in a native resolution of 720p, the only real 1080p programming is on HDNET, Discovery,National Geographic and The NFL.
What I mean by that is the camera used to take the actual picture is a 1080p camera. Major money! so, that being said, if your tv is larger than 50", and it's 1080p not 1080i yes, you can see a difference. If you post a comment and list all your product, I can give you the best possible way to put it all together. I feel your pain and aggrivation! I am a Yamaha, Marantz, Proceed, and Adcom Dealer. I get it from all sides! If there's anyway I can make it easier for you, I will. Hope this helps

Posted on Jun 24, 2009

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try holding the 'straight' and 'audio select' buttons and press power. What does it say on the front panel? Should say some kind of protect: I, DC, PS. This will help narrow down where your problem is.

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

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.

Check for loose speaker connections as a root cause for intermittent shutdown.

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My name is Becki, and I'm with Dish Network Customer Service. This issue sounds like a power issue. If you have the receiver plugged into a surge protector, try plugging it straight into the wall. If already in the wall, try unplugging it for 10 seconds. If that doesn't work, the receiver needs to be replaced. If this issue has not already been resolved, blog back!

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Looks like the the unit is locked to region 1.

The Yamaha receiver you listed is region free, therefore I assume you are talking about a different unit, in that case give model please.

If you have the problem with a Yamaha RX-V661, then simply disconnect power cord for ten minutes. And disconnect from power all devices connected to the receiver.
This should reset the system.

Let me know in case it does not work.


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