Question about Yamaha R-V701 Receiver

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Yamaha r-v701 receiver wont turn on

The pcb relay makes buzzing sound.No power,lights or anything

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Usually a buzzing relay is an indication that AC has snuck into the circuitry. 99.999999% of the time, relays in home theatre amps are DC powered. If you power the relay with AC, it will buzz . I think you have a serious problem, that requires a service tech. Is the unit under warranty ?.....If so...great. If not, then I suggest you take it to a Yamaha shop, just because thay have access to all the necessary electrical diagrams and service bulletins. It may be possible that there is a factory modification out to correct an existing production problem with that unit, that only shows up later. If so, you should be eligable for the upgrade from Yamaha. If the unit is NOT under warranty, and it requires a factory mod, you may be eligible for a goodwill repair from Yamaha. Best of luck....Rob

Posted on Mar 04, 2008

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Where do i find the alternator on my 1991 yamaha virago 250 i am having problems to me it seems as though the alternator is not charging the battery it is making a buzzing sound when i go to turn her...
Hi, Paula buzzing sounds like a starter relay for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://www.apriliaforum.com/forums/showthread.php?217303-Buzzing-starter-relay-bike-won-t-start-Relay-and-battery-are-ok-though
VSTAR Starter click then buzzing sound
http://www.groussin.com/multi/XV250.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2005/LIT-11626-18-21_1000.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Oct 17, 2011 | 1991 Yamaha Xv 250 Virago S

1 Answer

Yamaha r-v701 just shut off one day. Im on soc security and cant send it in to be fixed so im trying to find out if it has an internal fuse that may have blown that i can replace? please help
Generally speaking, an amp attempts to protect 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 'nekkid'. 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.

Aug 08, 2011 | Yamaha R-V701 Receiver

1 Answer

Yamaha v-r701 reciever It has sound but it is very faint. You have to turn the volume way up for it to play at a wisper.
NEVER USE MAXIMUM VOLUME FOR TROUBLESHOOTING.

Turn the volume control to something medium.

The errant switch, control or condition may change and you will suddenly release the amp's full power and possibly destroying your speakers. If a signal isn't audible at 1/2 volume it's probably not there.

Carefully examine the front panel for clues like a misplaced Mute or Tape Monitor control or Multichannel Analog Input selected.

There is a good chance that a common control may have developed a high-resistance or 'dead

Mar 27, 2011 | Yamaha R-V701 Receiver

1 Answer

I have a yamaha r-v701 the main 120 volt fuse was blown when replaced it keeps blowing what would be causing the short
If you are blowing the mains fuse, you likely have an issue in the power supply. This can be a bad rectifier or filter capacitor; or, less likely, some other component. The fact that you're asking the question suggests you should not try to fix this yourself.

Dec 08, 2010 | Yamaha R-V701 Receiver

1 Answer

Yamaha RXV657 wont turn on at all. Fuse OK. Relay on "mains in" PCB not firing up. James.
check the voltage on the output transistors.
the center pins should be at +_ 60vdc.
the first pin on the left should be a half volt or so for the npn transistor and -.55 or minus a half volt for the pnp transistor.
any offset voltage will kick in the protection mode.

Jan 12, 2010 | Yamaha RX-V657 Receiver

1 Answer

MY YAMAHA STEREO RECEIVER R-V701 TURNS OFF AS SOON AS I TURN IT ON. I DON'T KNOW HOW OR WHERE I CAN REPAIR IT. I THINK THIS BEGAN TO HAPPEN WHEN SPEAKER CABLE (+) TOUCHED SPEAKER...
One of the channels is blown and unit goes to protection mode.

Nov 02, 2009 | Yamaha R-V701 Receiver

1 Answer

Fuse blows as soon as you turn it on. I disconnected all speakers and equipment and still have the same problem.
The power suply most likely has a problem. If it was the outputs, the unit would not come out of protect mode. Check the rectifier diodes for a short.

Dan

Aug 19, 2009 | Yamaha R-V701 Receiver

1 Answer

Yamaha receiver front channels only getting 50% output on rt side
go to your setup and check the settings in your sound setup!

Nov 24, 2008 | Yamaha RX-V870 Receiver

2 Answers

Display is permanently "off" on the Yamaha RX-V620
Sounds like the LED that lights up the display has burnt out. An easy fix, if you're not afraid to take the front panel apart and resolder a new one.

Feb 05, 2008 | Yamaha RX-V620 Receiver

1 Answer

YAMAHA R-V701 MAKES BUZZING SOUND & WONT TURN ON
This could be the indication of an open resistor, or bad Capacitor in power supply. May not be visible to eye, but if you look in PS. there should be atleast one big sized cap and every PS has a bridge rectifier, this is usually 4 diodes in series, check them and see if any open, shorted

Sep 05, 2007 | Yamaha R-V701 Receiver

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Where do i find the alternator on my 1991 yamaha virago 250 i am having problems to me it seems as though the alternator is not charging the battery it is making a buzzing sound when i go to turn her...

  • 1991 Yamaha Xv 250 Virago S

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I need the remote control code for my yamaha r-v701 receiver. Thanks

May 22, 2011 | Yamaha R-V701 Receiver

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