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Yamaha RX-V750 AV receiver power problem

I have a Yamaha RX-V750 AV receiver about 3-4 years old. A couple of weeks ago turn on after pressing the on off button on the unit or the remote control and eventually did after pressing the buttton on the unit several times. The next time I used it I it would not turn on I turned it off at tghe mains for a minute or so and just left it on until yesterday when I turned it off and now it will not turn on at all.

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I had the same problem, only none of the above worked until someone told be to replace the ceramic cap .022 630v c405 on the sub board, and after this mine has worked fine since

Posted on Feb 23, 2012

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G'day i have had the Same Problem With a Yamaha RX-V750 That i have Repaired...You need to Replace the Three Capacitors On the Sub-Transformer Board...They Hold a Small amount of current to use to turn over the transistors and in turn trip a relay that boots the unit these go dry all the time in these units..replace them and it will work again no prob's
Components As Follows:
2x 2.2 uF 100V (C402) (C403)
1x 1uF 50V (C401)

The relay also could be damaged...or the diode across the Coil you may have to replace these too these faults could have been caused by a surge...or just faulty cheap and nasty components!!

Ben M

Posted on Jul 09, 2009

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Yes I had the same problem with a RX V659 replace the 220nf 630v capacitor on the sub board and problem is solved. Thanks.

Posted on Nov 06, 2012

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Message volume fixed


Zone 2 Setup on the RX-V773 using the ZONE2/PRESENCE Extra Speakers The RX-V773 extra speaker terminals can power one set of speakers for Zone 2 or Presence speakers. If the extra speaker terminals are utilized then the RX-V773 cannot be set for Bi Amp (Surround Back/BI-AMP terminals). Setting the Extra Speaker Terminals Note: The RX-V773 remote control will be used to access the On Screen Menu of receiver. 1. Press the On Screen button on the remote control to enter the On Screen Menu. 2. The On Screen display should be displayed on the TV/Monitor. 3. Press the Arrow Down button on the remote until Setup comes up in the screen. 4. Press the Enter Button on the remote control. 5. The Setup Menu will come up across the TV/Monitor screen. 6. Use the Arrow Left & Right buttons on the remote to navigate to Speaker. 7. Press the Arrow Down button on the remote to select Manual Setup. 8. Press the Enter Button on the remote control to enter Speaker Manual Setup menu. 9. Speaker Manual Setup menu with Power Amp Assign highlighted will come up. 10. Press the Enter Button on the remote control to enter Power Amp Assign menu. 11. Speaker Manual Setup, Power Amp Assign menu will come up with Basic highlighted. 12. Press the Arrow Down button on the remote to select 7ch+1ZONE. 13. Press the Enter button on the remote to select 7ch+1ZONE. 14. Press the On Screen button to exit the on screen menu. To control Zone 2 using the RX-V773 remote, the switch at the upper left side (above the BD/DVD Scene button) of the remote must be set to Zone 2. To see the operations on the front of the Yamaha receiver you must press the Zone Control button on the front of the receiver. Note: Only analog signals can be sent to Zone 2. If you want to output the sound from Zone 2, connect an external component to USB Thumb drive, USB iPhone/iPod, Network, AV 5-6 or Audio 1-2 by analog connection. For AM/FM radio the antennas must be attached.

Aug 19, 2012 | Yamaha RX-V773

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Yamaha RX-797 Amp not working


You have too much power being ran to the amp and it's overheating.
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How do I reset my yamaha rx-v671 receiver?


If there is no apparent cause for the protection mode activating (such as shorted speakers, burning smell, blown fuses, lighting strike or mains power surges), reset the protection as follows and see what happens.

Connect power cord to mains and wait 5 seconds or so. While holding down "info" and "tone control" buttons, press "main zone" power button briefly and release, but keep "info" and "tone control" buttons pressed for at least 3 more seconds. The unit should power up. Assuming the reason for the protection has passed or been fixed, the unit can now be turned off and then back on with the "main zone" power button to restore normal operation mode.
If the protector activates again, the fault is still present and the unit needs to be repaired, ideally by a Yamaha authorised repairer.
There are dangerous voltages present in high power amps and a lot of grunt in terms of stored energy - best left to trained technicians.

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3 Answers

Yamaha RX-V1000 volume control erratic, remote doesn't work. All was well then the volume control knob became erratic (volume would change erratically as knob was turned in either direction, remain...


sounds like you need to take it in to have it looked at. no simple fix unless you are an appliance technician. hard to walk a beginner through. i suggest calling an stereo repair guy.

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2 Answers

Yamaha RX-V750 wont power up


Check the fuse. You might have had a power surge which blew a fuse. If not, check the fuse for the socket. Reset the fuses for that socket. If it still doesn't work, it sounds like the internal boards got fried, or the power supply got fried. The power supply is replaceable, but we don't know if it is the power supply. To check, connect a voltage meter to the power supply.

Something like this happened to me. I found a new kenwood stereo next to the dumpsters, stickers and all still on it, plugged it in, it worked, shut it off to plug in a speaker, didn't turn back on, months later after leaving it plugged in, turned on, I used it, then shut it off for the night, in the morning the standby light was still on, tried turning it on, but it wouldn't for some reason, unplugged it, then the light wouldn't come on, it was once again sitting on a shelf as a paperweight, one day it randomly came on again, and now it 100% works, and I use it as an amp for my RE audio subwoofer, and its worked great since! The reason this kinda applies to you is because its kinda simmilar what happened to you. Just leave it plugged in, and maybe sometime you will walk by it noticing it works.

Oct 10, 2009 | Yamaha RX-V750 Receiver

1 Answer

Yamaha RX-V657 Zone 2


Suggestion by clarkent22

I called and spoke with Yamaha support staff (Chuck) who was very helpful. I was able to get my issue resolved hopefully this works for you too.

Couple of solutions:
1) Go into the Menu setting (Manual SetUp/Speaker Set) and make sure that you do not have Presence Speakers or Suround Back Speakers
2) Also in the Menu settings (Manual SetUp/Options/Multi Zone Settings) make sure that your Zone 2 Amplifier is set to "Int" (assuming you are not using external amp
3) Zone 2 can only accept an analog signal (not digital)... so there are two steps to this one. First, make sure that you either run only analog, or if you run digital and analog then you need to select "Analog Input" on the front of the unit. If yours was working earlier, my guess is that your input settings got switched to digital (or auto) You need to have analog set up for each specific external source (DVD, Cable/DTS, etc)....
4) This model receiver will only let you control Zone 2 with the remote control. You can power it on the receiver unit. But to select your source you have to press the Amp button, then the ** button. Then you control Zone 2 and you can toggle sources and adjust volume. (Check your owners manual for programing remote for zone 2.. think I pressed the "code" button and then 2999.)

Hope this helps... it worked for me If not call Yamaha they were very helpful.

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4 Answers

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Get another receiver! I had the same problem and had the power supply replaced $250 and after 3 months it started doing the same thing.  I just purchased a Pinoeer Elite VSX 90TXV.

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