Question about Yamaha RX-V550 Receiver

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Receiver wont power on.

I touched a amplified wire to some speaker inputs on the back of my receiver and it made a spark. Now receiver wont turn on. All fuses are good. I want to know how to troubleshoot this problem.

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Posted on Jan 02, 2017

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SOURCE: 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

Posted on Sep 06, 2007

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SOURCE: sound turns on and off intermittantly through unit

You may have a bad protection relay or solder joint at the relay mount position. This relay prevents power supply "thumps" when the unit is first turned on, and also shuts the amp down when there is an overload problem....accordianman

Posted on Jun 20, 2008

  • 197 Answers

SOURCE: Speaker wires accidentally touched.

it sounds like the cone in the centre has blown. Use a 'spare speaker' not one from the system and try it, is should work, but if it was the centre speaker cable that shorted, should you get no sound from the spare it sounds like you have blown that part of the system which will require professional repair. Sorry

Posted on Jan 17, 2010

caroldon
  • 17130 Answers

SOURCE: I touched speaker wire from the receiver to hot

When the speaker wires were shorted it would have damaged the output and so there is a short in the output circuit thereby the amplifier goes into the protect mode. So remove the power and the speakers, reset and test again without the speakers. If the amp goes to the protect mode then you need to have assistance to check the boards within for a short. sometimes it is difficult to probe for a voltage check and so will need jigs to test.
Check the output drivers for short using a multimter, check for the rail voltage to the outputs or there can be a power issue.

Posted on Oct 08, 2011

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2 Answers

My onkyo ht-r590 goes on then shuts off right away.


The amp protection circuit has been activated. Remove the power cord from the wall outlet immediately. Disconnect all speaker cables and input sources, and leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect the power cord and reconnect an input and a pair of speaker wires onto the unit. If the receiver still does not turn on than you will have to bring it in for service. Turn up the volume and if the receiver doesn't shut down, power off the receiver and add another pair of speakers. Power up the unit again and turn up the volume. If it doesn't shut down, power off the unit again. Now connect all your input sources and turn on your receiver. If the unit shuts down again, your unit will need to be further serviced at an authorized Onkyo service center.

Oct 01, 2014 | Onkyo HT-R590 7.1-Channel 3-D Ready Home...

Tip

How To Bi-Amp And Bi-Wire Speakers!


What is the difference between bi-wiring and bi-amping?
Bi-wiring is using the same power source (amplifier) but separately connecting that power source to a woofer and a midrange/tweeter on a speaker.

Bi-amping is using two separate power sources (amplifiers) and connecting one amplifier to a woofer and the other amplifier to a midrange/tweeter on a speaker.

How do I bi-wire?
Your speaker must have two separate positive and negative connections (one set for the woofer and one set for the midrange/tweeter). Connect one wire between the positive terminal on the amplifier/receiver the positive terminal on the speaker. Connect the other wire from the negative terminal on the amplifier/receiver to the corresponding negative terminal on the speaker. Remove the jumper straps connecting the two sets of speaker inputs. Repeat this process for the second set of terminals on the speaker, connecting them to the same positive and negative terminals on the receiver/amplifier. Repeat the steps for each speaker you wish to Bi-Wire, connecting them to the appropriate terminals on your receiver/amplifier.

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How do I bi-amp?
Bi-amping is similar to bi-wiring, but involves separate amplifiers: one for the woofer and one for the midrange/tweeter. Passive bi-amping involves a direct hookup between each amplifier and the speaker terminals. True bi-amping involves hooking the preamp to an electronic crossover that replaces the passive crossover network in the speaker. The active crossover then connects to multiple power amplifiers.

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on Jul 13, 2010 | Audio Players & Recorders

1 Answer

It keeps turning off eventhough the back switch is turned on


You need to determine if its a malfunction of the sub or just due to a loss of input. And is it always in response to, say, over-enthusiastic use?

From the manual...

TROUBLESHOOTING

If you used the high-level (speaker) inputs and there is no sound from any of the

speakers:

• Check that receiver/amplifier is on and a source is playing.

• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.

• Check all wires and connections between receiver/amplifier and speakers. Make sure all wires

are connected. Make sure none of the speaker wires are frayed, cut or punctured.

• Review proper operation of your receiver/amplifier.

If there is low (or no) bass output:

• Make sure the connections to the left and right "Speaker Inputs" have the correct polarity (+ and -).

• Make sure that the subwoofer is plugged into an active electrical outlet and switched on.

• Adjust the crossover point.

• Flip the Phase Control switch to the opposite position.

• If you are using a Dolby Digital/DTS receiver or processor, make sure that the

subwoofer adjustments on the receiver/processor are set up correctly.

• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

If you used the line-level inputs and there is no sound from the subwoofer:

• Check that receiver/amplifier is on and a source is playing.

• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.

• Check all wires and connections between receiver/amplifier and subwoofer.

Make sure all wires are connected. Make sure none of the wires are frayed, cut or punctured.

• Review proper operation of your receiver/amplifier.

• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

• Make sure that you have configured your receiver/processor so that the subwoofer/LFE output is on.

Mar 06, 2011 | JBL PB12 Subwoofer

2 Answers

Its in protect mode and wont go back to normal


disconnect everything except the power, remote, and ground. turn off then on. if it goes into protect mode then there's a posibility that the amp if fried. check all the speaker inputs and outputs to make sure that there are no stray wires shorting out. if it stays on then you may have a short on a speaker wire or an auxilary input wire. plug each one in one at a time until it goes into protect mode, then that's the shorted wire or it could be a shorted speaker.

Aug 09, 2010 | Nitro BMW-486 Car Audio Amplifier

2 Answers

Flashes protection


Yes, I agree with the expert, if problem still not solved after removing speaker wires then receiver got problem in amplifier output section and most likely output chips got bad.
Flashing protection is an error sign and unit wont power up to avoid further damage.
Visual check by experienced tech is required to fix the issue. Local repair shop will help you for that.

Jul 27, 2010 | Denon DRA-685 Receiver

1 Answer

It comes on but no base sound and wont turn up


You have to fill in the details about what you're feeding it (the source and how IT's set up). It won't just >>create<< bass.

From the manual:

If you used the high-level (speaker) inputs and there
is no sound from any of the speakers:
• Check that receiver/amplifier is on and a source is playing.
• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.
• Check all wires and connections between
receiver/amplifier and speakers. Make sure all wires
are connected. Make sure none of the speaker wires are
frayed, cut or punctured.
• Review proper operation of your receiver/amplifier.

If there is low (or no) bass output:
• Make sure the connections to the left and right “Speaker
Inputs” have the correct polarity (+ and –).
• Make sure that the subwoofer is plugged into an active electrical outlet and switched on.
• Adjust the crossover point.
• Flip the Phase Control switch to the opposite position.
• If you are using a Dolby Digital/DTS receiver or processor, make sure that the subwoofer adjustments on the receiver/processor are set up correctly.
• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

If you used the line-level inputs and there is no sound
from the subwoofer:
• Check that receiver/amplifier is on and a source is playing.
• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.
• Check all wires and connections between receiver/amplifier and subwoofer. Make sure all wires are connected. Make sure none
of the wires are frayed, cut or punctured.
• Review proper operation of your receiver/amplifier.
• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.
• Make sure that you have configured your receiver/processor so that the subwoofer/LFE output is on.

Apr 07, 2010 | JBL PB12 Subwoofer

1 Answer

Speaker left channel? must be broken as both speakers are still working on right input (channel, not sure if this is the terminology?)


Have you tried isolating the problem to see what exactly the problem is? First I suggest disconnecting the left speaker from the system and test the speaker by it's self. If you have any technical knowledge and an ohm meter, you can connect an ohm meter to the two wires comming from the speaker and see if you get 8 ohms or less. You SHOULD see something in the neighborhood of 8 ohms of resistance if the speaker is good. If you're not a techy and want a simpler "go/no-go" test on the speaker, then take the two wires going into the back of the speaker and BRIEFLY touch them to the two terminals of a 9 volt battery. If the speaker is good, you will hear a "pop" in the speaker as the battery connects. Again, ONLY BRIEFLY touch them. DO NOT connect them to the battery and allow them to stay on for more than about a half second or so, else you run the risk of burning up the voice coil in your woofers.
If the left speaker passes the test, then let's look at the receiver unit. I am not familiar with this particular make and model, but I dare say it should have multiple inputs. Just to be extra certain that the speaker wasn't somehow the problem, go ahead and connect the right speaker to the left channel and let's test the left channel of the receiver. Try using the various inputs on the receiver (i.e. am/fm, CD in, AUX in, Video in, what ever it may have).. Does the left channel yield ANY sound at all under any conditions?
If I'm not mistaken, the system has a separate power amp and receiver unit. Try putting a signal into the aux inputs of the power amp it's self using an RCA cable. You can connect the other end of the RCA cable to most any other CD player, or you can usually touch your finger to the center conductor on the RCA cable and listen for a buzz or click in the left speaker output. If it doesn't give any sound, then the problem is most likely in your amplifier. If it does give you sound, then we need to look at the receiver.
Something else I just noticed about this particular unit you have, is that it uses a ribbon cable to connect the receiver to the amplifier unit. I would suggest that if the amplifier checks good, then try replacing this ribbon cable with another one. You may have to have one specially made, or you may be able to order one. I hope that helps.

Oct 25, 2009 | Philips (MCD700) System

1 Answer

Often the amplifier turn itself off and when powering on back it displays the message "check wiring". Also, on auto setup mode, it hangs at the phase "wiring...check"


You have a speaker wire that's either touching the other post on the back of the receiver or a bad speaker or a bad wire. Check all your wiring and all will be well again. If you need more help, post a comment and I can help you further. Hope this helps

Aug 11, 2009 | Yamaha HTR-5790 Receiver

1 Answer

P4500 yamaha amp


first check your input cable-disconnect it and check if the problem finished---you will have a problem in input(cable or device)-start with another cable then your input device.
if the problem still check your out put cables(speakers cables)for short circuit or touch the bare wire with amplifier body.-try to clean volume controls with spray contact cleaner---confirm good connection in amplifier rear and in speakers rear.

Aug 25, 2008 | Yamaha P4500 Power Amplifier 2-Channel

3 Answers

Won't turn on


Make sure you check to see that the power wire going to the amp dosent have a bad connector on it or the wires is a dedicated for the amp. At the power wire measure for 12.5 to 13volts at the amp while the cars running and then if alls ok there remove the speaker wires and the input wires WHILE THE AMP IS OFF. then turn back on the amp is the light brighter??? if not again turn off the amp and measure the currant draw at the amp without and speakers or input. If its over a few amps the amp needs serviceing. If not then check and make sure all your speakers are good and that ones not shorted as well. Dont forget to check the crossovers too>> You didnt say if they were passive or active types

Mar 21, 2006 | Power Acoustik PS2-820 Car Audio Amplifier

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