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Amp install i just installed an amplifier in my vehicle and only one speaker is working what could possibly be wrong with it?

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Check cables that not working maybe it is not connected or there is an cut in wire change it with new one.

Posted on Jul 02, 2008

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Pioneer VSX-D307 has no sound from right front speaker.


Did you connect a known good speaker to the amplifier's right front output connections? Make sure you also have known good wires for the front right as well. Make sure balance control is set to the middle and not just to the left.

Aug 22, 2016 | Pioneer VSX-D307 Receiver

2 Answers

Where can I obtain a free Owners Manual for a Pioneer VSX 505S Stereo Amplifier?


The support section of the Pioneer website would seem like a good place to begin and failing that I am sure you will find a specialist forum.

What you are proposing to do I think, is to connect two speakers to each of the two remaining working outputs.

Connecting two speakers in parallel will tend to make the amplifier think it is one speaker of a reduced impedance into which it will attempt to deliver more power for a given volume setting. If you like your music loud you could soon overload the output stages.

Connect two speakers if you like but if you don't want to stress your amp you should set the volume control to half of your usual setting, when you could discover your disatisfaction with the arrangement or if the amp is a well-designed tough unit you might just get away with it.

Alternatively, you could take it to the repair shop and get it fixed.

Apr 29, 2016 | Pioneer VSX-505S Receiver

1 Answer

After 5 min. working time(5 min after the receiver was switched on) the sound from the left speaker disappear.(no matter which surround mode i use). Any idea?Thanks


The simplest way to trouble shoot is to swap the speaker connections at the back of the amplifier. If the problem follows the speaker than a connection, possibly internal to the speaker fails as the speaker warms up(voice coil).
If this swap indicates that the amplifier is the problem swap the channel inputs to confirm that it is internal to the amplifier. Also try a different source to confirm it is not the output of the source.

If not, than the amplifier would appear to have a problem. This would most likely require a qualified technician to repair.

Tthese amps are robust and you may have to choose an alternative speaker pair(example sub-room or speaker set 2) to maintain the set up you have. Also a internally shorted speaker may have the impedance low forcing an output protection feature.
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Mar 07, 2016 | Marantz SR-5200 Receiver

2 Answers

My B&K AVR 202 will not come out of standby.


hi,

Check the speakers first. Remove all the speakers from the amplifier and switch ON the amplifier. If the amplifier switch ON from standby without any trouble then any one of the speaker is damged or the wiring to the speaker have some problem. . if it doesn't switch ON from standby there is internal hardware faulty.
IF so Please take it any good electronic reparing shope near you. Becuase you hve to check the voltages at all the outputs of the amplifiers. In this amplifier user can't do any thing. To work wit this amplifer need a throuh knowledge in electronics. If you do someting wrong the amp will became irreparable, because its amplifier stage work in high ampere power supply.
OK

Sep 19, 2011 | B&K AVR-202

1 Answer

Goes straight to protect mode, detached speakers, still same problem


HI, if the unit is in protect mode then there may be the possibility that the speaker wires may have a short circuit in them or that the amplifier section may be damaged....you can remove the radio from it's sleeve and check the wiring behind the unit...this also would have to be done to see the model number and serial number...it should be on either the top or bottom of the unit...the speaker wires for this unit are the white, gray, green, and violet...each with another of the same color but has a black stripe in it...the black stripe is the negative side of the speaker wire....you can disconnect these wires, then turn on the unit to see if it comes out of protect mode...if it does, then there is either a bad wire somewhere in the car or a bad speaker...if the unit stays in the protect mode, then you will have to take the unit in for repair, as this indicates a circuit failure

One of the more confusing car stereo problems can be when an amplifier goes into protection mode. One minute it's working and the next minute it's not, usually with the green power LED on the amp turning to red or orange. Here's a brief troubleshooting method that will hopefully help you if your amplifiers ever go into protection.

1. Try to determine the cause. Amplifiers can go into protection mode for several reasons. Knowing what happened before it quit working can help determine how to fix it. Did the amp malfunction as soon as it was turned on? Did it happen after blasting for hours (may be thermal overload and it needs to cool)? Did it cut out after you hit a bump (a wire connection may have come loose)?

2. Tear it down. Get the amp down to it's most basic state. Remove all of the speaker wiring and RCA wiring and leave only the power, ground and remote leads connected. If you still have a problem in this state then either your amp is defective or you may have an installation problem such as the amplifier touching metal.

Remember that an amplifier should only be connected to the vehicle through the power and ground terminals. Mounting the amplifier to the metal of the vehicle, including putting the mounting screws into metal, can cause problems for your amplifier. Always mount the amplifier to a non-conductive surface. An easy way to accomplish this is to mount the amplifier to a wood board and then mount the board to the vehicle. Don't let the amp touch the screws used to moun the wood board and don't use screws so long to mount the amp that they go through the board and touch the vehicle.

3. If the amp is OK in this torn down state start reconnecting wires until you find what causes the problem. Add the RCA cables first. Then add the speaker wires one at a time. If the speaker wires cause the problem then they are probably touching metal. Check to make sure that a speaker wire isn't being pinched somewhere between the amp and the speaker. Also check that the speaker wire or speaker terminals aren't touching the vehicle metal near the speaker opening. Rear decks and door panels can easily touch unprotected speaker terminals if not properly installed.

If you believe your amplifier is defective contact the manufacturer first. Many have flat repair rates that are very affordable and cover parts and labor as well as return shipping. However local repair shops may be cheaper if it is just a small repair. Compare the manufacturer's repair rate to that of a local shop. If you don't know the reputation of the local shop it may be better to send it to the manufacturer who will have working knowledge of the amp and parts readily available.

Hope it helps..

Aug 10, 2011 | Sony STR-DE698 Receiver

1 Answer

THERE IS NO SIGNAL COMING FROM THE SUBWOOFER, IT IS CONNECTED TO A SONY AMPLIFIER IN THE SUBWOOFER JACK, AND CONNECTED TO THE SUBWOOFER IN THE LOW LEVEL INPUT. THE SUBWOOFER IS CONNECTED TO THE MAIN, AND...


With everything connected correctly there could be a couple of possible problems:

1. If your receiver has on screen display capabilities, you may need to turn the subwoofer output "on"
2. If your subwoofer has speaker wire inputs/outputs, you could run speaker wire to it, then to your speakers & test if the subwoofer is working... hence verifying that the receiver has a function to turn the subwoofer output on/off
3. The cable between the subwoofer & receiver could be bad. Try another cable.

Good luck!

Mar 16, 2011 | Audio & Video Receivers

1 Answer

I have connected all speakers but not getting anything coming through the subwoofer? I have connected all of my existing Sony suround system speakers 4 corner and one middle and the sub woofer to the...


You need to use an amplified sub. The Yamaha receiver is only sending "Pre-Amp Signal" not amplified audio like the rest of your speakers. If your sub has a crossover built in, connect it's speaker level (wires) to the "B" side of the receiver which will send audio to your sub and it will cross it over internally. Not the best sounding, but it works. Amplified subs range in price from 200 and up. Hope this helps

Jun 14, 2010 | Yamaha Rx-v465/rxv465 Home Theater...

1 Answer

I have a Yamaha RX-797 reciever and wish to install an outdoor speaker system through the zone2 outlet. Do you know if I can go from the zone2 outlet through the coupler jacks to the speakers so I can...


Hello sounds like you want to take the low level zone 2 output and run it to the PRE AMP in?

If that is correct the onboard amplifier will power your speakers but will no longer provide sound for your main channel as you are removing the "loop" which send the front L & R signal to the amp.

Your best bet is to find an inexpensive secondary amplifier.

Sonance makes a sonamp 260 or 260x3. These are available on ebay for under $100 and work great for multiroom applications.
A 260x3 would give you 3 speaker outputs allowing you to run not only to your patio but also to two other locations and includes a switch to turn each zone on/ off.

Hope that helps

Jan 02, 2010 | Yamaha RX-797 Receiver

1 Answer

My car amp works produces distorded noise . As I plug in the rca cables i noticed that if just the tip of the connector touches i get a good sound but if i insert the whole connector it becomes distorded...


You have a grounding issue.

The RCA inputs of the amp are many times NOT tied to chassis ( the chassis of the car ) ground.

Same goes for the RCA outputs of your head unit.

The speaker outputs of your amp SHOULD NOT EVER be tied to chassis ground.

  • make sure that no speaker wire from the amplifier is touching or attached to ground.
  • Make sure that your amplifier ground (GND )( of the 3 power inputs.....GND, +12V, Rem) is securely mounted to a bare metal spot on the frame. Best practice is to have the amp GND, and the head unit GND at the exact same physical point.
  • Make sure that your RCA cable shield ( not the center tip, but the part around it ) is not touching the chassis.
  • Make sure that you have not nicked the wire while installing it and are accidentally getting a connection to the frame of the car.
  • Make sure that the head unit is grounded properly.
  • IF for some reason you have an equalizer between the head unit and the amplifier, make sure it has its own switching power supply INSIDE the EQ.
Bad grounds are a pain to troubleshoot......best of luck....Rob

Mar 17, 2008 | Audio & Video Receivers

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