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One speaker jack on my behringer PMX 2000 amp is not working. IT seems to have a short and the sound comes in and out as I move the speaker chord. Can the jack be replaced?

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Yes you will find your jack in radio shack near you or nearest electronic store

Posted on Jul 23, 2008

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Why am I not getting sound anymore?


Amplifier issue. See if you are getting audio signal at audio outputs used for recording. If not, then it is NOT the audio amp and the proceeding circuits are responsible.

U might also want to check out your power supply voltages to make sure that the other components are being properly fed.

Feb 05, 2016 | Denon DRA-397

1 Answer

Sony STR DE835 receiver - no sound from speakers and headphone jack


The problem is in the audio output semiconductors, they have shorted causing the fuses to blow and it is in auto protect mode to prevent further damage. I recommend a professional to assess.

Mar 10, 2012 | Sony STR-DE835 Receiver

1 Answer

I have a Yamaha RX-V2092 with a 7 speaker set up. Purchased new. Everything has worked great until recently. Now the center channel speaker, left front effect speaker & left main speaker short off...


It seems that the main sound processor comes into an error and so seems a fault on the board. Since checking for a component level solution is very tricky as the access is not friendly, what could be done initially is to remove and reset the boards, check for faulty connectors that seems to vibrate and bring in these faults. Check the solde joints of the connector pins on the board. Check and solder the processor IC and the allied circuits. If the fault seems to disappear when the set heats up then you must check using a magnifier.Check the solder on the audio driver outputs of the center, main , front and rear are clean.
If not refer and proceed with consensus as a false move can cripple the set.

Oct 28, 2011 | Yamaha RX-V2092

1 Answer

I have a KA-128 Integrated Amplifier Stereo system. Lately after it has been playing for a while the speaker seem to just turn off. The amplifier still works, is reading my media (Tuner or CD) but no...


The unnamed speaker turns off but you're SURE the amp still works? How so?

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 '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 and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Jul 22, 2011 | Kenwood Audio & Video Receivers

1 Answer

..my pmp 2000 power shut


Do you mean "Behringer" PMP2000?

If so, register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Behringer-PMP2000-manual/id/23281ag523/t/2/

As always, you should refer to the manual FIRST before coming here.That is where WE will usually start. But this one offers NO troubleshooting guidance or you could be talking about a whole different product so...

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 '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 and competent hands-on tech.

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

Jun 18, 2011 | Audio & Video Receivers

1 Answer

Sherwood RX-4109 receiver has no sound. Right speaker had no sound, and I tried to see if switching speaker connections in back receiver would help, but now neither speaker works, and there is not...


Maybe a shorted right speaker took out the other channel. Does it turn on now?

Generally speaking, an amp protects 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 '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 and competent hands-on tech.

You can test the speaker for open or short by touching a small battery to the speaker wires. It should make static or click sounds. If not, it's dead. If it sparks and akes no sound it's shorted and dangerous to any amp.

Mar 24, 2011 | Sherwood RX-4109

1 Answer

No Sound from Subwoofer


The original Pioneer subwoofer has its own amplifier built in to the speaker, so the only cable required on the original speaker is a single RCA cable. To connect a different brand subwoofer to the Pioneer you will have to make sure that you have a subwoofer with the same specs. It will need its own built in amp to work, as you can only connect it with one RCA

Jul 31, 2009 | Pioneer VSX-818V-K Receiver

2 Answers

Hi there, My 50 watt MG series marshall amp keeps making a loud rattling sound when its turned up loud. Any ideas why this is and how i could fix it? Ashley Fields e-mail: ashley_ibanez@yahoo.co.uk


bring spray contact cleaner from radio shack near you and clean volume control for amp while you are moving it forward and backward---do not put your mic in front of your speakers because this will give you more trouble.

Sep 12, 2008 | Audio & Video Receivers

1 Answer

Hello, My name is kenny tompkins. i have a problem with my fender bassman amp that no tech in my area can figure out. i was hoping to run this by you and see if you've ever encountered this problem before....


I can't confirm this without testing the amp directly, but I would suspect bad capacitors in the pre-amp section. Some of them may have dried out a bit over time. Anyone that is familiar with guitar amps should be able to resolve this for you. The other thing to check is the 12AX7A tubes inside. Swap them around and see if the symptom changes. You may also have a bad tube.

Keep us posted.
Dan

Jun 27, 2008 | Audio & Video Receivers

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