Question about Pioneer VSX-D511 Receiver

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My Pioneer d512, give a poping sound on the speaker before shutting down and showing Amp Error. It actually blew up one of my speakers.I opened it up, tested a few components and they seem ok. I put e

It actually blew up one of my speakers.I opened it up, tested a few components and they seem ok. I put everything back except the bolt hat bonds the speaker out put with the chasis. then the amps switches on and play for about 30 second and the popping sound again but no amp error. When I replace the screw tha binds the speaker output to the chasis ground the amp error appears immediately and the amp goes to standby. When I use my DMM to test if there's any shorting connection between the red and black and red and ground, everything looks clean. Any ideas? Lolo B

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: pioneer vsx-d511 amp error

I've had the same problem for over a month and have yet to find the time to get to it. However, I there may be a fuse on the circuit board that needs to be replace. That's just my guess.

Hope it's the solution.

Posted on Sep 17, 2008

  • 30 Answers

SOURCE: pioneer receiver vsx d814 amp error

The Pioneer VSX-D814 has a couple of Power Hybrid bricks that do all the power amplification. These are the infamous PAC011A. You should have 2 of those in your receiver.

If the amp detects some unusual activities, it may shut down the unit to prevent damage. “Amp Err” usually means some DC in the output.

Disconnect all the speakers and turn on the unit; if it acts normal, reconnect speakers one set at a time very carefully. If the unit still shows the error message you can try to reset it. If the reset works, again carefully reconnect the speakers connections. If the reset does not recover the normal operation of the unit, you may have one of the PAC011A damaged, and the unit will need repair.
The reset can be done by disconnecting the unit power cord for a few minutes, then plug it in and press “FRONT ENTER key + ADVANCED SURROUND key” continuously for 2sec.

Good luck

Posted on Apr 02, 2009

  • 233 Answers

SOURCE: Pioneer VSX-D511 Comes up with AMP ERROR and shuts down

I must agree that if the fuses are open and you replace them that your problem maybe fixed. If you can remove the fuse, I recommend taking it to a RadioShack and see if someone there can figure out what it is. I am going to assume that the fuse should be a 250 V. If you can find one that matches the same appearance, go with the smallest aperage rating you can find. Go with this route only if the person can not tell you exactly what it is you need. Be sure to match the type of fuse if you can see inside it like in the case of a glass fuse. Some are slow-blow fuses and some are fast-blow. If you are uncertain your safest bet is to use a fast-blow with a real low amp rating for the voltage you are using. If the amp rating is too low, it may run fine at lower volumes and pop when you turn it up. If I could physically see the fuse, I would probably be able to tell you what it was and what you needed to replace it with.

Posted on Jun 06, 2009

  • 30 Answers

SOURCE: PIONEER AMP ERROR

Hello,
Most probably you have one of the power amplifier modules bad. They are the PAC010 and PAC011 type. You can remove one and power up the receiver. If it powers-up normaly it's that one.... (50% chance) Otherwise remove both and it should power up normally. Beware that these parts are expensive... Most times just with a new part the problem is solved. YMMV. Good luck

Posted on Aug 02, 2009

  • 16 Answers

SOURCE: Pioneer VSX-517 was turne up lou. Showe

THERMAL SHUTDOWN PROTECTORS MAY BE BLOWN

Posted on Nov 03, 2009

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1 Answer

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larryagross,
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First make sure that you have the gains properly set ans not all set to their maximums. Second, disconnect signal to the sub then unplug the power for a few minutes. Third, plug the sub into a source of power on a different circuit using a surge protector.

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If you have two subs to connect, place the speakers next to each other face down, you will notice that the connection points run in sequence +- and +-. Now connect the - (negative) from the one speaker, to the + (positive) of the other speaker. Now connect the open + from the one speaker and the open - from the other speaker to your amp.
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whitrashtruk,
Your M-91 has a 8 ohm rated amp. Your CV's are 4 ohm speakers. When your reduce the resistance the amp see's it requires the amp to work harder and will max out at much lower volume knob levels.

Simply put, you have big speakers that require big power. You receiver is not capable of providing the big power you need and will only cause damage to your speakers and receiver.

Buy a larger dedicated amp for your speakers as you will never hear the full potential of your CV's from any receiver. Both great components; just not a good match for each other.

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2 Answers

Pioneer receiver vsx d814 amp error


The Pioneer VSX-D814 has a couple of Power Hybrid bricks that do all the power amplification. These are the infamous PAC011A. You should have 2 of those in your receiver.

If the amp detects some unusual activities, it may shut down the unit to prevent damage. “Amp Err” usually means some DC in the output.

Disconnect all the speakers and turn on the unit; if it acts normal, reconnect speakers one set at a time very carefully. If the unit still shows the error message you can try to reset it. If the reset works, again carefully reconnect the speakers connections. If the reset does not recover the normal operation of the unit, you may have one of the PAC011A damaged, and the unit will need repair.
The reset can be done by disconnecting the unit power cord for a few minutes, then plug it in and press “FRONT ENTER key + ADVANCED SURROUND key” continuously for 2sec.

Good luck

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please check all speakers cables for short circuit-disconnect all speaker-put volume low-wait and observe it if no shut down -go to next step-connect your speaker one by one until you find the bad one,start with speaker cable(try another good cable) and then speaker.if shut down happened again while you connect nothing to your system you will have inside problem and ask for service center to fix it.

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1 Answer

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You might have a bad speaker. The internal amp shuts itself off if a problem is detected with a speaker. disconnect all of them and then reattach one at a time to find the problem speaker. If you can't get sound out of ANY of them then you blew the output chip which will require a repair shop.

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