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I have a sony str-se591 when i turn it on it comes

I have a sony str-se591 when i turn it on it comes on but it blows my fuses do i have a bad circuit and can i save

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  • Audio Player... Master
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Most likely shorted output transistors causing the fuse to blow.

Posted on Nov 18, 2013

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Posted on Jan 02, 2017

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SOURCE: I have a Sony STR-D565 Receiver. I bought new

I resently hooked up my sony std d 565 reciever for 5.1 speakers and I keep hearing beeping, what is wrong?

Posted on May 01, 2009

dunnbiker
  • 8546 Answers

SOURCE: I have a Sony STR DB930. Something happend and it

The fuse blowing is a symptom of something seriously shorted internally. What preceded the initial problem? Smoke is bad. Fire would be soon to follow without the fuse blowing. Take it to a tech.

Posted on Feb 09, 2010

  • 1 Answer

SOURCE: No power on my Sony STR-DA555ES

i went to sony's webite and called direct and got a power supply for just under 200 dollars to my door better than paying 1500 for a new one i over loaded mine and plug to may things in the back of it but the part is available

Posted on Feb 11, 2010

smarthome2
  • 1114 Answers

SOURCE: sony str-de345 this keeps on blowing fuse

Disconnect all speakers at the receiver and test again. If it still blows a fuse, it needs a new power supply and needs to be serviced. If it does not blow the fuse, follow this:

The most common problem found on FixYa for Audio Video2_bing.gif Receiver's is:

My receiver say's "Protect" or turns on then off. What's wrong? Seven times out of ten it is a shorted speaker or speaker wire. To determine your exact problem, the first step is to disconnect all speaker wires "at your receiver" Next: Turn the receiver back on. If your receiver still says "protect" or turns off, it needs to be serviced. If your receiver stays on; reconnect your speakers one at a time and power back up after each speaker. You may find that after reconnecting all speaker wires it works! Most commonly the small braids of wire from the + to the - have touched and have caused the problem. In some instances, you noticed the problem only when turning the volume up. either way, make sure the exposed wires to your receiver are no longer than 1/2" long and are completely under the screw down terminal or slide in. When you've found the wire or speaker with the problem, your receiver will go back into "protect" At this point, disconnect the wire from the speaker at the speaker that may be causing the problem then test again.* Note* Make sure speaker wires do Not touch each other as this Will cause a short! If you turn the receiver back on and it stays on, you now know the problem is in your speaker itself. To test your speaker, you will need a multimeter. Set it to ohms resistance and touch the speaker terminals, if there is a short internally the meter will read "1......" If it's an analog meter, it will peg to the right. There's your problem. Now, within any speaker there are quite a few possibilities as to what could be causing the problem. Most common is a blown coil and the speaker needs to be replaced. Some speakers have internal crossovers (usually floor standing speakers) and may have a shorted or burnt board (usually very visible brown burn marks on the board) and can possibly be repaired if your handy with a soldering iron. Now, if you disconnect the speaker wire at the speaker and it still says "protect" Check your wire for the obvious cut or nail thru the wire if possible. If your system has wiring that runs behind walls, you may need to use your meter again. Disconnect the wire at both ends, keep the ends separated, put your meter on ohms resistance and touch probes to the + and - wires at one side. If the meter pegs to the right or reads "1...." the wire is shorted and needs to be replaced or repaired at the short. Hope this helps.


Posted on Jun 13, 2010

  • 246 Answers

SOURCE: I would like to get a users manual for a Sony STR-SE591 receiver. Any Suggestions?

Here: http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man

This should take you to a page that says "download manual" click it, and scroll down the screen to enter the numbers and then a pdf will pop up that you can save... hope that helps

Posted on Jul 03, 2012

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Protect typically means that the fuse blew because something in your receiver went bad. It's now protecting your speakers from that badness. You need to get the receiver fixed or replaced.

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Look in the circuit board area where the power cord mates with it for capacitors that have bulging tops (instead of the flat tops that are normal). If you see even one, you need to replace all the large capacitors othe power supply section (normally around 5 or 6).

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I would like to get a users manual for a Sony STR-SE591 receiver. Any Suggestions?


Here: http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man

This should take you to a page that says "download manual" click it, and scroll down the screen to enter the numbers and then a pdf will pop up that you can save... hope that helps

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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.

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I have a Sony STR-SE591 Home Theater receiver. As soon as I turn it on, it goes in to "PROTECTOR" mode. Nothing is hooked up to the amp at all, besides the power cable of course. I am no expert at all when...


could have a blown channel or a bad connection, these where often riddled with connection problems,
get a powerfull magnifier and look for connections that aren't solid and redo them. also check the outputs first for shorts if none amp is probibly ok.

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I have a Sony STR DB930. Something happend and it


The fuse blowing is a symptom of something seriously shorted internally. What preceded the initial problem? Smoke is bad. Fire would be soon to follow without the fuse blowing. Take it to a tech.

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What fuses does the sony str-de535 need


I beleive it is a 6.3amp gma. It will be printed on the circuit board next to the fuse holder and on the fuse itself. If it is open(blown) you probably will need to replace a set of the output transisters (mp1620 and mn2488). DO NOT use a slow-blow fuse this will cause more damage to your receiver.

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1 Answer

I have a Sony STR-D565 Receiver. I bought new


I resently hooked up my sony std d 565 reciever for 5.1 speakers and I keep hearing beeping, what is wrong?

Apr 04, 2009 | Sony STR-D565 Receiver

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