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I've got a Sony TA-AV531 home Stereo sytem. I hooked up 1500 watts worth of subs and blew the fuse. when i replace fuse its just blows again.

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5 Suggested Answers

  • 86 Answers

SOURCE: Purchased a polk audio psw250

Take the subb to radio shack, somthings short circuiting it out and its blowing the fuse for preventing interal problems,

Posted on Oct 24, 2008

SOURCE: Blows main fuse when power is turned on

Shorted power supply/module is most likely problem.

Posted on May 27, 2009

  • 336 Answers

SOURCE: What would be wrong if my fuse blew. I replaced

Shorted output transistors.

Posted on Jan 28, 2010

  • 742 Answers

SOURCE: i have a JVC MX-70

you can get the owners manual and schematics from

Posted on Apr 23, 2010

  • 8546 Answers

SOURCE: Sony STR-DE685, home stereo, center speaker cuts

It all depends on what's wrong it and if it's worth the price to fix it to YOU, doesn't it? If it's really broken only a tech can look at it and tell you the cost to fix it.

Have you eliminated the individual speakers and cables first? Or looked in the manual?

Posted on Mar 19, 2011

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I hooked up more than one set of speaker wires in on set of terminals and blew the 2 8amp fuses inside. i replaced them ,but they blow right away when i turn the system on.

Hi Robert,
You've probably managed to fuse two wires together or one wire onto the casing. You need to find and rectify this before proceeding further.

Jul 16, 2015 | Sony Str-av910 Home Theater Surround...

1 Answer

Why does the fuse blow?

try a different sub first, the fuse difference is not crucial but should try to use the one recomended by manufaturer

Aug 31, 2014 | Pioneer VSX-305 Receiver

1 Answer

Why does the fuse blow Instantly?

Link for the service manual: On page 50 of the manual (36 of the pdf) it says for the "Sub woofer pre-out jack (Not available on the VSX-305 model) If you want to boost the low frequencies, connect to a subwoofer power amplifier" Your model will not drive a sub-woofer with out another amp. His sub may be a powered sub?

Aug 31, 2014 | Pioneer VSX-305 Receiver

1 Answer

Changed to 6 olms and blew amplifier. Replaced fuse and fuse blew so I'm assuming its the amplifier. I was wondering if its worth getting fixed

The audio output section of your amp has damaged. It has shorted output components, and that is why the reinserted fuse blow up as soon as you switch it ON aftere replaceing it. A through check must be done with your amp. It is really a very skilled work, and done with caution. Whout any knolege in servicing hi-watt amps, one cannot set it right. Do not repalce any more fuse as it will damage more components.
I advice you to get this device repaired by any well experienced service technician, or by the authorised service center for Yamaha at your town.
All the output comonents may need repalcement. The set has damaged by overload created by low Oms speakers connected with. OK.

Sep 25, 2011 | Yamaha RX-V2600 Receiver

1 Answer

Amplifier - TA-AX380; CD Player - CDP-C40; AM/FM Tuner - ST-JX380; FM Stereo/FM-AM Receiver - STR-AV570X, and Stereo Cassette Deck - TC-W380.....all Sony. Very old system, do not have the manuals, they...

Since you have 2 receivers, you can either use the Sony STR-AV570X or the TA-AX380. You will need 3 Stereo RCA Cables to connect your CD Player, Tuner, and Tape Player. The speakers connect to the receiver you choose using the speaker input terminals.

Here is the diagram (click on picture to enlarge):


Jun 22, 2011 | Audio Players & Recorders

2 Answers

Sony str d-1015 stereo receiver stopped working

if you have been blasting it, that could be why, recievers of this era are made with cheaper parts that cant handle what theyre supposed too,
i dont know specifically, but things like that have some sort of auto fuse...
i would assume, you are using it with wrong ohmage speakers, are you using car speakers? car subs? older speakers?
most home stereo equipment is 8 ohms, i have a set of 140 watt 3 way (10"[vented]/4"/2") as fronts and a set of 80 watt rears (6"[vented]/1.5"/24mm) the fronts are induviduals, meaning they have to be bought individually, and are not sold as a set, or part of anything, the rears were part of a bookshelf system, i got the set secondhand... but i always checked the ohmage...

Jan 08, 2010 | Sony STR-D1015

1 Answer

I have hooked by two bose 161 speakers using 14 gauge speaker wire (about 8 feet) to sony str-dg720. But I get absolutely no sound from the speakers. I have hooked the speakers to port A set of input...

You gots ta isolate the problem.  Disconnect the speakers and hook them up to a stereo you know that works.  If you don't hear sound coming out of the speakers, then you know the speakers are fu.k.d up, so you need to look on the speakers to see if there is a fuse that is blown that needs to be replaced.  If you got sound coming through, then disconnect them and hook them back to the original stereo making sure you got a good connection and all the wires are in good and tight.  Then turn your stereo on and go through the various channels like Tuner, Tape Deck, Aux, and DVD to see if you get any sound.  Also turn the volume knob up. If you don't get any sound after all this, you know there is something wrong with the stereo your using.

Oct 29, 2009 | Sony STR-DE685 Receiver

1 Answer

Blows main fuse when power is turned on

Shorted power supply/module is most likely problem.

May 27, 2009 | Sony STR-DE635 Receiver

3 Answers

Sony str-de845 Powers up, relay clicks, fuses BLOW!

This condition, may be produced by defective components (Q506, Q507). you can remove those transistor, replace the fuses, power-on and wait for relays click. if the fuses not blown again, them replace both transistor.

Mar 05, 2009 | Sony STR-DE845 Receiver

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