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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

  • 4234 Answers

SOURCE: Sony Home Stereo Fuse

When the wires touched, the output transistors overloaded before the fuse had a chance to blow. The outputs need to be changed. It is possible that the driver stage for the final outputs is bad also, but there is no way to know that without removing the bad outputs. Figure on $25-$45 in parts for this repair.

Dan

Posted on Aug 26, 2008

killer_clown
  • 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

6ylucy
  • 742 Answers

SOURCE: i have a JVC MX-70

you can get the owners manual and schematics from manualfox.com

Posted on Apr 23, 2010

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1 Answer

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.

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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

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Why does the fuse blow Instantly?


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Aug 25, 2012 | Car Audio & Video

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My kenwood KAC-7204--- the wiring is hooked up right, I just got a 2000 watt max sub 1000 watt rms, i was running the amp in bridge mode and it ran for 1 day than it turned off. I checked it and the fuse...


when i was running my sub off bridge mode this kept happening to me. I ended up just running two subs and for some reason the fuse stopped blowing. i think there is something wrong with these amps.

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Just bought 2 12 in d3 dual 2 ohm subs with d5 600.4 amp. Need to know how to wire subs. They were in a box already I assumed they were wire at 2 o When i hooked One up to my amp it hit really for Jus...


what wattage are the subs and amp? if your subs are more wattage than your amp, your amp will blow fuses as cant handle the output to your subs. for example. you have 2 500 watt subs and a 300 watt amp, that is no good as amp isnt powerful enough. if you have 2 500 watt subs you need at least a 1200 watt amp to power them both. 200 watt more than the combined wattage of subs as amps should never be turned up to max as they tend to blow and overheat more quickly. 80% volume on amps is reccomended by installers and manufactures.

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Car audio amplifer blowing fuses


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2 Answers

Sony Home Stereo Fuse


When the wires touched, the output transistors overloaded before the fuse had a chance to blow. The outputs need to be changed. It is possible that the driver stage for the final outputs is bad also, but there is no way to know that without removing the bad outputs. Figure on $25-$45 in parts for this repair.

Dan

Aug 26, 2008 | Audio Players & Recorders

1 Answer

2006 12" Kicker L7 4 ohm


first whats the range in terms of WATTS that your 12" sub can handle in 4 OHMS ? second , lets check the AMP , POWER ACOUSTIK 1800 WATTS , Now thats a lot of power to drive a single 12" sub speaker . your amp is 1800 watts , per channel is around 500 watts , if BRIDGE thats around 1600 watts rms for ONE channel , if your sub can handle that kind of wattage fine , but it will not blow the amp , what it does is shuts down , some kind of protection mode , it will come back on after a minute or so. I suggest to use one channel in stereo mode , or purchase another sub to use the other channel. i hope this helps AJ

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2 Answers

Protection light keeps coming on


Check the wiring between the sub and the amplifier. That's seems to be the only thing left that could cause a problem. If it's shorted to ground or pinched so the conductors are shorted together, it could cause the symptoms you listed.

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