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Tony Talbot Posted on Nov 18, 2018
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I have a Krell KAV500i and it just blew the 2 12a internal fuses for the right channel . The fuses blew at very low volume . Was there a recall for fuse issues on this amp?

1 Answer

Grubhead

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  • The Master 5,755 Answers
  • Posted on Nov 26, 2018
 Grubhead
The Master
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Joined: Jan 21, 2009
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Fuses blow when the is an overload on the system. Regardless of any settings. Most likely the power amp section of the right channel has a shorted semi-conductor(s) somewhere. Replace that and the replacement fuses should be OK.
You do need to check the speakers and wiring on the right channel, plus the connections. Anything wrong there will cause a failure of the replaced parts again.

5 Related Answers

Open SKy

Carlos L. Burgos

  • 620 Answers
  • Posted on Nov 17, 2007

SOURCE: EV sonic XS 4.1 computer speakers and amp

Hi CarrieBeth
depending on the brand of your speakers (creativelabs) etc, have different models, but some of them have problems with AMP, and subwofers. Send me your brand or model, to help you out more direct, or depending on the brand, some models lile 5600 from CL. have problems on the AMP module on the sub. have to change or fix the AMP chip.
hope I can help
Carl

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MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jan 13, 2008

SOURCE: Microwave keeps blowing fuse

If it went dead almost immediately after pressing the Start pad, that\'s usually a shorted high-voltage capacitor.



If it went dead a few seconds after pressing the Start pad, that\'s usually a failing high-voltage transformer.



Here are some links with info on part testing:



http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html




You can usually find helpful exploded view diagrams and order parts by
entering your full model number here: http://tinyurl.com/gv383



Please write back with your brand and model number if you need further help.



We\'re happy to help and we appreciate your thoughtful rating of our answer.

Grubhead

Grubhead

  • 5755 Answers
  • Posted on Mar 25, 2009

SOURCE: Bryston 4b amp, left channel blows the back panel

I would check out whatever drives the left channel first. If it is a transistor, you can put a ohm meter on the terminals and see if it shows a short (amp turned off). If there are two transistors for the left channel, and you find a short on one only, replace the other to be on the safe side.

Anonymous

  • 86 Answers
  • Posted on Jul 27, 2009

SOURCE: keeps blowing fuses

This problem is just like my own microwave, replace the shorted HV capacitor

John Weinreich

  • 336 Answers
  • Posted on Nov 29, 2009

SOURCE: Unit blew the internal fuse. SONY SA-WMS367 SUB-WOOFER

Bad output IC or voltage rectifier are the most likely at fault.

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Hi There WLAW,
I am in Auckland NZ and do repair work for a high quality Amplifier chain so I could have a look at yours for you....

Being Local in Auckland it will save you sending it away off shore to Australia.

Cheers From YUBEUT (09) 357 7496
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