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Fuses keep blowing

Whenever i turn on my receiver my fuzes keep blowing but the system turns on and everything works but the sound. i replaced the fuzes with the right ones and they still blow.

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Check the spkr imp. and if thats good make sure your levels are not to loud if all checks out you will need some service on the unit

Posted on Feb 25, 2009

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My JVC RX-801V has a short? The 5 amp fuze burns out every time I replace it. what could be the problem?


Probably the output transistors have blown or the amplifier capacitors are dried out.

Fuses are there to protect you and the device from further damage. Repeatedly replacing a fuse without fixing the cause of why it keeps blowing in the first place isn't a wise decision.

Sep 10, 2014 | Audio & Video Receivers

1 Answer

The receiver will not turn back on


If it does not light up at all it is probably the power fuse right on the AC line. If it lights up with no sound it is probably a speaker protection fuse or breaker. Unlike some older equipment the fuse is not accessible without opening up the unit.

Nov 30, 2013 | Yamaha RXV667 Receiver

1 Answer

My teac ag-680 fuse keep blowing everytime i replace it and plug the reciever up


are short in the audio output transistors may have been short since a channel 2 or maybe 4, also open resistance check carefully and change them after you put a 75w bulb in series 100w or where is the fuse clearly, you have to remove the fuse when you put the focus if all is well will turn on only a small incandescent and amplifier work well you put audio speakers and there will, if everything is well put the fuse back and ready.

Jan 14, 2013 | Teac AG-680 Receiver

1 Answer

SONY BDV-E280 BLOWING FUSES


I have not worked on these directly but it sounds like a bad capacitor in the power supply that blows fuses upon a power on. If the unit has a switch mode power supply the switch on from the strip might be sending in a high transient causing the switch mode supply to draw too much current. How does the unit work if you just leave it plugged in?
If switching these on and off the better way would be through a zero crossing voltage solid state switch.

Oct 05, 2012 | Sony BDVE280 3D Blu-ray Home Theater...

1 Answer

When I turn on the STAV-3770, after the five seconds for the inital click that is ready to go, the unit turns off and back on and keeps repeating this process.


Most of these units come with a replaceable fuse in the back (about the diameter of a penny). I believe that the unit will shut itself off if the fuse is blown. Excessive use, moisture or a power surge will blow the fuse. Radio shack may have a replacement for you to buy. I would try this first, as it is a fairly inexpensive solution. If it turns out that you have a more serious electrical problem with the unit, I would consider replacing it. The new 5.1 systems are cheaper than ever, more energy efficient and sound better to boot.

Sep 26, 2010 | Optimus STAV-3770 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

1 Answer

My RCA 7.1 receiver keep blowing fuzes i replace them and then it blows them again when i turn it back on. everything else but the audio works. the model number is RV 3791F


Check your sprks make sure the imp. is correct and your not overloaded with spkrs per channel, lower volm and if all checks out you will have to get the unit in for service

Jan 20, 2009 | Audio & Video Receivers

1 Answer

Denon receiver shutdown


Try turning down your tone controls. Like your bass, treble, or your equalizer. If you hear too much tinny or hissing sounds, the treble has to be turned down, or turn down the upper bands controls on your equalizer to the optimun level. If you hear too much bassy sounds, your bass control has to be turned down, or the lower band controls has to be turned down to the optimun level. If you are planning on turning the volume up, you may have to turn down some of the tone controls to the optimun levels, otherwise, your receiver may shutdown, or you may blow fuses in your speakers. Also make sure you speaker wire polarity is hooked up right. Red wire on the + red terminals, and the black wire on the - black terminals. Also don't have the volume turned up too high to the point where your receiver would have clipping or distortion, or else your receiver may shutdown, or you may blow fuses in your speakers.

If this don't help, then there may be something wrong with your receiver or your speaker.

Apr 05, 2008 | Sherwood RX-4105 Receiver

1 Answer

Whenever I turn receiver on, it turns off almost immediately


The amplifier blew out (probably shorted and damaged when wire was loose, and gave out under load). It won't be cheap to repair....

Sep 12, 2007 | JVC RX-D301S Receiver

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