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Sansui a60 amplifier fuse blowing

Main fuse keeps blowing

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Posted on Jan 02, 2017

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SOURCE: sansui g5500 receiver keeps blowing fuse 5amp.

What fuse are you blowing? A fuse in the amp itself, or the fuse in your main fuse box for the house?
If it's the one in the amp, check the speaker wires for shorts, and if thats not it, then it is bad news as stated above.

If it's youre home fuse thats tripping, then you need to consult an electrician to give you another ciruit for your setup. Possible the TV is draining a lot of power.

Posted on Jan 27, 2008

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SOURCE: main power fuse blows on

my Sansui G-5700 blew a fuse (i think)...where can you find fuses for this thing?

Posted on Jun 22, 2008

  • 12 Answers

SOURCE: Peavey 1200 Amplifier

Some of the outputs transistors is bad hence causing a bridge in circuit,thats why the fuse is blowing.Check all the outputs transistors on both channels,rectifiers and zena diodes these are the possible causes of circuit bridge when they are faulty.The fan works on AC thats why it is not affected even when the fuse is blown.Please if you have anymore challenge please send me a mail on mikewee4wee@yahoo.com

Posted on Feb 24, 2009

  • 208 Answers

SOURCE: Have Pioneer M-770 amplifier. The main 6.3A 125V

inpect the wiring for breaks in the casing possibly a hot reaching ground also might be a faulty switch

Posted on Jun 21, 2009

  • 32 Answers

SOURCE: My 2006 keeps blowing her main fuse!

Most likely it is getting grounded out somewhere, or just bad wiring. Hope i was of help to you!

Posted on Aug 10, 2009

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1 Answer

Where can i buy a power transformer for Sansui 3900z ?


Let me guess...you took it somewhere for repair, and they told you it had a bad transformer and they couldn't fix it (after they took your money). Sansui began life as a transformer company, and unless something really silly was done (like replacing the stock fuse, which is probably 3 or 4A with a 15A fuse of something). I might mention that 'some' units sold for various locations have a thermal fuse installed internally to the transformer. I dunno if your model has this or not. I mention all of this because often times the phrase 'it has a bad transformer' is lame techspeak for 'I don't wanna fool with this thing'. If it blows the mains fuse on power up, then the most likely fault is that it has blown power transistors at the output of the amplifier. If it 'really' has an open primary winding in the power transformer, then it may well have a thermal fuse that has opened. Gary Brown in Orono, ME has fixed a few transformers for me with this issue. Google can help you find him.

Dec 24, 2014 | Sansui 3900z Stereo Receiver

1 Answer

My sansui 1000 receiver keeps blowing fuses


Fuses blow when there's an overload. This is often caused by the main power amp devices located on the heat sink. If they are transistors you can test them with an ohm meter. It will be just like you have put the two test probes together on the separate pins of the device.

Mar 24, 2013 | Audio Players & Recorders

1 Answer

Sansui au-999 static right speaker then blows right speaker fuse


so meaning the right speaker needs a filter which frequency is it normaly u using a certain yf for a certain type of speakers and if you dont the fuse or what ever will go

Apr 15, 2012 | Audio Players & Recorders

1 Answer

My Phoenix Gold MX 1230 12 channel amplifier 4 mode buss system keeps blowing the power fuse.


When any amp blows the fuse like this suspect an overload in either the power supply or main amp sections. Most likely caused by a sem-conductor that is acting like a piece of wire. Chances are it will be one or more transistors on the heat sink that's gone.

Mar 02, 2011 | Phoenix Gold MX1230 12-Channel Amplifier

1 Answer

My Sunfire Amplifier wouldn't turn on. It keep blowing fuses.


Fuses blow when an overload is detected. In your case an IC or transistor has shorted and is now acting like a piece of wire. Chances are it will be one of the main devices on the large heatsink in the unit, or could be in the power supply section. My moneys on the heatsink ones.

Jan 14, 2011 | Sunfire 400 Five 5-Channel Amplifier

1 Answer

Keeps on blowing fuse


Hello
If fuse blows off repetedly, it shows that there is a direct short inside the power supply section. You just check the mains rectifier diodes for short. iIf a rectifier stack is used desolder it out and check for short. In some sansui sets, ther is a metal oxide variste connected across the supply line inside directly. It is for line spike suppression and an overvoltage protection. If any of the above appears on the power line, the varistor will get shorted, and the fuse will go out, to prevent further damage to the circuits. Check that varistor for short. Check the resistance across main filter capacitor for any direct short. If it seems shorted, check the switching transistor for collectror to emitter leak, Resolder it out and check. These are the main reasons for blowing fuse. If the switching transistor has got leaked, you must check the entire SMPS control section, especially in case of used zener diodes, before replaceing a new transistor. OK.
If you wants anu further assistance, inform me through Fixya. Ok.

Nov 05, 2010 | SansuiS2746 TV

1 Answer

My car Amp keeps blowing the main fuse, How to find the short?


Hello A4en1, hi, A short circuit need not be burned, the short usually are semiconductors such as ICs and transistors or diodes, I suggest you replace your IC power amplifier.

Mar 29, 2010 | Sony Car Audio & Video

1 Answer

The fuse keeps blowing in my amp, changed the fuse several times but just keeps blowing!!!


You have an overload in either the power supply section or Main amp section. Culprits in the power supply are the transformer, the Large Capacitors, rectifier, voltage regulator.
In the Main amp anything on the heat sink.
Look carefully for burnt or damaged parts. If there's more than one fuse, follow the path of the one that is blowing it might lead you to the suspect.

Dec 15, 2009 | Alesis RA-150 Amplifier

1 Answer

Need a fuse for Sansui stereo amp I purchased at a yard sale. Radio shack cares the fuse but doesn't know exactly which one.


Difficult question. Which Sansui amp? You could start small, say 2A, increase by 1's till it doesn't blow or if that is too expensive, 2, 5, 8, 10, 12, 15, get the idea? Just don't start big and expect it to work properly, the fuse that is, it is supposed to blow, not "let the magic smoke out".

Sep 03, 2009 | Audio Players & Recorders

1 Answer

Blows fuse when turned on


this is a normal behavior if one of the power supply transistors have blown. take the unit to an enlectronics repair. they can either change the transistors affected (usually more than one) or replace the power supply board.

May 29, 2009 | Sansui DTV3200 32" TV

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