Question about Onkyo SKS-HT520 System

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Electrical surge. The fuse blows off soon as connected. Is the transformer gone?

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Check the electrolitic capacitors and check if they don´t got burned

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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Panasonic NN-C2003S microwave is completely dead. No lights, no action. Have taken cover off and checked fuse, which looks like it is in good condition.


Would need to check power to main board. A lot of times it is the small low voltage transformer on the main board. If the primary winding goes bad it cant get power to the rest of the board to function. So to start, is there power getting to the low voltage transformer on the main board??Have you had any thunder storms or power surges at your home where it is plugged in? If a home loses its Neutral power line it can mess up a lot of electrical devices in the home. do you notice your lights browning at times. If so you may need to get your power company out to do a load test on you system. But the transformer is a very low amp device and will not blow the main fuse if it goes bad. So you could bhave aburnt trace on the back of the main board or a bad transformer. Best guess. Good luck

Jun 26, 2017 | Panasonic Microwave Ovens

1 Answer

Jbl eon 518s power trip on stabilizer/transformer


hell no thats a fire hazard.. I am thinking that the surge is more that that unit can handle..surge is the extra power needed to start up an electrical piece of equipment..surge can easily double the amount of power required for startup..may need a new powerstrip with a much heavier rating..

Jan 12, 2014 | JBL EON 518S Subwoofer Speaker

1 Answer

Keep Blowing Fuses on my ford galaxy for interior lights, soon as I put it in it blows Can anyone help ?


Check how many volts/amps in your interior lights, and check also how many volts/amps on your fuses it suposed the fuses has a twice higher amps than the lights. Or it might you have electrical shorted on your electrical, check on the diagram ang follow the lines for the open wirings connections

Aug 21, 2013 | Cars & Trucks

1 Answer

I have a speed queen sc35md2yu40001washer that keeps blowing the 2amp fuse as soon as I switch on the breaker it is the fuse where the incoming power goes through before it goes to the transformer


Good job tracing the location of the fuses. Now, logically, the transformer is the next thing to check. When power is turned off at the house breaker, remove one of the wires on the output side of the transformer and see what happens when you turn the power back on. If the fuse blows, the transformer is shot and needs to be replaced. If not, go to the next device on the circuit, etc...

Jan 16, 2013 | Washing Machines

1 Answer

I have a smart pool dolphin robo-kleen pool cleaner. It keeps blowing fuses. Can you help?


If it is blowing fuses, it sounds like it is going to be your connection to the transformer and not the pool cleaner itself. Unfortunately, if you are not a trained electrician, you should not attempt to fix your transformer. It is very dangerous to try to adjust electrical settings without training, and I can't recommend that you do that.

Apr 12, 2011 | Smartpool Dolphin Robo - Kleen Above...

3 Answers

Microwave keeps blowing fuse


If it blows the fuse as soon as you hit the START button, it's almost certainly a shorted high-voltage capacitor.

If it blows a few seconds after you hit the START button, it's probably the high-voltage transformer. You'll possibly also smell a faint electrical burning smell from the rear vent after you shut if off.

If it blows the fuse as soon as it's plugged in, you probably have a shorted door switch, a shorted varistor, or an internally exposed wire shorting to the chassis, etc.

Nov 19, 2007 | Microwave Ovens

3 Answers

Wont turn on


If it blows the fuse as soon as you hit the START button, it's almost certainly a shorted high-voltage capacitor.

If it blows a few seconds after you hit the START button, it's probably the high-voltage transformer. You'll possibly also smell a faint electrical burning smell from the rear vent after you shut if off.

If it blows the fuse as soon as it's plugged in, you probably have a shorted door switch, a shorted varistor, or an internally exposed wire shorting to the chassis, etc.

Nov 11, 2007 | Frigidaire GLMB209D Microwave Oven

1 Answer

Blown fuse


Sounds like a problem in the transformer (a short) possibly visible as surface burn marks on the transformer coils. This can sometimes be fixed, but is not usually worth it for a small transformer, but easily replaced. Also check that there is not a short where the power cord connects to the workings of the tv, maybe a loose connection or some debris. Hope this helps :)

Mar 18, 2007 | Mitsubishi VS-50607 50" Rear Projection...

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