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No power getting into unit. Is there a fuse or is the power supply shot?

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There is an internal fuse, usually sits near the mains input socket on the internal power supply. It may have just "popped" so replacing it might activate the VCR. However if it has blown severley then there will be a short circuit in the power. If is has not blown then you need to check that you are getting the secondary voltage from the transformer using a multi meter. It is most probable one of the capacitors in the power supply has failed. Take a close look at them to see if there is any swelling on the top of any capacitor, if so replace it.

Posted on Jul 29, 2009

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Iplugged my jvc rx-7010vbk 120v reciever into a 220v outlet, does it have a power supply fuse that would burn out or is the whole power supply shot, what parts do i need to fix it


more than likely the whole board is shot
fuses only control current flow and break when that is exceeded
It is the voltage that does the damage that same as when you put 12 volts through a 6 volt bulb

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MY Wii Console wont power up and everything is connected?


HI. this is a power supply issue. Your unit is equipped with an external power supply unit. This box incorporates all the necessary AC current regulators, and transfer agents to run the Wii. There are ,also, some protection circuits as well. These are in place to protect the unit from surges are unstable AC spikes as well. There is a fuse that is located inside the power supply box. Simple unplug the power supply, and gain access to the fuse, by removing the outer cover of the power supply unit. there are a few screws,(on the bottom), that hold the top cover. remove the screws, and open the power supply unit. this will expose the fuse. Kindly, inspect the fuse. if it shows signs of trauma, and it is blown, simply replace the fuse.

Now, if the fuse shows no signs of trauma, or burn marks, this will confirm power supply circuit failure. This will require that you replace this damaged power supply unit asap...

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1 Answer

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HI. this is a power supply issue. Your unit is equipped with an external power supply unit. This box incorporates all the necessary AC current regulators, and transfer agents to run the Wii. There are ,also, some protection circuits as well. These are in place to protect the unit from surges are unstable AC spikes as well. There is a fuse that is located inside the power supply box. Simple unplug the power supply, and gain access to the fuse, by removing the outer cover of the power supply unit. there are a few screws,(on the bottom), that hold the top cover. remove the screws, and open the power supply unit. this will expose the fuse. Kindly, inspect the fuse. if it shows signs of trauma, and it is blown, simply replace the fuse.

Now, if the fuse shows no signs of trauma, or burn marks, this will confirm power supply circuit failure. This will require that you replace this damaged power supply unit asap.>>

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1 Answer

We lost power last night for 4 hours due to a storm and when it came back on the monitor did not come back on. I plugged it into my work computer and nothing, no grenn power light, nothing? I bought this...


Power supply or fuse is shot most likely. You can use a voltmeter and test power coming from power supply to main board. Some units use a high voltage transformer instead of a power supply. You can get parts at tigerdirect.com

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No power when i turn on my mk3 turntable


Check the internal fuses. There are two. You have to strip the unit down to get to them.

This video will show you what's involved:

http://www.youtube.com/watch?v=CDYgjwdQ55s&feature=channel_page

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1 Answer

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Either there is a bad fuse under the cover, or the power supply is shot. THe fuse should be a glass fuse which has a wire inside of it. The wire should extend all away across the fuse. If it doesn't than the fuse is bad. If fuse looks ok, the power supply is probably shot.

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All you need to do is leave the unit unplugged for approx 30 mins, replug in and you should be set.

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You should remove the cover of the air conditioner. Than look by the box that the plug-in cord goes to. See if there is a fuse that needs to be replaced. Should be a glass tube fuse. Inside the fuse is a thin wire that should reach all the way across both sides of the fuse.

If the fuse is good, than your power supply is shot.

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