Power Cord For Pioneer AV Receiver

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Archive7

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I was given a not so old (2011) Pioneer AV receiver.
The receiver came without the power cord as the previous owner couldn't find it.
So I am trying to find a power cord that can work without any problems.
The back of the AV unit looks like this

VSX-421-K Back.jpg
I tried a standard power cord that I use for a PC and it fits into the power socket.
BUT, as you can see from the photo, there are only two pins, presumably the AV unit is not supposed to be grounded, although the unit packaging is metal.
Will there be any safety issues using the standard PC power cord, with a three pins power plug (grounded)?
Or should I look for an original Pioneer Power Cord cable instead?
Not sure if the original cable has a three pins plug (into the AV unit) or only two or what does the mains plug looks like?
My Sony AV Receiver has a two pins standard European mains plug and the cable is not detachable from the unit.
Thanks for your comments.
 
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pgh13

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Don't see any problem; there's nothing for the third core to connect to so it'll be like it isn't there.
 
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Archive7

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Don't see any problem; there's nothing for the third core to connect to so it'll be like it isn't there.
The ground core is along the whole length of the cable, and although it is not connected physically to the AV unit, it might cause some humming problem, especially on high volume.
 
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davemurgtroyd

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The ground core is along the whole length of the cable, and although it is not connected physically to the AV unit, it might cause some humming problem, especially on high volume.
How will it cause humming when it is not connected to the receiver - there will be no "ground loop"
 
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pgh13

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If you want a 2 pin lead, look on Fleabay for X Box 2 pin power lead.
 
jeallen01

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The photo shows the "concentric double squares" printed on the back of the Rx which means that it is safety Double Insulated (technically called "Class II", and that's not the US "Class 2" which is entirely different!) and does not need a protective Earth/Ground in the mains leads.

Don't think that a mains lead with an Earth conductor would cause hum issues -, but, OTOH, I have had to add small earthing conductors to my mainly Class II AV system - with, then, a connection to the supply mains Earth pin in a mains plug - to eliminate hum issues! Also, when you connect a lot of Class II together you can get quite high collective leakage currents on the chassis of any of the units, which can give you quite a "nip" if you touch it and "true Earth" (such as a c/h radiator) at the same time - the small Earth connections I add do however eliminate that! :D

Therefore, in any country (could be Israel??) where there are a lot of un-Earthed mains outlets, I recommend the same small Earth connections solution, having connected the lot to "true Earth" (in a socket or a water/ c/h pipe).
 
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