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I need a power supply replacement for a Dual CS455-1 turntable. I need to know amperage and polarity or where i can order an original. Thanks!

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SOURCE: Need to know polarity of power supply for JBL

Look where the plug goes in
There will be a C shape with a dot in the middle. Follow the line attached to the dot and you will see a + or - which is the polarity. Next you need to know Voltage. Look in the same area, or on the label for this info. If there is NO info by the power plug, it might be AC, which has no polarity - just plug it in. The label may have this information and will say something like 12VDC or 12VAC that is the key. DC Matters (+ and -) AC does not.

Posted on Mar 26, 2009

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SOURCE: Want to know polarity of Zip 100 DC power supply.

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Posted on Apr 21, 2009

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SOURCE: What voltage and amperage the western digital

Mine has a 12V 4A power supply. This is not generally available as a generic replacement, due to the high current required. Good luck!

Posted on Mar 01, 2010

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That label on the lower right of your photo shows the polarity connections. It looks like the (+) is on the inner connector and the (-) is on the outer or shell. You need a 12 volt power supply of at least 1 amp rating. You can buy a power supply from radio shack that will have different plugs so you can choose the one that fits. Just make sure the polarity is set correctly. If your not sure bring the turntable into radio shack and ask him for a power supply for it.

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Your next issue will be to deduce the polarity. Look at the Schwinn to look for a symbol that will show you polarity. Typically the center of the plug is: + positive and the outer shell is - negative. There are instances where those two are reversed.
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As long as the only thing damaged is the power cord, this should be easy. You said that you needed to know how to tell which side is positive and which is negative? The power cord carries alternating current not direct current. So in this case, polarity really isn't important. The same applies to the two yellow wires supplying the main motor board. They are A/C too. As long as the replacement cord you use is of equal or higher power handeling, and you make sure your connections are solid, it will work fine regardless of polarity. Just be sure the only problem is the cord. Check this link to be sure. Good luck, EW.
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Normally these low power turntables connect to a unit audio system that supplies them with power. If you find out that you should be able to track down the specifications of it.

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