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I need to know what voltage and which polarity I need for a power supply for my wd5000po32 backup disk as I seem to have about a dozen different power transformers on hand. hope you can help

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12 VDC for most of the Drives...

Any how have a look at the following link....

http://www.wdc.com/en/products/productcatalog.asp?t=2#jump136

Posted on Aug 22, 2010

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There may be many different power supplies that will work for your speaker system, but they must comply with the following:
1. The output voltage of the power supply should be correct as what the speaker system requires. (seems like 12 V in your case)
2. The specified maximum current output of the power supply should always be a higher value than the Amperage spec of the speaker system.
3. The output wires or pins of the plug on the power supply should correspond to the (+) and (-) on the power input of the speaker system.

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Each device is different.
If the receptacle for the plug is not marked, you have few options.
I suggest the following.
Go buy the exact same setup from a store you can easily return it to.
Take the whole box to Radio Shack and explain that you need a power supply to replace the power supply in the box. They will sell you one, plug and all, for about $10-15.
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Hello,

Your monitor needs a 12volt 5amp power supply with + 5,5mm tip. Most universal power supplies will not supply enough amps to power an LCD monitor. If you need an adapter we do have them in stock at:
http://www.ccl-la.com/parts_lcd.htm

I hope this helps, if so please rate this solution.

Buddy
Corporate Computer
www.ccl-la.com

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1 Answer

I need to know what the power input is on this unit. I have one, and a pile of power supplies, but I don't know which one this unit takes!


Well, I think that above the power socket you will read the power rating, at least the voltage. If I see correctly on some picture I found, it says 12V.
Another very important thing is the polarity, which also seems to be shown on a picture near the power socket - whether it's plus on the inside and minus on the outside of the plug, or the other way round.

Once you establish these two facts, you have to look for a power supply that has a proper voltage, a polarity symbol as on the HDD box, and an output current anywhere between 1A to 2.5A

My guess would be 12V, positive inside, and 1.5A output - but that's just a slightly educated guess.

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I had the same problem and was able to fix it by finding a replacement cigarette lighter power cord with the same voltage and polarity. Input to cord is 12Volts. Output to GPS is 5Volts, with a positive center post.

larryjm123

PS I need an instruction book and disks (or disk copies) if you know where I can get them. Delphi no longer has them.

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