Question about Western Digital 500GB ELEMENTS 500 GB USB 2.0 Hard Drive
If the green indicator diode comes on for a second or two, then goes off, then the protection circuit in this PS is being activated. This PS is a SMPS with two surface mount IC - one is the pulse width modulator and the other I think is a voltage regulator. The PWM chip will shut down the PS if the temperature rises or it receives a signal from the regulator. This is what I think happens to cause the PS problem.
The only way to deactivate the shut down, is disconnect the drive, disconnect the mains and turn the mains back on. However, as soon as you put a load across the PS, the green light will go out and the PS shuts down again.
The most likely cause of this will be one of the four filtering electrolytic capacitors on the output side of the transformer. They are easy to spot as they are clustered together and are probably dark green. Look closely at the relief valve stamped in the top of the cap - it this shows signs of bulging, then you have found your problem. Order the caps of ebay for about a £1.00 and your problem is fixed.
It has been known that fake electrolytic caps have been circulating around for quite some time. Interestingly, the one that blow on me was also used on motherboards, and this is where the fake caps caused most problems.
Posted on Nov 05, 2009
Look on eBay Acbel AD6008 or Asian Power Devices DA-30C01 (they are interchangeable assuming you have one or the other). I bought a second and then I learned that the problem was hard drive casing - so you should probably check that before spending money on a new power cord.
Posted on Aug 17, 2009
In the tech store, like staples, you can have a generic power supply for your device or you can check the specification of the powersupply.
check this site: http://altec-lansing-reviews.com/the-acbel-ad6008-store-center/
Posted on Jul 14, 2009
That is what you need. I know it says it is for a LCD monitor, but Western Digital also used these same power adapters for some of their External Hard Drives. You can also check around on Ebay too. Please don't forget to rate! Thanks!
Posted on Jul 14, 2009
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Posted on Jan 02, 2017
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