Second, in most designs, the same pdn interconnects that are used to transport the power supply are also used to carry the return currents for signal lines. Wd my book home edition wd5000h1cs00 ac adapter charger. Western digital elements external hard drive power supply. Below is a list of publications relating to dtis power supply technology. In very rare case, the actual product we ship may or may not exactly same as the item pictured due to the camera we used, light refrection or the supplier changes the packing without notice, but the product you get will be always in the same size factor as the one pictured. Mybook drive wont power up need help external drives. In my set, the voltage between the inner pin and the outer wall of connector is 19,35 v and the voltage between the inner and the outer wall is 19,90 v. Basically youd have to figure out the internal sata channel, detach it from the usb converter, wire it to a sata connector, and add a power connection to the drive. Issue regarding using power supply for wd my book hdd super. On three i got the 44 volt reading and on one i got 57 volts. This is hazlitt before he became an advocate of the austrian school, and here he is not writing on economics but personal ethics as informed by ancient principles. New 12v ac power adapter for wd hdd, mybook premium. Id tend to believe the published manual, and running the switcher on 24 vdc makes more sense than running it on ac, but because you have documentation that also mentions an ac supply, you have to confirm which.
Western digital my book opening the case removing the drive i recently needed to removed the drive from a western digital my book external usbesata drive enclosure. Amazons choice recommends highly rated, wellpriced products available to ship immediately. My book live power supply external drives for pc wd. The adaptor features overvoltage, overcurrent and short circuit protection to protect it. Unfortunately, this wasnt an obvious process and this excellent article by scott cramer didnt apply to the newer version 1 tb drive enclosure i have.
The power supply needs to supply 12 volts power supply as in 120 volt ac to 12 volt dc. When i came home from vacation, my wd my book would not power on. Western digital my book power adapter best price in canada. Unfortunately my universities computer engineering program is still relatively new and does not have these specific courses. What a thrilling little treasure this is, a completely rediscovered book by henry hazlitt from 1922. Digital story works because it fills our heads with engaging emotional rhetoric and paves a compelling reason to act or think differently. The following are some of the best books on power electronics. New 12v ac power adapter for wd hdd, mybook premium, wd1600b014rnu, wd2500d032000, my book wdg1nc5000n, my book pro wd5000e032, wd1200b014rnu, my book pro wd5000c032, wd2500b015rnn. Western digital wdh1cs5000n my book home edition hard. If i may pull from the large amount of experience here, what would be a good power supply text book to learn these. I need a 230vac to 24vdc, 4a power supply to power an amplifier and the best value switching power supplies ive seen have been sold on led lighting websites as led driver power supplies. Ac input selectable by switchlrs150f universal ac input full range cooling by free air convection 150w200w forced air cooling by builtin dc fan 350w led. Purchase digital power electronics and applications 1st edition. Just unpacked from an intercity move and cannot find identify which of many bricks is that used for the 1tb my boo live.
Durabrand pdv709 pdb702 portable dvd car adapter charger power supply cord sadelco meter 1500 2000 3000 5000 800cli display max ac adapter charger power supply cord wire our price. Myvolts 12v power supply adaptor compatible with western digital. I need a power supply to use for a project im building. Plug it in pc first, wait few seconds, then plug it in wall. It says the adapter that ships with the device is a 12v, 1. Digital power electronics and applications 1st edition. Electronics and electrical communication engineering indian institute of technology, kharagpur, 2004 submitted to the department of electrical engineering and computer science in partial fulfillment of. An energy optimal power supply for digital circuits by yogesh kumar ramadass b. This is the first in the series of a closer look at western digital. I have to throw in a disclaimer that we are not endorsing any hard disk over another. Western digital wdh1cs5000n my book home edition hard drive, 500 gb capacity, 16 mb buffer size, 1 x hispeed usb miniusb type b, 2 x ieee 94 firewire 6 pin firewire and 1 x esata300 7 pin external serial ata interfaces, power adapter power device, ac 120230 50 60 hz voltage required, microsoft windows 2000, microsoft windows xp, microsoft windows vista, apple macos x 10.
So to recap, there is a voltage on the output, just the thing doesnt seem to want to supply very much current, dropping the voltage on most loads except for small things like small bulbs etc. Im using it with a western digital my studio book hard drive. Product title pwron ac power adapter fr western digital wd my book. Western digital my book opening the case removing the. High voltage power supplies a two page color data sheet describing powermod solidstate power supplies. Power electronics i about the tutorial power electronics refers to an interdisciplinary subject within electrical engineering that deals with the design, control and conversion of power in its electric form. Bought it from ebuyer oct 2008 and in nov 2009 it stopped spinning up.
Whatever voltage i measured at the power supply found its way to the usb plug shell once the power supply was connected to the hard drive. It was bent a little so i hastily began tryin to pry the case off with hopes of putting the hd in my desktop to recover. Western digital my book wd5000h1u00 hdd uk power supply adapter 12v transformer. To meet these needs, western digital offers the my book essential series of external hard drives. Myvolts 12v dc power cable compatible with western digital my book essentials. An energy optimal power supply for digital circuits. I have a my book essential that i lost the power supply.
Green light on power supply flashes for buy an original power supply, using a 3rd party adapter might damage your device and it might void your warranty. The benefit is that the thyristor will be in blocking state with normal working voltage applied across the anode and cathode with gate open. I called the western digital support line and they told me it is. A system that converts electric energy to an electric load through a control circuit is known as a power electronic system.
Nothing in my documentation even tells me the voltage required. Why do western digital hard drive power supplies leak so. I measured this on four different power supplies, all ones that came with western digital hard drives of various sizes. Today, powerpc platforms power network attached hard disks such as the my book live we are dealing with today. This 12v highquality power adaptor serves as a replacement psu for the western digital my book essentials external hard drive. Lecture notes on power electronics veer surendra sai. I am embarassed to admit that i have lost my power supply brick. The power of digital story comes from the power of the audience that is genuinely engaged in listening to its message. They provide outputs of up 10kv and power levels to 3 watts. Both outputs match both in voltage and amperage on the two power supplies. Ac adapter charger switching power supply cord plug wd western digital external hard drive hdd my book essential.
Straughen a classic and an old book on power electronics. Western digital my book essentials external hard drive 12v. Software and devices that carry the works with windows vista logo have been tested for baseline compatibility with pcs running. There are two 2n3772 transistors on the back outside. Compact power supply a two page color data sheet describing powermod solidstate power supplies designed for high efficiencies and small footprints. Every now and then we are going to profile products from the major hard drive manufacturers. The n series high voltage power supplies are regulated high voltage power supplies.
The output of each power supply is tightly regulated against line and load changes to better than 0. The my book live is based upon the apm82181, a 800 mhz powerpc 464 based platform. I have a problem regarding my batteries charging and suspect my power supply has a malfunction. Ac adapter for wd my book essential wdbacw0030hbk charger power supply cord psu.
I jokingly thought to myself well, if the 12 volt reads 20 volts, then a 9 volt should read 12 volts right. Find low everyday prices and buy online for delivery or instore pickup. Bench power supply failed electrical engineering stack. I have a candidate for the joblabelled li shin international enterprise corp ac adapter 12v output 4. Wd western digital 1tb my book hdd 2a ac adapter charger. The output voltage of the n may be varied either with the unit trimpot, an external. Plug in the supplied external ac to 24vdc power supply into the connector to supply power to the ars unit. First step is to choose a thyristor with forward breakover voltage say 800v higher than the normal working voltage.
Replacement power supply for 12v western digital my book live. Bensn universal 12v dc adapter power supply for western digital my book essential external hard drive 4tb 3tb 2tb 1tb and seagate external hard drive hdd 1tb 2tb 3tb 4tb power cord. My wd my book essentialbook is not getting power ifixit. Please anyone of you please could verify the voltage at the connector of nx9420 power supply. This is a fixed voltage 12v power supply adaptor designed to meet exactly the power specification of your device. Provide power to the chip transistors maintain the voltage during chip operation ir noise wide traces onchip. The connection to the back of my hard drive is sensitive and can get pulled out easily if the hard drive is moved without care, but i dont know if thats any fault of the power supply. This adaptor features overvoltage, overcurrent and short circuit protection to protect your device from damage. Wd my book essentials 1tb 12v replacement power supply. Western digital wd my book 4tb wdbfjk0040hbk ac power. I should be ok as long as i select the correct output voltage and sufficient current output rating for my application, right. Ac adapter charger for brother ptouch pt1880 printer power supply cord ac adapter charger power supply cord for fits asus pa165066 laptop ac adapter charger for asus g74sxrh71cb 17.
Hello guys, i tried to power up my drive wich is a mybook 2t cant really tell more about it, it always worked nicely but i havent been using it for a while, tonight i tried to plug the 12v adapter into the wall and didnt launch also connected 3. Buy new 12v ac adapterpowe supply for western digital external hard drive my book world edition ii white lights, my book world edition white lights, my book mirror. Western digital my book external hard drive wont turn on. I do not know the correct voltage or amps so i can order the correct replacement the first time. Before buying any new parts or paying for repairs, try this. I looked on the back at the power supply port and all it say is dc in. My wd my book essentialbook is not getting power i accidentally knocked this sucker off my desktop and the power adapter caught the weight. I checked its output with a voltmeter and its reading 20 volts almost perfectly.
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