Thursday, 7 February 2013

Unique Content Article on online computer,hardware,technology

Repair LCD Power Supply -The Simple Method


by Dean Miller


Troubleshooting LCD monitor power pack is a lot easier than that crt monitor power. It is usually small together with compact and usually has only one output which is 12 volt and range from 2 ampere to over five ampere. Several designed get 18 and additionally 24 volts additionally. Nowadays most LCD electricity supplies are generally build on the main board like the Dell E151FP LCD Monitor although older category were separated as electrical power pack component.

The electricity pack element type is straightforward to diagnose reside can change another working unit just to verify is the capability pack which giving problem. You can also use a particular external dc power to switch on the LCD to confirm if the capability pack is usually faulty.You can take 240V FULL RACK VERSION .

Unless you have that external dc power supply, you may well always use this method to help you isolate the challenge especially that symptoms are no electricity, low electricity and electricity blink. Using the rear bulb (12 volt) from your car and additionally connect it on the power wrap output jack port. If the idea light brightly then the power wrap is o . k. If that blink and dim the strength pack get problem. Why ought to use this method to test it? Because, if there are actually components shorted and leaky in the LCD significant board, it will affect the capability supply functioning. 127 Volt PDU best for you.

From skilled, most of the LCD power supply problems whether in the power load up or built in main board were with the failure of electrolytic capacitors (most probably as a consequence of heat) in the primary and secondary section. Most in the capacitors contain a high ESR which causes the power supply to generate low productivity, blink and also no power whatsoever. Typical benefits electrolytic capacitors with the primary aspect are 47 and 100 very fine farad 50 Volt and the secondary sides are 1000 to 2200 minuscule farad 26 volt. Sometimes now you can see the capacitor best casing have become bulge and also the sleeve which covered that capacitor casing changed into darker colors like brown.

Troubleshooting LCD power isn't that difficult provided once you learn how an electric supply work. If that you're unsure of methods to troubleshoot power supply, I urge you to read all my power supply articles at the power give page. I will carry on and post even more power supplies articles at that web site and hope you could drop by on a regular basis to consider my website.




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