Monday, August 22, 2011

Repair LCD Power Supply The easiest way

!9# Repair LCD Power Supply The easiest way

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Troubleshooting the LCD monitor power supply is easier than the supply of power to the CRT. And 'small and compact and usually has only one output, the 12-volts and amps vary from 2 to more than 4 amps. Some have also designed 18 to 24 volts. Nowadays most LCD power supplies on the motherboard such as the Dell E151FP LCD monitor to build, while the old type, such as the power module has been disconnected.

The power from the power module is easy to diagnose because it can replace anotherUnits of work just to be sure, is to give the power plant that problem. You can also confirm a DC power adapter to power the LCD, if the power supply is faulty. If you do not have the external power supply, you can always use this method to isolate the problem, especially the symptoms are not allowed to flash a low power consumption and performance. Using the back of the light bulb (12 volts) from a machine and connect the power output. If there is light then the power supply is fine. If it blinksor dim the power supply has a problem. Why use this method should try it? Because if shorted or leaky components in the main LCD board, it will affect the power.

By experts, most of the problems of LCD power supply, AC adapter or integrated into the motherboard were due to the failure of electrolytic capacitors (probably due to heat) in primary and secondary. Most capacitors have high ESR, causing the power supply,produce low-power, flash or no power. Typical electrolytic capacitors on the primary are 47 and 100 microfarads, 50 volts and the secondary site 1000-2200 microfarads 25 volts. Sometimes you see the capacitor is swollen upper chamber and the condenser sleeve that covered the body of a dark color such as brown have become.

The power in some of the LCD are still using the UC3842 pulse width modulation (PWM) IC. This type of integrated circuit is quite easy to findon the market, some power-IC, which is becoming very difficult to compare. Samsung 153V LCD has the power ic TOP247F to eliminate a lot easier if the power fails in this model. Some power plant, burned it, and soon after learning to clean and replace the fuse, it will work like new.

LCD resolution of feeding problems is not that difficult if you, as a power supply to work, knowing provided. If you are unsure of how to deal with the power, I urge you toread all my products in the power supply. I will continue to publish articles gives more strength to this page and hope you could drop by often to check out my website.


Repair LCD Power Supply The easiest way

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Saturday, August 20, 2011

Looking for a good 72-inch TV? You will find several options in line

!9# Looking for a good 72-inch TV? You will find several options in line

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The advent of technology has brought new functionality and increased competition between television production company. Samsung and Mitsubishi is the good-known brand for the 72-inch TV. There are two types of flat screens, which are common, and are the plasma screens and liquid crystal displays. The good 72-inch TV is primarily a plasma TV as the liquid crystal technology for large screens used are expensive.

The innovation indicatorincluded in liquid crystal displays are LCDs in terms of image quality to improve. If you are looking for a good 72-inch TV, requires not only the initial investment, but also time and money in the long way to analyze lost. When you choose a plasma TV, you should know that there might be a good 72-inch TV will be the purchase, but in the long run may prove very expensive. Electricity consumption per square centimeter of the screen will be larger with the increase of the screenSize. LCD screens are the best option for the big screen, even if the initial investment is high. The larger the screen the bigger the initial investment. But in terms of energy consumption is very good and reliable. It consumes very little power per square inch on the screen and is also more durable than plasma.

When you think of buying a big screen, you should consider several factors. One of these is the distance at which the audience sits. Some of the screen distortedand reduces the image resolution as a distance from the center of the screen. If the seats in the living room are not parallel to the screen, the choice is plasma TV. The liquid crystal display, change the color saturation and resolution of the images on your TV with the variation of the angle of the viewer. They sit on the corners not able to enjoy the features of the liquid crystal display when the seats are not parallel to the big screen.If you consider buying a small TV set is then the liquid crystal display is the best option. Plasma TVs are made only for the screen size higher.

Other options in addition to plasma and liquid crystal displays, rear projection TVs and front projection home theater systems. The rear projection TVs are also cheap 72-inch TV with additional features. Although it is cumbersome, it takes only a little 'space on the floor. Front projection systems require the use ofProjector to display movies and images on the screen. The resolution is not as perfect as that of plasma and liquid crystal displays. An in-depth review on the Internet, all information needed to plan the ideal way to get the best deal in large flat-screen panels. Spend 15 or 20 minutes and passes through several reviews can be a clue on what type of purchase.


Looking for a good 72-inch TV? You will find several options in line

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Thursday, August 11, 2011

Mitsubishi WD-73738 73-Inch 3D DLP HDTV

!9# Mitsubishi WD-73738 73-Inch 3D DLP HDTV

Brand : Mitsubishi | Rate : | Price : $1,397.77
Post Date : Aug 12, 2011 05:57:18 | Usually ships in 1-2 business days

73" 3D DLP Home Cinema TV. A software upgrade may be necessary (consumer upgradeable) for compatibility with newer 3D source formats.

  • 73-inch DLP HDTV with intensely vivid 2D and fully immersive 3D viewing; StreamTV Internet Media access
  • Utilizes the same core DLP technology that powers the vast majority of 3D Cinemas
  • Smooth120 technology for more fluid, natural motion; EdgeEnhance technology for less distortion; stereo speakers (10w x 2)
  • Inputs: 3 HDMI, 2 component, 2 composite, 1 USB, 1 Ethernet, 1 optical digital audio output
  • Measures 65.2 x 43.6 x 17.9 inches with stand; Energy Star 4.0 qualified

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Sunday, August 7, 2011

Mitsubishi WD-65638 65-Inch 3D-Ready DLP HDTV

!9# Mitsubishi WD-65638 65-Inch 3D-Ready DLP HDTV

Brand : Mitsubishi | Rate : | Price : $879.99
Post Date : Aug 07, 2011 17:29:50 | Usually ships in 24 hours

65" 3D Ready DLP Home Cinema TV

  • 65-inch DLP HDTV with intensely vivid 2D and fully immersive 3D viewing
  • Delivers incredible picture performance at an exceptional value
  • 120Hz Sub-Frame Rate for a blur-free picture during fast action; stereo speakers (10w x 2)
  • 3 HDMI Inputs; 2 Rear Component/Composite Video Inputs
  • Measures 58.2 x 39.5 x 16 inches with stand; Energy Star 4.0 qualified

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