How To Fix A Phone With Water Damage Effectively

| Sunday, July 17, 2011
By Louise J. Edwards


With the advent of electronic devices, the convenience that they afford has made it a vital skill to learn how to fix a phone with water damage. There is a high probability that an electronic device that you own will get waterlogged at some point. Knowing what to do immediately is a definite skill one should have to minimize costs in repair or buying a new unit.

Repairing a cellular at where you bought will not come cheap, but there are some troubleshooting tips that you can take to prevent the liquid from destroying vital parts of the electronics so that it is not rendered useless. If your device gets logged in liquid, remove it from the liquid immediately, dry it off externally with a dry cloth, and begin to take it apart as best you can.

The battery pack is the first thing that one should separate from the unit, along with the sim card. After this is done, separate these parts and fill a container with alcohol and soak the rest of the unit in the alcohol to displace unwanted liquids for three minutes. Displacing the liquids is important because you don't want these liquids corroding the metal parts of your phone.

There are situations when a person will drop their unit in coffee or juice, which is very sticky and thick. To prevent stickiness in the unit, it is best to soak the device in distilled water for a few minutes to get rid of the stickiness. Once this is gone, then the unit can be soaked in alcohol to displace the water and prevent corrosion.

After three minutes of soaking, remove the device from the alcohol and place it on a dry highly absorbent cloth to dry. You can help it along by drying off parts of it with earbuds. It should take about two hours to dry completely. Shake the device once in a while to dislodge any alcohol that is stuck in hard to reach places.

Using a hair dryer at its cool setting will help you dry your cellular device faster. It is best to use a cool setting so that plastic parts inside the unit do not melt. Once you are sure the entire unit is dry, reinstall the battery and sim card and test the unit.

When your unit becomes waterlogged, this is one of the most tried and tested ways that have proven to be successful when learning how to fix a phone with water damage. But if this procedure is not successful, then you may have to bring it to a repair shop to be looked at by a professional technician.




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The Ongoing Advancement Of Radio Technology

| Wednesday, July 6, 2011
By Lewis Gil


Radio receivers are electronic circuits that detect, demodulate and amplify transmitted signals. These signals are then converted into forms usable for the consumer such as sound, pictures, digital data, measurement values, navigational positions, etc. Radio receivers come in various types and among these are audio and high fidelity audio receivers, satellite television receivers, and crystal radio receivers or radio sets.

An AV receiver is a type of receiver which uses an amplifier, a preamp/processor, and an FM/AM tuner. Along with audio and high fidelity audio receivers, this type of receiver is the most commonly used type especially by home stereo listeners and audio and home theatre system enthusiasts. The increased need in better audio is brought about by the increasing number of high definition television and home theatre systems found in the market. On the other hand, there are also the satellite television receivers which can be considered as the most widely used radio receiver in the world today. This type of radio receivers is used to receive television programming from communication satellite found din the outer space. Given the fact that almost all homes in the world have at least one television set at home, it is no wonder that this type are the most popular and widely used.

Used in the reception of modulated AM/FM signals, crystal radio receivers or radio sets as they are commonly known are considered as the simplest type of radio receiver. The first example of this radio sets are the transistor radios popular during the early 1900's. These days, AM and FM radios are being integrated as parts of more common music and sound sources which includes cassette players, DVD/CD players, MP3 CD, USB key players. Other popular types of radio receivers include the communications receivers, specialized-used receivers, measuring receivers, and scanners. All these types of radio receivers are commonly used fro the purpose of entertainment. However, it is also important to note, that besides entertainment, these are also being used as tools fro business as well as security purposes.

The discovery of electromagnetic waves in 1850 by James Clerk Maxwell led to the invention of the first ever radio receiver. Heinrich Hertz in 1887 further demonstrated the function of electromagnetic waves trough using spark gas equipment which he used to transmit and received radio waves. By the year 1986, Alexander Stepanovich Popov designed the first radio receiver and was introduced to the public through the All Russia Exhibition. The experiment showed the process detecting an electromagnetic signal by a wireless device and then converting it to a usable form, much like the way our modern mobile phones work.

The technology of receivers is continuously moving forward in the present time. This technology is gradually but regularly improving from the initial discovery of the electromagnetic waves to the invention of transistor radios to further improvements made to radio sets. Nowadays, a more popular form commonly used in the digital world is digital signal processing. This is a process of wherein signals are being converted to a digital stream and then are mathematically manipulated. Functions usually performed by an analogue intermediate frequency stage can also now be processed through the different soft wares that have been developed.

Communication and entertainment have been easier and more accessible to consumers due to the different improvements in the radio receiver technology. From the first transistors, radio receiver technology has evolved leading to the invention of different devices such as radio sets, television sets and cellphones which have also become an integral part of everybody's lives.




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Satellite Radio: Is It Expensive?

| Sunday, July 3, 2011
By Owen Jones


Satellite radio is highly popular these days and it is growing in popularity more and more every day. If you are not certain what satellite radio is, you can look at it like cable or satellite television. In essence, satellite radio is a subscription only service. It has a colossal assortment of radio stations that are not accessible on the ordinary AM or FM services.

If you are wondering about how much satellite radio costs, then the answer is the maddening one: it depends. It depends, because there are a number of variables, such as the apparatus itself, installation fees and monthly fees. Equipment from the various manufacturers varies a lot as well.

For example, Bose is more expensive than a Chinese item from Walmart. Installation charges vary depending on where you live and who you use and the monthly fee will depend on which package or bundle you select. So, regrettably, the answer is: it depends.

There is also a one-off 'activation fee'. This costs about $15 if you do it by phone and about $5 if you it over the Internet. However, the push is on to get you signed up, so there are frequently promotions on doing away with this outrageous rip-off fee. As if you will not be paying enough in monthly charges for the rest of your life!

If you want to install satellite radio in your car, you have two alternatives, if your existing radio is not 'satellite ready'. You can either buy a new car stereo that is 'satellite ready' or you can purchase a satellite signal receiver and decoder unit and plug it into your present radio. This decoder can be hidden away under the driver's seat or stashed in the trunk of the car. You will also need a new antenna on the roof.

Costs vary outrageously, but let's average it out at $600 for a good, new, satellite-enabled, ready to go stereo fitted and working or $350 for a cheap system using your own radio, but also ready to receive satellite broadcasts. So, you could say, on average, for around $500 you can be listening to satellite broadcasts.

However, just as with laptop computer prices, demand creates downward pressure on prices and by the time you read this piece, the price could have halved. Let's hope so.

Portable satellite radio receivers can be a little cheaper, mostly because there are no installation fees and come out at about $400.

Then there are the monthly subscription charges. As I said above, this depends on the package you select. The average charge is $10-$15 a month, but specialized channels can be extra. For instance, you could receive the Playboy channel for free at one time, but the normal charge is $2.95 per month.

Sport may cost more, especially for a finals match. Sometimes, you can get a discount for paying annually and Sirius even has a one-off, lifetime option at $500. Perhaps the best thing to do is keep an eye on the promotional offers and be ready to pounce quickly when a fitting one comes up.




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