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Restoring Your Sony Ericsson Xperia Using an Ultrasonic Cleaner

The Sony Ericsson Xperia X10 allows you to record impromptu moments in HD through an 8.1 megapixel camera and review media on its 4-inch touchscreen. Ready to be loaded with various applications and the latest Android platform, specs as great as these require constant maintenance. Keep your Xperia X10 up and running at its best by cleaning its printed circuit board (PCB) using an ultrasonic cleaner.

Sony Ericsson Xperia units can take a lot of abuse including being left out in the rain, dropped in the soup or otherwise rendered inoperable. Unless your Sony Ericsson Xperia is irreparably damaged, it can most likely be restored to operation in an ultrasonic printed circuit board cleaner. With the same technology used by printed circuit board manufacturers, ultrasonic circuit board cleaning quickly and safely removes contaminants from the delicate components in your Sony Ericsson Xperia.

Here you will learn:

  • How an Ultrasonic PCB Cleaner Works
  • How to Select and Set Up your Circuit Board Cleaner
  • How to Disassemble, Clean and Reassemble your Sony Ericsson Xperia

How Ultrasonic PCB Cleaners Work to Restore Your Sony Ericsson Xperia

Ultrasonic cleaners are used in a wide range of applications to remove virtually any soil or contamination by using the power of cavitation action. This is the term used to describe the implosion of billions of minute bubbles contacting Sony Ericsson Xperia PCB components and surfaces. The bubbles are created by generator-powered ultrasonic transducers bonded to an ultrasonic cleaning tank and typically operate at an ultrasonic frequency of 37 to 42 kHz (37,000 to 42,000 cycles per second).

When the bubbles implode contaminants are quickly and safely removed from PCB surfaces without damaging delicate parts. So tiny are the bubbles that they penetrate minute cracks, crevices and blind holes that might lodge dried residue, dust and dirt particles. The ultrasonic PCB cleaning system will complete the job in as little as 10 to 15 minutes. And it will do it in an environmentally friendly manner because the ultrasonic circuit board cleaning solution formula is a biodegradable concentrate that minimizes disposal problems.

How to Select and Set Up your Sony Ericsson Xperia Circuit Board Ultrasonic PCB Cleaner

Ultrasonic PCB cleaners come in a variety of sizes from bench top units to a floor-mounted industrial ultrasonic cleaners, so you can select any size you need. Our most popular models for cleaning Sony Ericsson Xperia circuit boards are the ¾ gallon Elma EH075EL and 1½ gallon Elma EH150EL. You should select an ultrasonic PCB cleaner equipped with a frequency sweep function, such as an Elma model, to prevent damage to sensitive components during cleaning. Choose a model also equipped with a heater to improve the ultrasonic cleaning process.

Whatever the model and size of ultrasonic circuit board cleaner you use there are steps to take before cleaning begins.

  1. Fill the ultrasonic cleaner tank to the fill line (or approximately 2/3 full) with ultrasonic cleaning solution such as Elma tec clean A1 diluted 1:20 with water.
  2. Turn on the ultrasonic cleaner, set the heater to approximately 50°C, and operate for about 30 minutes to drive off cavitation inhibiting entrained air. Degassing is complete when bubbles stop coming to the surface and must be performed every time the tank is filled with fresh circuit board cleaning solution.

How to Disassemble, Clean and Reassemble your Sony Ericsson Xperia

Step 1: Disassembling your Sony Ericsson Xperia

First, remove the back cover of your Sony Ericsson Xperia. Once this is removed, the battery, sim, memory card and even stylus can be easily removed as well. To get the back casing off, use an old credit card or any plastic opening tool at the bottom of the phone to separate the back casing protecting the phone’s internal parts.

With a screwdriver, remove the screw and lift the part it was holding in place. After doing so, you should now have access to two more screws. After removing them, there are two more covered screws located at the other end of the phone. You will need to lever off the covers to remove these two screws.

Again, run your credit card or plastic tool around the battery compartment of the phone. Remove the tiny piece of tape giving you access to a plug and socket type connector. Easily slide the connector out. Once the connector is disconnected, you may now remove the screw found on the top right part of the phone.

Lift away the antenna and detach the connector found at the top right. This connector attaches like a plug would to a socket so simply lever it up to unplug. There are clips found around the edge of the phone holding the green circuit board in place. One these are pulled back a little, the circuit board is almost released.

The circuit board can’t be removed completely yet, because it is still attached by a ribbon connector. Just remove the orange tape and simply lever the connector away from the keyboard. You may now pry the circuit board from the device.

You now hold in your hand, your Sony Ericsson Xperia circuit board.

Congratulations! You have successfully removed your circuit board from your Sony Ericsson Xperia! You may now proceed with the next step.

Step 2: Cleaning the Printed Circuit Board

Set the PCB ultrasonic cleaner’s thermostat to 50°C and activate the Sweep mode. While the solution is heating, place your PCB in the basket. If you are cleaning more than one at a time take care that they do not touch each other. Once the operating temperature is reached lower the basket into the cleaning solution and set the timer for 10 minutes. Cleaning time depends on the condition of the PCBs and may have to be adjusted.

At the end of the cycle remove the components from the ultrasonic unit. If they are not clean replace them in the bath until the cleaning is complete. Then rinse them in distilled or deionized water to remove all traces of the cleaning solution and avoid water spotting. Dry them with an air blower or warm air dryer.

Safety note: DO NOT reach into an operating ultrasonic bath. Instead remove the basket if you want to inspect or rearrange the parts.

Step 3: Reassembling your Sony Ericsson Xperia

Return the orange tape and lever the connector toward the keyboard. Once this ribbon connector is attached, return the circuit board to its original position. Push back the clips found around the edge of the phone to secure the circuit board. Attach the connector back onto the device. Also, don’t forget to return the antenna to the assembly.

Next, return the screw found on the top right part of your Sony Ericsson Xperia and then attach the connector back to the phone. Put back the tiny piece of tape and return the first backing cover to your phone. Return the four screws back to their original positions. Place the bottom cover back and secure the screw tightly in place. Return the back casing making sure that it snaps. Return the stylus, then the memory card, the sim and the battery. Once these are all in their original positions, return the back cover protecting the inside of the phone.

Admire the piece of work you just put back together.

Voila! Start your device and your Sony Ericsson Xperia should be good to go.

More Operating Tips

Any contaminants that rise to the surface of the ultrasonic bath cleaner should be skimmed off and disposed of properly. When the circuit board cleaning solution becomes discolored or cleaning takes longer it is time to replace it. Drain the tank and dispose of the spent solution according to local regulations. Take the time to remove any material that settled to the bottom of the tank. Clean the tank using a cleaning process recommended by the manufacturer.

Questions: Contact the ultrasonic cleaning experts at 973 821-4400

Disclaimer: This advice is not provided by a licensed technician. Follow at your own risk. We assume no liability for any damages caused by following the advice in this article.


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