The importance of electronic components around the IC

Troubleshooting and repair of electronic equipment can actually make us a great pleasure to always have a problem is solved. You do not how many hours were spent especially if you are a beginner and you concentrate only the failure to find and use the new equipment. What you want is the experience and pleased to learn new things as you progress more research about electronic repair. But some of us that troubleshooting electronic discontinued easily if you encounter problems that are difficult to solve, maybe you do not understand how the circuit works, and I myself in this situation before. Do not worry if you do not understand how a particular circuit for the work you I read on providing solution for you.

Often, a technician or engineer has a procedure or repair their own style equipment. I can say that Most of us, such as electronics repair shop to launch a first test to see what the fault is before you start to open the equipment and repair. For example, a monitor with a horizontal white line on the screen reveals that the fault is in the vertical section or circuit. Once the lid is opened, we direct the vertical section and look for dry joints, perform stress tests to verify the components, the test coil yoke vertical and even replace direct vertical IC.

This is a normal procedure for those who have extensive experience in the repair of electronics and truly understand how a particular circuit work. If you're new to this area do not understand or repair not really how the circuits work? So how do you solve the problem? Easy! Simply replace the direct part and check all suspected JI components around. Let me put it in a better image. A general problem related to the color plate of a color screen. If you do not understand how a spirit of color work circuit, never what you do is replace the color just right IC (usually the council will have two-one IC Video pre-amplifier and the other is the display driver IC) and retest the monitor. If the monitor works well, then your problem is resolved. But If the problem persists, then you must use another method is to check all the components around.

You do not think that many times the CI is not to blame and the real culprit was the surrounding components such as a ceramic capacitor short, diode or transistor. Two weeks ago, I fell on a widescreen LCD monitor with a few seconds. After some tests that confirmed that the board was defective converter. This a small board with SMD components in many, if processors couples high voltage and electrolytic capacitors. The converter is a circuit SMD so and I do not have that part. I check the components around before deciding online converter IC. You know what I found? I found a capacitor SMD short, somewhere near the inverter IC. The value of 0.15 microfarads and the capacitor again led the LCD back to life.

Another case was China made 15-inch, high voltage up to 15 kV and above, and then tested with a high voltage probe. I suspect that the horizontal circuit is causing the problem, but a new oscillator m / v (TDA4857PS IC) has not helped either. So I just soldered everything together Proximity (only the components on the horizontal spindle) and check one by one and found a rose in resistance of the resistance. I am able to start tracing pin IC, but I have found to remove all components of the envelope and testing which is faster.

This method can also be used if you do not find all the data for a particular circuit, for example, a model of new equipment on the market. As mentioned above, is not always necessary because of IC. However, if you have confirmed that all components tested around ok, then chances are high that CI indeed defective. This is only true if you are really sure that the circuit is causing the problem. In other words, you do not replace the horizontal / vertical oscillator IC when there is a color problem is that not?

Although you can repair electronic equipment, checking all the components around, in fact, I encourage you to learn Moreover, as the following signs of stress and how these methods can really speed up repairs. You must also learn to read the schema as well. I want you to know that some problems can be solved simply by checking around components. For example, if the H / V oscillator IC does not send a signal to pin of port B + FET, the screen becomes smaller (small width). Now, if you check all components on the circuit B +, I am sure you have not found any bad element here, because the problem is in the H / IC and IC V oscillator is a bit far from the B + circuit. Your time will be lost and the problem can not be solved!

Conclusion-This Act section as a guide to help you so that you can use the method check around for components in any type of equipment you want to repair boards that include the use of lots of SMD ICs. Your basic electronics and aptitude tests must be solid, but something worse than you might think this is good and at the end you will not be able to detect the fault. Continue to learn and improve yourself and believe that one day, you should get what you want to be. All the best for you!

About the Author

Check out the two links below. You will be pleasantly surprised to find out that LCD and Electronic Repairs are so Easy and Highly Profitable for even a novice. You can learn the repairing secrets easily.

Find out How to Repair Any LCD Monitor – It is a breeze!

Learn the Secrets of Testing Electronic Components.

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