Capacitor Replacement
If you found an e-cap bad and could not locate the same exact value, usually you will look up for a replacement that have higher voltage-am i right? For example, you replace a 470uf 25 volt with a 470uf 35 volt capacitor. The question now is could you replace the e-cap say with 470uf 150 […]
About Burnt Components
If you found one or few components burnt and after replacement and those components burnt again then you have to set a standard procedure to tackle this kind of problem. Many times components rarely burnt by itself especially the resistors. There must be a reason why the component burnt. What you must do is to […]
Repairing Your Own Digital Capacitance Meter
Have you encounter before a blown digital capacitance meter caused by undischarged voltage from the big filter capacitor? Sometimes one may have forgotten to discharge the big capacitor and directly place the test leads on the cap. You will hear a sound “Pop” and then the display will go off. The sound was from the […]
Finding Transistor Specification
Sometimes i really do not understand why the semiconductor manufacturers do not print out the full part number at the transistor front casing and left out few alphabet and give us hard time in locating the data/spec? Many times without the first few alphabet in the part number, you will not be able to locate […]
About Supply Input To Power IC
Voltage testing is one of the fastest way to determine if a particular section or a component have problem or not. Whenever there was a complaint of no power in an equipment, the first thing i check was the fuse. Next i can either check the supply input to power IC or the output voltages […]
European Code Or Japanese Code Or…………..
Those days when i started my electronics course, i was exposed to only few standard codes for transistors. It is either the European or the Japanese code. That means when you see a transistor part number it can be either C3039 or 2SC3039. Both the part numbers are the same and can be used in […]
Understanding SMD Electrolytic Capacitor Coding
If you are repairing Mainboard I’m sure you would have came across SMD electrolytic capacitor that have marking on top of the cap. Some value are quite direct like 47 and 16 means 47 microfarad with 16 volt working voltage. However some SMD e-caps that have alphabet letter and you need to find out what […]
About EEPROM Hex file
Once in a while I will get question from ERG members about the hex file in EEprom IC “Sir do you know how to read and modify the hex file” if the EEprom data had corrupted”? My answer to them was no i do not know how to read the hex files. Since i can’t […]
What Is Lead Free Solder?
What is lead free solder? Are you using the lead free solder or the normal solder? For more information about lead free solder and other solder please click on the photo to visit the website.
About Fake Transistor
I have an ERG member who told me that he may have bought a fake transistor. Before that the monitor that he repaired have power and high voltage but after the replacement with the new HOT, now the monitor have no high voltage. Even putting the original HOT back does not make any difference and […]
This is the journey of Jestine Yong in Electronic Repairing. In this blog, you’ll find his Electronic Repairing experiences, tips, tricks, guide & recommendations. Feel free to browse around the blog and absorb as much electronic repair tips as you could. Thanks for visiting!
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