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Jestine Yong

Jestine Yong is a electronic repairer and a writer. For more electronic repair information please visit his website at http://www.noahtec.com/electronic-repair-articles.htm

If you have a favorite Electronic Repair Technique, a Tip, a Trick or a Gadget that you would like to share with others, just send it to jestineyong@noahtec.com and he will add it into the electronic repair article page.

Articles by Jestine Yong

» Electronic Schematics Diagram-The Four Commonly Asked Questions

By Jestine Yong | Electronics | Unrated

In order to become a professional repairer, you have to know how to read electronic circuit schematics diagram. Discussion about the four most commonly asked questions from a beginner.

Article

» Testing Diode - The Accurate Way on How to Test Semiconductor Diode Using Multimeter

By Jestine Yong | Electronics | Rating:

Testing diodes is different from testing a resistor because you need a skill to do it. If you do not know or wrongly test a diode you will be unable to repair the equipment. A bad diode you think it is good. This will definitely waste your precious time.

Article

» How to Read Zener Diode Code

By Jestine Yong | Electronics | Rating:

Many technicians are confused on how to really read a zener diode code. There are many types of code number indicated on it's body. The look and shape of a zener diode sometimescan be mistaken to be a normal signal diode.

Article

» Testing a Transformer- How To Accurately Test A Transformer

By Jestine Yong | Electronics | Rating:

Linear transformer mostly used in radio, project kits, VCD and etc while switch mode transformer can be found in Monitor, Tv, Fax and so on. Learn the right way to test and check a linear and switch mode power transformer.

Article

» ESR Meter - The Capabilities To Check Beyond Electrolytic Capacitor

By Jestine Yong | Electronics | Unrated

There is something good about esr meter because besides electrolytic capacitor it can be use to measure other type of capacitors such as the non polarity capacitor.

Article

» The Importance Of Current Sense Resistor In Switch Mode Power Supply

By Jestine Yong | Electronics | Unrated

Current sense resistor is usually located in the switch mode power supply section. Find out the cause of low output voltage by knowing on how to accuratey check a current sense resistor.

Article

» The Right Way To Discharge Capacitor In Switch Mode Power Supplies

By Jestine Yong | Electronics | Rating:

Switch mode power supply contain some large filter capacitors that can hold dangerous charges even if the unit has not been used for several days. Learn the fast and simple ways to discharge the big filter capacitor in switch mode power supplies...

Article