All posts by Jestine Yong

• Same Model But Different Version Of Electronic Boards?

  During my time of repairing CRT Montors back in the early 90’s in a computer distributor company, i was provided with a feedback form for me to fill in all the details faults of the particular model for...

  • Posted June 27, 2008
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• SMPS Repair Course

  Just completed the Switch mode power supply Repair course few hours ago. Although this is a basic electronic course but my concentration for him was more on the switch mode power supply repair. Due to this I...

  • Posted June 26, 2008
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• B & K Autoranging Capacitance Meter

  Digital capacitance meter is use to test the capacitance value of any kind of capacitors. This is different from ESR meter where it can only be use to test electrolytic capacitor and up to certain value in...

  • Posted June 25, 2008
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• Nice Email

  Isn’t it nice the first day in the morning you read such email?   Dear Jestine: Several months ago, I wrote asking your advice on a blinking power LED/flashing screen problem with this monitor. You very graciously...

  • Posted June 25, 2008
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• Quitting Electronic Repair?

  I just received an email from a subscriber saying that he may want to quit electronic repair work due to that it took him too much time to find out a fault in an electronic equipment. By...

  • Posted June 24, 2008
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• Preset Problem

  Have you encounter before preset (potentiometer)  problem in electronic boards? As for me Yes, i experienced an open circuited preset in the switch mode power supply causing the power to blink. First i did not suspect it...

  • Posted June 24, 2008
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• 101 Science Dot Com

  This website is full of electronics information and please make sure that you click on the photo to visit the website. It may takes you weeks to completely read all the electronics information in it. Likes(0)Dislikes(0)

  • Posted June 23, 2008
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• Motherboard Repair

    I had stopped repairing PC motherboard  since i left my former computer distributor company back in 1994. Those days the famous motherboard board were the 486sx, 486dx and the Pentium. I was provided with every model of...

  • Posted June 23, 2008
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