All posts by Jestine Yong

• About Standby Circuit

  I got many emails asked about how to solve power supply/equipment standby problem. They told me that power LED did not turn to green and always in amber/orange colour. For your information, the first thing that you...

  • Posted October 17, 2009
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• About My Fourth Book

  This is my coming fourth ebook cover. The title is “Troubleshooting and Repairing Switch Mode Power Supplies”. It had taken me about a year plus to write this book and I’ve put in lots of power supply...

  • Posted October 16, 2009
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• Happy Diwali To All My Indian Friends

  Tomorrow, the Indians across the  world will be celebrating the “Festival Of Lights”. Spend this holiday season/good time with your family, relatives and friends. Wishing all my Indians friends, ERG members and blog readers A HAPPY Diwali...

  • Posted October 16, 2009
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• Found Another Electronic Supplier

  Ha ha! Found another electronic supplier and it is located in the Orlando USA. If you have any info on any websites that sell electronic parts and components please do let me know so that i could...

  • Posted October 15, 2009
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• About Optoisolator IC

  The function an Optoisolator IC in power supply is to send a signal back to the Power IC so that it can control the “On” time of the switching frequency. Because of this the output voltages at...

  • Posted October 14, 2009
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• Never Give Up

  The other day i went for a dinner and met a friend of mine. While chatting, he said to me” Jestine, have you watch before the women tug a war championship from Youtube”? I told him no...

  • Posted October 13, 2009
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• What Is Volt/Ampere (VA)

  Ever wonder what is Volt/Ampere (VA) all about? Please click on the photo for some simple calculation to find out the right transformer for your equipment. Likes(1)Dislikes(0)

  • Posted October 12, 2009
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• Electronic Repair Questions/Answers And Testimonials -Part 41

  gud day,sir!it really feels good when you did your first time!I just finished troubleshooting the deffective lcd here in our vessel.i only did it for less than an hour.It should have last much earlier if i have...

  • Posted October 11, 2009
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