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All posts by Jestine Yong

  • 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?...

    • Posted July 24, 2010
    • 6
  • For Beginners- How To Test Computer Power Supply

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    • Posted July 23, 2010
    • 0
  • Understanding UPS

    If you plan to repair Uninterruptible Power Supply (UPS) then please click on the photo below to check out some useful information about UPS especially the common power problems and technologies. Likes(4)Dislikes(0)

    • Posted July 22, 2010
    • 8
  • 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...

    • Posted July 21, 2010
    • 9
  • Quick Check Transformer And Capacitor Tester

    HD Electric Company has variety of test equipment for the single and three phase system. Please click on the photo above to check out the transformer and capacitor tester and also other types of tester. Likes(0)Dislikes(0)

    • Posted July 20, 2010
    • 3
  • Electronic Repair Questions/Answers and Testmonials- Part 59

    Hi Jestine, Just want to thank you for your ability to explain things at a basic level.Your books have been a tremendous help to me,again thanks. Frank ============================== Hi Jestine  I’m just retired and thought I would...

    • Posted July 19, 2010
    • 0
  • Let’s take a break

    Lets take a break for a while from your normal routine and watch this funny video by the late Tommy Cooper- Karate Class: Likes(1)Dislikes(0)

    • Posted July 18, 2010
    • 2
  • 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...

    • Posted July 17, 2010
    • 0
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