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All posts by Jestine Yong

  • The Meaning Of The Symbols In Power Adapter

    If you look at the back cover of power adapter or some electronics equipment you could see some symbols. Those symbols has meaning and the meaning can be seen below. There are more than 6 symbols in...

    • Posted June 18, 2013
    • 6
  • Video: Troubleshooting Distorted Video in LCD TV

    There is a very good tip in this video. Make sure to check it out. This video was recommended by Beh. Likes(4)Dislikes(1)

    • Posted June 17, 2013
    • 0
  • A Dead Tel/Fax Machine Repaired. Model: Sharp UX P100

    This machine was brought to my shop by a friend of mine. It was completely dead. It was not sending or receiving and the phone in that machine was also dead. It was very obvious to me...

    • Posted June 15, 2013
    • 3
  • EDS Leakseeker 89

    EDS has made it again this time with the new LeakSeeker 89. Previously they were selling the Leakseeker 82B and my workshop had this model. This tester is great for finding shorted components in the high density...

    • Posted June 13, 2013
    • 27
  • One To One Coaching In Electronics Repair

    Just completed the Basic Electronics Repair course for a participant from Singapore.  This is a one to one coaching. The advantage of one to one coaching is more concentration can be given to the participant thus he...

    • Posted June 12, 2013
    • 3
  • Zener Diode Tester

    My repair friend Andre from Trinidad and Tobago had successfully built a zener diode tester. The diagram was taken from the bonus report found in the Power Supply Repair ebook website at http://www.PowerSupplyRepairGuide.com  Besides testing zener diode,...

    • Posted June 11, 2013
    • 4
  • Why Resistor Burn Again?

    Sometimes when you found a bad resistor you really need to check where the resistor is connected to. The resistor can open by itself after few years of service or it can be due to bad corresponding...

    • Posted June 10, 2013
    • 7
  • Repaired An Electronic Welding Inverter. Model: Selco Genesis 140

    A welding technician brought this welding inverter to my shop and the problem was, it does not weld. He said that it used to work but since he used a power generator to power up this machine,...

    • Posted June 8, 2013
    • 17
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