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All posts by Jestine Yong

  • Am I Selling Schematic Diagrams?

    For your information, i do not sell any kind of schematic diagrams. I used to get lots of email asked me whether am i selling schematic diagrams or not. Normally i would direct them to eserviceinfo dot...

    • Posted February 19, 2009
    • 19
  • Just Got The February Issue Of Nikkei Electronics Magazine

    This afternoon i received the February issue of Nikkei Electronics Magazine and i found that the front cover was different from previous issue. The new cover design looks simple than the previous cover design. Among the story...

    • Posted February 18, 2009
    • 0
  • Completed The LCD Monitor Repair Course

    Just completed the three days LCD Monitor Repair course for a 55 year old participant that have a very keen interest in electronic repair. He have many years of experience in electronics since back in the 70’s...

    • Posted February 18, 2009
    • 19
  • What Voltages To Expect From The Secondary Output Of SMPS?

    Is the secondary output voltages important? Yes definitely, in fact all these output voltages are the testing point to check how well is the SMPS. That means by just placing your test probe on those output pins...

    • Posted February 17, 2009
    • 30
  • No Supply Voltage To Power IC?

    If you come across SMPS that have no supply voltage to the VCC pin of the Power IC, then there are four possible causes (assuming the fuse, bridge rectifier and filter capacitor are okay). The first one...

    • Posted February 16, 2009
    • 2
  • Electronic Repair Questions/Answers and Testimonials- Part 29

    Hi Jestine,  I wanted to let you know how much I’ve enjoyed your Books and reports.  They have inspired me to go into new areas of my repair business in computers, instead of having others do the...

    • Posted February 15, 2009
    • 10
  • Happy Valentine’s Day

    Sorry no post for today and it was quite late because i have just came back from celebrating Valentine’s Day with my wife and our good friends. We went to Top Hat Restaurant and had a good...

    • Posted February 15, 2009
    • 3
  • Problem In Identifying Components

    Have you come across components that have no marking or with part number that you can’t get from the internet? The part number are not those common number like C945, C1815, A1015 instead it could start with...

    • Posted February 13, 2009
    • 2
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