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All posts by Jestine Yong

  • About Varistor

    Hi Jestine, I have here TLS-5(Telephone Line Simulator), 110V input but accidentally I plug this in 220V, then busted. I opened the cover and found out the component color in red with label RV1 is busted/burned. Can...

    • Posted May 7, 2008
    • 0
  • Basic Signal Measurement Using Oscilloscope

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    • Posted May 6, 2008
    • 2
  • Why HOT Always Burnt?

    Hi Jestine, Thanks one more…. I have a question, why HOT are always burn (or what is the cause for burning hot)? what component is causing the hot to burn? Henjo Hi Henjo, Please check out my...

    • Posted May 6, 2008
    • 1
  • Another Question

      “I have a question regarding the subwoofer repair.My sub woofer had a 13V1.8A transformer.Can I replace it with a 12V 2A transformer.The model is mercury SW980”-Santhosh Hi Santhosh, You can try as the amp is higher...

    • Posted May 6, 2008
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  • Posting Support Questions In My Blog

    I do received lots of technical questions either from my ERG members, buyers or even from new visitors. I have decided to post only selected questions and answers to this blog. If you have the answer for...

    • Posted May 5, 2008
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  • Could Optoisolator IC Possibly Breakdown When Under Full Load?

    Have you come across optoisolator or optocoupler IC that breakdown when under full load or full operating voltage? I do came across few in my life as electronic repairers. I will only directly replace the Optoisolator IC...

    • Posted May 5, 2008
    • 0
  • Replacing DLP Lamp

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    • Posted May 4, 2008
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  • Semicon Singapore Exhibition 2008

    If you are from Singapore why not visit this Semicon Singapore 2008 exhibition on MAY 5 to 7th at Suntec International Convention & Exhibition Center Singapore. The theme for this year is about semiconductor manufacturing technology. This...

    • Posted May 4, 2008
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