All posts by Jestine Yong

  • Why Julian Beever Has Anything To Do With Electronic Repair?

    Julian Beever is an English artist who’s famous for his art on the pavement of England, France, Germany, USA. Australia and Belgium. Beever gives to his drawings an amazing 3D illusion. I want to state to you...

    • Posted September 8, 2007
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  • Testing A 240V Transformer

    The best way to test a 240v linear transformer is to power on. Of course you can test the ohms of the winding for the primary and secondary side but measuring the input and output voltage by...

    • Posted September 8, 2007
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  • How To Check Flyback Transformer

    It’s simple to check flyback transformer with the help of a flyback tester, digital capacitance meter and an analog meter. First check the internal capacitor of the flyback, it should have between 1.5 nf to about 4.5...

    • Posted September 8, 2007
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  • Picture Tube Hazards

    It is very true that picture tube does have hazards. The x-ray emission, electromagnetic field and implosion (due to a fall caused the picture tube to crack and scattered the glass) can cause danger to us. If...

    • Posted September 7, 2007
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  • How To Test Crystal Frequency

    You can test a crystal with a frequency counter or even with an oscilloscope. Some digital multimeter have a built in feature of testing crystal. The range can go as high as 24 MHZ and above. If...

    • Posted September 7, 2007
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  • Samsung 713n LCD Troubleshooting

    The common fault for this samsung  713n LCD Monitor was no display and OSD running with the word “Not Optimum Mode Recommended mode: 1280×1024 60Hz”. Many other users thought that it was setting problem but actually it...

    • Posted September 7, 2007
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  • SAM’S Website

    Sam’s website used to sell lots of technical repair books but now they have less books. Could it be the trend that people like to buy from AMAZON? Those days you could see the website updating electronic...

    • Posted September 7, 2007
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  • Checking Capacitor With Ohm Meter

    Checking capacitor with ohm meter can be done by using an analog meter. I knew that ESR meter is the best meter to check capacitor (electrolytic) but somehow you also need to use an analog meter to...

    • Posted September 7, 2007
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