All posts by Jestine Yong

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  A Simple Fix To A Dead Welding Machine Repaired and Maintained. Zika Z-200

                This machine was brought to my shop for repair by a welding technician who wanted it to be fixed as soon as possible. The machine was already opened by the...

  • Posted November 30, 2024
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  Completed Another Advanced Electronics Repair Course

  Completed today another Advanced Electronics Repair Level 2 Course. There was only one participant. He had completed the level 1 course last month and next week will be taking the level 3 course. Below are some photos...

  • Posted November 29, 2024
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  A TV Powers On But There Is No Display Repaired

                I got an email from a subscriber (Menahem) to Jestine Yong web site about a TV that he wants to donate because the customer who owns this TV did not...

  • Posted November 23, 2024
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  Restored A Service Declined Board Of White-Westinghouse Humidifier Model WDE401

                This belonged to the hospital where I work. I chanced to hear from our Biomedical Technician about power supply board failure in this Humidifier used in the CT Scanner Room....

  • Posted November 23, 2024
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  DC Adapter Indicator Light Correction

              Adapter brought to me by one carpenter, he was using it to charge some Battery operated tool. Stating LED Indicator light on adapter was not visible. Found very tiny pin hole,...

  • Posted November 23, 2024
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  A Treadmill With Shorted Board Repaired and Maintained

                A customer brought a treadmill board for repair and told me that the device display showed an E2 error. From experience that is either a bad motor or bad shorted...

  • Posted November 23, 2024
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  It’s A Technician’s Pride To Handle Such Antiques Sets – AKAI 2-IN-1 AJ490-FS

            This set belonged to a person, a classmate of my elder brother, who came to know of my work through yet another classmate! He was taking care of this set like a...

  • Posted November 23, 2024
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  Toshiba 32P2400ZE LED TV no picture Blue Screen Fault

                I was on customer place on some work & got a call from my house very familiar voice (My Wife). Stating our TV is not working & bring the required...

  • Posted November 16, 2024
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