All posts by Jestine Yong

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  Completed MicroElectronics Troubleshooting and MicroSoldering Course

  Just completed today my latest repair course on MicroElectronics Troubleshooting and Repair and Micro-Soldering for 2 repair engineers from the Northern region (semiconductor factory). For more info about this course you can check out the website here....

  • Posted April 29, 2022
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  Complex Circuit Of Panasonic Surround System SA-PT860 And Tips For Troubleshooting

              This Panasonic DVD Player Surround System was brought to me by one of my close electronic technician friends, who was concentrating only on other products. He had to accept it as...

  • Posted April 21, 2022
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  HIS G31 Desktop Motherboard Repaired

                From the technical guy I received Desktop PC Motherboard for not working problem. (As I said in previous article on Motherboard repair if you are not familiar with working principle...

  • Posted April 21, 2022
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  Restored A Rat Spoiled National SG250W Two-In-One

                This set belonged to one of my close friends and he brought it to me for a possible restoration. According to him, it was lying in the attic. I saw...

  • Posted April 21, 2022
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  Mean Well Model P25A-14E Power Supply Repaired

                A local radio station asked me if I would take a look at one of their mixing consoles’ power supply. They dropped off the mixing console and its power supply....

  • Posted April 16, 2022
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  Yet Another Single Diode Failure Found In HAIER LED TV

              This Haier LED TV model LE22B600 belonged to the hospital I work and was brought to me in a dead condition. I opened and cleaned the inside before looking for the...

  • Posted April 16, 2022
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  Creative SBS 370 Speakers Repaired For No Power

                This one is same speaker which was modified earlier by me by installing Bluetooth Kit. Customer sent me complaining no power. On arrival I checked the adapter it uses 11.4V...

  • Posted April 16, 2022
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  Make A Very Cheap Power Adapter Of Defect Electric Tooth Brush Charger

                    This article shows that it is possible to use most chargers from modern but now defect electronic toothbrushes as a very cheap and safe power adapter. I already...

  • Posted April 9, 2022
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