All posts by Jestine Yong

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  Saving Computer SMPS Part – 13

                Continuing my efforts to bring back the defective ATX Power Supplies which are replaced with new by most of the people globally! Following two such SMPS (written off cases, to...

  • Posted March 15, 2025
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  Completed Another Basic Electronics Repair Course

  Completed today another Basic Electronics Repair Course for four participants. Below are the photos taken during the 3 days course: Likes(16)Dislikes(0)

  • Posted March 14, 2025
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  Philips MMS 430 Volume Control Unit Modification Wiring Details

                Received Back this speaker system almost after 10 years. Found volume control PCB is Broken again. But this time I decided to keep volume control & ON/OFF switch out of...

  • Posted March 8, 2025
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  5 Volt Chargeable 1.5v Li-Ion Sorbo Batteries  Repair

            This repair is about replacing often badly soldered or defect special smd charger controller chips in 5V chargeable 1.5V li-ion AA batteries. In the past I bought several of these Sorbo batteries...

  • Posted March 8, 2025
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  Detected A Winged Ant Caused Failure Of SONY Multimedia Speaker System SA-WMD40

            This Multimedia Speaker System was brought to me by a customer, for whom I restored a similar system which I have already covered in an earlier article. It belonged to his neighbor....

  • Posted March 8, 2025
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  A Simple Fix to Dead Welding Machine Brought It Back To Life

            One of the regular customers brought me a dead welding machine for repair. He informed me that the machine was dropped while was on and end up not welding (completely dead) Once...

  • Posted March 8, 2025
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  A Rare Defect In A Microwave Oven

                Appliance: Electrolux modelo MEP41 Defect: Heating active even without command The customer complaint in relation to this appliance was that the heating cavity becomes hot even without issuing any command...

  • Posted March 1, 2025
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  Control Board Of LG Washing Machine Restored

            The control board of this washing machine was brought to me by a regular customer, who wanted to know whether it could be repaired as the company technician who came to attend...

  • Posted March 1, 2025
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