All posts by Jestine Yong

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  TV IR Remote That Eats Lithium Batteries Fixed

  My brother phoned me that he had a strange problem with the IR remote control of his Ziggo Settop TV Box. He inserted new 3V 2025 Lithium batteries a couple of times (his remote has 2 of...

  • Posted March 16, 2021
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  Corroded Wires Caused Intermittent Contacts In Computer ATX SMPS

  This Computer SMPS was brought to me with the complaint that it works intermittently and if the multiple wire connector is shaken, it comes on and off. So, it was a clear indication of loose contacts in...

  • Posted March 16, 2021
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  Blue Tooth Speaker With Faulty Charging Port Repaired

                A guy from the city of Bethlehem about 20 minutes drive from my shop brought a blue tooth speaker for repair. The customer explained the charging problem that is in...

  • Posted March 16, 2021
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  StarTech USBdup 12 SD Card & USB Memory Tester Copier

  In these digital technology times we use portable memory for all kind of devices all day long. Like microUSB SD cards we need to boot up a Raspberry Pi, or our USB memory sticks with lots of...

  • Posted March 13, 2021
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  Microwave Repair (failed interlock switch)

            Microwave oven kept blowing fuses and upon opening it was obvious the top interlock switch was no longer working. Rather than order the cheapest replacements I opted to get some quality units...

  • Posted March 13, 2021
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  Fake 220 AC Voltage Reading….

                A welding technician brought his machine for repair. According to this person, the machine was completely dead and needed urgent repair. Do did you see how cables are connected. It...

  • Posted March 13, 2021
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  Completed Another Basic Electronics Repair Course

  Finally, face to face training can be conducted again in my country but have to strictly follow SOP.  Below are the photos taken during the 3 days Basic Electronics Repair Course. You can visit this link for...

  • Posted March 12, 2021
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  Building A Monitor Soundbar (DIY Project With Video)

  OK, to start this article, I going to state that this is not about an electronic design or repair. Its’ more of an assembly… The reason I started this project was because in my automotive workshop, I...

  • Posted March 8, 2021
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