All posts by Jestine Yong

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  Tektronix 2465A DV Oscilloscope Siemens Hall-Effect Sensor Controlled Fan Motor Rebuild: Part 1

                      I imagine that most of you have seen my article on the replacement of the memory back-up battery in my Tektronix 2465A DV Oscilloscope. If not, you...

  • Posted January 2, 2019
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  Lab31 – 3 cell lithium-ion charger repair

                    My little naughty niece Astrid gave her USB charger to her father after it this week failed working. Why my brother asked me today to see if I...

  • Posted January 2, 2019
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  Substitute Electronic On/Off Switch Provided In Sony Radio

                      This Sony Radio ICF-570 was brought to me by a technician friend of mine, with the complaint that the press to on/off section is not working and...

  • Posted January 2, 2019
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  Samsung Phone Charger Repair

                        Hi! This is not a nice repairing article I think so, and also not maybe a really repairing stuff but after I suffered for days with...

  • Posted December 29, 2018
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  Completed The Basic Electronics Repair Course

                      Just completed the last training class for this year (2018) for 8 students from Shell Malaysia. It was the Basic Electronics Repair Course. Below are photos and...

  • Posted December 29, 2018
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  Taiwan Trip

                        My family and I went to Taiwan on the 20th to 26th December 2018. Seven years ago (2011) we had been there -check out this link ...

  • Posted December 28, 2018
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  13007 Power Transistor, Faulty  Diodes and a Capacitor Found In Self Made LED Porch Light

                    This is a generally available Power Supply that can take around 2A load usually used for LED Serial Lights. I had bought one along with a ready made...

  • Posted December 18, 2018
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  LED Light Blinking in 40″ Samsung LCD TV

                    A customer brought in this Samsung 40″ LCD TV for repair with the complaint of front power LED was blinking. The LED blinking usually can be caused by...

  • Posted December 18, 2018
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