All posts by Jestine Yong

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  Explosive Failure Of A Maxx AC Adapter Model 1250

            This adaptor belonged to the hospital where I worked and was brought to me with the complaint that a loud sound was heard and it became dead. On opening, I was taken...

  • Posted August 12, 2023
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  A Dead Welding Machine Repaired

              A welding technician brought this machine to my shop for repair and when I looked at the machine this is what I found. Take a look. It was already opened and...

  • Posted August 12, 2023
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  Completed Another Basic Electronics Repair Level 1 Course For 12 Participants

                Completed yesterday the Basic Electronics Repair Level 1 Course for 12 participants. Four of the students will continue to take the Advanced Electronics Repair Level 2 Course next week. Below...

  • Posted August 12, 2023
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  Restored An F&D USB Video Player AC Adapter Model F100

                AC Adapter of my USB Video Player, F&D F100 : This adaptor was found dead one day, when I tried to play my favorite Sherlock Holms movie. On opening the...

  • Posted August 5, 2023
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  Mosquito Racket No Spark Repair

            On visual inspection everything seems OK. no physical damage. while pressing high voltage trigger switch Red LED Light up. still no spark while touching the net using screw driver. So for further...

  • Posted August 5, 2023
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  Logitech F310 Gamepad Controller Repair

              When one joystick on my son’s Logitech GamePad F310 started to stick I felt it would be a trivial repair, perhaps just needing lubrication, but it turns out that the metal...

  • Posted August 5, 2023
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  A Digital Audio Player With USB Broken On Board Repaired

              A man next door brought this digital audio player for repair and showed me the broken USB port on that board. That player is for his son and he wants it...

  • Posted August 5, 2023
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  Samsung Phone Charger Consistently Repaired

  This charger is my Samsung phone charger which has served its purpose for the past 3 years but last month it got burnt and on visual observation: the fuse, bridge rectifier, tank cap, power ic, also track...

  • Posted July 30, 2023
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