All posts by Jestine Yong

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  Power Supply With Ticking Sound On The Relay Repaired And Maintained

              A friend of mine brought this power supply for repair and the moment I powered it up I heard a continues ticking sound coming from the relay so I took it...

  • Posted September 21, 2024
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  Replaced 100W LED Board In Garden Light Model Supex IP65

            This light belonged to the hospital where I work and was brought to me with the complaint that one side of the LED array was blinking and half of the other was...

  • Posted September 21, 2024
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  Laptop Making Ticking Noise

  Received Laptop for ticking noise problem. Ticking noise indicates probably HDD making noise or CPU FAN. So I opened bottom cover for inspection. Powered the laptop & I found noise coming from the fan, so for inspection...

  • Posted September 21, 2024
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  Revisit Of Prestige Induction Cooker Model PIC 1.0 V2 After Four Years

  This induction cooker (will be referred to as ‘IC’ for brevity) had come to me for repair for the first time in June, 2020. Kindly see my article using the following link: https://jestineyong.com/high-voltage-or-lightning-caused-pwm-ic-burst-in-prestige-induction-cooker/ I am skipping basic...

  • Posted September 21, 2024
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  Completed Another Advanced Electronics Repair Course

              Completed another Advanced Electronics Repair level 2 course for 6 students. Participants were from oversea and Infineon Technologies. Below is a video and photos taken during the 3 days repair course:...

  • Posted September 20, 2024
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  Hard Lesson Learned In This HAIER LED TV Model LE22B600 

                This LED TV has visited my service workshop in September, 2022 and I request you to see the following link as I am not repeating basic images of the TV:...

  • Posted September 14, 2024
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  Repaired Computer For No Turning ON

                Received computer for not turning ON, checked on my setup found same problem. Opened the computer found very dusty in side. So first of all I used my vacuum cleaner...

  • Posted September 14, 2024
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  One AC Adapter Model Mass Power Saved From Dump

            This AC Adapter belonged to the Hospital where I worked and was brought to me in dead condition. I brought it home and checked to confirm the complaint. The ACA was already...

  • Posted September 14, 2024
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