All posts by Jestine Yong

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  Lead-Acid Battery Powered Table Lamp Modified To Use Lithium-ion Battery

                    This rechargeable table lamp my family use to light up kitchen whenever there’s power failure. It uses lead acid battery for power, which I usually change whenever battery...

  • Posted November 20, 2021
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  Vent Damper Repair (switch replacement)

              My replacement gas heating system included a vent damper that closes the flu when the gas is not burning to save energy; but it threw a boiler error after just 2...

  • Posted November 20, 2021
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  Completed The Higher Advanced Electronics Repair Course

  Just completed today the Higher Advanced Electronics Repair course (level 3) for one participant. He already attended the Advanced Electronics Repair course (Level 2) last year. For more information about the electronics repair courses, please click here....

  • Posted November 19, 2021
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  A Dead Lontor Rechargeable Water Standing Fan Power Supply Modified

              This 12V fan was brought to my work shop with complaint of not working. This fan uses water for cooling system. Picture below: I did check and found smps, mainboard bad,...

  • Posted November 10, 2021
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  Could Hear Relay Click Sound But No Continuity…..

                  I got a call from my brother saying that his welding machine keeps going into shut down and does not know the cause of it. He explained that it...

  • Posted November 10, 2021
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  A Digital Camera With Unusual Fault Repaired. Sony: PXW-X160

                If you remember from previous article, this camera came to my shop for damaged USB port replacement and today it was brought to me for a different kind of fault....

  • Posted November 10, 2021
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  Battery Eliminator 1.5V To 12V Modification

                I am having a Linear Battery eliminator variable 1.5V to 12V power supply with me since almost last 30 Years. I have used it a lot in my repair job....

  • Posted November 4, 2021
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  Bed Recliner Board Repaired

                A regular customer gave me a call about a control board that is used for a bed recliner in a nursing home nearby. He said the board is not working...

  • Posted November 4, 2021
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