All posts by Jestine Yong

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  Completed Another Advanced Electronics Repair Course

  Completed today another Advanced Electronics Repair level 2 course for 6 participants. They have taken the level 1 course two months ago. Below are the photos taken during the 3 days course; Likes(15)Dislikes(0)

  • Posted September 24, 2025
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  Roborock H6 Stick Vacuum Roller Brush Not Working

            This Roborock H6 Stick Vacuum cleaner seemed to have a mind of its own. One minute the power head was not working, next minute it was working constantly. Also, when the brush...

  • Posted September 20, 2025
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  Failed Cases Of Two SONY LED TVs

            Every now and then we do have to face failures in our attempts to save a device and here are two cases that incidentally came one after the other. Both TVs were...

  • Posted September 20, 2025
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  Cracked Unknown PFC IC Resulted In Replacement Of PS Board In SAMSUNG LED TV MODEL UA32EH4800R

          This TV was brought by a close family friend with the complaint that restarting sound was heard but there was no display. As you can see from the second picture above, the back...

  • Posted September 20, 2025
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  CIRCLE PC ATX SMPS Model CPH698 Repaired

            Received Circle PC ATX SMPS for Repair from one of my techie friends, Stating fault symptom: Dead   Connected SMPS to Power & shorted PS_ON pin (Green Wire) to ground (Black) wire...

  • Posted September 13, 2025
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  In Came This TV As Predicted By An Expert, But For A Ddifferent Reason – IMPEX LED TV GLORIA 32

              I request you all to read the article in this link and read our Repair Expert Albert van Bemmelen’s comments under it, which I am reproducing after giving the link: https://jestineyong.com/a-severe-case-of-surge-voltage-damage-in-impex-led-tv-model-gloria-32/...

  • Posted September 13, 2025
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  Creative SBS 240 PC Speaker Repaired

            Received call from the customer again after few months that speaker repaired by me earlier is not working. Discussed about the fault symptom he told speaker front light is turning ON but...

  • Posted September 13, 2025
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  Saved One More LG Monitor Model W1643C From Dump

          Look at the pathetic condition of this Monitor, but see its performance! Would anyone feel like throwing this to the scrap? I took up the job of replacing the polarizer sheet on this...

  • Posted September 7, 2025
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