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All posts by Jestine Yong

  • Converted 100W Garden Light To 200W In Sturlite IP66
    Converted 100W Garden Light To 200W In Sturlite IP66

    I request you all to see the following link to know the background of this Garden Light: https://jestineyong.com/replaced-led-board-in-100w-garden-light-model-sturlite-ip66/ This light which was serviced and given in September, 2023 was brought back in February, 2025 with the complaint...

    • Posted October 11, 2025
    • 10
  • lunas technician
    Completed Another Basic Electronics Level 1 Course

    Completed today another Basic Electronics Repair Level 1 Course for 5 participants. Below are the photos taken during the 3 days course: Likes(24)Dislikes(0)

    • Posted October 10, 2025
    • 10
  • kenwood amplifier repair
    Kenwood Amplifier Model KAC-629S – Dead but Now Repaired!

    I recently received a Kenwood amplifier (model KAC-629S) that was completely dead. The owner mentioned that another technician had already looked at it and replaced a blown 25A fuse. The amplifier worked for a few days before...

    • Posted October 4, 2025
    • 18
  • Malfunction Of LM324 SMD IC Caused No Output In V-GUARD Voltage Stabilizer Model VG50
    Malfunction Of LM324 SMD IC Caused No Output In V-GUARD Voltage Stabilizer Model VG50

            This voltage stabilizer was brought to me by my neighbor saying that it was getting on but no output came even after the three minutes’ delay. I opened the unit and found the...

    • Posted October 4, 2025
    • 10
  • Philips AQUATOUCH AT620 Shaver Repair
    Philips AQUATOUCH AT620 Shaver Repair

    Received Philips Aquatouch AT620 shaver not turning ON. Connected the Device on Power adaptor it shows charging indicator but when pressing on off switch it does not show any sign of working. For further inspection I disassembled...

    • Posted October 4, 2025
    • 12
  • cassette deck repair
    Overboard Servicing Done In AKAI Cassette Deck Model GXC-709D

            This Tape Deck was brought by a regular customer with the complaint that it was stopping after a few minutes play. This deck was taken to another technician near his house, as I...

    • Posted October 4, 2025
    • 14
  • oman students in Malaysia
    Completed Another Basic Electronics Repair Level 1 Course

    Completed today the Basic Electronics repair course for 6 participants from Oman. Below are the photos taken during the 3 days course: Likes(9)Dislikes(0)

    • Posted October 3, 2025
    • 10
  • how to test mosfet
    How To Test Any Mosfet Using LED

                Internal diode is for to prevent reverse current which becomes reverse-biased and blocks current when the polarity of the applied voltage is reversed. Sharing Easiest way to test MOSFET using LED...

    • Posted September 28, 2025
    • 20
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