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All posts by Jestine Yong

  • Using Clear Schematic Diagram To Troubleshoot Desktop Computer 400W ATX SMPS
    Using Clear Schematic Diagram To Troubleshoot Desktop Computer 400W ATX SMPS

                    I received call from the customer that his computer does not turn ON & He has confirmed problem with SMPS because he is having card level repair experience. So...

    • Posted March 4, 2021
    • 22
  • car sony cd player repair
    Funny Tuner IC Complaint Found In SONY Car CD Player

                This Car CD /Tuner/USB Player was brought to me by a new customer with a complaint that all functions work except Radio. The complaint was confirmed on my checkup. So, I...

    • Posted March 4, 2021
    • 21
  • Shorted Diodes Found In Makita Battery Charger
    Shorted Diodes Found In Makita Battery Charger

                  An old man walked into my workshop carrying a battery charger that was totally dead and asked if I can repair it right away for it was urgently needed. I...

    • Posted March 4, 2021
    • 12
  • atx power supply tester
    Strange Power Supply Tester Result

    Yesterday my desktop power computer user friend brought over 2 of his now defect ‘bigger’ power supply units for repair. One was 650W, and the other one was 850W. I tested both smps units with my special...

    • Posted February 27, 2021
    • 18
  • Creative SBS 370 - 2.1 Speaker Modifications
    Creative SBS 370 – 2.1 Speaker Modifications

                    Received creative speakers stated problem both the satellite speakers Works intermittently when Vary Volume Control so that It is confirmed problem with the Volume Control. So I opened the...

    • Posted February 27, 2021
    • 29
  • Protronics Portable Bluetooth Speakers Repaired
    Protronics Portable Bluetooth Speakers Repaired

                    Received Bluetooth speaker for repair stating problem sound quality is not as good as earlier and making some vibrating Noise when sound level is high. For testing I have...

    • Posted February 22, 2021
    • 4
  • lcd tv repair picture problem
    Without the Right Tools It is Difficult To Fix Equipment

    This BG 32″ LED TV with the model 32E38 came in for repair with the complaint of display screen problem-see the above picture. Screen problem usually caused by defective T-con board, bad LCD panel and the FPC...

    • Posted February 22, 2021
    • 8
  • Bulgy Capacitors Found In Enhance Model Computer SMPS
    Bulgy Capacitors Found In Enhance Model Computer SMPS

                      This Computer SMPS was once again from the hospital where I work. The complaint was no output. Opened and cleaned the SMPS thoroughly using blower and various brushes....

    • Posted February 16, 2021
    • 7
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