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All posts by Jestine Yong

  • dvd repairing
    CRYSTAL DVD Player Brought Back To Life

                    My friend calls me to come to his house yesterday. He doesn’t explain why, I just came as a friend. I arrived at his house and asked him what...

    • Posted September 5, 2014
    • 43
  • varactor checkings
    About Varactor Diodes

                    They are small, very small and often embedded into Integrated Circuits. Varactor Diodes, also called Varicaps, are used in many of today’s electronic circuits, mainly in RF tuners, oscillators...

    • Posted September 2, 2014
    • 32
  • windows not loading repair
    No Windows Loading On PC Solved

                        Early in the morning a co-worker asked for my presence and when I arrived to his Department (Economy) the complaint was his PC was not loading the...

    • Posted August 30, 2014
    • 8
  • kursus baikpulih
    Completed Another Advanced Repair Course

                    Just completed another Advanced Electronics Repair course today. For more information about the repair course you may click on THIS link. Here are the photos taken during the 3...

    • Posted August 29, 2014
    • 7
  • PWM IC Testing Method

                  Today I want to share about External Voltage Test Method for TL494 PWM IC.  I found this method in Mr Jestine Yong’s Switch Mode Power Supply E-Book. I have applied...

    • Posted August 26, 2014
    • 18
  • XOLO Mobile Phone Headphone Repaired

                    A friend of mine came to me with his mobile phone. He needs my help because his mobile headphone was not working; I have checked my working headphone with...

    • Posted August 24, 2014
    • 9
  • panasonic ceiling fan board
    Panasonic Ceiling Fan Repaired

                      A friend of mine brought to me his friend’s ceiling fan circuit board for repair. The complaint was no response when the remote control was pressed. He did...

    • Posted August 22, 2014
    • 98
  • LCD screen with white display repaired. Model: E machines

                    A mechanic brought this LCD screen to my shop for repair. He said that this LCD screen has white display. He said it was working fine and suddenly, a...

    • Posted August 20, 2014
    • 11
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