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Recent Content by Simon Hing

  1. Simon Hing
    Post

    Sony WM-D3 DC-DC Converter

    Hi, I am new to this forum. I just find out that the transistor of the D3 DC converter is 2SD1012 PNP. And the inductor is 33UH - 300K 0.125W or...
    Post by: Simon Hing, May 22, 2021 in forum: Tech talk
  2. Simon Hing
    Thread

    Hello from Hong Kong

    Hi, I am a repair guy by self learning. and have interests in portable audio machines from walkman to Ipod and AV equipment as well . This forum...
    Thread by: Simon Hing, May 22, 2021, 3 replies, in forum: Introducing myself
  3. Simon Hing
    Profile Post

    I am from Hong Kong

    I am from Hong Kong
    Status Update by Simon Hing, May 22, 2021