Guest Post

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  Wentai DVD Player Repaired

                  This DVD Player brand WENTAI Model:...

  • Posted May 12, 2015
  • 21
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  About Conceptronic 90W Power Supply (Part 2)

              The first part can be accessed in the...

  • Posted May 8, 2015
  • 12
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  Samsung CLP-315 laser color printer refuse new toners problem

                A customer brought to me a Samsung...

  • Posted May 6, 2015
  • 7
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  20 inch TRC TV repaired

                  I went to my friend’s house...

  • Posted May 6, 2015
  • 11
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  Repair of a switching power adapter without any switching controller chip!!

                Nowadays most switching regulators are controlled by...

  • Posted May 2, 2015
  • 21
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  About Computers and Boot E/Proms (BIOS)

                  Many of us about 40 will...

  • Posted May 2, 2015
  • 6
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  No Power In HP Laserjet 3030 Repaired

                  My customer sent to me his...

  • Posted April 28, 2015
  • 24
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  Harmonics and Distortion

                  Foreword: As I enjoy every single...

  • Posted April 28, 2015
  • 17