Guest Post

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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
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  300 Watt ATX Power Supply Fixed

                      Today I finally fixed...

  • Posted April 24, 2015
  • 20
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  Cracked Power IC In Power Supply Identified

                The Conceptronic 90 Watt Universal Power Supply...

  • Posted April 21, 2015
  • 21
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  Radio Receiver Repaired

                    A friend of mine brought...

  • Posted April 21, 2015
  • 7
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  Philips DVDR 3595H/31 DVD Recorder Repaired

                    My Philips DVDR 3595H/31 DVD...

  • Posted April 18, 2015
  • 10