Latest News

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  Obtaining EEprom Bios Firmware For Deadflashed LG GDR8163B DVD-ROM Drive

                    A few months ago my friend Marco brought me two LG GDR8163B DVD-ROM drives. One still working and the other...

  • October 6, 2021
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  A Missing Part In A Turkish Made Welding Machine Repaired

  A welding technician walked into my shop carrying his welding machine and a capacitor. With a smile on his face, he explained that this machine stopped working while he...

  • October 6, 2021
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  Makita Charger Repair

              I got this dead charger from another repair shop in town that was not successful in getting this charger fixed. The guy explained...

  • October 6, 2021
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  Equivalent Series Resistor (ESR) Value in Electrolytic Capacitors 

                Equivalent series resistor (ESR) in electrolytic capacitor is an interesting topic. Electrolytic capacitors can be found in many circuits in a circuit...

  • September 29, 2021
  • 40
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  IGBT and Industrial Bridge Rectifier Shorted

  The machine was donated to me about two months ago because the customer thought it was too expensive to be repaired so he went and bought a new machine...

  • September 29, 2021
  • 12
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  Electronic Circuit Turning On Itself Repaired

                A customer called me about a device that he owns. He explained that during the night he woke up to a sound...

  • September 29, 2021
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  Functions Of RC Snubber Circuit In SMPS

  In my last article you have learned about the functions of the electrolytic and non-polarity capacitor (connected parallel) in the DC output line of a switch mode power supply...

  • September 23, 2021
  • 33
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  Making Small DIY Hot Plate Using Door Stopper Tower Bolt

              We found while desoldering, some SMD component is having solder joint underneath that  it is difficult to remove the component using soldering Iron....

  • September 23, 2021
  • 14