Latest News

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  How to Make a Car Fuse Tester and A Quick Voltage Indicator

                In the following five steps you will have a fuse tester and a quick voltage indicator for cars STEP1: What you need:...

  • October 12, 2015
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  Which Resistor to Use with this LED?

                  This is a very simple question, so simple that we usually don’t think too much about it and use whatever we...

  • October 9, 2015
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  Tektronix 2440 Oscilloscope Repaired- Part 4

                Here are the previous article: https://www.jestineyong.com/tektronix-2440-oscilloscope-repair/ (Part 1) https://www.jestineyong.com/tektronix-2440-oscilloscope-repaired-part-2/ https://www.jestineyong.com/tektronix-2440-oscilloscope-repaired-part-3/ Today I opened the already completely repaired 2440 Tektronix Oscilloscope again to try...

  • October 9, 2015
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  FARFISA ART-482/1 door entry intercom repair

                  In the building where I live, among the various installed systems therein, there is a Farfisa door entry intercom. The system...

  • October 7, 2015
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  3D Printer Repaired

                A workmate of mine teaches 3D printing courses. In the classroom he has 3 set up for use with the students. At...

  • October 7, 2015
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  Philips MMS 430 Speaker Volume Control Broken PCB Replaced

                  These speakers are also been repaired by me earlier for the same problem but I have received this speakers again for...

  • October 5, 2015
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  HP LaserJet 3030 – paper jammed

                Today I got a call from a company and they have a HP LaserJet 3030 MFP who will not print and all...

  • October 5, 2015
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  Completed One to One Coaching In Electronics Repair

                Just completed today a one to one coaching for a participant in the Basic Electronics Troubleshooting and Repairing Course. If you want...

  • October 2, 2015
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