Here is the part 2 article: https://www.jestineyong.com/tektronix-2440-oscilloscope-repaired-part-2/ Today I started with Calibrating the 500MS/s Tektronix 2440 Memory Oscilloscope. Something that was easier then I first anticipated. Mainly because it is a pleasure...

            After my last article on a Tektronix 2440 Oscilloscope Repair was published: https://www.jestineyong.com/tektronix-2440-oscilloscope-repair/ That had a Big Short Circuiting (Low Voltage) Power Supply that blew up the Wall Outlet Main Power...

              This amplifier was given to me for repair after an unsuccessful repair intervention of another technician, who unfortunately left permanent traces of vandalism in its PCB trying to repair it...

                  The complaint of this 21″ Philips CRT TV was no power. The first thing to do is to remove the cover and check the circuit board especially the...

              Mr Damon Morrow from USA who is a specialist in TV repairs has just launched his 11th Ebook on “LG Plasma TVs Case Histories Volume 1″.  If you are repairing...

                A friend of mine who owns this TV set asked me to take a look on it as the set was shutting down its function while being in normal...

              The complaint of this 3 channel sub woofer system was that the right speaker does not have sound. In order to see the circuit board inside, one need to open...

              Hi! I got a “Fiat Punto Low” car radio today to my service for repairing. Exactly, the problem was does the device was locked. The car owner was in a...