This Haier TV came in with the complaint of no sound but have OSD menu. When the TV antenna was connected the picture appeared for a...

                      One of my customers call me on the phone and told me that his 46 Inch Samsung Smart TV was cycling power on and off every...

                  I received this SUN Electronic AC voltage stabilizer with no sign of life. I opened the machine and start to test semiconductors first : I checked transistor AO1015...

                    Preventing having faulty equipment is a very important part of a good engineer’s life, as is the final repair of any device. So maintenance plays an important...

                  This Radio belongs to my School Teacher, who is in his 90+, whom I meet often, during Alumni Association activities and other occasions. Very lovely teacher, who is...

                    In previous repairs I wrote about successful fixing old laptop battery packs. In this article I write about a new sort of battery pack that turns into...

                    This work was once again in the Hospital, where the computer SMPS fails quite often. This was dead when brought. First thing, as usual, is always a...

                    I imagine that most of you have seen my article on the replacement of the memory back-up battery in my Tektronix 2465A DV Oscilloscope. If not, you...