There have been many occasions where I’ve found hot air and or freeze spray can be helpful in troubleshooting intermittent circuit board issues, or intermittent LCD displays problems. Here was one such instance where I applied a little heat to the edge of the display, and observed that the Continue reading Using freeze spray or hot air to troubleshoot Circuit Boards and LCD display problems.
One of the nice things about learning how to troubleshoot Televisions is many of the troubleshooting skills we learned can apply to repairing a variety of other devices. In this case a Dentist brought in a motorized shaker used to mix amalgam fillings.
While examining the circuit board I noticed a Continue reading Dental Equipment Repair. Water damage.
Many years ago I began using an inductive telephone pickup device to detect if a particular circuit board had power going to it. If the circuit being tested only had steady DC across every component the inductive probe would not be of much value, but in most modern circuits Continue reading Inductive circuit probe you can build.
After publishing my last video on repairing remote controls using conductive paint, I received some important information in the comment section of my video, I was informed by ExStatic Bass that the carbon impregnated rubber can often be restored by roughing it up with paper. I don’t know if Continue reading important update on conductive paint Vs restoring pad.
Update!!! Shortly after I published this video one of my viewers wrote to inform me he has had success by sanding the carbon impregnated rubber rather than re-coating them with conductive paint. Because I have seen some remotes which no amount of cleaning could restore, I don’t know if that Continue reading 2006 Hummer H3 window and door lock controls. Update. Please read comments.
A friend recently came by with some unusual antique electro-therapy devices from the 1800s and newer which some people believed could cure them of various health related issues. Personally speaking I’m not sure these electro therapy devices can actually heal you of anything, and might even be dangerous, but Continue reading Electrotherapy Healing machines from the 1800s and newer.
When I first heard they were going to replace the Cold Cathode Fluorescent Lamps with LEDs I thought it would be a great idea. Now that I’m seeing more and more LED TVs coming in here with burnt out LEDs I’m not so sure it was such a great Continue reading LED backlight problems in TVs and computers.
Yesterday while sitting in my shop I heard a ticking noise that sounded like an electrical discharge. When I tracked down the source I found there was a spark coming from the end of my long wire antenna. Since we were in the midst of a mild thunder storm I Continue reading Thunder clouds charging my long wire antenna with electricity.
If you google or youtube the words “free energy motor” your likely to come up with dozens or people who claim to have built such motors, and many of them may appear legitimate inventors with the backing of scientists and engineers. After having followed some of them for many years Continue reading Free Energy Vs The Laws Of Physics
On numerous occasions customers brought in electronic equipment that had been damaged from a power surge, and they often asked why their surge protectors didn’t protect their equipment. I guess as the saying goes you get what you pay for.
Here’s a like to an article on Varistors. <a href="http://www.frankshospitalworkshop.com/electronics/training_course_varistor.html" target="_blank" Continue reading Surge Protectors can be false protection.