Category Archives: Electronics

Brian’s electronic tutorials, experiments and projects

JVC TH-S5 Diagnosis and Repair

Symptoms I’ve owned the JVC TH-S5 home theatre system for many years.  It could be as much as 8 or 9 years.  In all that time it’s been a reliable machine, although to be fair it’s also had quite an … Continue reading

Posted in Fault DIagnosis | Leave a comment

Resolving duplicate part name problems in KiCAD

The Problem In KiCAD, a problem occurs when you try to create a new schematic symbol for a custom library and you happen to give it the same name as another part that exists in a different library. For example, … Continue reading

Posted in Electronics, Electronics Blog, Electronics Tutorials, KiCAD | 1 Comment

Hardware Hacking the IOMEGA StorCenter ix2-200

Introduction The StorCenter ix2-200 is a RAID network drive supplied by iomega.  I have used the 2TB version for about two years now to keep secure (backed up) copies of my precious data.  Any data I write to the device … Continue reading

Posted in Computer Mods, Computing, Electronics, Electronics Blog | 3 Comments

Digital Multimeter Accuracy Explained

Introduction The digital multimeter is the most widely used test instrument in the electronics industry.  It is the standard tool for electronics Technicians and it’s usually the first test/diagnosis tool that a newcomer to electronics will purchase. Despite this, multimeter … Continue reading

Posted in Electronics Tutorials | Tagged , , , | 13 Comments

Agilent U1253B Input Impedance Problem

 Gotcha! I’ve experienced a problem recently whilst measuring high voltages with a 1000:1 high voltage probe and an Agilent (U1253B)/Fluke (28II) multimeter.  The problem is that the two meters don’t agree with each other! The Fluke (my meter of choice) … Continue reading

Posted in Electronics Blog | 7 Comments

The “Repair Man” Trap

Anyone who has ever worked in the electronics trade will almost certainly have been asked to repair consumer electronics products for friends, family and even random neighbours.  How do you deal with these requests? Do you politely decline or do … Continue reading

Posted in Electronics Blog | Tagged , | 4 Comments

RC5 Decoder

Introduction I completed this design a number of years ago when I was still learning to program.  In fact, this was my first “proper” project that I directed my new-found programming skills towards.  My programming skills have improved by many … Continue reading

Posted in Electronics Projects | 29 Comments