LM317T Voltage Regulator with Pass Transistor

tvrepairinfo.com In this video I demonstrate the value of a watt meter and how you can use a variac to help you test voltage regulators. I also talk about the serious potential of damaging sensitive electronic components from an electrostatic discharge. This is something every repairman should be cautious to about. Ifyour a professional looking for more understanding on how to repair LCD TVs or an electronics hobbyist here are some great resources. Troubleshooting & Repairing LCD TVs by John Preher at http For someone new to electronics the first few pages of this book may be a bit challenging but the majority of this book is easy reading with lots of pictures,diagrams and useful troubleshooting techniques. Johns book gives you a good idea about the main test points you should look for and their approximate voltages. ======================================== How to troubleshoot and repair Switch Mode Power supplies by Jestine Yong at davestv.jestinemichellepow.click2sell.eu This book is a bit spendy but I'm still glad I purchased it. In my opinion it's a must read. Jestine is good at getting right to the main points you need to understand about troubleshooting this kind of power supply and its associated feedback circuits. Since a majority of the problems I have seen on LCD TVs are related to bad power supplies I figured it will pay for itself many times over. Most of the book was easy reading with plenty of pictures and diagrams ...



http://www.youtube.com/watch?v=0O5v89lEHxA&hl=en