Название: Troubleshooting & Repairing Switch Mode Power Supplies Автор: Jestine Yong Издательство: Internet Год: 2011 Страниц: 271 Формат: PDF Размер: 15.2 Мб Язык: English
Troubleshooting and Repairing Switch Mode Power Supplies by Jestine Yong. This 271 page ebook is an excellent source of information on repairing switching power converters. Troubleshooting and repairing Switch Mode Power Supplies could be extremely confusing thing if you don't have someone to guide you through the whole process. That's why I know you're going to be delighted when you discover this E-book, because there's finally a sure and guarantee way to learn the secrets of Switch Mode Power Supplies Repair. I have compiled the repairing secrets into an E-book and these secrets can't be found elsewhere! This E-book is written for those who already have some experience in electronic repair and for seasoned electronic repairers too.
Part I Introduction to SMPS 1. Introduction to Switch Mode Power Supplies (SMPS 9 2. Identifying Electronic Components in Different Types of SMPS with the Help of Photos 14 3. Block Diagram of a Typical SMPS and How It Works 18 4. Easy Way To Understand The 11 Circuit Functions of SMPS With The Help Of Schematic Diagrams 24 4.1-Input Protection and EMI Filtering Circuit 26 4.2-Bridge Circuit 27 4.3-Start Up and Run DC Circuit 29 4.4-Oscillator Circuit 31 4.5-Secondary Output Voltage Circuit 34 4.6-Sampling Circuit 36 4.7-Error Detection Circuit 38 4.8-Feedback Circuit 39 4.9-Protection Circuit 40 4.10-Standby Circuit 50 4.11-Power Factor Correction (PFC) Circuit 56 5. Electronic Components Found In SMPS and Possible Causes 62 6. How To Find The Right Equivalent Components In SMPS Circuit 86 Part II Secrets of SMPS Troubleshooting Techniques 7. Recommended Tools and Test Equipment For Successful SMPS Repair 95 7.1-Isolation Transformer 96 7.2-Variable Transformer 98 7.3-AC Ammeter 100 7.4-Analog and Digital Multimeter 102 7.5-Digital Capacitance Meter 104 7.6-Blue ESR Meter 105 7.7-Blue Ring Tester 106 7.8-Oscilloscope 107 8. Safety Guidelines 109 9. Understand The Six Common Problems Found In SMPS 115 9.1-No Power 115 9.2-Low Output Voltage 117 9.3-High Output Voltage 118 9.4-Power Cycling/Pulsating/Blinking 118 9.5-Power Shutdown 121 9.6-Intermittent Power Problem 121 10. How to Easily Discharge The Main Capacitor In SMPS 122 11. How to Easily Perform Voltage Testing On SMPS Circuit 127 12. How to Use Oscilloscope to Test SMPS Circuit Waveforms 140 13. Find Out How Useful Is The Series Light Bulb Trick In SMPS Repairs 154 13.1-Light Bulb Off 156 13.2-Light Bulb Very Bright 157 13.2-Light Bulb Pulsating/Blinking (Slow or Fast) 158 14. The Five Methods That I Use To Troubleshoot And Repair SMPS 161 14.1-Using the Blue Ring Tester Method 161 14.2-Flickering Method 165 14.3-Resistance Test Method 168 14.4-Isolation Method 170 14.5-Secondary Diode Removal Method 177 15. Simple Way For Beginners To Troubleshoot And Repair Any Type Of SMPS By Following My Favourite Method 179 16. What Should You Do If Too Many Components Burnt In The SMPS 189 17. How To Know If The Substitution Part Number Will Last Or Not 195 Part III True Case Histories 18. 11 True Case Histories of SMPS Repair That You Should Not Miss 200 PART IV Troubleshooting and Repairing ATX Power Supply 19. Troubleshooting And Repairing ATX Power Supply 227 20. ATX Power Supply Repair True Case Histories 245 Part V Miscellaneous 21. Understanding Power Supply Glossary Terms 262 22. Recommended Electronic Repair E-Books 267 23. Recommended Resources 269 24. Conclusion 271
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