All You Need To Know About Power Adapters To Fix Stuff! Part 1.

LER #262 All you need to know about Switch Mode Power Adapters (Wall Warts) To FIX Stuff!.. PART 1. In this video we learn about the Power Supply Circuit Schematics, HOW THEY WORK and WHAT GOES WRONG! We have four practical REPAIR examples. If you want to learn how to repair power adapters, this video, and part two, are exactly what you were looking for. CHAPTERS 00:00:00 Introduction 00:02:15 Opening Up The Power Supplies 00:13:04 Danger!! Danger!! High Voltage 00:15:01 The Usual Suspects 00:15:32 Practical Repair #1 00:31:59 Basic SMPS Schematic (Pt 1) 00:38:44 Hot Ground 00:40:18 Basic SMPS Schematic (Pt 2) 00:45:20 How Inductors / Transformers Work 00:52:10 Basic SPMS Schematic (Pt 3) 00:53:03 How Analog PWM Works 00:59:35 Basic SMPS Schematic (Pt 4) 01:09:04 Common Faults 01:16:26 Feedback Without Opto-Isolator 01:23:19 Practical Repair #2 01:54:52 Practical Repair #3 02:02:42 Testing the PSU Under Load 02:06:04 Practical Repair #4 02:14:25 Epilogue The ALL YOU NEED TO KNOW Series Resistors    • All You Need To Know About RESISTORS To Fi...   Capacitors    • All You Need To Know About CAPACITORS To F...   Inductors    • All You Need To Know About INDUCTORS To Fi...   Diodes    • All You Need To Know About DIODES To Fix S...   Zener Diodes    • All You Need To Know About Zener Diodes To...   Transistors    • All You Need To Know About TRANSISTORS To ...   ATX PSU    • All You Need To Know About ATX PSU To Fix ...   Amplifiers    • All You Need To Know About AMPLIFIERS To F...   MOSFETs    • All You Need To Know About MOSFETS To Fix ...   Thermal Cameras    • All You Need To Know About THERMAL IMAGING...   Power Adapters Part 1:    • All You Need To Know About Power Adapters ...   Part 2:    • All You Need To Know About Power Adapters ...   These are affiliate links, you pay the normal price and I make a small commission. TEST METERS Aneng AN8009 https://s.click.aliexpress.com/e/_DdW... https://amzn.to/469ZgOS VC480C+ https://s.click.aliexpress.com/e/_DEY... https://amzn.to/3Q3LEz7 https://amzn.to/46tmNdo MESR-100 ESR METER https://amzn.to/3tiy8hK https://amzn.to/3RwvejK https://s.click.aliexpress.com/e/_Dmi... XC6013L CAPACITOR METER https://s.click.aliexpress.com/e/_DmX... https://amzn.to/3t71Nul https://amzn.to/3LDdcbO LCR-T4 LOW COST COMPONENT ANALYZER https://s.click.aliexpress.com/e/_Dmq... https://amzn.to/46uzV1R https://amzn.to/3RHsmAN FNB58 USB ANALYZER https://s.click.aliexpress.com/e/_Dmd... https://amzn.to/3tb1QW8 https://amzn.to/46oMn30 PCI POST ANALYZER https://s.click.aliexpress.com/e/_DBs... https://amzn.to/46m9Gep TL460S Plus PCI_E ANALYZER https://s.click.aliexpress.com/e/_DnB... https://amzn.to/3ZERvOs TOOLTOP ET829 SCOPE METER https://s.click.aliexpress.com/e/_DBw... MULTIMETER PROBE KIT KET05 https://s.click.aliexpress.com/e/_DE7... OSCILLOSCOPES FNIRSI 1014D https://s.click.aliexpress.com/e/_DEz... https://amzn.to/3RxMFk1 FNIRSI DPOX180H https://s.click.aliexpress.com/e/_DBX... https://amzn.to/468oooT BENCH PSU NPS3010W https://s.click.aliexpress.com/e/_DDP... https://amzn.to/3rxsuIf SOLDERING T12 Station with M8 9501 Handle https://s.click.aliexpress.com/e/_DFV... https://amzn.to/3FdG8Ul M8 9501 HANDLE https://s.click.aliexpress.com/e/_De0... T12-BC3 Tip https://s.click.aliexpress.com/e/_DeN... https://amzn.to/3EUFpqQ https://amzn.to/3PB8axw SUGON T26D https://s.click.aliexpress.com/e/_DFx... QUICK 861DW https://s.click.aliexpress.com/e/_DDo... https://amzn.to/3PBOKZH https://amzn.to/3RCSqNh PROS'KIT SS-331H https://s.click.aliexpress.com/e/_DDo... THERMAL CAMERA Infiray P2 Pro https://s.click.aliexpress.com/e/_Dmu... https://amzn.to/457PgEb MICROSCOPES Amscope Optical Microscope (copy) https://s.click.aliexpress.com/e/_Dlh... https://amzn.to/4675Qp0 https://amzn.to/459uvrY ANDONSTAR AD407 https://s.click.aliexpress.com/e/_Dl4... https://amzn.to/3PSQKxJ https://amzn.to/48sxej4 EEPROM Programming TL866 II+ https://s.click.aliexpress.com/e/_Dls... https://amzn.to/3RTCRB9 https://amzn.to/3LDu3Lu CH341A https://s.click.aliexpress.com/e/_Dk0... https://amzn.to/48IZiir 1.8V ADAPTER https://s.click.aliexpress.com/e/_Dci... CONSUMABLES NC-559-ASM FLUX https://s.click.aliexpress.com/e/_Dda... DESOLDER BRAID (I use size 8045) https://s.click.aliexpress.com/e/_Dl5... https://s.click.aliexpress.com/e/_DFJ... MECHANIC HX-T100 Solder 63:37 (I use 0.6mm) https://s.click.aliexpress.com/e/_DeZ... ESD-11 TWEEZERS https://s.click.aliexpress.com/e/_DCZ... https://amzn.to/3PVfO7e Learn Electronics Repair is now on Discord!   / discord   It takes a lot of time and effort to make Youtube videos. If you enjoy my videos or they helped you with your own repairs please consider subscribing to my channel or click LIKE You can send donations via this link https://www.paypal.com/paypalme/youtu.... You can subscribe via this link   / learnelectronicsrepair   Thank you for your support. Richard