{1071} SMPS low output, fluctuating, Tik tik sound

In this video number {1071} SMPS low output, fluctuating, Tik tik sound. I explained how to repair 12 volt, 10 ampere 120 watt switch mode power supply. it was not turning on, and it was providing click sounds. after troubleshooting i detected 1N4744 zener diode, PC817 optocoupler. asfter replacing faulty parts, the power supply started working You are Invited to Join Haseeb Electronics    / @haseebelectronics   Please check other videos SMPS no output    • {966} SMPS Is not working, not turning on,...   SMPS step by step repair tutorial    • {528} How To Repair SMPS || SMPS Repair St...   How to download circuit diagram, service manual    • {558} How To Download Circuit Diagram, Sch...   Transistor, IGBT, MOSFET equivalent    • {233} How to find Equivalent or Substitute...   Broken plastic gear repair    • {679} How To Repair Broken Plastic Gear, D...   You can Follow me on :- Instagram:   / haseebelect   Facebook: https://web.facebook.com/profile.php?... WhatsApp https://whatsapp.com/channel/0029VaSH... #smps #fluctuating #notworking