{444} SMPS OutPut Voltage Low and Fluctuating, SMPS Output Fluctuation

SMPS OutPut Voltage Low and Fluctuating, SMPS Output Fluctuation. How To Repair Switch Mode Power Supply when the output voltage are less than the rated voltage and it is giving unregulated voltage in this video i demonstrated How To Repair Switch Mode Power Supply SMPS, When it have low OutPut Voltage with Fluctuation. it is a KA7500 / TL494 based half bridge / push-pull topology power supply circuit, in this power supply the output was 5 volt instead of 12 volt. the output was unregulated and fluctuating. i found both smoothing dc capacitors open circuit. i replaced the capacitors and the supply started working normally. i explained practically How to repair switch mode power supply SMPS. after watching this video you can capable to:- how to repair smps if SMPS have fluctuating output or output voltage unregulated how to repair mobile charger how to repair computer power supply how to repair laptop charger #smps #output #fluctuation SMPS practical tutorial    • How SMPS Works || Understanding SMPS Switc...   in this tutorial i shared very easy & step by step practical troubleshooting / circuit tracing and fault finding techniques to find the faults in any switching mode power supply. how to repair smps (switch /switching mode power supply), either it is industrial power supply, laptop charger, adapter, computer atx power supply, server power supply, mobile charger, battery charger, inverter ac board, inverter of solar system, inverter welding machine, led / lcd tv power supply, UPS uninterruptible power supply, washing machine control board, sewing machine circuit board, power supply of dth / digital satellite receiver, switching mode regulator, how to repair smps (switch / switching mode power supplies), very easy, step by step repair and practical troubleshooting & circuit tracing tutorial using smps circuit diagram & block diagram. i discussed how to test smps switching frequency, how PWM pulse width modulator work, what is filter and protection circuit, bridge rectifier circuit & how bridge rectifier circuit work. what is PWM pulse width modulator, how to test pwm signal. what is optocoupler or opto-isolator and what is its function in feedback circuit. what is voltage regulation and how it works in SMPS. switching mode power supply repair tutorial, how to repair / fix switch mode power supply / supplies. dead laptop charger repairing, electrical engineering, basic working of SMPS, basic working concept of SMPS switch / switching mode power supply, how switching mode power supply works, function of FET, MOSFET, BJT, IGBT or switching modules, how switching mode power supply works, most common faults in SMPS. smps output voltage fluctuation, SMPS is fluctuating output or output voltage unregulated , switch mode power supply have no output. smps input short circuit, fuse keeps blowing, smps startup circuit, smps switching frequency testing, rcd snubber circuit, secondary side, feedback circuit, TL431 adjustable reference, optocoupler, auxiliary voltage, vcc or bias voltage, current sense circuit, output fluctuation, voltage regulation. it is uc3842 / uc3843 / uc3844 / uc3845 current mode smps circuit. fuse keeps blowing. current sense in smps & short circuit protection, smps short circuit in output, SMPS dead or no output voltage or have low output voltage. smps ic have no switching frequency, smps no output voltage, how to troubleshoot PWM SMPS controller when there is no switching from MOSFET. if SMPS have a whistle sound or excessive noise or excessive heat, how to repair smps in cpu, how to repair, switch mode power supply, switching mode power supply, smps, switching mode regulator, very easy repair of SMPS, haseeb electronics, smps output fluctuating, smps output voltage fluctuation, output fluctuating, reasons for smps output voltage fluctuation, why smps fluctuates, SMPS OutPut Voltage Low, SMPS OutPut Fluctuating, SMPS Output Fluctuation, smps repair, smps low output voltage problem, smps repair step by step, switching power supply repair this video is translated in french, spanish, italian, telugu, hindi, bengali, portuguese, how to repair smps malayalam, tamil 00:00 Introduction 00:17 SMPS have low output and fluctuating 00:31 i cannot adjust power supply output voltage 00:51 How to disassemble power supply 01:24 KA7500 SMPS Controller IC Power Supply circuit 02:43 How to desolder component from PCB 03:01 How to Test Polarized DC capacitor with multimeter 03:45 How to find Good & bad polar capacitor 06:06 how to install dc capacitor in PCB 07:30 how to repair smps switch mode power supply