in this theory and practical tutorial i explained practical functional description to Understand & Repair Switch Mode Power Supply SMPS Practical troubleshooting. it is using FSDH321 current mode SMPS PWM controller. DH321 & DL321 are similar ICs but the main difference is switching frequency. Pinout is same.
i demonstrated How to repair switch mode power supply SMPS very easy. i shared my easiest and perfect troubleshooting techniques practical troubleshooting. smps concept and troubleshooting repairing or understanding repair switching mode power supply basics and working principle. also i discussed smps basics. after watching this video you can capable to:-
how to #repair #smps
fuse keeps blowing
how to repair switch mode power supply when short circuit at input
if SMPS is dead or no ouput
if SMPS have fluctuating output or output voltage unregulated
if smps have short circuit in output
how to eliminate short circuit
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 mobile charger
how to repair computer power supply
how to repair laptop charger
how to repair inverter of solar system
how to repair #UPS #uninterruptible power supply

#smps, #repair, #troubleshooting,
SMPS practical tutorial https://youtu.be/7je0v8AiBB4

SMPS tutorial and practical troubleshooting and fault finding https://youtu.be/E_dQcKAqm38

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