{528} How To Repair SMPS Switch Mode Power Supply Step by Step Practical Troubleshooting Tutorial

in this video i demonstrated How To Repair SMPS Switch Mode Power Supply and explained Step by Step Practical Troubleshooting. in this tutorial i shared the easiest troubleshooting and fault finding techniques to find the faults in any switching mode power supply.
this video is DEDICATED TO MANSOUR MASHAQBEH Al-Zarqa Jordan منصور المشاقبہ۔

Download UC3842 SMPS circuit diagram https://drive.google.com/file/d/1TEm-EyM4pZMiskjvRJEsU9_GKSlKIbra

i discussed different faults in smps like, smps input short circuit, fuse keeps blowing, smps startup, 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.

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:-
1 basic working concept of smps switch mode power supply
2. how PWM pulse width modulator work
3. block diagram of smps switch mode power supply
4. practical circuit tracing of smps
5 how to repair mobile charger
6 how to repair power supply of digital satellite receiver
7. how to repair led lcd tv power supplies
8. different faults in stages of smps
9. what is filter and protection circuit in SMPS
10 what is bridge rectifier circuit and how bridge rectifier circuit work
11 what is PWM pulse width modulator circuit and how to check it
12 function of FET, MOSFET, BJT, IGBT or switching modules
13 what is optocoupler or opto-isolator and what is its function in feedback circuit
14 what is voltage regulation and how it workks in SMPS
15 how to find problem if switch mode power supply have no output
16 what is problem when power supply have fluctuation and output is not regulated
17 current sense in smps
18 short circuit protection
19 how to test troubleshoot and repair smps switch mode power supply and easy test points in fault finding
and much more
how to #repair #smps
fuse keeps blowing
how to repair switch mode power supply when short circuit at input, fuse keeps blowing.
if SMPS is dead or no ouput. smps ic have no switching frequency,
if SMPS have fluctuating output or output voltage unregulated
if smps have short circuit in output
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


SAMSUNG BN44-0029a-00438 circuit diagram
https://drive.google.com/file/d/1mysfZiO-sRRJS2sELGC57yOAWnGHoatw/view?usp=sharing



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