Part 1 of this video [ Ссылка ]
i explained practical How to repair computer ATX switch mode power supply. this PSU had no output on STBY +5V standby missing, short circuit in input section, the fuse burnt out. i replaced the standby section wit a buck converter
i shared my easy and perfect troubleshooting technique to repair computer AT or ATX power supply, i found rectifier diodes, fuse, power transistor, diodes in standby inverter section. smps concept and troubleshooting repairing or understanding repair switching mode power supply basics and working principle. how to troubleshoot input electromagnet induction filter, EMI, bridge rectifier and capacitor. we get 330 VDC at main capacitor. after hat the +330 volts are applied to standby power, which is SMPS and makes +5V SB, these stand by voltage are applied to motherboard which pull down the PS ON green wire to zero level, so the ENABLE OR REMOTE ON or CONTROL pin of #smps will go low that will enable pulse width modulation. and also i discussed smps basics. after watching this video you can capable to:-
understanding atx power supply basics circuit diagram schematic with complete tutorial
working of atx smps
if computer power supply does not on, or fan runs and stops, fluctuation, turns on goes off again or fail to start
short circuit, or fuse blows burns again and again
how to #repair #smps
how to #repair #computer #power#supply #atx
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
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ATX power circuit diagram / schematic explained [ Ссылка ]
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71 ATX Power Supply Circuit Description in Urdu / Hindi [ Ссылка ]
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fluctuations in output of power supply [ Ссылка ]
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SMPS tutorial and practical troubleshooting and fault finding [ Ссылка ]
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