{522} How To Repair Computer ATX Power Supply - No Power On
Ғылым және технология
{522} How To Repair Computer ATX Power Supply, this computer atx psu power supply was dead. this power supply have +5V SB standby voltage on purple wire, 5volt PSON command on green wire. when green wire is made jumper to ground, it was main secondary power section was not turning on. while testing, i found 1N4148 diode short circuit in pulse transformer, this 350 watt atx power supply is using TL494 and LM339 ics.
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Пікірлер: 74
بہت بہت شکریہ۔ آپکا کام آپکی مہارت لاجواب ہے۔ u r "the special"
@haseebelectronicsurdu
Жыл бұрын
thanks a lot
@fiazsharif7698
5 ай бұрын
Is the repairing service Available Sir
ماشاءاللہ اللہ آپ کا علم اور وسیع کرے آمین
Amazing video dear friend, have a blessed week 😊
اَلسَلامُ عَلَيْكُم وَرَحْمَةُ اَللهِ وَبَرَكاتُهُ ماشاءاللہ
Thanks for video
Very good and useful information sir thanks for sharing this knowledge to us
Very good job
JazakAllah
Very nice video sir 🙏
Viry good video sir thanks
@haseebelectronicsurdu
Жыл бұрын
thanks a lot
Excelent mindbloing thak u thak u sir
@haseebelectronicsurdu
Жыл бұрын
best regards
Shukran
Great ❣️
Excellent thanks for sharing
@haseebelectronicsurdu
Жыл бұрын
thanks a lot
बहुत ही सुंदर वीडियो
@haseebelectronicsurdu
Жыл бұрын
thanks a lot
Bhot achi video. Sir agr ap computer k mother board ki troubleshooting b explain kr skhy to kamal ho jy.. Jazak Allah.
Nice video
Good 👍
Thanks sir.good
@haseebelectronicsurdu
Жыл бұрын
best regards
nice
Dear Haseeb, really nice and informative video. I recently viewed your two videos. This one and another related to welding machine. I have one faulty computer PSU. So, انشاء الله this video will help me to troubleshoot and fix that PSU. Regards, Awais
You are good engineer
@haseebelectronicsurdu
Жыл бұрын
best regards
Good
Very 👍
thanks Sir
@haseebelectronicsurdu
Жыл бұрын
it is my pleasure
👑 for you
Sir ap ki video sy bhoat kuch sekhne ko milta ha me ap ki video ko regular dekhta ho sir mera pas aik smps uc3843 ic ha vcc capistor par 47 volt a rahe ho sake to Bata de kiya wajohat ho sakti ha thank u
Very nice
@haseebelectronicsurdu
Жыл бұрын
thanks a lot
Thank you so much sir accept my request
Sir Thank you for reply if contineus trigger of transistor accures then what is trouble shooting method thank you sir
Sir 1N4148 diode per video banao pzzzz
Aoa sir. Sir computer supply as welding machine bana sakty hn..?
Very nice video haseeb sir please halp me dso aur function generator kon sa lena chaiye sir me amplifier ripening ka kam karta hu please 🙏🏻 please please please reply
@haseebelectronicsurdu
Жыл бұрын
bit.ly/3K01w2l
@haseebelectronicsurdu
Жыл бұрын
bit.ly/42DvHUc
@haseebelectronicsurdu
Жыл бұрын
bit.ly/3TDxIM2
@haseebelectronicsurdu
Жыл бұрын
bit.ly/40tUNTU
As-salamu alaykum sir Thank u sir for educating us In this video Time stamp 13:27 mins you told i will make the jumper between black and green wires if series lamp glows i will remve immediately.why and what will happen if lamp glows continuously.
@haseebelectronicsurdu
Жыл бұрын
when we repair atx power supply. if there is something wrong in pulse transformer section, it can trigger output transistors permanently. which may cause to draw maximum current. in that condition, we must disconnect jumper to prevent the circuit
@beinghuman9544
Жыл бұрын
Sir Thank you for reply if contineus trigger of transistor accures then what is trouble shooting method thank you sir
@beinghuman9544
Жыл бұрын
JazakAllah
@beinghuman9544
Жыл бұрын
shukran
Sir solder remove ka mashin kaha se leya ha
Sir ,kya app bata sakte ho computer SMPS transistor E3150 equivalent and online Kaha milega..
Asslamo alaikum,,sir mujhe apki zarurt pad gyi h,,,ye ac dc bulb ka working smjha dijye with diagram,,ac section to smjh ata h par dc section me confusion h.plz ek vide sir..
Sir ye sucker machine kon c use krty ap?
Sir compaq power supply kese direct hogi
🙏👍
@haseebelectronicsurdu
Жыл бұрын
best regards
Sir Salam how are you Sir app in circut diagram kahan se lyte hain Pleas Guide me Thanks Allah Hafiz
Dear sir es supply ka primary side pr transistor ka pass ak ic ha jis ka model SR816P ha sir us ka bary ma bata dy .....thanks
Sar lm324 lm339 ic working keshe pahchane sar help sar
Sir atx power supply is having stand by voltage , on Ic 7500 is having voltage on pin 12 ,12 voltage perfect voltage on pin 13. 14, pin 4 is having voltage round 3.5volts but fluctuations secondly on jumpher to black and green voltage on pin 4 of Ic does not Zzero.IC is Kl7500 and other than green and purple no out put. Sir which section is to be examined. When you feel free ...
حسیب بھائی السلام علیکم ہم یہ سپلائی 12 وولٹ اور اس کا کوئی بہتر طریقہ بتا دیں مہربانی ہوگی3
سرجی یہ مائنس 12v کیا ہیں اور یہ کیسے ہوتے ہیں مقصد کیا ہے مائنس 12v کا بہت شکریہ وعلیکم السلام
Sir, How can I contact you?
sir malti meter company name? or price btady
Diode ka number kaya tha
السلام علیکم ۔۔ سر میرا ایک سوال ہے standby سیکشن میں 5 volt کی بجائے 12 volt آ رہے ہیں اور باقی کوئی وولٹیج نہیں آتے پاور سپلائی ورک نہیں کر رہی کیا issue ہو سکتا ہے
POWER SUPPLY ON KARNE SE CHUII AWAZ ATI HAI VOLTAGES ALL OK BUT LOAD NAHI LETA PC NOT TURNING ON kya fault ho sakta hai?
بہت بہت شکریہ۔ آپکا کام آپکی مہارت لاجواب ہے۔ u r "the special"
@haseebelectronicsurdu
Жыл бұрын
thanks a lot
Aoa sir g.bootstrap circut kiya hai? ye kam kaisay kerta hai ? Hs ka use kiyo kia jata hai? Or hs mn boots trap capicator kiyo use kia jata hai? Jaisay smd ic (mp1471) k sath hs ko use kiya ghiya hai sir please samja dein shukriya