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- เผยแพร่เมื่อ 26 ก.ย. 2024
- Repair Computer Power Supply /ATX Standby Voltage Fail / Input short circuit
i explained practical How to repair computer ATX switch mode power supply SMPS very easy. this PSU had no output on STBY +5V standby missing, short circuit in input section, the fuse burnt out.
i shared my easiest and perfect troubleshooting techniques 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
#computer #power Supply, #computerpowersupply, #atx #repair #troubleshoot #SMPS #test #hacks #howto #STBY
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Nice sharing to repaire compute top
Sir very good learning videos thank you for all your efforts. I have watched your ATX PS repair previous videos also they are very good. Allah barkat de.
ماشأاﷲ
اتنا زبردست کام کر رھے ھیں
تھکاوٹ دور کرنے کے لیے کافی تو پینی پڑھتی ھے۔ سلامتی میں رھیں
تبارك الله عليك اخي بتوفق ونجاح دائما احلى واجمل
U always come with informative video
ALLAH apko khush rkhe Aameen.
cara reparair Psu Computer sangat Bermanfaat
terimakasih Sudah Berbagi
Wa alaikum asalam dear brother as usual another great sharing 👍👍jazak Allah stay blessed happy and healthy
Waallaikum sallam wr wb i appreciate you Thanks a lot Mr hasseb your video.im from Indonesian my English very bad.and
Could you make the next video translate from Indonesian. 🙏🏼🙏🏼 In video
selamat datang dan terima kasih khusus atas komentar Anda
iya kakak
saya membagikan terjemahan dalam bahasa indonesia, dan akan mencoba menerjemahkan video sebelumnya
salam Hormat
Watching for the second time a good technique in isolating a bad component in the power supply component tnx for good presentation sir
Very well explained
Allah aapko salamat rakhe. Kal fir aayugi. Majak karti rahti hu nasta dijiye ye sub bolkar. Keep sharing.
Super video sir ji❤❤❤🙏🙏🙏
Great video sharing👌👌
Very nice amazing👌👌👌
Though many TH-cam videos regarding SMPS your video’s are practically oriented easy to follow with tips short cuts etc.
I have one request can you do one video how to check SMPS duty cycle etc using oscilloscope
Thanks
Assalamualykum Lk 15 Great sharing👌👌
23 like
Ma sha Allah very great sharing
Very useful electronic repair tutorial, thanks for sharing your valuable knowledge 👍😍
Interesante tema de la alimentación de la PC,
gracias por compartir mi estimado Hasseb Electronics👍👍
Mashallah very good video 👍👍👍
14 like bhai 🙏🙏
Good upload bhai very helpful vido shearing 👏👏👏🧐🤔
Very nice and informative
Superb troubleshooting process
Super video dear Big like 15
Great video sharing...I have a NOX Urano 630W ATX power supply, and it never turns off, without any motherboard, the fan is always spinning and the defect is always the same, it's turn on, I checked that the green wire (POWER ON) is in a short circuit with all the black wires. How can I resolve this? Could it be the output electrolytic capacitor? Could it be from the integrated output control circuit? Only I get turn off with the external switch supply !!
Thank you sir
now I know what to do first of testing,
And I will make a testing lamp too soon
You are most welcome
Wonderfull sharing keep going 👍
Very nice mashaallh khubsurt video beautiful sharing 🥀🥀🥀🌺🌺🌺💞💞💞💞💞💕💕💕🌺🌺🌺🥀🥀🌷🌷🌷
wonderfully awesome and perfect repair process. thanks for sharing
Hi brother that's very nice 👍😊
Like 47 , gm 🌞
Superb , fantastic share ,
So useful information 👌
Bahut acche se batate ho aap
Good Sharing 👍👌💞 lk
👍👍 👍👍👍
I wish you a good start to the day
Take care 💚 stay healthy
Regards ❤╮ Renate
Like 8
Great info my friend 👍👍👍👍👍👍👍👍
Thanks for making smps repairing videos. .very helpful for me. ...can you make one video about over current protection and over voltage protection.
like 44
very informative and useful video thanks for sharing
very good information +41 nice up loud thanks for sharing
Haseeb bhai ak to hard working opr se itni stron hard coffee 🤔 thorha milk add kr lia kijiy😊
Your video is superb Haseeb.
Hello Family! Good morning to you!
Great ideas💯
please make video on inverter led bulb's basic concept
PLEASE CHECK VIDEO NUMBER 925
@@HaseebElectronics thanks
Greetings from India.🤝🤝🤝👋
best wishes and sweet regards
WA alikum Salam bro nice sharing
Please describe the circuit and repairs of rotating dish antennas. Thank you sir
Your practical work is awesome as always my sweet brother. Bus sath में mere liye coffee aur nasta bhi diya kijiye 😂😂
Boht details se hr cheez explain krty hn ap..
First, I like to appreciate you for this great exposure to all I had learnt from this video.
But, I like to know something that had been a concern to me about zener diodes. A lot of times, its code is not readable or available at all, then how can one know its rated voltage within a circuit?
From this video, you said that, about two of the zener diodes are not good, now, my question is, how were you able to know the actual voltage of the zener diode that was not good in that session of the circuit that has issue?
Thanks, as I await your swift response.
Good information
Good explain
That's great work 😃✌️
Tks for video
woe awesome very nice informative Vedic big like my dearest friend, thanks for sharing,stay blessed with good health & great happiness, be connected support each other thanks
Good work
v.good
Thanks a lot
thanks for sharing your valuable experience. keep it up
Awesome work bhai
Stay blessed ameen
Hey my friend, awesome job on info to fix computer 😁👏👏
Интересное и познавательное видео, спасибо! Лайк+1
Nice video my friend loved it
BE CAREFUL! THE CAPS in series have 340V!!
And he doesn't discharge the caps. The caps hold dangerous voltage for at LEAST 5 minutes after powering the power supply!
Do NOT, NOTNOTNOT touch anything after plugging the power supply like he did.
You will get shocked and you have bad chances of surviving 340V shock.
Please be careful, unlike the dude in the video!
you are absolutely right. the series capacitors hold around 300+ vdc. and there is a bleeder resistor to discharge these capacitors and it takes a few minutes to discharge, sometimes the bleeder resistor is open, in that case we must careful
Please accept my best regards and special thanks for highlighting a critical safety point
I use a 25W lamp for series bulbs. When it is connected to test a power supply, the bulb lights up with a low light. Is this due to low W value of the bulb or short circuit in power supply?
25watt lamp cannot provide enough current, that is the reason that it will glow at any good circuit
you need at least 60 watt or 100 watt
@@HaseebElectronics Thank you sir. After I connect 100w lamp and it's not any illumination.
Nice repair! Thank you.
Sir Namaskar very nice information.
Boleh kopi nya....👍👍👍
nice one';
which soldering iron you are using?
It is Weller WR3M Rework station, made in Germany
Assalamu allaikum bhai kesy hn 🙋 Allah pak ap ko mahfooz rkhy Ameen 👍 bhsi mujhy itonk bary m btaen jb wet cloth pr krti hn to current hulka safeel hota h.
@@HaseebElectronics bht shukria
Woow coffe yum yummm 😋
Sir I have a desktop power supply. I have removed the cover. Once I connect mains power no out put. If I connect a 12 V / 60 W lamp the output is no stable. What may be the trouble? Please reply
Very Nice Class Sir Thank U Sir. Sir SB PS On OK, but 12V, 3. 3V , 5V Directed Sir Where the Problem Sir. Please Advise Sir. Series Lamp 5 Times on off Sir How Solve Sir. Please Sir. -- ChinnaRao Paderu Visakhapatnam Dist Andhrapradesh
Tnxs guys you can continu
Great work
Like it 👍🏻👍🏻👍🏻👍🏻
👌👌👍👍
Pc817 optocopler Kisi vi smps me laga sakte jai Kay?
Standby voltage is available but , after connecting green and black ground wires , there is no 12 volt and 5 volt and 3.3 volt output. Fan doesn't start , however there is some very high pitch sound from board.
Please stay with English . Perfect Vids
best regards and special thanks
@@HaseebElectronics Are you working in Saudi Arabia ? i kind of felt it when the coffee guy came :P
where is your shop?
i am from Pakistan and now i am in Jordan
My power supply standby voltage is okay but it's not turning on
if it takes a start and then output disappears, in this case voltage supervisor ic is interrupting
if it is not turning at all, please check PSON command or over voltage / short circuit detection circuit OR PWM controller section
@@HaseebElectronics bro i checked smps board and just connect to power at tha time home power break is off I'm check phase and nutrel with continuety tester in multimeter and it shows 890 something what is the problem bro?
Corsair VS650 psu not power on
Sir may I ask if there's a shorted component in the input or primary ckt whatever it is the series lamp will glow I I'm correct sir Sir tnx for your reply
@@HaseebElectronics tnx very much sir
Assalm alekum sir is circuit ko battery charger bana sakte Hain 100 amp ki battery charging k liye please help me sir
I do have a weir 4000 30V 1A linear power supply, but what can I do to get more than 1A while the voltage remain the same?
sir problem hai ek meri psu me jo pmw ke liye optocouler lagya uski ek pin par agar mai fingerr laga du to power supply on ho jati hai bina greeen and black ko short kiye par agar mai green ko short karu black se to thoda sa pankha ghumta hai fir band
or ek baat psu start nahi ho pati but agar uski standby section ke transfotmer me primary. me agar mai voltage check karu live chalte huye to multimeter awaz karta halki si and uske baad pasu me secondary voltage aajati hai
Sir ji transistor or mosfet nahi mil rahe ho tab substitute kese lagana hai
Sir im your falour your 2003ic smps dade power supply kaisa reper kara ek video banaya it's my recoest i'am english poor.
With like
When i bypass 3.3v 4v 5v out put shows 16v but when connected to load output voltage goes down why
Bro ap sath me udru me be tamam videos translate Karo
لايك
Sir,
My SMPS show only 3.7volt Standby voltage it's has 2N60 mosfet for Standby switch
I check MOSFET it's showing all correct reading
I replaced opto coupler 817
Check 2 resistor 1k and 10ohms
which connects to coupler both ok
Replace IC TL431, 222 1kv PF , 471 1kv and check all stand-by components but couldn't find fault still it shows 3.7v please help me to find fault
I am always crazy to repair switching Power supply but few 2-3 power supply I found fault.
Thanks in advance 👍
Like 27 sub done ji...bhaut hi badhiya information ji,,,so useful ever...khus rhe swasthay rhe muskurate rhe ji om namah shivay jai mata di 🌺🌺🌺🌺 my new channel Nisha saini or apka ye channel bhi sub ker diya hain....is wale channel se see you soon bro ji
@@HaseebElectronics ok ji I will
How much do you think it will cost me to repair from a repair shop
Sir my SMPS voltage is 11.2v, 4.8v, & 3v
Sometime my pc Power off automatically.
If it is SMPS fault then how to repair?
Assalammualaikum mr haseeb, do have any schematic diagram for 500watt atx psu, esspecially cougar brand vtc500, pls help me 🙏
Sir pls make a video about how to modify tl494 smps to get 24 volts from Output
okay noted. i will try my best to share it as soon as possible
@@HaseebElectronics tnx
like
Sir what is the cost of the multimeter that you uses?
It is expensive stuff
Hello my good frend 😄 widzę że ciągle ciężko pracujesz.
🌹🌷🌷👍👍
@@HaseebElectronics 🌹🌷🌷🌷
New subscriber my friend 👉🔔like super like 🔔🇧🇷👍