sir tl494 use karke ek adjustable current supply banane ka tutorial denge bole the aap ???when will you be able to make that tutorial ?? i will be very grateful to you for that tutorial!!!
yes brother i am sorry for that delay. i promised, for that and i tried to adjust and i was able to adjust voltage, but i failed to obtain load regulation, so that is the reason, i skipped that video, because i don't want to share any incomplete or misleading information. as we can adjust voltage but underload, the voltage loose regulation and power supply produces ripples. but i will share a perfect and cheap solution to make a variable power supply using computer power supply
Thanks a lot for your valuable comment yes dear, if we understand the circuit, then we can operate it and repair it logically, it brings fruitful results otherwise it is like "a blindman sweeping in dark night"
Looks like a RAIDMAX power supply. I am working on one now, slightly different 400watt, uses a KA3843 for the PWM and an LP7510 for the Power Good , power on. Thanks for making this video. Everyone around the world thanks you I am sure.
Sir, how to test a transistor or mosfet using multimeter? I am interested in electronic circuit, but I do see your videos often but do not understand how you know that a certain part is ok by using multimeter. Can you help understand? Thank you.
Esselamu Aleykum Nice Video brother If a fault transistor's not reading part number can we learn it's type (pnp or npn?)and pinouts ? (which pin is emiter which is collector?) I mean bad transistor's connection to electrolytic capacitors and other transistors connection on board is give a tips?
Sir. Can you do a video on rcbo circuit breaker and do a live test by touching with finger to 240v to show it works safely. I am too scared to touch and test myself.
एक दूसरी पावर सप्लाई है उसमें सिर्फ फोल्ड यह है कि 3.3 वोल्ट धीरे-धीरे कम हो जाते हैं और सप्लाई ऑफ हो जाती है लेकिन जब किसी सप्लाई पर थोड़ा लोड किया जाता है तो सप्लाई को चालू रहती है रहती है 3.3 पर लोड करने पर ऑफ हो जाती
is mein 3.3 volt regulator ka problem he. kisi waqt 3.3 volt ka regulator transistor (jo atx supervisor ic k pass lagaa hota he) us mein problem hoti he. agr 3.3 volt mosfet se regulator ho rahey ho to mosfet aur us k gate per lagaa hua TL431 check kr lein aur terminal regulation wali ordange color ka connection check kr lein
Sir I want to learn 5 volt, 12 volt, 14 volt 3.3 volt circuit area, do you have any video about this section explaining, not the high voltage area any psu..
Sir I have checked all the sections properly, cannot understand still no output, SB +5V is OK on purple wire, but no +5v on green wire. Cannot understand the problem please help sir. Cannot bring any Voltage on the Green wire in any case.
Djazak Allah khayran , if the voltage at the purple wire is 5 v and the green wire is 4,3 v the atx power supply doesn't work I found three damaged capacitors and the fuse was open I changed there is no short but the problem persist
*My friend I have this problem, I have old video recorder but it no power up is dead...I put multimeter and on primary side of smps it all works but no and very low voltage on secondary side, I have replaced ic feedback, I gave replaced all capacitors and mosfet and diodes but still I don't get any power on the secondary even the secondary sideboard the transformer no voltage DC 0.00v....that's for any help*
please check the RCD snubber circuit (resistor, capacitor and diode) connected across the primary winding of the transformer i think, it have some problem please check the link ruclips.net/video/uqq9DpBwpuY/видео.html and please let me know the results
@@HaseebElectronics *Thank you my friend, on primary I get AC voltage all the way upto the transformer primary side, but then on the secondary side no power or very little power , so primary side AC power OK even large capacitor charge to 340v, problem is no power after the transformer secondary side, I have replaced all Bad components and IC have checked others out of circuit and are OK but still I can't get power to the secondary side*
Good afternoon sir I am not able to identify the fault in ATX power supply, problem in the SMPS is that standby supply and Power on supply is ok/correct, Power transistor is also good,in the mains primary side half bridge supply is gradually decreasing to the other side of coupling capacitor 105 J connected with the main switching transformer when we give supply Please help me
sir tl494 use karke ek adjustable current supply banane ka tutorial denge bole the aap ???when will you be able to make that tutorial ?? i will be very grateful to you for that tutorial!!!
yes brother
i am sorry for that delay. i promised, for that and i tried to adjust and i was able to adjust voltage, but i failed to obtain load regulation, so that is the reason, i skipped that video, because i don't want to share any incomplete or misleading information. as we can adjust voltage but underload, the voltage loose regulation and power supply produces ripples.
but i will share a perfect and cheap solution to make a variable power supply using computer power supply
@@HaseebElectronics thank you very much sir
Can't wait for this variable atx power supply I hope its very soon
@@michaelmuiruri4208 yes dear i am planning to do it in upcoming days. when i am confidant, that it is useful and long life, then i will share it.
I like your videos because you have expertise and know what you are doing. Regards, a technician
Thanks a lot for your valuable comment
yes dear, if we understand the circuit, then we can operate it and repair it logically, it brings fruitful results
otherwise it is like "a blindman sweeping in dark night"
Looks like a RAIDMAX power supply. I am working on one now, slightly different 400watt, uses a KA3843 for the PWM and an LP7510 for the Power Good , power on. Thanks for making this video. Everyone around the world thanks you I am sure.
thanks a lot for our valuable comment
raidmax models use PFC to main dc line voltage and 3843 for secondary power supply
while 7510 is atx supervisor
so finally, you got atx , thanks a lot
You're welcome
i will try to do more on ATX power supplies
Good Morning & Best Wishes Friend
best regards bhai
MARVELOUS PRESENTATION GOOD LUCK DEAR
Thank you so much
Its a very good practical experience, Thanks Brother........
Thanks and welcome
I really enjoyed watching your repair of this power supply.
it is my pleasure
Excellent video. Thanks
You are welcome!
Very good and useful information sir thanks for sharing this knowledge to us
most welcome bhai
Nice thank you one of the best tutorial i have a problem like this
Thank for the insights on the video. Please could you tell me the name/model of your desoldering tool and where I can get it, thanks
Weldon keep sharing
best regards
Resp Sir! Dhanyavadh Sir. -- ChinnaRao Paderu Visakhapatnam Dist Andhrapradesh
thanks a lot dear brother
Nice work dear brother
Thank you so much
w,aslam..i solute your efforts on atx repair. thanks
You are welcome dear brother
like fantastic amazing very intersting workout
it is my pleasure
Great information! thanks! Just wish you had a better camera? cannot see all too well in places. other than that thanks for showing us this!
Please do videos on ATX SMPS higher end models and branded like Dell , hp those very difficult to me
no problem dear. we will do it and we will dig it deeper
and i will try my best to share as soon as possible
Sir thankyou for make video like this one, please tell me what instrument you are using for desoldring on this video
Excellent mr haseeb👍👍👌👌💟💟
Many many thanks
Nice one..very informative! thank you
best regards
Sir, how to test a transistor or mosfet using multimeter? I am interested in electronic circuit, but I do see your videos often but do not understand how you know that a certain part is ok by using multimeter. Can you help understand? Thank you.
Liked it very much! Thanks.
best regards
Please tell us about your desolder pump
it is WELLER WR3M
yes really enjoyed. its beautiful
Thanks so much 😊
thanks bro. nice and helpful video :)
best regards
Esselamu Aleykum
Nice Video brother
If a fault transistor's not reading part number can we learn it's type (pnp or npn?)and pinouts ? (which pin is emiter which is collector?) I mean bad transistor's connection to electrolytic capacitors and other transistors connection on board is give a tips?
kindly check video number 751, that is on missing transistor
and i will share more deep tips on transistor diagnosis
Thanks sirji for sharing knowledge 🙏
most welcome dear brother
Excellent vedio
best regards
Sir. Can you do a video on rcbo circuit breaker and do a live test by touching with finger to 240v to show it works safely. I am too scared to touch and test myself.
well explain.
best regards
एक दूसरी पावर सप्लाई है उसमें सिर्फ फोल्ड यह है कि 3.3 वोल्ट धीरे-धीरे कम हो जाते हैं और सप्लाई ऑफ हो जाती है लेकिन जब किसी सप्लाई पर थोड़ा लोड किया जाता है तो सप्लाई को चालू रहती है रहती है 3.3 पर लोड करने पर ऑफ हो जाती
is mein 3.3 volt regulator ka problem he. kisi waqt 3.3 volt ka regulator transistor (jo atx supervisor ic k pass lagaa hota he) us mein problem hoti he. agr 3.3 volt mosfet se regulator ho rahey ho to mosfet aur us k gate per lagaa hua TL431 check kr lein aur terminal regulation wali ordange color ka connection check kr lein
@@HaseebElectronics ok thanks
Hat's off you sir please explain VGH VGHF VGHP and VGHM in LCD panel in led tv
Sir I want to learn 5 volt, 12 volt, 14 volt 3.3 volt circuit area, do you have any video about this section explaining, not the high voltage area any psu..
Asslamoalaikum haseeb bhai. Without pwm ic how mosfet switching. Please describe the theory and practical. ALLAH HAFIZ
Sir I have checked all the sections properly, cannot understand still no output, SB +5V is OK on purple wire, but no +5v on green wire. Cannot understand the problem please help sir. Cannot bring any Voltage on the Green wire in any case.
Sir thank you very much for your informative video. could you please send us a link for this atx supply Schematic.
Thanks for sharing
Thank.s a lot
You are most welcome
enjoyed a lot n good video brother😀
best regards
Good videos, 👍
Asslamalekum
wa alaikum salaam bhai
Thanks sir g...
it is my pleasure
Djazak Allah khayran , if the voltage at the purple wire is 5 v and the green wire is 4,3 v the atx power supply doesn't work I found three damaged capacitors and the fuse was open I changed there is no short but the problem persist
*My friend I have this problem, I have old video recorder but it no power up is dead...I put multimeter and on primary side of smps it all works but no and very low voltage on secondary side, I have replaced ic feedback, I gave replaced all capacitors and mosfet and diodes but still I don't get any power on the secondary even the secondary sideboard the transformer no voltage DC 0.00v....that's for any help*
please check the RCD snubber circuit (resistor, capacitor and diode) connected across the primary winding of the transformer
i think, it have some problem
please check the link ruclips.net/video/uqq9DpBwpuY/видео.html
and please let me know the results
@@HaseebElectronics *Thank you my friend, on primary I get AC voltage all the way upto the transformer primary side, but then on the secondary side no power or very little power , so primary side AC power OK even large capacitor charge to 340v, problem is no power after the transformer secondary side, I have replaced all Bad components and IC have checked others out of circuit and are OK but still I can't get power to the secondary side*
Good afternoon sir
I am not able to identify the fault in ATX power supply, problem in the SMPS is that standby supply and Power on supply is ok/correct,
Power transistor is also good,in the mains primary side half bridge supply is gradually decreasing to the other side of coupling capacitor 105 J connected with the main switching transformer when we give supply
Please help me
What was the waat of that lamp
ຂອບໃຈ..ເຮັດໃຫ້ຂ້ອຍໄດ້ຄວາມຮູ້ເພີ່ມຂື້ນ. 😊
Sar mere pass AC power supply hai usmein Ic sg6109d ha kuch samay bahut 13007 transistor don short Ho jaate Hain without kisi
विदाउट किसी लोड के शॉट हो जाते हैं सर
Nemam prevod prelepa objasnjenja
izvini brate. dodaću prevode sutra uveče. kao što sam ga danas zaboravio. jer je sada kasna noć
Hvala
Amazing
Thanks
Must get component tester
Maşallah
👌👍
👍👍
best regards
👍
best regards and special thanks
👍👏👋👋
best regards
شرح جميل افادكم الله وارجو الرد على رسالتى على الواتس الخاص بك