Good 👍👏👋

@HaseebElectronics

Жыл бұрын

thanks a lot

@miloradgraovac74

Жыл бұрын

Dragi BRATE jedva sam odlegaò snimak ,mislim da si znao da je ic u prekidu,mnogo VAS pozdravlja❤

You are an excellent teacher. Thank you very much. Waiting for more similar videos of repairing other power supplies. Again thank you very much. You certainly deserve it. May God be with you always, Amen.

Thanks for the walk through trouble shooting😊

Nice explanation, no theory, just pure practice!

@HaseebElectronics

Жыл бұрын

it is my pleasure

Hi Haseeb I find the tutorials informative

Excellent Sir, Nice Explanation,waiting for more videos

Great video. Very professional and understandable. Good job sir.

Perfect 👌👌👍👍🙏🙏💟💟

I really really like your videos sir. Keep up the good job

you Da man Haseeb😀

Very good tutorial Sir.. Waiting for the next video Sir.. Thank you...

I didn't know the phone can be used as magnifying glass, that is good to know. Thanks for the video.

Good analysis what was broken. - Nice video, - good video cut and - perfect explained what you check - to find the fault in some minutes. Well done and *my thump up*. Additional information = In europe the amount of money for one hour worktime... (plus fuse, plus IC UC3845 at 2023-june-07 = US$ 1.51 + tax + postage or cheapest seller 0,29 Euro + 5,95 Euro postage and wait for delivery) ... is higher than a new 24 Volt SMPS (=switching power supply). We must have a very very very good reason to spend more money as we pay for a new SMPS ... Often we have a lot of spare parts (to repair straightaway, change the SMPS in minutes and get the production plant running). A *new SMPS have* = new *capacitor*, *ventilator*, no oily dirt inside, new diode, new MOSFET, etc and the time to fail is reset to zero for these SMPS. But we have a lot electronic waste parts ...

Thanks a lot learned from it❤

Excellent video and repair.

@HaseebElectronics

Жыл бұрын

it is my pleasure

Yes, thanks really useful for some users , some them may feel like advanced....... Congratulations, I appreciate your work for doing such videos ! 👍

@HaseebElectronics

Жыл бұрын

You are welcome!

Great Video, Watched most of your videos and learned a lot. Thank you keep up the good work

@HaseebElectronics

7 ай бұрын

best regards

Informative vedeo. Thank u so much. God bless you.

@HaseebElectronics

Жыл бұрын

thanks a lot dear brother

Very good and useful information thanks for sharing this knowledge

@HaseebElectronics

Жыл бұрын

best regards

very clear explanation for troubleshooting the smps

@HaseebElectronics

Жыл бұрын

best regards

Thank you Professor for enlightening us

@HaseebElectronics

Жыл бұрын

My pleasure

ကောင်ပါတယ်ဆရာ👍👍👍

@HaseebElectronics

11 ай бұрын

ကြိုဆိုပါတယ် ချစ်ညီလေး

Keep up the good work and thanks for sharing

@HaseebElectronics

Жыл бұрын

best regards

Nice job of fault finding.

@HaseebElectronics

Жыл бұрын

it is my pleasure

@cranegantry868

Жыл бұрын

@@HaseebElectronics I'd like to see you get an isolation transformer for improved safety. I have one in my workshop. Isolation transformers are made with small inter-winding capacitance and other features. SMPS's are dangerous. I really don't like them. You have a great channel, I love it.

@HaseebElectronics

Жыл бұрын

I already have isolation transformer for my workbench and separate transformer for my test equipment

WAtching from philippines..

@HaseebElectronics

Жыл бұрын

most welcome

I like your warning that you aware the people that if anyone doesn't have the proper knowledge in this shouldn't do the same that is great thanks

@HaseebElectronics

Жыл бұрын

yes dear. if someone don't have knowledge about electrical safety, then it is dangerous

Explanation v clear with advise

@HaseebElectronics

Жыл бұрын

best regards

Výborná práce dobře vysvětleno jak vyměnit IC.

@HaseebElectronics

Жыл бұрын

je mi potěšením. pozdraví

very good Vedio thank you very mach I waiting for this Vedic

@HaseebElectronics

Жыл бұрын

it is my pleasure

Nice sir .....im ur subscriber...i need this multimeter...

Great work thank you

@HaseebElectronics

11 ай бұрын

best regards

Hello my friend. Good to see you become a super star on KZread.

@HaseebElectronics

10 ай бұрын

please accept my best regards 💕

Nice job, and after 50+ years of repairs, I learned something new. One suggestion, if you already have the board out, might as well shotgun the electrolytic capacitors, as they are often the issue with switching supplies--especially any on the high-voltage side.

@JayWye52

3 ай бұрын

depends on how old they are. doing an ESR check will tell you if the electrolytics are good,marginal,or bad. then you're not replacing caps that are OK. I love my Dick Smith ESR meter. Often,electrolytics going bad will discolor or begin to bulge. Those have to go. Housekeeping supply caps are a common switcher failure.

Subha Ka Salaam Janab Bhai Sahib

@HaseebElectronics

Жыл бұрын

wa alaikum salaam bhai sahab

A job well done................. 👍👍👍👍👍👍👍

@HaseebElectronics

Жыл бұрын

thanks a lot

Great work

@HaseebElectronics

10 ай бұрын

best regards 💕

nice work

Thank you!

@HaseebElectronics

10 ай бұрын

You're welcome!

Very nice

You are great, you are making good excellent videos in every topic. Can you make a video about UPS transformer?

Good Fix 👍

Cool. Thanks. Might be able to use this for a different power supply I have that doesn't work.

@HaseebElectronics

11 ай бұрын

You can

Always good hand....

@HaseebElectronics

Жыл бұрын

best regards

Thanks sir ji....

@HaseebElectronics

Жыл бұрын

it is my pleasure

Good job 👍🏻

@HaseebElectronics

Жыл бұрын

thanks a lot

Bravo!!

@HaseebElectronics

Жыл бұрын

best regards

very useful

@HaseebElectronics

Жыл бұрын

it is my pleasure

Very good

@HaseebElectronics

Жыл бұрын

best regards

Nice explain sir

@HaseebElectronics

Жыл бұрын

it is my pleasure

Thank you very much sir 👍

@HaseebElectronics

Жыл бұрын

it is my pleasure

@HaseebElectronics

Жыл бұрын

it is my pleasure

Excellent

@HaseebElectronics

Жыл бұрын

best regards

Teşekkürler güzel paylaşım

@HaseebElectronics

Жыл бұрын

en hoş canım

@md.mahfuzurrahmanmahfuz9348

7 ай бұрын

@@HaseebElectronics MMA 300 IGBT WELDING MACHINE AGAIN AND AGAIN CUT IGBT 40N60. PLEASE BOSS HELP ME HOW TO SOLVE?

Thank you

@HaseebElectronics

7 ай бұрын

You're welcome

It will be good some to be explained mostly in English .

çok teşekürler ederim altyazı açıldı

@HaseebElectronics

Жыл бұрын

En iyi dileklerimle

Okey

Boss, pls thank you for the good work you are doing, am one of your student who have watching and learning from your videos. Pls will I get the socker tool you used to pull components on the board from you to buy?. Thank you very much you really appreciate you videos.

Often I'm also using my mobile phone as magnification glass . Nice use !!!

@HaseebElectronics

Жыл бұрын

i am using it since long. it is much easier than the bench magnifier or handheld magnifier. this app is really awesome play.google.com/store/apps/details?id=com.jkfantasy.camera.jkpmagnifiercamera

Nice video sir. Is this power supply uses single switch forward topology because there is a large inductor at the output and 250 watt is beyond limits of flyback converter i think

Hello sir please make a video on safety regarding electronics repairing.

👍👍

👍👍👌👌

Blessed love my brother, Can you tell me how to modify a 12 volt one to about 15.5 volt ?? Please and thanks, watching from Jamaica west Indies !!

Sir please regenerative SMPS ke bare me video bnaiye

👍

Salem PLZ make a video ho to modified ATX to adjust current (control current range) THANK YOU.

Thanks! Great job with diagnosing and repair. It should be noted that you should use an IC soldering iron like you have or an IC soldering iron that's isolated. Some IC'S cannot handle the high static voltage that some cheaper irons may have. I've gotten away with it with the IC's I've soldered, but I heard it mentioned on another video how much voltage can be on the tip sometimes. Have a great weekend sir!

@HaseebElectronics

Жыл бұрын

best regards yes unsafe ESD based rework tools damage CMOS based components. because ESD sensitive parts damage immediately when there are exposed to any electrostatic charge, even placing in unsafe electrostatic charge area destroys CMOS based components

@zarzarel1910

Жыл бұрын

My station, the Gordak 936A has "ESD SAFE" written on it..many don't have a very good opinion of Gordak tools...can I use it to unsolder a CMOS from a PC motherboard? Thanks for the heads up the potential destruction of IC from this point of view

@foxmolder6408

Жыл бұрын

The Soldering Station used by YOU must be serviceable and must be grounded ! it is important to check the presence of grounding PE wires (YELLOW-GREEN) and their connection to the GROUNDING circuit in the sockets from which you power your repairman's equipment, it is also recommended to use an ESD bracelet on your hand, but such measures are necessary when repairing POWER SUPPLY units

What type of smps is this feedback forward or half bridge ( asking as it has 2 400 v bulk capacit0r)

I want to know one thing if u can tell me , Does IGBT inverter welding machine use input line filter i mean common mode choke and X Y capacitors ???

@HaseebElectronics

Жыл бұрын

in some brands there are class Y capacitors, otherwise most of the brands have soft starter circuit

👍👍👍👍👍!!!

@HaseebElectronics

Жыл бұрын

best regards

👌👌👌👍

@HaseebElectronics

Жыл бұрын

it is my pleasure

is it safe to measure the volatage at drain to source in DC mode of digital multimeter? or at the transformer?

@HaseebElectronics

Жыл бұрын

yes at drain to source of mosfet, or across RCD snubber diode, it is safe to test voltage in DC mode. but testing in AC mode, it can damage multimeter or power supply, because the internal capacitor of multimeter provides very low capacitive reactance at high switching frequency

ob2273 koi alternative?

🧿

at minuets: 15:14 wow 👌 excellent

@HaseebElectronics

Жыл бұрын

best regards

💯🌼👌

Please share the list of tools you have

good job thanks..

@HaseebElectronics

Жыл бұрын

it is my pleasure

Sir required DC to DC boost converter has sort circuit protection and overload protection circuit diagram

Discharging kit kese bnate he sir please video bnaiye

@HaseebElectronics

Жыл бұрын

please check video number 885 kzread.info/dash/bejne/h35m0LuLidWTg6Q.html

@parthchudasama9750

Жыл бұрын

@@HaseebElectronics thanks sir

وعلیکم السلام

good I have a 12v 10A smpa like this , and on load it turn off ... means pwm ic is defective?

@HaseebElectronics

Жыл бұрын

it seems that its current mode error amplifier is to be checked. this ic is driving in over load protection if there is tl494 or ka3525 then check there is some transistor is connected at pin 15 or 16. so monitor pin 15, 16 and its related circuit in case of sg3525 might be pin 1, 2 or its related circuit

@skyvalex8770

Жыл бұрын

@@HaseebElectronics its it tl494 ic circuit , thank you brother I watch your video to learn and dix myself, you are the best tutor for me , thanks again

@HaseebElectronics

Жыл бұрын

most welcome dear brother 💝

what is the difference between Vcc and Vdd and reference Sir?

How to know the value of burnt resistor?

I have a 24-volt, 1500-watt power supply same as this that barely gives a current of 26 amps. After that, it disconnects when the load increases. I replaced the capacitors, and knowing that the transformer coil is made of copper, I could not find any problem. Can you explain how to increase the current and the possible causes of this fault. With thanks and appreciation

@JayWye52

3 ай бұрын

some over-current protection circuit problem? a current limiter that's limiting much too low? perhaps a resistor in the sensing circuit that's changed in value. 1500 watts at 24v is a lot of power. switching transformers are about the last component to fail.

If drain to source voltage is not present 326v and is only 240v at drain to source , but main capacitor has 326v . What could be the problem, ?

السلام عليكم أخي الكريم، i have a Power supply 24 volts, there is no current on the outlet. There is 24 volts, but there is no amp... What is the solution, please?

alt yazı dilleri açarmısınız lütfen

@HaseebElectronics

Жыл бұрын

Evet. artık altyazılı izleyebilirsiniz. şimdi youtube'dan açılıyor

@englishrupe01

Жыл бұрын

You can always use the CC auto-translate mode until regular CC's are available. They work pretty well.

Ember luar bukan tutup satu

whats the name of the gun. ? not an ordinary

@HaseebElectronics

11 ай бұрын

it is WELLER WR3M rework station

@pit3835

11 ай бұрын

Thank you for the info..

He question "why the chip died" has NOT been CLARIFIED by the master!! the 283x/384x chip series is reliable, and simply DOES NOT BURN for no reason!, the cause of the breakdown is not clear!!! so there may be a REPLAY SOON!!! a common reason for chip failure is bad capacitors in its strapping -they should always be changed even if they seem to be alive! When checking the capacitor in in an pulse source AC/DC DC\DC, it is important to control not only the capacity of the Equivalent Series Resistance(ESR), bad caps can have a larger ESR with a capacity close to that indicated on the part being checked

@JayWye52

3 ай бұрын

some ICs fail when new,;infant failures",a small number fail later on. ESD can shorten the life of an IC. ESR checkers are very useful for doing a lasting repair. I have one.

What's multimeter name and model number

Странная логика у автора. Не имея практического опыта никогда не пытаться ремонтировать силовую электронику. А учиться как? Это всё равно, что учиться ездить на автомобиле, не садясь за руль.

@HaseebElectronics

5 ай бұрын

большое спасибо за достойный комментарий. Вы правы, если у кого-то нет хорошего опыта, он не должен пытаться ремонтировать. Поскольку электрические цепи опасны, глубокие теоретические знания, а также практический опыт позволяют правильно подходить к поиску и устранению неисправностей.

👍👍