WELDING MACHINE REPAIR : MOSFET IGBT BASED WELDING MACHINE REPAIR : PART 5 : FEATURING LNK626PG IC
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- เผยแพร่เมื่อ 8 ก.พ. 2025
- This Video is covering the IGBT based welding machine power supply in full details & explanation.
This Video gives the in-depth knowledge of functioning of SMPS power supply , very much needed to understand by all Technician , students & training institute people at Large..
Its based on SMPS power supply deploying LNK626PG IC .
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Thanks ...!!
SARAL ELECTRONCS
The hints you dropped when explaining how you arrived at the right value for feedback resistor are technical gems that I should treasure forever. Like you say, it's difficult to understand some parts of the boards but every time I watch a video, a switch gets flipped inside my mind that leads to illumination. Hopefully, I'll be able to come out of the darkness with the generous help of gentlemen like yourself. Hats off sir, for your efforts in educating the youth.
Sar aap bahut acche se samjhate hain aap ka video bahut achcha lagta hai bahut kuch sikhate he❤❤❤❤
Good information sir..ur explanation methods so good
👍
I have today a welding similar to this, I have received with exploded ic switch Lnk626 and I didn’t know what reference but with your video I could know it, thank You very much Sir.
Sir aapne smps aur MOSFET ko Bahut achhe se explain Kia. Bahut hi useful and knowgable video hai
Great...!! keep watching
You are great sir. Please keep keep this up.
Enjoy...!
Very impressive representation
Thank You Saral Electronics 😅🚀🚀🚀🤝🙏
Very good advice sir.
Nice video sir ....thanks 🙏
Sir well explained thanks. Waiting for control and driver section schematic diagram and explanation.
As soon as possible
First thanks sir please 3525 ic pr video banain sir good information keep it up once again thanks sir
will cover the subject for sure...keep watching 👍
बहुत ज्ञानबर्धक वीडियो सर
सर वेल्डिंग मशीन सर्किट के बाद इनवर्टर सर्किट के बारे मे जानकारी दीजियेगा प्लीज सर g
will try to cover....if time allows 👍
Nice video
Superb
👍😊
Good job sir ji 💯
👍👍
wonderful sir🙏🙏🙏
Keep watching 👍
Very good❤
🙏👍thanks sir god blus you 🌹🙏
Good information sir welding machine par oc pe video banaye
will cover the subject...👍
🙏🌹very good clas sir thanks 🙏
Good 👍
Sir apse inveter welding machine ka class kar sakte hai online? Apka video bhut acha lagta hai or class kar nese or achese shik sakte hai thk u sir
Video yeni gördüm ilgili olduğum bir konu detaylı anlatginiz için teşekkürler
Thanks....!!
Excellent
Good sir
Keep watching
Sir mere pass ek project hai aap ka guide chahiye .
Sahi m bhot easy language hai aap ka 👍
keep watching...!!
Sir good language working trick sir I am happy single card smps work Thank you sir sir my New video single card 30 pin card ( control card) & 3 plate welding machine 30pin control card with drawing resistor & ic& and capacitor assembly circuit with Value number sir request thank you👍🙏
appropriate circuit diagram is in process....jald lanne ki kosish karte hein...
saab cover hogga...👍
hello sir Sar IGBT lagate Hain jal jaate Hain short Ho jaate Hain sar iske bare mein video banaen sir aapki video hi bahut pyari rahti hai sar bahut hi aasani se samjha dete Hain sar please sar jaldi video banaen thank u so Mach sar video banane ke liye single plate hai sar
okay
Very very thank u sir
ThankYouSir🙏🙏🙏
👍👍
Very knowledgeable video sir ji. Sir ji problem yeh hai ki mma 200 mosfet welding machine without load thik chalta hai. output voltage bhi thik deta hai . Par jaise hi welding rod touch karte hai OC on ho jata hai. Top circuit badalne par problem solve ho gaya. Please reason bataye.
Control card issue ....aaur control card dekha hua hei toh...middle board se top board ka shunt resistor ka signal circuit ka line check kajiye.Finally controlpanel se current control se top card ka line check kijiye...aaur aage control card tak ka line check kijiye....hojayega
transistor zener rehta hei....Topcard k konne pe...
All the best...👍
Ótima explicitação tem com traduzir para o português obrigado
Thank you very much
👍
Thank you sir 😊 . Please plasma cutting machine diagram
Agar moka milla toh jaroor dalunga...keep watching
Thanks
Hi! please enable the translation, is very interesting. Thnx
Sir mere pass same machine aaya h repair ke Liye isme problem ye h ki machine on nahi ho rha h lnk 626 PG change kiya fir bhi nahi ho rha h ptc bhi hit nahi ho rha h please reply me what I do
dekhiye aap jitne components hei check karr lijiye....kaei baar kuch miss kar jate hei....
agar output mein kahin short hei toh bhi set on nahi hogga...
🙏🙏🙏
👍
Hi .. the Lnk626 IC is burnt , the Drain pin has be blown off ... what could have caused that and which other ic can I use in place of Lnk626
LNK 626pg is easily available
Sir mosfet drive card ek dusri machine mei change karke chala sakte hai ya nhi
Mosfet based machine mein laga sakte hein....jisme CA3140 OPAMP rehta hei....
IGBT machine mein issue ho raha hei....input output pins alag paye gaye hein....
Sir a same mashine mere paas he us me really. Mospate. Diode. Braze ractifier sm ok dika rha he.
On krne kr baad series bulp full lgta he 5 sc. Me band ho jata he
Display be off rehta he
Kya problem rhega sir ji🙏
issme IGBT lagta hei 50N50 sayed....aaur direct on karke amprere dekhlo....
hum ko lagta hei aap ne Relay check nahi kiya hogga...check kijiye
Machine start pehle PTC se hotta hei...baad mein Relay takeover karta hei...
Sir g
Hamare single card welding machine me LNK626 bar bar fat jata hai , kya faults ho sakta hai , iska video ka link de do
सर ओ रजिस्टर 10 ओम का है मैं सर्किट नाप के बता रहा हूं तीन वेल्डिंग मशीन का चेक किया मैंने
Thanks....!! for sharing 👍 Happy for U
बहुत-बहुत धन्यवाद सर और भी कोई बात हो गई सर तो शेयर करेंगे लेकिन हम ट्रांसफार्मर की मदद से बना कर देखे हैं इसलिए आप से सलाह ले लिए आपका वीडियो बहुत अच्छा लगता है सर और आपका वीडियो से बहुत कुछ सीखें आपका बहुत-बहुत धन्यवाद इतना डिटेल से यूट्यूब चैनल में कोई भी नहीं बताता है आपका आभारी हूं सर
Sir mera welding machine model no vrw300i low currentkha kese tik karega
200 amp welding machine current control nhi ho raha machine full current par chal raha hai kya problem hogi please reply 3 card bali machine hai
control panel se current control se line control card tak check kijiye...
All the best....👍
Sir,ic uc3846 iske asthan par kon sa ic laga sakte hai please help me
Sar single plate one touch kis kis vajah se usi light jalta Hain uske liye video banaya sar
Tq sir
👍
👉🥀👍
Sir Argon Welding machine Reapair tig ki video
We will try
Sir welding machin foarce variabal curcuit explen
😊 will cover the subject
626pg thik hai ya nahi kaise chack kre
Sir ji,
1) Ferrite transformer market me mile hi nahi, kahan se mangwaye?
2) Output ferrite transformer ki dimensions kya hai is machine ki?
Aap youtube mein bhi spares bechne wale mil jayenge....Mosfet output transformer....kehte hein
Top. 223yn. Smps है। फैन। कनेकसन। निकालने के बाद। ,Smps. चालू। होजाती है। बाद। मे। फैन लगा देने पर। फैन। चलने लगता। है। फैन लगे रहने। पर। पावर बनद। करने। के बाद। पावर चालू। करने। पर smps. वनदचालू। होने लगती है। Sir. Problam. Kya hai
output capacitor badal kar dekhna hogga....
Sir yeh machine ka pdf file mile Ga... Link send karo sir....
Mere pass koi PDF ka link nahi hei....
Sir welding machinoc curcuit digram
in process...👍
Welding machine ka corent direkt ho gaya 0 nahi kar Rahi problam krapaya Marg darson karen
Sar ismein Jo MOSFET lag rahi hai IGBT lag rahi hai uska number aap batane ki kripa Karenge
Sir 19 25 25 transfar nikale the chek krne ke bord pura short tha uske bad kho gya sir market me nahi milta hai koi upay btaiye sir plice riplay uske chakkar me 1 month se rkha hai sir plice riplay
Sir plice riplay
24 वोल्ट एसएमपीएस के जगह पर ,24 वोल्ट मशीन को 12-0-12 ट्रांसफार्मर से दिया जाए एक ब्रिज रेक्टिफायर की मदद से एक फिल्टर के फिल्टर लगाकर दिया जाए तो मशीन सक्सेस करेगा कि नहीं |हम ऐसा ऑन करके देखें तो मशीन तो ऑन हो जाता है लेकिन काम करके ज्यादा देर तक नहीं देखे हैं कि ट्रांसफार्मर से क्या रिस्पांसिबल देता है |आपका क्या राय है सर जरूर जरूर दीजिएगा इंतजार रहेगा धन्यवाद|
Aap 24volt k liye 0-18 ya 9-0-9 use karr sakte ho rectifier aaur filter k baad 24volt milega....koi Issue nahi...chalega...24 se thoda kum raha toh bhi chalega....aage usse 24 se 15volt aaur 5volt hi banana hei...aaur bhi ek jagah jata hei...driver mosfets pe...lekin koi issue nahi.
Mosfet machine mein aaram se chalega....koi problem nahi
Maein ne kabhi use nahi kiya....lekin 100% chalega...filter capacitor 2200mfd diye toh accha rahega...
Line voltage jyada kum raha toh ...24volt maintain nahi rahega...isska khyal rehna chahiye...
lekin issme mehnat bahut hei....repair se assan ho sakta hei...😊
All the best....👍
Kya aap training deta hai
Yes
Abhi chaloo nahi kiya....waqt hogga toh karenge....!!
Agar aap electronics feild mein already kaam karr rahe hein toh , apko alag se training zaroorat nahi padegi , mere saab videos dekhte rahiye..
keep watching....
Sir schematic circuit kese download karege
PART 14 video mein aakhri mein aapna mobile no diya hoon....whattsap kijiye
Sir ap sikha sakte ho
keep watching....👍 . Basics banane ki soch raha hoon ....iss se assan ho jayega
ic3 ka number kya hai ji
Sir please riplay
Mig control card reaper
No specific idea as of Now....will check as when available in my knowledge...
👍
Sir please
10 ohm ka rehta vo
Sir kya apka no. Mil sakta hai
Sar Agar iska Mere Mel ID per Mujhe MOSFET aur IGBT ka number de dijiye please
Nice video
Good sir
Keep watching
Good sir