{450} How To Test Switching Frequency of TL494 KA7500

in this video number {450} i explained How To Test Switching Frequency of TL494 KA7500, we can test smps controller ic TL494 output switching pwm signal using oscilloscope and multimeter. just we need to connect external 12 volt dc to vcc pin number 12 and return to ic pin number 7 that is ground pin of TL494 or KA7500. we need to ground pin number 4. and then we can test signal between ground and pin number 9 & 10 or 8 & 11,
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00:00 Introduction
00:21 how to check TL494 IC before replacing transistor or mosfet
01:04 how to test tl494 ka7500 drive signal
01:42 how to test pwm switching frequency of TL494 KA7500
01:56 how to power up TL494 KA7500 IC with vcc voltage
05:35 how to test tl494 ka7500 with multimeter
06:45 how to test tl494 ka7500 with dso oscilloscope

[@rahulpatelgujratahmedabad3497]

GOOD TICHING KARTE HO AP THANKS 👌👍👍👌👍👌👍👌👍👌👍

[@vijayakarekar]

Bhoot badhiyaa ....thanks sir ji...

[@haseebelectronicsurdu]

best regards

[@azankhan1433]

جزاك الله سبحان الله

[@haseebelectronicsurdu]

best regards

[@usmanawan9378]

Excellent sir thank you so much

[@haseebelectronicsurdu]

best regards and special thanks

[@nazarshah7242]

jaza kallah .

[@haseebelectronicsurdu]

it is my pleasure

[@pravinpadhiyar2]

Very very nice video sir thank you

[@susantaatha6468]

Excellent information

[@haseebelectronicsurdu]

most welcome

[@kantibhaidudhagara8838]

Good video thanks sirji

[@haseebelectronicsurdu]

it is my pleasure

[@SKElectronics]

excellent knowledge provided.

[@AbdulWaheedBhatti]

Informative video

[@MrRais66]

Best explaination. Thanks

[@palwindersandhu2031]

Thanks sir

[@rajajangra]

thnx ji

[@HarlavanisPanagiotis]

Excellent video dear friend 😊

[@haseebelectronicsurdu]

thanks a lot dear friend

[@shefqetkaralliu6816]

Grazie meritevole. 🙏👍

[@cakeaudio2611]

12v to 40.0.40 Tl494 Dc to dc conveter pe ek video banao car amplifier ke liye.with voltage feed back and current feedback jo

[@ARA-HOUSE]

lk 36 brother 👍

[@azamkhan-km2fj]

Excellent sir, kia aap comments reply karte. Agar this supply 5 v stable aor 12 volt me fluctuation ho to kia fault ho sakta

[@haseebelectronicsurdu]

thanks for your comment
is power supply mein to aik output he.
agr 2 output hein to dono mein fluctuation ho gi
agr aik stable he aur doosri mein kuch fluctuation he to capacitor ka problem ho ga ya phir bad soldering joint ho ga
ya
aik standby power supply ho gi jo 5 volt he
aur 12 volt separate section ho to us section ki feedback check kr lein

[@nayanjagirdar8408]

👌👌👌👍

[@haseebelectronicsurdu]

best regards

[@Crasy24Hours]

💞

[@haseebelectronicsurdu]

best regards

[@electrical_engineer1]

Sir, very nice
Sir, what is tharsold voltage. All mosfet, igbt driver ic chek tharsold voltage by this method? . Also we chek gate voltage ?
Sir, fluke 179 chek by better frequency?
Please same guide sir

[@rameshmanni5373]

Ustad ji kya ham 3525 ic ko aise hi test kar sakte hain.

[@MdSaddam-tw2yr]

Hello sir BCW61A transistor equivalent konsa hoga

[@surajitjana3693]

Sir 20Ampiar battry cherger ma microcontroller ka kaea kaea kam ha sir usma alredy sg 3525 ic lagahuaha sir

[@electrical_engineer1]

Ucc3818Ad ic how chek.
Its also ground joint any pin??
Please sir 🙏 guide

[@malikrizwan1000]

5 volt 55amp ki supply hai 4.40 de rhe kia karon??? great wall ki supply hai

[@haseebelectronicsurdu]

try to check its output feedback system,
or you can send a picture (pcb front & backside) to my whatsapp [phone]

[@AbdulRahman-en3ow]

if possible sir can you make a diagram of dc 12v (15a) input to output of 30 0 30 (3a) (dual power supply)

[@AliHaider-hq4kf]

desi ups pa fan slow chalte hn 3kv ka ups ha ma ne volt bhi 240 set kiye hn ,,,koi hal btaen

[@shrikantsingh1992]

Battery charger me amp. Kaise control karate hain

[@user-lh8te8yd4r]

सर अगर पावर सप्लाय देने के बाद अर्थिग मे और आऊटपुट न्युट्रल मे करंट आता है तो केसेस चेक करे और क्या प्रोब्लेम होगी

[@sonysounddj323]

सर अगर आउटपुट डायोड शाॅर्ट होता है तो उस की क्या ट्रिक है 12वोल्ट 60 amp ckt मे shotkey diode 40cpq0045

[@CCTVReport]

Sir mera pas Tl494 wala inverter ha oski output freq pehly 50hz thi jab new tha, 1 bar ye kharab ho gya tha to many isy repair kiya os k bad sy is ki freq 58hz aati ha, ma isy kis tarha fix karon

[@ubaidshhd]

asalam alykum sir isi terha ki ek or ic hy us ka b bata dein m51995afp

[@imranmehdi111]

Sir aik 24 volt supply he pehle wo 220 aur 110 volt per on hoti thi lekin ab Sirf 220 volt per on hoti he. 110 per output nahi de rahi. Dosra is k primary section per aik STR (STR83145) laga he us ka kia kaam he ya par. please is per aik video bana de.Thanks

[@azamkhan-km2fj]

110-220 slide switch check kro. Kharab hai to replace kro ya switch ki wires check kro

[@MajidKhan-br7uj]

Sir yeh multimeter kitny ka aata uy...

[@haseebelectronicsurdu]

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[@MajidKhan-br7uj]

@@haseebelectronicsurdu boht mehnga hy...
Second hand kisi k pass bikao ho

[@AssiSoft83]

سر جس طرح سے آپ سمجھاتے ہیں اسکا جواب نہیں۔ مہربانی سر [کوئی اچھی سی اوسیلو سکوپ کے بارے میں گائید کردیں] شکریہ

[@gultajpizzafastfood8934]

Sir apna wahtapp number send kerden

[@haseebelectronicsurdu]

00962-79-1161084