{750} How To Test Switching Frequency of TL494 KA7500

in this video number {750} 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

[@snhongo1]

An excellent video ,, thank you very much sir

[@HaseebElectronics]

You are most welcome

[@gopalarao8578]

Haseeb bhai thank you very much for your immediate response . Your videos are very helpful for so many people.
Thanks again and good night 🙏

[@mobilewildrift]

thank you very much for sharing the idea

[@HaseebElectronics]

You are most welcome

[@roytutorialchannel2761]

Great share this video my friend

[@muhammadishtiaq24]

Very nice informative video keep sharing

[@HaseebElectronics]

best regards

[@voltronicug]

Your teaching is awesome and I like to follow you I am adinani from uganda

[@unitykitchenandvlogs5507]

Walaikum Asalam Bhai
MashaAllah great work very helpful video thank you so much for sharing this video 💓💓

[@HaseebElectronics]

So nice of you dear sister

[@kovaifix7266]

very nice video, 😍😍😍😍😍

[@HaseebElectronics]

Many many thanks

[@mariodistefano2973]

Fantastic Haaseb! That's exactly what I asked you several times. You should do the sane also for the *MANY OTHER* switching power IC's are around nowadays like Viper12A, Viper53, DH321, NCP1200P100, TNY268 and many more!! Please consider making these videos ! Thanks! I'm writing a script on testing the TL494 this way, following this video! Thanks ALOT! !!!!

[@garn6223]

Thank you very much sir 🙏🙏🙏 good info I like to watching ur video

[@HaseebElectronics]

Most welcome

[@wajidyoutuber4555]

Superb
Like it
Informative video

[@HaseebElectronics]

thanks a lot bhai

[@bellomuhammed4047]

Wa alaikumus-salaam, Jaza-kumullahu Khairan yaa akhi

[@rahulpatelgujratahmedabad3497]

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

[@princesasa124]

Thank you very much

[@HaseebElectronics]

it is my pleasure

[@md.kalimullah7819]

Walaikum assalam

[@HarlavanisPanagiotis]

Amazing video dear friend, have a happy Tuesday 😊

[@HaseebElectronics]

thanks a lot

[@saarike]

Simply excellent!!!! My humble thanks!!! This was interesting. 👍

[@AllienTechnology]

New subscriber here,nice

[@HaseebElectronics]

Welcome!

[@Versatiledani]

another informative video Allah bless you

[@lokmangoksal7970]

Tesekkrler

[@NewEra6348]

Very informative vedio. Thanks

[@aanish2.094]

Zbrdast sharing

[@FishingNOutdoorFun]

wow very excellent explanation

[@AliRezaJoodi]

Thank you sir

[@heshamkatr2128]

Always great than ever mashaaAllah

[@HaseebElectronics]

thanks a lot dear brother

[@user-qq5dd6yq8p]

amigo muchas gracias

[@susantaatha6468]

Excellent

[@HaseebElectronics]

Thank you so much 😀

[@nelsoncarmengomez7416]

Gracias, siempre un paso más allá que otros. Like y comenterio... cumplido...

[@AnandKumar-ym9yw]

You have explained it before how to test such IC. :-).

[@shefqetkaralliu6816]

Ottimo spiegazione grazie. ⭐⭐⭐⭐⭐

[@chibuzo7746]

sir, thank you for finding time to respond to our concerns. Much appreciated. i deal a lot with smps, i love electronics and have been attempting to learn for many years. Am still learning and your channel has been very helpful. you take time to teach and you know what you are doing. thanks.
I have a question regarding testing of the IC as you taught here. Can we apply the same approach to test other IC where we are in doubt? Thanks. I know the pins are not likely to be the same, but it will be helpful if we can leverage on this knowledge.

[@rajeshkumar-tv8qk]

Nice.

[@eamonhannon1103]

Nice safe debug technique

[@snkayanivlog6362]

Great work

[@HaseebElectronics]

Thank you so much dear sister

[@nishanbamunuarachchi6597]

Hello Sir,
Really appreciate your unmached explaination . Many many thanks for it.
Can we measure the base voltages of main power transistors after removing them pls?

[@69PlombierChauffagisteRamoneur]

salut bon mardi aprem 🙂

[@Edmorbus]

Thanks for sharing

[@HaseebElectronics]

best regards

[@MarkPrince1317]

Very good informative thank you brother why should you not try to make one DIY inverter circuit of tl494
Best regards from Philippines 🇵🇭

[@HaseebElectronics]

thanks a lot dear brother
it need time but i don't have spare time, but i will try to manage it

[@MarkPrince1317]

@@HaseebElectronics I can understand that take your time and take care 👍

[@venkeymrtlaks]

Good video brother what desolder u r using

[@HaseebElectronics]

it is WELLER WR3M rework station

[@nayanjagirdar8408]

👌👌👌👍

[@sunilkarki5738]

dear haseeb sir i found out that in aneng Q1 inorder to measure in high frequency we have to go to milli volt(@second button in meter) and select AC mode then it will accurately display frequency from 100khz to 5MHZ.(it is instructed clearly in manual :) )

[@HaseebElectronics]

exactly yes

[@electroniquepassion]

👍👏👏

[@HaseebElectronics]

so nice of you

[@ahoorapersia4698]

Hello Mr Haseeb. Thank you for your videos on RUclips. I have a question: in a smps device like your device in this video, there are two step recovery diode (high watt). It has not puls transformer. Please explain this topology.🙏🏻

[@rashidm9396]

❤️❤️👍

[@HaseebElectronics]

thanks a lot

[@antoir1205]

Hy sir, saya mempunyai inverter dengan ic pwm sg 3525. Saat inverter di jalankan mengapa suhu ic sg 3525 pada pwm panas? Terimakasih

[@suatkaleli5075]

SA. same pcb model I have power supply 12 V 20 A. There is no load and fan and cooler heat sink is not installed in the case mosfets (j13009-2 x 2 pcs) are overeating that is normal or not? If not what may cause that?

[@oluwastephen7595]

How can I detect good and bad I. C in an electronic card. What is the fast and easier method of troubleshooting electronics card. Thanks

[@lucasrocha4329]

The desolder machine has a good noise to relax and sleep.

[@servicetest6033]

sir ka7500 use smps 5v 40amper to 48 v how to change please sir

[@shahramarya6417]

👍🙏

[@HaseebElectronics]

best regards

[@voltronicug]

May you help me to read ic pin numbers they tend to confuse me

[@user-qq5dd6yq8p]

de Mexico

[@basharamoeen7888]

Dear I have dc to dc power supply no output. Need your help to fix a power supply. Input from 95dc to 295 dc outputut. 26dc

[@HaseebElectronics]

please send its model number, pictures to my whatsapp [phone] or gmail id ashraf4ta4

[@misterpopo1673]

As salam Sir !! Been watching ur videos u r doing a great job sir need a little help to find smd code of Ic Named A4.W82 (Ic is of a Tablet )

[@cmk_tech0288]

Ye vido sir hindi me urdu chaenal pe banaye plise sir

[@electroskills]

Sweetest btother

[@aritrasinghachowdhury3227]

Sir , Which digital storage oscilloscope is best ? I want to buy . Will you pls. help me?

[@HaseebElectronics]

for routine work 2 channel, 100 MHz, 1Ga Samples/Sec, DSO is awesome
you can select Hantek, Sigilent, Uni-T, Regol, FNIRSI while comparing prices

[@aritrasinghachowdhury3227]

I sincerely thank you for the reply.

[@sayedhussainal-sitri2869]

I got 26kh at pin 8 and 11. But the voltage is 1.44v is the IC faulty?

[@hichamtassi1753]

Salam M Haseeb, i built a charger based on a TL494, the voltage adjustement works but when i put a load, the voltage drop to zero volt. Can you please indicate the check points to troubleshoot that issue. Thanks.

[@surajitjana3693]

Sir isko hindi ma banaea sir

[@HaseebElectronics]

i recorded it
it will come after 1 week. but you can watch now ruclips.net/video/i3hJXGLwGCI/видео.html

[@rajajangra]

wait this video hindi urdu

[@HaseebElectronics]

ruclips.net/video/i3hJXGLwGCI/видео.html