{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

[@voltronicug]

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

[@bellomuhammed4047]

Wa alaikumus-salaam, Jaza-kumullahu Khairan yaa akhi

[@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 🙏

[@saarike]

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

[@NewEra6348]

Very informative vedio. Thanks

[@muhammadishtiaq24]

Very nice informative video keep sharing

[@HaseebElectronics]

best regards

[@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! !!!!

[@mobilewildrift]

thank you very much for sharing the idea

[@HaseebElectronics]

You are most welcome

[@garn6223]

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

[@HaseebElectronics]

Most welcome

[@roytutorialchannel2761]

Great share this video my friend

[@rahulpatelgujratahmedabad3497]

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

[@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

[@nelsoncarmengomez7416]

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

[@Versatiledani]

another informative video Allah bless you

[@eamonhannon1103]

Nice safe debug technique

[@aanish2.094]

Zbrdast sharing

[@wajidyoutuber4555]

Superb
Like it
Informative video

[@HaseebElectronics]

thanks a lot bhai

[@FishingNOutdoorFun]

wow very excellent explanation

[@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.

[@shefqetkaralliu6816]

Ottimo spiegazione grazie. ⭐⭐⭐⭐⭐

[@kovaifix7266]

very nice video, 😍😍😍😍😍

[@HaseebElectronics]

Many many thanks

[@md.kalimullah7819]

Walaikum assalam

[@AllienTechnology]

New subscriber here,nice

[@HaseebElectronics]

Welcome!

[@AliRezaJoodi]

Thank you sir

[@HarlavanisPanagiotis]

Amazing video dear friend, have a happy Tuesday 😊

[@HaseebElectronics]

thanks a lot

[@user-qq5dd6yq8p]

amigo muchas gracias

[@lokmangoksal7970]

Tesekkrler

[@princesasa124]

Thank you very much

[@HaseebElectronics]

it is my pleasure

[@AnandKumar-ym9yw]

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

[@heshamkatr2128]

Always great than ever mashaaAllah

[@HaseebElectronics]

thanks a lot dear brother

[@rajeshkumar-tv8qk]

Nice.

[@susantaatha6468]

Excellent

[@HaseebElectronics]

Thank you so much 😀

[@snkayanivlog6362]

Great work

[@HaseebElectronics]

Thank you so much dear sister

[@Edmorbus]

Thanks for sharing

[@HaseebElectronics]

best regards

[@ahoorapersia4698]

Hello Mr Haseeb. Thank you for your videos on TH-cam. 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.🙏🏻

[@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?

[@nayanjagirdar8408]

👌👌👌👍

[@69PlombierChauffagisteRamoneur]

salut bon mardi aprem 🙂

[@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 👍

[@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?

[@rashidm9396]

❤️❤️👍

[@HaseebElectronics]

thanks a lot

[@electroniquepassion]

👍👏👏

[@HaseebElectronics]

so nice of you

[@venkeymrtlaks]

Good video brother what desolder u r using

[@HaseebElectronics]

it is WELLER WR3M rework station

[@antoir1205]

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

[@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

[@shahramarya6417]

👍🙏

[@HaseebElectronics]

best regards

[@lucasrocha4329]

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

[@user-qq5dd6yq8p]

de Mexico

[@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

[@electroskills]

Sweetest btother

[@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.

[@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 )

[@voltronicug]

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

[@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?

[@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

[@cmk_tech0288]

Ye vido sir hindi me urdu chaenal pe banaye plise sir

[@surajitjana3693]

Sir isko hindi ma banaea sir

[@HaseebElectronics]

i recorded it
it will come after 1 week. but you can watch now th-cam.com/video/i3hJXGLwGCI/w-d-xo.html

[@rajajangra]

wait this video hindi urdu

[@HaseebElectronics]

th-cam.com/video/i3hJXGLwGCI/w-d-xo.html