Why LCD is not displaying?

In LCD TV panels VGH,VGL,AVDD,VCOM,voltage dropping problem is very common. cause LCD is not displaying.
Why and how is this problem seen? Here are 5 main reasons glimpsed.
Video related to these problem and solution are here
Big size panel repair • Big Size Panel Repair
COF connection in LCD screen • COF Connection in LCD ...
Fix LCD Screen by Replacing Scalar IC • Fix LCD Screen by Repl...
#ledtvrepair #panelrepair #vcorelc

[@avr.electronicpoint.5575]

First You are best director & photographer. then u r good technician.🙏🙏🙏

[@RaakiChannel]

Good, currently very rare technician are available like you, best wishes

[@technicalritik3569]

You are the best teacher and best explainer of led tv fault

[@SHTFFuel]

Good explain sir....this example for all technician.Nice!

[@althirdynaihub4516]

the best tutorials i ever watched...deserves milion subs..

[@rohaband4213]

Waaaw! You are really a great professional and teacher!

[@divineeyambe653]

Watching from Cameroon, Africa, this has helped me to learn more

[@Ledihatv]

Number one information for new beginner in led tv field

[@alexdsouza8681]

You are very good n honest person who Sincierly ,share knowledge 🎀God bless u ,,There are many other guys share Half - n blackmail u to register ,for their training classes ,v bad.

[@venusselvarajcnp580]

Good information for Technicians, Thank U Very much 👍👌

[@rameshvandhnani8960]

SO BEAUTIFUL VIDEO AND V GOOD EXPLANATION.AMAZING RESULT. Thank you so much.

[@divineeyambe653]

What so educative,it has help me to have many techniques now in Solving no display on a TV

[@yukihironichan]

I've watch many LCD video tutorials on how to solve this kind of problem but nothing mentioned about COF being replace guess they don't have the machine that you have to do the right job amazing.

[@priyalalsamarakoon1669]

Nice practical demonstration, appreciated.

[@jmtorres6710]

Very good video. Simple and on point.

[@sanjayperane6925]

Genius Sir 👍👍👍
My led problem is all voltages are ok in power supply or motherboard, no any over heating,no standby ,set dead !

[@danieladani1771]

gracias men muestras mucha informacion valiosa

[@MyJgun]

Lot of information gathered from you thank you sir

[@jahabarsadiq3227]

Wonderful explaination!!!

[@noisedotselectronics7099]

Ur every videos r useful for all technicians tq sir
By.. NOISE AND DOTS ELECTRONICS

[@planb4035]

Thanks for your time and efforts to share your expert knowledge.
Your technique seems working sometimes and fair enough but VGH voltage is not an alternating pulse but a constant 30V DC voltage and likewise VGL is a constant -9V DC voltage and not an alternating pulse. So my question is, why connect constant DC voltages to LC1 and LC2 which supposed to work but with alternating PWM signals, in this case pulsating 30V to -9V DC voltages with 3s duty cycle from the level shifter chip? And secondly, how does by passing the level shifter chip LC1 and LC2 PWM signals solve the problem, if it's caused but by the faulty gate electronics in the glass panel and not by the level shifter chip on the driver or source board?

[@zainberge8880]

Very useful 👏👏👏,hope you keep uploading very informative videos for all and most specially for all aspiring technician.

[@jofinjoseph492]

Very good explenetion &very helpful for beginers

[@default19in]

Wow tx so much for sharing this knowledge.

[@IrfanKhan-qt7rs]

Very good explain sir
Thanks for sharing knowledge sir

[@g-teche-tech7004]

Loving your videos, if I understand this tracks correctly, VGL and vgh goes to the cofs directly. What if the ckv tracks, please do the video of the ckv tracks

[@alaazahlawi1215]

Thank you very much..
What did you use to clean the cof?
What’s the material please

[@josearmandosanchezvaldez6624]

excelente informacion de este -ic-dc/dc y sus voltajes y causas de falla en lcd...

[@VcoreLC]

Gracias amigos

[@lewisnjovu7957]

What type of magnifine where you using sir the work done is perfect

[@nasarvalli4064]

Super solution & reason Thanq bro.

[@dogma2030]

Este video es oro puro muchas gracias sigan adelante🙏🙏🙏🙏

[@VcoreLC]

Gracias amigo por tu encantador comentario 🙏

[@vipalsharma4120]

Very good way to explain,vvv thanks full you 🙏

[@nalinsaminda]

Very good explanation.. You are doing Good job...Thanks for sharing ❤️👍

[@VcoreLC]

Thank you Brother

[@rachtech-rachidlagraoui7806]

Great video THANK YOU SO MUCH

[@sharmahitesh2299]

Very important usefull information👌👌👌👌👌👌

[@abdulkaderbaksh390]

Great video it's a new acknowledge for me

[@gkgk3766]

Excellent explained

[@alaminelectronic7368]

ভাইয়া আপনার কাজটি অনেক সুন্দর হয়েছে

[@yuvsharma]

Awesome video... Really fascinated by video presentation

[@VcoreLC]

Thank you! Cheers!

[@sunilverma3149]

Very nice 👌👍
And thanks ☺️

[@NaveenYadav-ke8pn]

Very nice information.

[@KrishanKumar-hv8fu]

Very Informative

[@ckshrestha7598]

Very nice explanation

[@Fardeenfarwest]

Very interesting video I ever seen on youtube.
About drop voltage ⚡.Vgh vgl.
Well explained.
And very short video but very useful tips.
Carry on guys for your great works.
Thumbs 👆

[@VcoreLC]

Thank you Fardeen

[@Ningappa143]

Thank you for sharing information sir

[@santhakumarkarur]

Great job thanks for shareing

[@khalidhadi8434]

Merci pour les informations

[@zibobpompon5768]

Très clair et bien expliqué !!!

[@saravananr6996]

Very useful sir, thanks

[@nandimithraabeysinghe4106]

Thank you Excellent .

[@gmani66]

Good explanation, congrats sir,
Which microscope use sir?

[@syamp44]

Very yousfull video thanks

[@mrspongesome298]

Thanks for the info

[@arhamsheikh9944]

Thanks bro great 👍 video

[@user-it9dg7gs7n]

very informative..

[@deejeydaev]

You guys are awesome

[@asrafshaikh6637]

Super definition ❤️👍

[@newpunjab4468]

Good information sir

[@romsuave7019]

great technician

[@RajeshKumar-hc3bh]

, shandar video sir

[@adeolaadebayo9135]

Very educating good joy 🤩 bro
Pls how can we have one on one questions , pls i need to know more
Thanks 🤩

[@dilipkamti5864]

Excellent ❤️❤️👌

[@RajeshKumar-hc3bh]

Shandar video sir

[@anillokhande8098]

Good video and good information. I like your new video. Thanks sir.

[@VcoreLC]

Thanks for liking Anil

[@nasarvalli4064]

Sir. Your teaching great sir. Thanq.

[@VcoreLC]

Keep watching

[@palanisha4225]

Thank you very much ,super

[@shivamjaiswal7839]

Ser good thinking

[@gabrielcuevas5837]

Excelente!

[@moto-tech]

Thank you for sharing ideas 👍

[@VcoreLC]

Glad you like them!

[@franciscofurlan4001]

Tks. to help us

[@VaibhavPatil-hl1eh]

👌👌👌👌👌💐💐💐💐💐
Thanks for technical support

[@hermannehon468]

Excellent 👌

[@rcdominicelectrolab9753]

Thank you master

[@NaseerAhmad-lo3ke]

nice information sir thanx

[@harshabandaru8878]

Very good information for me thank you very much.

[@VcoreLC]

Glad it was useful

[@osmarmartins8765]

Obrigado

[@RajYadav-ds1mw]

Very very nice video sir

[@bhaskarmetikoti1826]

tq sir very intrastad video👌👌💐💐

[@oliverolmedo7683]

Thank you

[@arielarellano9131]

Informative

[@Crasy24Hours]

🙏pranam sirji valubal lesson continue sir pranam 🙏

[@VcoreLC]

🙏 Thank you brother

[@roseelectronics4582]

Great video! A compilation of nasty, complicated issues that requires the touch of a genius to resolve. I love your meticulous workplace and neat presentation. Do you provide training? If so, I'd like to visit you if the world gets better.

[@VcoreLC]

I'm grateful for your kind words.😇 Let's hope the condition will get better soon.

[@anshulkumar7322]

Very good sir keep it up I like all your videos ..........in future make more videos and increase our knowledge day by day......

[@VcoreLC]

I will try my best

[@bunderantehnik87]

Top lanjut bos

[@chandikawickramasinghe8274]

Thank you sir...

[@ronelugalino5500]

Thnkz for sharing sir

[@rolanddejesus8685]

excellent...

[@starelectronics6317]

Thanks sir . Very useful information

[@VcoreLC]

So nice

[@abhijitbhujel1418]

Nice tips

[@alexgfds294]

Thanks,
BELARUS.

[@staltabzch]

Very good👍

[@pankajwasnik8632]

Bahot badiya

[@umeshgawde6954]

Very nicely explain thank you

[@VcoreLC]

So nice of you

[@jahidmikrani407]

Very nice video

[@sohelahmedpolash4044]

Please add audio and description slowly thanks

[@VIVEKSAMRAT125]

Thank you🙏🙏

[@nirav1473]

Good explain..thank u..😊

[@VcoreLC]

Welcome 😊

[@eleazarjudebabasa3420]

Thanks to your tutorial it is clear

[@VcoreLC]

Glad to hear that

[@sitaramdhas9600]

Thanks

[@jamesfarias79]

Hola cuando se calienta demasiado el circuito de gama a que se debe no tengo imagen gracias