60" Samsung No picture. Backlights or T-Con? 

Thank you so much for your tutorial. My Samsung had the backlight but no display, after watching your video I was able to order the T-con replacement part and install it myself.

Great job, B.D. Thanks for doing this in real time👍😎🤠

i just wanna say thx and keep it up man, got a broken LG 65UH615T (half dark screen). watched bunch of your videos and managed to fix that (replace the broken led strip) by myself. thank you

Great information. Thanks for taking the time to put this information out.

Outstanding video BigDog. Very informative. After watching I am learning a few things, thanks for sharing. Keep up the good work.

Excellent work, thank you for sharing your knowledge.

Finally! Someone who's clear and detailed on procedures. Excellent video man thanx 👍👍

We just had ours T-con board go out. thank you for the video. Very informative.

You are a very talented teacher. You did a great job on this video. May you have always the success that you so richly deserve. Randy S.

Great videos. I will be supporting local repair shop knowing I can't do this. Watching your video was interesting though. Thank you for taking the time to upload.

What a great, thorough video.

Man you did great explaining everything. Wow really appreciate your help and knowledge.

That is awesome I'm glad I got this information from you just got a free 50-in Samsung and doing the same thing just wanted to make sure I was going for the right thing great job

Happy Christmas. Nice repair and it's good that you didn't destroy your replacement T-Con board too! I grimaced at 20:10 when you lay tv screen down on what looks to be part of a cable tie - thnkfully it didn't damage the screen.

Great video, Thanks for the upload.

Excellent Video. Very clear and good explanations. Thank you

You're good at explaining repair.

Thank you so much! Very very valuable information!

You just saved me some money. Great video man.

Thanks for sharing. I have the exact same TV and same problem. I will fix on my own. Thanks a ton.

You're the best of TV killer bro ! Thanks many times for your video .

thank you for your effots of making this video possible. liked!

Just learnt how to change a tcon board in 25 mins video, great job #bigdog 👍👍👍

This helped out a ton!

Great work big dog!!

Thanks for the great tutorial

Good job. It's nice to know how many lights supposed to be lit on that particular T-Con board.

Dig your production, casual yet direct and informative.

VERY GOOD JOB MY FRIEND BIG DOG THANKS 😃Thump ☝

Welp, I’m pulling up my big girl pants :-) and attempting to fix my tv based on your instructions. Wish me luck and thanks for developing and publishing your AWESOME video!

Thanks bro. Great video.

GOOD JOB! NICE VIDEO! THANKS!

Stephens from south Africa I am enjoying watching the video

keep up the great work bigdog! 👍

I always gently tap the screen ... then with Samsung unplug the main board and then power up and the backlights should automatically come on it’s a test function great video as per 👍🏿

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Thank you, thank you, thank you, looks like this is the problem with my tv I will go ahead and order a T- on board.

I learned a lot, thanks Bro

Thx for this video. My led backlights started going out until eventually the screen went black. Fixed my pos Vizio with a used $15 t-con board from eBay. Now I’m returning my new 85” Samsung 😢

좋은영상 감사합니다 수고하셨어요~

Best intro ever 🎸

Great tutorial

nice video, very informative

great vid!!!! thnaks man and hallelujah for this 3rd blue light!!!!!! :)))

Great video ,

Awesome ! Clear 👍

Thanks BigDog. I learned a ton by watching your video.

These videos are so informative…I have a Samsung UN65KS8000FXZA….took it to a repair shop they said it was the main board, want nearly $500 to fix…couldn’t do that. So I brought it home, ordered a new main board….it kind of came back to life, with a distorted pix (lines through the picture) and the sound was there….BEFORE I changed out the main board it just died, no picture or sound, and the back lights would intermittently flash, that was it…..so it’s not just the main board…what else could it be? I am ready to just trash it..it was an expensive tv and maybe 4 years old…..

Good job. It's crazy how some weird things can cause a tv to go bad. I have 2 70" tvs I'm trying to figure out. Both of them only 1 year old. I'm stubborn and wont give up. Thanks for the video! Merry Christmas to you.

You cold with it bro I appreciate the knowledge

Thank you so much 😌

Thank you, my UN65F9000AF has the similar symptoms. I will try and order a t-con board

Good job master

I like the test to tell if it is the Tcon Board.(12:20 min) More of these experience knowledge tips are great!

Thank you sir.

Hopefully Samsung does the same for the lower PCB attached to the Display Panel, the one where the COFs are. Thanks for sharing.

Well done my Brother unfortunately there arent many of US that is involved in Repairs here in Suriname where i am living if you got my drift,i am approaching 65 luckily i had studied with NTS of Los Angeles California defunct decades ago before i could have completed th e course,still i continued just to gain experience,,started from Lamp TV ,then an elapse for 8 years for i was in Curacao in Construction remigrated back home/Suriname 2 1/2 years ago had to catch up with the new system, ,thus i intend to give one of my kids the knowledge and he is there already, need your advice relevant to the purchasing of the Heat Gun,,Capacitance Tester,,and a reasonable Digital Multimeter ,i closeing ,,we have to be Conscious,,keep it up i am following you My Brother B is B ,God Bless.

Thanks! Gonna be looking at Hisense!

Awesome 👍 job

Dang, finally found a video for this old giant tv, I haven't watched this yet,but prayen this will help me, things just flashing a dull flash when I plug it in, nothing happens with power button at all, black screen and the flashing all i got to go off of to troubleshoot. Hopefully this video helps me

The model you repaired is exactly like mine but 55 inch. It has 2 flashing blue led lights on the t conn. There is a odd image that randomly appears in the upper right or left corner that can be seen with a flashlight. It looks like advertising something about it being the best selling model or something for four years straight. It's crazy right? I will test the led lights when the suction cup things come so I don't damage the glass when I lift it off. I really appreciate the detail and insights you provided. I got it all apart, just waiting for the right tools to arrive. Thanks a ton.

Not like the older units that just had a backlight inverter issue that was easily fixed.. I fixed many units like ones made by Proscan & Coby.

TQ SIR GOOD INFORMATION

Under-rated tech channel. Keep up the good work 👍earned and already subbed. drop him some 👍👍👍, show him some support.

Hi. Your video is easy to follow with accurate step by steps. What if the backlights don't turn on at all but TV does power on and sound works, but black screen? What to do then? Please help, thank you.

Thank you for that Samsung L Jackson my tv works now.

Thankyou Sir

good job

I'm definitely sub to you I can definitely learn a lot from you my brother on tvs

I need you here now!

First off, thanks for the free instructional content. I have a Samsung tv: UN43TU7000FXZA. I'm trying to do my own maintenance on that aforementioned tv, specifically, I'm planning on removing the debris that got trapped behind the tv screen and possibly some of the layers behind the tv screen, if necessary. Question: How is the UN43TU7000FXZA's screen attached to the tv itself, considering it's marketed by Samsung as a "borderless" tv? Is the screen glued to any degree to the chassis? Any accurate information about such would be greatly appreciated.

Great videos bigdog, I have Samsung led 65 inch similar model to the one you are preparing, recently got white vertical line, any suggestions on what and where to start trouble shooting or possible cause thx

Can you provide a video on how to replace the backlights and the part number for the backlight kit for this model? Thank you for the video. It was helpful.

I have 60 in element tv and stand by lights up red and when I turn it on its steady blue light tv powers on just no back up light curious could it be t-con board or interver board?

I really enjoy your videos help me diagnose my Samsung 60-in television they did what you did in the video and got half of my screen to work after removing one ribbon off t con bored could you please point me in the right direction as far as parts needed to order to fix problem do I need a new t con board I know you said it could possibly be the drive board but I'm not sure where that's located or if it's part of the t-con board

If I change the tcon board will this solve the continuous red blinking issue as well? I already changed the power board and it didn't make any difference.. I'll appreciate the help.. also excellent video.. we need more people like you. Thank you for being helpful.

What can cause the t.v to flicker?

Good description! I changed my video board, still doesn't work, my t-con board has 3 blue lights, but still no backlights. I have no reading on AC voltage on the grey and black wires coming off of the power board. So my guess is I have a hard power board. What do you think....please help!

I have an LG tv that turns off after a few mins has sound but no picture. Model-60PA5500 any ideas on what it could be any help would be appreciated...

Hi! I have a samsung plasma tv PS64F8505ST (the last plasma of their high end tv models/ 2013 European model) I would apreciatie the help from you about my issue. Last year i replaced the Y-susboard due to no picture. This time my tv turns of about after 30-90 minutes. Everything just shuts of, even the led light. Cant turn on the tv with my remote even after i replugg the cord to the outlet. I thought the problem sat at the X-sus board. I tried switching to another x-sus board but the tv wont even turn on or show any picture. The power board starts to "clicking" instead so i unplugged the x-sus board from the powersupply and the "clicking" sound went away. When i switched back the old x-sus board it worked fine without any clicking sound from the powersupply but the tv starts to turn of again after 30-90 minutes. I had the powersupply get a light inspection (just looking after any visible faults) but the guy said that he didnt se any problem with the board. What do you reccomend me to do next? Best regards

YESS ! keep up the great work bigdog! YOU AR SOO FUNNY TO !! KEEP america tvs work !

I have the same TV. Red light was flashing then stopped. Back light does not come on when I disconnect the cable from the power supply. What step should I take next ? BTW, your videos are very clear and insightful.

What should the voltage be to the led plug on the power board when the LEDs are not plugged in

Nice Video and good learning for me. Currently i have a problem with my 55 inch Samsung 55LM8600 LED TV, the center of the tv has a reddish big patch when fire-up. What could be probable cause?

That's Why I Bought Me A Magnetic Tray. & I Just Love Using It.

I have a 48" Samsung TV could not be turned on. After a few detour I spotted the following symptom: T-Con board's 3.3V will shut off a moment after turn-on if con1 to LCD panel was connected. If the other flat cable from con2 to LCD panel remain be connected 3.3V will stay on and back light will be dimmed a few moment later. The board number is BN-95-01309A. How can I be sure that source of the problem was the T-Con board or the LCD panel itself? When con1 disconnected LED1 LED2 would lit but LED3 remain be off.

Do all 55inch tv t-con boards have led indicator on them?

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Great work. I have a BN95-01953A t-con board on a samsung un55ju7500 curved led tv and it only lights up one blue led, i see the onter led but its off. I see that the tcon board on this video has three turned on. Been trying to get the schematics to see what activates the missing led power on the tcon board but no luck. Would you be able to help me with this dilemma?

Nice quick fix. Just as well you had a spare T-CON board. Is it worth trying to faultfind the T-CON?

So I have the same television but my screen is showing vertical red lines and I noticed you pointed out a driver board could this my issue with my television?

Does an Insignia Ns-39d310na17 have a t-con? Have no picture which could be led strips but it has sound & there's no backlight inverter.

Great Video Big Dog, I have Samsung UN55F6300AFXZA (Version TH01 with the same blinking light, put a new power supply in and still got the blinking light checked the back light like you did and working, but when I unplugged the main board from the T-con and plugged it back in the blinking light stopped and couldn't get them back to blinking, Why? planning to put a net maind board and T-con board in, since I'm a little savey on electronics went to DeVry Tech in the old days if you can help figure out what went wrong, by the way your video's are great and hope to make one of my own, keep up the great work I'm a fan of yours "John"

Hello BigDog, I learned a lot watching your video fix of this TV, sir. I would like to ask about a problem that I am having with a Samsung UN50J6200AF TV. When I turn my TV on with the remote, I can't change the channel anymore or do anything else with the remote. The picture comes on and plays awhile, but eventually the picture goes away and it shows snow. However, if I adjust the toggle a little bit, I can change the channel and the picture shows up again and plays for a little while. It will eventually lose the channel and shows snow again. How do I FIX this problem, sir? Thank you, James

We need to up the troubleshooting game to techs. The TConn DC to DC IC blows through panel short. The TV needs to be prolonged 'burn in' tested since the problem resurfaces. T-conn board hardly ever likely goes bad and when it does survives the 'bypass tape method...Wish you could tell me the set survived this repair....😓

Hi. I have the exact model tv and I’ve replaced all the backlights. I bought the strips from someone on eBay. Everything worked fine for about 2 months. Now it comes on but there’s no picture, however, I can see a glimpse of a picture when I use my flashlight against the screen. Could it be my backlight even after I replaced them with used strips, or could it be something else?

Same tv same board numbers. Did both main and t con board still no luck. Did the panel LED test all come on. Just the red one blinks.

Love the videos Big dog,just wish i was in the states.Can I ask,I've changed the tcon board on my tv but still have the same result....No picture...when I take off one of the tcon cables 1 half of the screen appears.the new tcon makes no difference

Good afternoon Sir, trying to repair a TV without a volt meter. My TV has a blinking red light (near power button) and Strobing black light. No blue LEDs on my TCon board. My power supply looks okay visually. Motherboard looks ok visually. Besides missing the Blue LEDs on the TCon, it looks ok. I am considering buying a main board/motherboard just to see if it works. If you have any advice, I would appreciate it. Thanks for the vids.

Do you have video working on a insignia 55 inch screen tvs power supply board?