Thank you for doing this

The ports one and two seem to have a buffering issue. The one thing I would check is the solder connections on HDMI one. That is the most used port and could have a stress fracture on both boards. Reflow the old board and try it again.

So when it is all said and done, everyone who is NOT a repairman will still end up paying 100s of dollars for the repair, or throw it out and get a new one.

Excelente video quisiera saber donde conseguir esa tiras de led, gracias

All most LED TVs sold in Europa are made this day's are produced by Vestel in Turkey the change the Chassé and the Manufacture Batch aka Sony or LG or store brand but it's in its core a Vestel LED TV

The setting people are referring to changes the characteristics of the HDMI port to accept higher bandwidth signals. Each manufacturer has their own name for it. Turning it OFF will reduce the data rate allowing a poor quality cable to work or a failing HDMI port to struggle on, The reason you cannot find it is because Samsung dont call it that , In this TV the setting is called HDMI UHD Colour (Settings -> General -> External Device Manager -> HDMI UHD COLOUR). If a port never works then try re-writing the EDID from the Factory Menu. If it is erratic the HDMI socket cound be damaged. The 'unknown' thing is a highly annoying feature that attempts to label every port with the name of the connected device.

Hi Allen, wonder if it’s just a problem with hdmi-1 ? Anynet+ is a function that will switch on or off any device connected by hdmi when the tv is switched on/off As mentioned in a previous comment, HDMI UHD Colour expands the hdmi signal to make the most of any input higher than standard 1080p eg 4k. I do not have this option enabled on my current Samsung tv, it seems to make no difference to a normal HD source

Extended warranty - £60+ per year. TV goes tits up after 5 years and it's cost nearly £250, cost of new TV - £300. No problems after 6 years and you're in profit. BTW - my TV isn't connected to the Interweb, so LG can't listen to me in my own home, can't track my usage and can't sell my info.

The paper trick rarely works if there is no image on the screen at all.

Why do "LED" TVs need a back light? LEDs emit their own light? Do you mean TFT TV's?

Do know what the Australians call samsung.........smasnug😂

So you did the same thing as the manufacturers. Don't show the rest of us in detail which cable cable bypasses the protection. just so you will protect your repair business and charge the customer a hundred or so £s

If it doesn't way Deep colour in the HDMI menu then your TV doesn't have it

My dad used to frequently call me around to sort his TV system out because he would by £100 monster SCART cables that would just fall out as they were too heavy for the plugs. The amount of times I would tell him a good quality cable was all he needed not a £100 SCART cable that always fall out. And that's almost right for HDMI as long as the signal gets there and doesn't drop out then it should just work. I have my pc sending 4k/60fps to my TV over a 10m HDMI cheap cable from eBay and it just works. The TV should just work , you shouldn't need to know what all the settings mean just to get it to work. Also Deep colour, would that be 10bit/8bit ?

Don't understand why so many factories use such ice cold blue LED. light all the time? I have it on my IPS. screen in my huawei honor8. IMPOSSIBLE to adjust the correct white balance. you will always get a too cold blueish image. Sometimes too red. That's why my favorite is LCD with Fluorescent light. LED, LED screens also have other problems that LED screens often struggle with, which is due to incorrect use of LEDs. bulbs. 1.Flickering since the light controller runs at too low a frequency 2. LEDs. driven too hard. 3.Does not spread well enough but stronger straight ahead and creates weak light spots. 4. Phosphor coating inside the LED. the bulb is burned away by the heat and then creates the violet light.

Notice that the back light flickers a lot. I think there is a current regulator for the LED lights that runs at too low a frequency. Or the work light you use that is the problem?

Hi Allen. Do you have any answer as to why so many LCD monitors struggled so much with the image stuttering and flickering when images moved quickly across the screen? I have experienced this with both LG. Samsung LCD. screens I have owned. doesn't help if they are 200Hz top model or 100Hz lowest model, same problem. Do you have any explanation, experiences? You have functional (100hz motion plus) settings and the like which did not work so well. My theory is that the image processor was always too weak. Could also be hdmi input which is too slow. Sorry if I'm using the wrong words. Do you have any explanation, experiences?

I remember having similar problems with my new lg lcd 42" 200hz which is now at least 10 years old. But this happened after 10-15 minutes of use from the time the TV screen was first turned on that day. from cold

Better quality hdmi cable doesn't make sense ofc... But hdmi version does... Prolly this expensive cable is newer hdmi version... If u check hdmi versions of tv & player & cable, u might find out

Remember the SCART days even a basic scart cable would work as intented,then you got the heavy quality cables which use to force the plug out of the socket usually at the cable end,then someone thought a flat cable was better with high quality metal plugs..but HDMI should work even on a basic cable no need for all the fancy high quality cores of cable ,back in the day of HI-FI seperates you would often get RCA phono leads bundled they were not fancy & they worked.

Perhaps a close under-a-microscope visual inspection of HDMI 1 is required, both externally and internally. Supposedly there is an HDMI troubleshooting mode under support-self diagnostics but I have no idea whether this will provide anything useful.

arnt clock lines kind of needed, how does removing one fix something? if it doesnt need it why is it there from factory?

Hi Alan I love watching your channel I m not an engineer, Alan I watched you fixing one of the TVs above one you said needs a screen and the other one you got going the one with the screen issue, can you not get a vintage TV from recycle centre. Take care Alan. Sandy

What a waste of time !!!

I've experienced similar odd behavior with the Smatboards in the school where I'm a Physics technician. The board specifications limit the length of HDMI leads to 4.75m, but using (high quality) leads over 4m cause problems. intermittent loss of signal or failure to recognise connected computer/DVD. Often switching to standby and back on sorts the issue. Sometimes completely rebooting (mains off/on) solves the issue for a week or two.No long term solution though.

My sony Z9D is still going strong. Its turned itself off a couple of times but overall its still working. Its been a good buy so far.

i find hdmi so flakey samsung user manuals dont help saying unplug everthing, switch everything off and back on! is it running windows?! lol ive noticed (on old samsung) each hdmi has its own 24c02/24c16 eeprom and always wondered if these corrupt? guessing its for handshaking , maybe its full of res and refresh set capability data?

Had a ru7200 that was okay 8000 is a bit brighter a bit better but pales in comparison to the refurb q70r we got for the same price.

My LG sets have that setting, it's probably just LG marketing terminology for standard RGB without chroma subsampling. I would expect Samsung to have some equally grandiose term for it. I had to shop around for some time to find a 5 meter cable that wouldn't drop signal with uncompressed 4K video from a desktop PC. Your problem seems to be different though, you're not asking that much of the TV or the cable.

What is the difference between HDMI and HDMI-CEC cable? Consumer Electronics Control (CEC) is a feature of HDMI designed to allow users to command and control devices connected through HDMI by using only one remote control. For example, by using the remote control of a television set to control a soundbar, set-top box and or Blu-ray player.

What did you do? You removed resistors? You shorted out resistors? You waved your hand at it?

Try a different player if you have one i.e dvd player ? Just a thought 😊

The deep colour they were talking about is the HDMI UHD Colour mode which you turned on it is off by default and only affect 4k content, it should not affect the tv detecting a hdmi signal.

i did one of these where the tape trick didnt work, so i looked on the boards attached to the panel and right at the end of the left hand side board there was a resistor network component, one of those bank of resistors stuck together type deals, which was getting hot everytime the screen flickered.. i removed the component which resulted in no picture at all, so i put link wires over all of the resistor "links" untill i found which one particular line had the problem, and when i removed that one resistor from the bank of them so to speak, the tv worked fine and has been working fine for about 6 months and counting , (its my front room tv now) the tv model number is a ue50nu7400u

Nice fix saves them going to the tip cheers Allen for spreading your knowledge to people that are not in the know 😊

Totally agree picture is spot on probably had a Samsung screen in it, Samsung tvs are rubbish these days

Charity shop electrical tester here - we get a LOT of TVs (only outnumbered in donations by lamps). I'd say I have an 80% success rate with them. I do find it's the newer ones that have problems. Had to bin a 41" Sony today as it wouldn't even power up. But a month ago I got a 4:3 Sony from 2007 that works perfectly (though it still hasn't sold, even though I priced it at £15). I think the public would be horrified to learn exactly how many TVs went to the recycling after a small amount of time after manufacture. I can generally coax even old VHS recorders back to life, but TVs? No. What you have is usually what you get.

I have one of the first Samsung LED tv's No options It's still perfect after 11 years

Great video Allen as always, yes that 2700uf cap in the older vestels was always the culprit, never really got any screen issues at all with them, but samsung now on the other hand the later stuff, your right about the screen issues all started really from the mu series and just got worse, we at work see a lot of 50" samsung with panel failure blank screen but bl lit and rebooting, the 50" seemed a lot worse, weve had 100's of them but nothing we can do, happens loads with 55/65/75 even 43" and the other problem is they will come on perfect for a few minutes then the picture will start twitching vertically like double image every few seconds, but the older vestel was pretty much bullet proof, sort of new what the problem was with the vestel, just from the thumbnail, but take care and keep up the good work

I get what you mean about people wanting to keep old and familiar stuff going. Last Sunday I had an older couple come in to the repair cafe with a portable DVD player that no longer works on battery. Sure enough, there was a big puffy lithium battery pack inside. I could only find one on ebay and at £13 its probably not far short of buying a newer DVD model. It's only a Bush/Argos budget thing. However, dementia is a cruel beast. He still knows how to use this system and his wife said she would buy a brand one but it'd confuse him too much. Later that evening I checked ebay again and that battery was sold. I hope it was his wife and I get to see them come in again in a couple of weeks time. A least they won't get a bill, repair cafes are run by volunteers and I really want to fix this for them.

My 37 inch sanyo branded vestel set is still working fine and it is 13 years old i checked the psu to see if any caps look bloated and it all appears fine ,my set has an off switch on the side to turn it completely off something i always do every night .

I am so very glad i stuck with my Panasonic Plasmas over the last 15 years Both going well never issues and will never buy another tv while they are alive and I also chose My DLP Otopma Projector over a LED as I have always felt LEDS seem to always look unnatural.

Its like the JMB tv I got which has a DVD player on it same menu

The older ones have an array of analogue inputs which the newer ones often lack - useful things to have around.

I don't need to watch the video to say which one will be in the dumpster. But i will watch it just to find out if i am right Modern TV's are throw away items, just as mobile phones are.

Samsung Tv screen faults are becoming very very common these days.

We had two Sony 32"' LCD tv's brought 2010,they still works. We don't have large tv because i'm using projector for watch movies and sports. That's cheap old days and my old gears still works, no need to buy another until those broken and beyond repair.

Well i learnt bugger all there 😁

How this TV acts is actually an advantage. I've seen LG and Samsung TVs which had less sophisticated protection for the backlight, and it caused the light diffusor lenses and the white backround plastic sheet to burn with actual flames when an LED failed! The plastics had enough fire retardant in them so the fire stopped, but it still burnt a 3-5 cm diameter hole in the white backing, and burnt the diffusor into a black blob. Maybe Sony went a bit over the top with this protection, but it is better than an actual fire inside your TV, when you can only hope the fire retardants will do their job. What TV manufacturers should do, is make the backlights replacable again. In the last 5 years, almost all TVs have the LCD panel glued into the frame with a strong double sided tape, which causes a high risk of breaking the panel as you try to remove it to access the backlight strips.

Absolutely Sickening!