Samsung UA65HU8500 TV repair - Switching Power supply board repair guide

Where is this guy from? Very informative content btw.

Ha ha I love it, I have been watching your channel for a while. You remind me of my self when I was working on the TV repairs up until early 90’s. I then moved to the computers and network. Recently I am retired. But I will love and watch the electronic repairs. Good luck with your Chanel. Merry Christmas Sorin. By the way I got my training in the Austria and then I moved to the Canada.

Young blood wanting to help you like you are some s ort of old man. Get off im only 25 in my head.. lol

Please how can I get schematics for TVs boards??

great explonation

Hi. Looking for competent advice. I got samsung led tv. Some times when turning on, it comming in one particular color, may get in pink, or blue. After view repeating on/off it will come on with normal multicolor format.
What can cause that power board or main board? Visually no sign of damage on them

thank you Sorin

Thank you , I just check and my tv have same problem with diode, Amazing is working now 👍👍😀

i wish repairs were THAT simple; it just does not happen, not to me anyway lol

Lightning struck my house. Pc was fixed with a new powersupply, hoping the TV can be too. What are the odds of just repairing the board vs getting a new board?

Excellent video. Great for putting voltage meter in corner and nice view of meter on components. I subscribed!

Didn't he put the positive power supply to the negative(cathode) of the diode? Why?

This channel is quite educational. It amazes me how many tv's can be repaired by spending about 50cents on a part! Just need the knowledge and effort.

So I just watched 47 seconds of this videos. The guys just dropped an entire TV just to prove a point and save his face. I don’t need help he says. Buddy you do need help, you just dropped an entire tv !

hello sir,
how are you i hope you are fine and well.
sir i have toshiba equium laptop it's no power and no sign of any light when i plug in power.
when i check the board the L2AA ic is heating up but i cant find it in market to replace it.
if you have any idea to replace it on some other ic then let me know to replace it by which ic.
thanks

Thank you that was good fun

Thank you for your videos. I haven’t been able to watch this one yet. I have a question, is that zippo fluid in the zippo fluid bottle? Or are you just reusing the bottle for something else?

2 years is good for you but the paying customer wants the tv fixed not set up for another repair nice job a whole quarter to fix and you want to scam them.

Hello could you make a video with ac out door main board troubleshooting - repair and explain how we can troubleshooting the IPM because the most common problems are with this component… thank you in advance. Petros Santorini island Greece….

Вы считаете что инженера идиоты и диод в схеме был лишний? Я бы не стал так все оставлять и заменил бы диод.

Oh very good more depth here and tricks - well done, subbed. Do more TV boards. :-)

Thank you lot's

What a nice way to explain what's going on, how to troubleshoot it using your brain and experience. Thank you!

your knowledge is always mind blowing.
how i like learning
from you. robert young

Replacing only one diode with one of a different manufacturer or batch is a BAD IDEA.
Because of different voltage drop, it may fail sooner or carry much lower current than the others and be almost USELESS.
Replace all three with similar ones!

It gets more difficult when a resistor opens. I just repaired a similar PS where a 2W resistor failed open but it was perfectly fine on the outside (not burnt). Had the PS in the TV fully connected and plugged into mains, and traced voltages with the aid of the PS schematics. The issue was the PS not switching although rectified mains was there.

That’s the 8 series. I have the same one and it’s badass

Sir, you are amazing!

bravo! u are da man! thanks

How you got to the fault that fast, amazes me.

we can make it better than factory if we put one more diod in parallel and we will have 4x5A instead of 15A

Your videos are always the best sir

Please any help

I have a Sony laptop that say drive not fund or on boot drive
I tried all the ways but still not picking any hard drive

Thank you. I have a very similar year Samsung 40” that’s dead. I’m anxious to look at it now I have an idea what to look for.

Hi, sorin I saw older video from 2017(Jvc tv lt-22dg52 no power repair) on this video you have a problem with 3 diode parallel on PSW, and to identify which one shorted you cut each time one diode and the end u are finding the faulty one. but now u are more expriance and teach us better way

Thanks for all your videos and taking the time to teach US. Regarding those diodes, they are schottkey diodes and even though One is marked SB and the new ones SR they are identical components.
I have an electronics shop near my house in Portugal and for the SB diode they give me the SR One. Thanks again.

Good Master God bless you for good work

Sorin, thanks for the video!!!

Sorry, but we change all 3 diodes, since we have measured them to have the same millivolts, so that none of them are strained.

Great video.....I have a Samsung 75" Q70R and it went black screen while watching a movie, it flashed blue every 20 seconds, I have some knowledge in electronics so I opened it to see if it had bad capacitors. With the TV energized, I disconnected the ribon cable that goes to the main board and the screen turned blue, so I assumed it was not the damaged screen, I have been looking on ebay and I have found the original power supply parts, do you think that replacing the board will solve the problem?...thanks

I use to love fixing TV then testing them for a day.

very nice video

You are Great , i need these videos like air

Thank you so much for showing what failed and just how easy it was to trouble shoot. I have a house with no less than 5 Samsungs in it. I'm sure they might end up like this one. You're the best.

Love your videos Sorin,you explain it pretty good and for a person like me who is not electrically minded it makes some sort of sense if you know what I mean. Thanks for for your time..Good luck mate.

I have a 50" inch philips with sound and barely you can see inside, probably led or power supply. The voltage going to the leds is 38v and after 20 sec drops down to 25v . Any idea If it is leds or power supply?

Thank you for your business, see you again in 2 years.

very comprehensive explanation. 😎 hats off. 😎😎😎