Question about Samsung Televison & Video
Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.
Posted on Apr 20, 2015
"Sound and no picture means" the TV is working and the picture is also there but you are not able to see because there is no back light. This may happen due to a bad inverter board or the bad power supply which is not providing necessary voltage to the inverter section.
Posted on Apr 19, 2015
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Posted on Jan 02, 2017
SOURCE: Panasonic 50 inch Plasma
it could have over heated you can try to reset it first unplug it for about five minutes and try to turn it on if that dont work the remote might have a set button try holding that down until the red light flashes twice, then turn it on if not then hold the power button down on the set for a good five seconds to see if that resets it. if none of that works you will have to go to panasonic .com for the reset instructions.with the red light blinking the power supply is most likely good you just need to reset i.
Posted on Dec 24, 2007
I have a Phillips 50 inch Plasma. About two months out of warranty the top half of the screen would go black. Sometimes when we tapped on the back behind the upper right hand corner the picture would return. I did some research online and found that there is a Main Y sustain board (much like a mother board in a computer) and connected to that board is a upper Y Buffer board and a Lower Y buffer board. According to my research these boards seem to be the source of the problem. I am assuming that the upper buffer controls the top half of my screen and the lower controls the bottom. I removed the back of my TV (about 50 small screws) and searched for these parts by part number. Surprisingly all of the parts in my Phillips are made by Samsung. I found the parts on ebay at shopjimmy.com. I decided to try replacing the upper Y buffer first. I ordered it from shopjimmy for about 100.00. When I received the part I started to remove my upper Y buffer and realized that the new part was slightly different. The part number was the same but the REV. number was slightly different. The new part was missing a small white connector that connects the upper buffer to the lower buffer. I sent it back for an exchange for the right part with no problem. Ok so here is the interesting piece of this little adventure. When I started to remove my upper Y buffer I removed the screws and started to pull on it to loosen it. When I noticed that I had the wrong part I pushed it back into place and put the screws back . My TV has worked perfectly since I did that, with my original part. It has only been about two months, but if you are in the same situation it might be worth a try.
Posted on Oct 24, 2008
the Fuse needs to be Replaces, contact nearest samsung service center. would cost just $1 trust me
email me if you need any assistance ... email@example.com
Posted on Sep 02, 2009
Hello solidsnake55, my names Dave.
I Have worked on this model of TV many times! This model has a power supply that is a two in one! Meaning it is the mean power supply / inverter board! If you look at the top side of the power supply you will see that there are two wires that go to the back light of the TV one is light blue and the other is pink! I think! Anyway next to where they plug in to the power supply is the main inverter! it is square 2 1/2 inch's by 2 1/2 inch's. You will want to check all the solder joint to the inverter on the back side of the board! Theres a good chance that you have a bad solder joint and all you'll need to do is re-solder the bad joint to complete the repair! This is a common problem for this particular power supply!
If you need any other help with this repair or any other repair please feel free to contact me at www.pleasefixitdave.com You'll find all my contact info at this website!
We are a plasma / LCD repair shop in Portland, OR. We also sell factory replacement parts for Plasma & LCD type TVs! All the parts we sell are warranted not to be DOA (Dead On Arrival) with a full cash refund or replacement part! I also provide TV repair tech assistance!
Posted on Mar 31, 2010
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