Samsung plasma no picture sound works

Sound no picture on 50 inch samsung plasma ps51d450a2m - HDTV ...

www.tomsguide.com/.../58009-4-sound-picture-inch-samsung-plasma-ps...

Jul 1, 2015 - 4 posts - ‎3 authors
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No picture or sound in my Panasonic TH-P42UT30A plasma ...

Well, it could be something inside, but it could also be a setting.
In SETUP, there's the option of using the internal speakers or external speakers. If it's set on external speakers and you don't have any connected, then you get no sound.

Sound but no picture....
Should ask yourself, does it PRIME? Meaning, That's where the Plasma panel lights up a little for about 10 seconds after startup. -- If it doesn't prime, then you need either the SMPS, YZUS, possibly both. OR you might need to check the ZSUZ. Driver boards can be culprits too.
And can you even get to the Menu, Volume, etc. but just picture?
Then you need the signal board.
Unfortunately that's pretty common with Plasmas. Can burn out or burn "in" easily.

Here's a great forum you might like. http://www.austech.info/electronics/20607-lg-plasma-tv-has-no-picture.html

Different Brand but similar problem. This site is excellent for do it yourselfers. As for Samsung Parts, be thankful if you are a DIY-er that the parts are much cheaper if you install yourself. Separate with installation adds up very quickly. Personally, I decided to go with the Rear Projection Samsung several years ago and haven't had any major problems. Heard then that Samsung was having lots of complications of this nature.

Here's the link to Samsung Site:

http://www.samsung.com/us/support/owners/product/SPN4235

You can try the tricks on this site:

http://www.broadbandreports.com/forum/r22996341-samsung-spn4235-sound-but-no-picture

To be honest though sounds like either bad SMPS and/or bad Y-SUS pcb's.

Wish you good luck.

one of the capacitor is leaky try to replace it. it is visible.

IF YOU WERE FACING THE TV FOR UPPER RIGHT YOU MAY A PROBLEM WITH YOUR UPPER Y BUFFER BOARD OR Y BOARD IF YOUR Y BOARD NIS DEFECT YOU MUST ALSO REPLACE YOUR TWO BUFFER BOARDS .

I don't think those are fuses but if something is melted chances are it won't work

Ur backlight video inverter board it totally burn PCB,must be replace,might have to check for other boards ,because major burned.

YOU SHOULD HAVE REPLACED THE Y-MAIN BOARD AT THE SAME TIME, NOW DON'T TURN IT BACK ON UNTIL YOU REPLACE THE Y-MAIN OR IT COULD TAKE OUT THE NEW Y-MAIN

needs a new main board

Try to replace the Logic Board, about 50% chance to fix the problem.