Posted on Feb 13, 2008

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Horizontal lines on Samsung Plasma

I have a Samsung HP-R4252 plasma tv. About 1 year after I purchased it (right after the warranty expired) I got several black horizontal lines on the screen. A few months later the picture went completely out. Audo still works. Any suggestions? On my Samsung the screen is still showing the picture at this point but it has many lines and much blury discoloration. This makes for bad TV watching. And yes our warranty has expired now as well. My boyfriends had the TV for 2 years this bluriness and discoloration started about a week ago. We've tried resetting the TV by the remote. I turned the TV off and unplugged it. Not really sure how much trouble shooting can be done.

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Richard Lilja

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Posted on Dec 29, 2013

Richard Lilja

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Hello,
I have a "Home-fix" for you, you should watch this you tube video on how to repair a symptom such as yours even though it is a sanyo tv the fix is pretty much the same for your television and may save you oodles of money!
http://www.youtube.com/watch?v=purk_SyiT44

Good Luck!
Rich Lilja

Anonymous

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Posted on Feb 13, 2008

Anonymous

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Hi,

The most common cause for the loss of picture is a bad Horizontal Output Transistor (HOT). but I would suggest you get a detailed estimate. I think that this would cost you about $60.

The horizontal lines means the vertical amplifier or deflection system has failed. There are over 100 components in this section and any one of them, or most of them can be at fault. However, the most common failure is the VOT or vertical output transistor (which is often buried inside a chip).

The repair will cost around $150 plus or minus.

FEW TROUBLESHOOTING STEPS YOU CAN TRY:

ONE: Do a hard reset (just to make sure there is nothing in the coding that is fowling things up). Unplug the power cord; leave it disconnected for 4 hours. That will restore everything to factory defaults when you power it back up.

TWO: Do the "whacking test" by banging your fist on a few strategic places to see if there are any cold solder joints or loose wires acting up inside the set.

If the above steps don't solve ur problem then I suggest you to go for a repair if you don't have any knowledge of repairing it.

Goodluck...

Richard Lilja Dec 29, 2013

The above solution might have worked on the older CRT based systems but is not applicable to LCD, LED, or Plasma TV sets!

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