Question about Samsung Televison & Video
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Posted on Jan 02, 2017
Its a long shot but try this,
It can cause problems when you switch set to & from stand bye.
Check that you are viewing a digital TV channel
Enter the menu and navigate to:
Setup > System > Software Upgrade > Standby Mode upgrade
Change the setting to Off.
I cant gteee that this will sort your problem out so post here if it doesnt & I will check samsung data base.
Posted on Jan 08, 2008
I had the same problem and I replaced the t-con board. My t.v. is fixed!!!! I just couldn't see spending another 700.00 dollars for a repair shop to fix it. The t-con board is located at the top of the t.v. once you remove the back cover. Be very careful removing the two plugs at the top of the board which was easy once I figured out how the clips worked. there is a black lever like connection which flips up, then grip with your fingers the tab and slide the tape like wires straight out. The bottom plug is very simple. Also to expose the t-con board you will have to remove a heat shield cover. Once removed there is foil looking tape that needs to be peeled back to expose the board. The board is very sensitive to static electricity so if you have a grounding strap that you can strap to your wrist and ground to the frame while performing your repair. Its best to lay the t.v. face down on the kitchen table with a blanket to protect the screen. Good luck!
Posted on Sep 07, 2008
When the TV is on, need to check the back light is on(go back side & look into through)
If the back light is on -- need to exchange the Main Board
no back light -- exchange the Power Board --- 95%
exchange the LCD panel --- 5%(inverter)
Posted on Feb 06, 2009
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