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Our Sansung 40in. TV screen has vertical and hozintal lines

If you hit the TV the lines  go away and a picture returns; only to have the line appear again and we  go to the process of hitting the TV inorder to have the picture return

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This is indicative of some poor/broken solders on the board or loose wiring. If you are experienced in electronics/tv repair, open the TV and inspect the main board for faulty soldering and redo the same. I would first check the connections on the horizontal amp, and the surrounding caps and resistors..

However, if you do not experience in this type of work, I recommend calling a repairman, as there are voltages in the TV that can kill, even when unplugged.

All the best!

Posted on Nov 15, 2008

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