All caps look good, have put another TV in place and it works fine. Removed back cover, all looks OK. Have heard that the "tcon" board could be the culprit. Still scratching my head. Have read about line faults in LCD TV's. They all refer to vertical line problems. My lines are horizontal.
The TCON board can give you both Horizontal and Vertical lines, it is real easy to fix and fairly cheap. The most I have had to pay for any TCON board has been $45 plus shipping. Mostly what goes bad on these boards are the IC, a part that costs around $5.00 but requires micro-soldiering experience and tools.
SOURCE: SAMSUNG LCD TV horizontal lines
causing of horizontal lines is leaky or defective capacitors. check big value capacitors around the board at Horizontal area. check the filter capacitor as well. good luck
SOURCE: Vertical lines in LCD tv screen
Need to check the two things.
1st -- need to exchange T-con Board.
2nd -- need to exchange the cables between T-con & LCD panel or
between T-con & Main(LVDS cable)
SOURCE: LCD TV SCREEN PROBLEM RED HORIZONTAL LINES OF DOTS ALL OVER SCREEN PLEASE HELP
This should be repairable. It may be the LVDS Cable or the Main board problem. The only other problem is the T-Con Board.
SOURCE: LCD TV vertical line
If the line is vertical and "One Pixel Wide" (Pinstripe) then the LCD Panel is bad and needs to be replaced. Contact 1-800-SAMSUNG to set up service.
SOURCE: horizontal lines on tv
TRY REPLACED T-CON BOARD
Manufacturer
Samsung
Part Number
BN81-01312A
Description
A/S-T CON BOARD
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