Question about Samsung LN-S3251D 32 in. LCD HDTV
Do not replace the main board!
If there is no raster, but the TV is not responding to the remote, it is FOR SURE not the digital board.
The TV must be tested by a technician following determined troubleshooting diagrams.
Faults that can give you No raster, but Channel selection working:
1 You have no raster, but you see the display menu on screen.
If you are using an external receiver check cables.
Faulty side AV board :See audio video board here
LCD display Ribbon cable: Samsung Cables / Ribbons for model LN-S3251D
LCD controller board: see here the part.
Good luck with your repair.
Posted on Nov 15, 2008
The most common problem is the power relay switch with lcd tv's, i replaced mine with ease but other tv's i have worked on the problem has been the whole board, look for semiconductor that looks to have blown out, also chech the capacitors to make sure they are not swollen or melted to the board, there is large chance that if something has blown it has taken some other part out with it.
Replacing the whole board can be very expensive and could cost more than the TV itself.
Posted on Nov 15, 2008
Yes, u r right .its the problem on your main board.and it needs to be checked before replacing the board.sometimes the whole board is not faulty,only some electrical components go faulty.it needs to be checked with multimeter and can be easily replaced by soldering iron.
Posted on Nov 14, 2008
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Posted on Jan 02, 2017
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