20 Most Recent Samsung LN46D630 LCD TV Questions & Answers

The Tcon board or the LCD pnle is faulty ,can confirm by replacing the Tcon board. If you wish to get some more information about Tcon board problems and solutions then check the following link. http://electro-medical.blogspot.com/

It is not easy to replace video chips at the main board. It is almost impossible. The best way to replace the entire board as card basis. http://electronicshelponline.blogspot.com/

http://www.tvrepairdoctor.com

Just replace the T-con board

The User manual is available in several places. Crutchfield has a link to the manual here: http://a248.e.akamai.net/pix.crutchfield.com/Manuals/305/30540D630.PDF (alternately access it from the Crutchfield product sale page). Samsung also has the manuals but you need to add several extra characters that indicate where the TV was sold. See http://www.samsung.com/us/support/downloads/LN40D630M3FXZA (the link is a javascript link to a Terms of Use page) for the US version. I hope this helps. Cindy Wells

The problem is the LCD panel went bad, it can't be repaired, you have to replace it.

back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.