Question about Samsung Televison & Video
MODEL# UN46D6900WFXZA I have watched the SHOPJIMMY videos on YouTube on diagnosis and repair, but still kinda unsure.
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.
Posted on Dec 19, 2016
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Posted on Jan 02, 2017
You might want to try reseating all of the ribbon connectors that connect to the tcon first, but it sounds like you may have a bad panel(screen) which is probably what made the original tcon die. The only other possibilty would be the backlight inverter board(either the master or slave depending on which side the dark area is on).
Posted on Aug 29, 2010
SOURCE: bought a samsung 42' 4000
Why won't the Samsung Authorised Dealer repair the board? It's not that difficult!
There will be a power fault and the picture is not "building" properly. At worst it will be one of the memory chips.
With a reflo soldering machine, no problem.
Posted on Jan 22, 2011
I've watch your problem on youtube , that problem can be from main board. But to make sure main board problem, you should check without inputs first. Unplug all input (HDMI, Component, AV in, PC).
Than turn on your tv again. If that conditions still appear, i suggest you to call samsung technician to repair it.
Posted on Apr 07, 2011
Just replace the T-Con board and you dont need any soldering at all. JUst be careful for the flex connector.
Posted on Jan 20, 2015
Testimonial: "Will do. Thank you, Jorge!"
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