Question about Televison & Video
It seems as the main power supply regulator boards' output voltages are low. Check it. Contact any experienced service technician. This work is not a user repairable one.
Posted on Jan 08, 2013
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Posted on Jan 02, 2017
im afraid to say that your display has gone the best thing you can do is call the supplyer of the tv if its under warranty or call samsung. the cost of a new display will be 400 - 500 pounds so you may have to buy a new set.
Posted on Mar 10, 2009
I also have a samsung 40 inch. Try hitting the menu button on the remote the scrolling over to the right once and scroll down and hit pictures reset to see if that works. If it doesn't check your connections coming from the back of the source and the tv itself.
Posted on Sep 03, 2009
It can be T-CON board or worst case the LCD panel itself. You can try reseating the ribbon cables between the T-CON board and the LCD panel first to see if it fix the problem.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Please post back what you find.
Posted on Dec 02, 2010
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