Question about Samsung LN-R460D 46 in. LCD Television
Greetings! My dream LCD tv is less than a year old and the image has already malfunctioned. The image is darker on one side of the the television. There does not appear to be any 'burned out' pixels, but the illumination is off balance. It has been in a "authorized Samsung repair shop" for over a month, and I am told the entire panel needs to be replaced, and they are waiting for this to arrive from Japan. What is exactly wrong with this television? The repairman cannot give me a direct 'technical' answer, and I think he does not even know the problem... Any advice will be greatly appreciated.
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.
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 Apr 18, 2017
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Posted on Jan 02, 2017
SOURCE: CRACK LCD TV SCREEN
I had one broken a few months ago. I got a couple quotes.. it was about $200 less then a brand new one. I'd just buy a new one.
For the new TV I'd pickup a screen protector for it. My son threw a toy at my TV the other day and I nearly had a heart attack from the flashbacks. Thank God I picked up one of these a few weeks earlier. It stopped it. LCD screens really break easily as you know. http://www.tv-armor.com
Posted on May 21, 2008
This should be repairable. It may be the LVDS Cable or the Main board problem. The only other problem is the T-Con Board.
Posted on May 23, 2009
had a very similar situation with my Phillips 42 in. LCD TV.
Here was my Problem. The Power Supply Board. I opened it up( Warranty was Expired) and found several faulty capacitors on the PSB. Its pretty common. Major Electronic companies were sold faulty capacitors that fail in 2-5 years instead of 10-20 due to a lack of preservatives. It wouldn't surprise me if you have the same problem. TV will work fine for a few years and then just fail completely or slowly deteriorate.
Here are the solutions
1. Have it Repaired
2. Check for faulty caps and if you find some(budged or leaking) you know you have located a problem
Remove the board and replace the whole thing.
3. If you have some soldering skills you can replace the faulty caps.
Caps are very inexpensive, under a dollar in most cases. I replaced 4 for about $5.00
Hope this Helps.
Posted on Dec 10, 2010
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