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General discussion

Bright areas in corners of LN52A630

Jan 27, 2009 3:57AM PST

Mr Samsung,

I recently purchased a Samsung LN52A630 TV, and on dark scenes, or especially the black areas above and below a 2.35:1 aspect ratio film on blu-ray, there are brighter areas in the corners of the screen.

I called 1-800-SAMSUNG and Samsung promptly dispatched a local TV repair person, who didn't know what to make of the problem (and used no testing gear); they said the set 'may just be that way'. I answered the survey e-mailed to me by Samsung the next day (very punctual) and asked for an e-mail address for someone I could send pictures of the problem to, but I have heard no response. This was almost 2 weeks ago.

The bright corner areas are not as noticeable in a bright environment (daytime), but very noticeable at night, even with lamps on in the room, most noticeable in an unlit environment. I have used all 3 modes (dynamic, movie and standard), and even have decreased the level of the backlight, but the bright areas in the corners are still present, albeit dimmer, but then again, the entire image is dimmer, not just the bright spots.

My question is: What are Samsung's specs for black/brightness level across a 52" screen, and does my set meet those specifications?

I can take a picture of the set this evening if you would like (and all the picture settings corresponding to the image), and link it to a post if that would help...Considering the glowing reviews these sets get in Consumer Reports and other places, I was expecting more than what I got...

JSS

Discussion is locked

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Panel info
Feb 23, 2009 1:57AM PST

jss22- I'm still trying to find out if the 630 has the same number of bits in the panel and the video processor as the 650. When you get the panel installed would you mind checking the box for any info that might answer this question. I don't know if a picture of the processor board is possible. If so maybe it can be compared to a 650 and 550. Thanks!

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No flashlights or clouding
Jan 30, 2009 12:46AM PST

I have a 52a630 and knock on wood it does not have the problems you describe. There has been a lot of talk of S,A & C panels. Mine is an 'S'. Looking through the louvers on the back of the unit.
Panel MFG.- Samsung
model# is LTF520HE02
ssn: EXB09GTJ8TJ788J1649ZB
Hope this helps.

Does anyone know if this is an 8bit or 10 bit panel or where I can obtain this info??

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Bit panels...
Feb 4, 2009 4:03AM PST

The bit panels is not information that I'm able to obtain. It's not an advertised spec.

--HDTech

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Samsung TV
Dec 9, 2011 6:13AM PST

I went through the same issue on a 7000 series LED. After having the panel replaced under warranty, the second panel is no better. I find that as you lower the back light level and raise the brightness you get a balance. The drawback is in some cases you lose the deep blacks. Think I'm heading back to Sony.