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Sharp Aquos LC37XD1E - 2 issues... need help and / or advice!

squill
11-08-2007, 10:12 AM
Hello all,

I bought a Sharp Aquos LC37XD1E last Sunday and while it is magnificent on a whole, there are 2 issues i have with it and i'd like to know if it's settings related or a problem with the actual product.

The first problem is regarding brightness. It seems to pump up the brightness during any bright scenes on it, and also lowers the darkness during any dark scenes on it. After a read of the manual, the only thing i reckon is related to it and could possibly be the cause is OPC. For anyone who hasn't heard of it (and i quote):

A standout feature of the AQUOS line of TVs is OPC, which automatically adjusts the bulb's brightness level based on ambient light levels around the TV, giving users an optimal picture and preserving the brilliance of their TV for years to come.
So it would make sense that it's adjusting the brightness but even with this turned off, it's still carrying on the same with regards to adjusting brightness. It's quite irritating though really and i'd just like people's opinions on what they think it could be.

The second problem is some odd playback issues when playing DVD from my XBox 360.

My XBox 360 was playing DVD's fine from my old CRT but i watched my first DVD on the LCD last night ('Aliens: Director's Cut' - don't get much better than that!) and noticed that playback appears sped up at various points (especially objects in the background like characters are walking). Oh, and the disc is brand new!

As someone who is a newbie in this area, would it be a problem with the LCD or a setting that needs to be tweaked? Or since this is my first LCD TV, is it just that LCD's make the playback appear this way as so used to CRT's (hence have an untrained eye for LCD)?

I could try and take a video of either problem occurring if it helps to explain it.

Yours in despair,

Brian

BobY
11-08-2007, 12:17 PM
1) Turn off any special features with the words "dynamic" or "enhancement" in their names.

2) I suspect this is a result of their TruD "anti-judder" technology--can you turn that off?

squill
11-08-2007, 12:31 PM
Many thanks for the reply BobY.

1) Turn off any special features with the words "dynamic" or "enhancement" in their names.
I suspected it was one of the AV modes but i've tried them all, and switched off OPC. Read the manual and have played around with all these modes and settings.. and couldn't get a definitive solution.

I was somewhat hoping for a more concrete solution. Something that would definitely be causing it.. but will try fiddling around with settings again later (girlfriend is watching her soaps.. so i'm barred! :))

2) I suspect this is a result of their TruD "anti-judder" technology--can you turn that off?
It could be this.. will try switching it off later and let you know the results.

But the TruD makes a huge improvement in quality of the picture so it is a bit of a tradeoff.

Thanks again for the helpful reply.

BobY
11-08-2007, 12:47 PM
I can't say for sure, but since they are able to modulate the backlight, they might always be modulating it to try and improve black-level, creating an aritficially extended contrast ratio.

If it turns out to be the TruD, well, maybe LCD wasn't the technology for you. Most of these "features" on LCD's (like 120Hz refresh) are really an attempt to overcome the limitations of LCD technology.

squill
11-08-2007, 04:06 PM
I can't say for sure, but since they are able to modulate the backlight, they might always be modulating it to try and improve black-level, creating an aritficially extended contrast ratio.
Have tried a few settings in the 'Picture' menu since and nothing seems to fix this. I'm shocked that it hasn't been mentioned in the impressive reviews this LCD has been getting as it's quite distracting unless there's something i'm missing.

I can live with it i suppose but when trying to watch something dark, it can be difficult to distinguish details in the background.

If it turns out to be the TruD, well, maybe LCD wasn't the technology for you. Moste of these "features" on LCD's (like 120Hz refresh) are really an attempt to overcome the limitations of LCD technology.
I watched the one particular scene from Aliens where it was bothering me last night with TruD off and you were spot on. It fixes it.. the picture is less sharp but they seem to be moving at a regular speed now anyways! :)

The odd thing is it's only on DVD's i notice this.. both my SD television and my Media Hard Drive (which i play DivX / XviD's videos from) via scart don't suffer from this.

squill
11-08-2007, 05:16 PM
Just to let you know. I found my issue regarding the brightness... you were spot on with "enhancement"

Basically, there's 5 different AV modes - Standard, Soft, Eco, Dynamic and User. The first 4 have various conditions they should be used but all apart from Eco and User have Enhanced Picture Contrast switched on by default, and cannot actually be switched off in those which is switched by default.

But my copying the settings from Eco identically into User (user settings i can define for each of the outputs), i tweaked the brightness and backlight a bit and now it's perfect.

This TV is lovely but it does have a lot of little features which are well.. un-necessary. Well, they're possibly necessary (Enhanced Picture Contrast i'd assume would somewhat extend the life of the bulb) but they should be more obviously documented in the manual.