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ARCHIVED FORUM -- April 2007 to March 2012 READ ONLY FORUM
This is the first Archived Forum which was active between 17th April 2007 and
1st March February 2012
Latest post 04-07-2009 12:36 PM by Nickyg63. 4 replies.
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04-06-2009 5:39 PM
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dko7113



- Joined on 09-04-2008
- Copenhagen, Denmark
- Posts 104

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Hi,
I have bought a second hand MX4002 beo4.
The picture is somewhat darker, than I would expect, with settings for brilliance, colour and contrast set to normal (32, 32, 44).
What could be wrong?
Erik
My Beo: BeoCom 6000, BeoCom 2500, BeoCom 1401, BeoLine, BeoVision LX6000, BeoVision LX2500, BeoVision MS6000, BeoVision MX4002, BeoVision MX1500, DVD1, BeoSound 3200, BeoSound 1, BeoLab 4000, BeoGram 4500, BeoPort, BeoPlayer, 3x Beo 4, 2x BeoLink 1000, V Terminal, Form 2, Light Control 2, BeoTime
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tournedos


- Joined on 12-08-2007
- Finland
- Posts 5,808

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Re: MX4002 picture quality
Clean under the contrast screen
If it has been used a lot, the tube may have lost some of its brilliance. Just crank the values a bit higher if you like it better that way, they are just numbers at this point. And if you're comparing to some other TV set, remember that B&O's with a contrast screen usually appear darker - they don't need to be that bright.
But seriously, if the TV came from a smoking household, the inside of the contrast screen and the tube surface underneath can have a horrible brown coating. Cleaning them sometimes makes wonders to both brilliance and sharpness...
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Alex


- Joined on 04-16-2007
- Bath & Cardiff, UK
- Posts 2,990

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Re: MX4002 picture quality
For reference, the contrast screen just pops off. Very gently, push a small flat-head screwdriver under the little notch at the bottom of the screen in the centre. You'll be able to lever the screen out a little (being very gentle so you don't scratch it) and then it just pops out at either side.
It's worth giving the CRT tube itself a dust too...
Weekly top artists:

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dko7113



- Joined on 09-04-2008
- Copenhagen, Denmark
- Posts 104

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Re: MX4002 picture quality
Thanks a lot!
Could it really be that simple?
I will give it a try.
I have a LX2500 and a LX 6000 and they do both have a much brighter picture with standard settings, but it seems as the contrast screen in itself is darker for the MX4002, which came form a smoke free environment...
Erik
My Beo: BeoCom 6000, BeoCom 2500, BeoCom 1401, BeoLine, BeoVision LX6000, BeoVision LX2500, BeoVision MS6000, BeoVision MX4002, BeoVision MX1500, DVD1, BeoSound 3200, BeoSound 1, BeoLab 4000, BeoGram 4500, BeoPort, BeoPlayer, 3x Beo 4, 2x BeoLink 1000, V Terminal, Form 2, Light Control 2, BeoTime
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Nickyg63



- Joined on 08-28-2007
- Nottingham
- Posts 628

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Re: MX4002 picture quality
Hi,
If its your first tv with a contrast screen they do at first appear darker. It took a few weeks to get fully used to mine!
Cheers Nick
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