Question about Televison & Video
This tv is very dim, yet for a second after startup its normal brightness. Is there a setting needs changing or do I have to get the backlight replaced?
Posted by Anonymous on
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Posted on Jan 02, 2017
as i previously posted, my picture was dim, muddy looking after replacing lamp with osram lamp. i fixed mine by taking the screen off and cleaning the small mirror. it had a thick layer of dust on it, cleaned with a microfiber cloth. no water, no glass cleaners. i also used a very fine new small paint brush and dusted the projector lens which also had a dust film. brightness, contrast and clarity returned!
Posted on Mar 20, 2009
Recheck the bulb number. This happens when the wrong bulb number is installed. Otherwise it could be a bad headlight ground.
Posted on May 18, 2009
Lcd tv sets are lit by small glass florescent tubes called cold cathodes and, are powered by: ballasts called inverters... these go out just like your office florescent lighting the parts can be purchased online from electronic parts houses and, are easily replaced
Posted on May 22, 2009
SOURCE: Dim display ... no backlight
You most likely have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
To determine if you have a LCD screen or video card problem, read this and follow the instructions.
Defective CCFL backlight, it may have the following symptom:
Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.
Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.
Posted on Jun 01, 2009
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Your TV has a light sensor that changes the brightness of the TV based on room brightness.
It's called an "Intelligent Sensor"
You can turn this off in your "Picture" settings.
Congrats on such a nice TV purchase.
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