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Re: My Samsung 42 inch LCD TV is showing all red objects...
If this is a projection set it could be the color wheel. What is the model number? If you are using the component input jacks besure the wire colors match the jacks.
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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.
when the color wheel stops the picture will be all over the place. and you will have lines when it starts to fail as its not going fast enough for the picture. wining sound is it wearing out.
the color wheel needing replacement is the most likliest cause of that whirring sound it could also be a fan but the color wheel is more suspect for failing.
if this "whirring" sound was making a vibration on the TV, there is a good chance that the one that needs to be replaced is the color wheel. When the color wheel fails it also triggers the signal for replacing the lamp. This is another common issue with Samsung DLP's.
First. The whirring or buzzing sound you hear is the Color Wheel and it needs to be replaced. Second, since I do not know when and if the original lamp has been replaced it is a good idea to replaced the lamp. The bad Color Wheel is the one causing the set to shut down.
First of all, that is not an LCD tv. It is DLP, which is a common mistake because the picture is very similar. DLP tv's use a high-power lamp that reflects light off of thousands of tiny mirrors into a spinning color wheel which gives the reflections color. Each little mirror is one pixel, which can be any color depending on the hole that it goes through on the color wheel. The color wheel may be spinning slower than normal, which could make all of the light go through the green filter on the color wheel, and give your screen a green tint. Have a trusted mechanic take your tv apart and dust the inside. If that doesn't fix it, you may need a new color wheel or bearings for it (that help it spin). You should not pay more than $200 for a bearing replacement on this tv.
This could be your video board going bad where your input cables are connected --OR-- the color wheel going bad. Hard to tell without a photo or reference though. Try swapping the cables first... and listen for any winding or whirring sounds.
Sounds like it's the color wheel. The color wheel is responsible for colorization on your DLP. If that color wheel fails, you'll get funny and funky colors on the TV. You'll also hear a winding sound or a whirring sound. Not all cases you'll hear sounds from the thing, but those are the tell-tale signs that the color wheel is out, or going out.
I also have a samsung 40 inch. Try hitting the menu button on the remote the scrolling over to the right once and scroll down and hit pictures reset to see if that works. If it doesn't check your connections coming from the back of the source and the tv itself.
Well that whirring noise is most probable to be the color wheel. Funny thing you replaced it a year ago. But it's most probable that is the issue. You did get the right one, did you? Because with Samsung TVs they have 2 types of color wheels, either gold or silver bearing.
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