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Hello, I am having trouble with my Samsung DLP TV (HLR4677W). 

Here is the issue that has been happening consistently for about 1 week:
The TV will run fine for ~30 minutes.  After ~30 minutes the picture starts flickering and then the colors get all "messed up" (it looks blurry, with limited colors, and similar to "pop art" posters).  Once this issue kicks in, it impacts all inputs (HDMI, component, AV, basic cable, etc). 

If I turn the TV off at this point, it will not come back on.  It tries to cycle on several times before shutting down, but a picture will not show.  If I give the TV about 15 minutes, it will come back on, but I will start experiencing the same problem (usually within ~5 minutes).

I've tried a couple things with no luck:
- I made sure that the TV is plugged directly into a wall outlet to ensure proper cooling.
- I placed a large fan behind the TV to see if it would resolve a potential cooling problem.
- The lamp is only 1 month old, so this would only be a problem if the replacement lamp is defective.

When the screen flickers, I don't see the lamp flickering, but I do see colors flickering onto the lamp.  This doesn't sound like the normal symptoms for a bad color wheel, but I was wondering if it could potentially be related to the wheel not spinning fast enough.

Thanks!