50PL9126D/37B 50 in. HDTV DLP TV: the red green and blue colors dont align properly...

Hello your problem is you have a bad color wheel that needs replacing.

Check ur owner manual or call Philip support Tech. ask it this tv model have a colors wheel design into it tv.Not sure for a Philip model tv 50" DLP tv,but the Samsung model 50" DLP tv this problems alway causes by a dying colors wheel that design into it tv.Which the colors wheel it is warp worn out and spinning off of it motor mount axis to cause grinding noises and tv colors to mess up and flashes or have flashes Black & White within it picture.

I have a Philips model Problem with the Philips 50PL9126D/37B 50 in. HDTV DLP TV I have a Philips model number 50PL9220D/37 and it turns off after about 30 seconds and a red light on the left hand side of the power button comes on. Not sure what to do.

That symptom would be most often caused by the color wheel. Color wheels normally run between 150 and $200.

more likely bad wheel

2 red lights on each side of power button

Sounds like it is the Color Wheel !
Encompass Parts Distrubtion 1-800-638-3328
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What are you experiencing? Care to clarify.

Replace Lamp Call Mats 1-800-628-1118

have you changed the lamp? J.D.W.