SOURCE: HCL4715W Rear projection "Red" color is dim
screen adjustment,remove front bottom cove and find the focus block the screens are also on the same block,if your not sure don't try.
SOURCE: tv picture
Unit has a bad optics block (light engine). Rebuilt engines available for around $350.00. I have seen this sympton several times and I am sure this is the problem.
SOURCE: 2 new bulbs, still dim picture
It could be a dirty projection lense or the light engine is malfunctioning by a slipped lense in front of the color wheel or the light engine is dirty it self. They are not two hard to take out if the mounts have set marks on them then it is easy to put the engine the way it was.
SOURCE: picture quality of my LG Projection TV is very poor
To do this, press the ENTER button on the TV and the MUTE button on the remote at the same time. After 5 seconds the screen should come up and it will read "Lamp use time...Total lamp use time ....lamp reset" Press the center button on your remote (the circle button right in the middle of the four directional buttons) and you will be reset to -0- again. Your orange light should now be off.
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