Guy, thanks so much for the information on cleaning-I've printed it out for future reference. My set does have a front surface mirror so I'm really glad I didn't mess with it. I just checked the ingredients on the cleaner I used and it has only Alcohol, de-ionized water, and liquefied...
In recent weeks I've noticed what seemed to be really excessive effects from internal reflections on my Sony KP57HW-40. Black bars on 2:35 films looked grayish or took on the predominant picture color during bright scenes, and the blacks in pictures with large bright areas looked washed out, and...