Here is a useful thread to review about upgrading to full HD flat screen TVs in these coaches...my own Tour Master now has a Visio in the bedroom and a Samsung in the front. The tricky bit on selecting a replacement model is to find the required size, suitable thichness, front controls and speakers ( or modify the cabinetry to accommodate whichever of these parameters is less than ideal...)
viewtopic.php?f=1&t=2471
Let me know if you need more information.
Chuck