The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
perfecto manual ,completo y detallado de muy buena calidad de impresion, ideal en una palabra.
Text excerpt from page 8 (click to view)
Note 1) Definition of Viewing Angle: Viewing angle range (10�CR)
Note 2) Definition of Contrast Ratio (CR): Ratio of gray max(Gmax),gray min(Gmin) at the center point of panel. CR= Luminance with all pixels white (Gmax)  Luminance with all pixels black (Gmin)
Note 3) Definition of Response time: Sum of TR , TF