Acer AL1916 AL1916p Service Guide - Page 12

• Lamp Voltage 650 Vrms typ. • Lamp Current 7.5mA rms.( typ). 4 Lamp • Weight 2250g . • Optical Specifications The following items are measured under stable conditions. The optical characteristics should be measured in a dark room or equivalent state with the methods shown in Note(4). ŠMeasuring equipment : TOPCON BM-5A, BM-7, PHOTO RESEARCH PR650 (Inverter Freq. : 54kHz) *Ta =25 ± 2°C, VDD=5V, fv=60 Hz, fDCLK=54 MHz, IL= 7mArms Item Contrast Ratio (Center of screen) Response Rising Time Falling Luminance of White (Center of screen) Red Color Green Chromaticity (CIE 1931) Blue White Hor. Viewing Angle Ver. Brightness Uniformity (9 points) Symbol CR TR TF YL Rx Ry Gx Gy Bx By Wx Wy θ L θ R φ H φ L BUNI Condition Normal φ = 0˚ θ = 0˚ Viewing Angle CR≥10 Min. Typ. Max. 450 700 - - 1.7 3 - 6.3 9 250 300 - TYP. -0.03 65 65 65 50 0.640 0.329 0.300 0.600 0.150 0.060 0.313 0.329 75 75 75- 60- TYP. +0.03 - 25 Unit msec cd/m2 Degrees % Note (1)(2)(4) BM-5A (1)(3) BM-7 (5) BM-5A (1)(4) PR650 (1)(4) BM-5A (6) BM-5A Note 1) Definition of Viewing Angle: Viewing angle range (10≤CR) - 12 -