Acer AL1731 AL1731 Service Guide - Page 7

• Lamp Voltage • Lamp Current • Weight • Optical Specifications 700 Vrms (typ) 6.5 mArms ( typ) 1900g ( MAX) 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). Measuring 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= 6.5mArms ITEM Contrast Ratio (Center of screen) Response Rising Time at Ta Falling Luminance of white (Center of screen) Red Color Green Chromaticity (CIE) Blue White Viewing Angle Hori. Vert. Brightness Uniformity Flicker Cross talk Symbol CR TR TF YL RX RY GX GY BX BY WX WY θL θR φH φL BUNI F CT Condition MIN. TYP. MAX. UNIT 350 430 - - 5 15 30 (total) msec φ=0, θ=0 Normal Viewing Angle CR≥10 0.599 0.324 0.257 0.568 0.115 0.073 0.270 0.305 - 250 0.629 0.354 0.287 0.598 0.145 0.103 0.300 0.335 80 80 65 65 - 0.659 0.384 0.317 0.628 0.175 0.133 0.330 0.365 1.2 5 20 cd/m2 Degrees % % *For Edge shadow will follow limit sample to check. 6