Acer P5271 Acer P5271, P5271i, P5290 and P5390W Projector Series Service Guide - Page 42

2-18 Rod Adjustment 1. Environment Adjustment - The distance between the engine and the screen is 2M. - This process should be done at a dark environment (under 2 Lux). 2. Procedure Adjustment - C hange the screen to "white screen". - Adjust the screws by using the rod on the engine module to readjust the image. ("Screw 1" should be adjusted first, and then "screw 2". Adjust until the yellowish or bluish parts disappeared.) 3. Abnormal image inspection - It should not have any abnormal color at the frame of the image by estimating through the eyes. Note: - To avoid over adjusting the rod. - After the opreation, please use the glue to fix the screws. screw 2 screw 1 P5271/P5290/P5390W/P5271i Confidential 2-19