Acer PD100 PD100 and PD120 Service Guide - Page 57

No Step 7 Light Leak Specification Procedure The unit can't accept the leakage is brighter than Gray 10 pattern - Test Signal : 800x600@75Hz (PD100) - Test Pattern : 32 Grays, Gray 10_HP, Gray 30_HP (From Top to Bottom) - Please check and see if the light leaks. - Follow up TI DMD Chip Spec. 8 Calibration 9 Contrast / Brightness Calibration Pattern should be in full screen mode - Once Main Board is changed, firmware upgrade, Video Calibration & ADC Calibration should be done as well. - Video Calibration - Test Signal : 720x480@75Hz (PD100) - Test Pattern : Master - PC Calibration - Test Signal : 800x600@75Hz (PD100) - Test Pattern : White (Top) Black (Bottom) Note: 1. Calibration Pattern should be in Full Screen Mode. 2. Please refer to 4-6. Guide to Entering Service Mode and Facotry Reset for entering Service Mode. 3. Choose and access Video Calibration & PC Calibration for correction in Service Mode. Choose "Exit" to leave the Service Mode after all. Gray level should be distinguishable and without color abnormal - Test Pattern: 64 RGBW scale 10 R, G, B and Each R, G, B White Color color should be Performance normal without color abnormal issue - Test Pattern: R, G, B and White Color 51 Chapter 4