Acer P3250 Acer P1350 and P3250 Projector Series Service Guide - Page 69

6. Focus test Procedure Inspection item Criteria - Test equipment: video generator. - Test signal: analog 1024 x 768@60Hz - Test Pattern: full screen or MEME Sony - Focus check -F rom screen 2.36 M via visual to check the focus, look at the entire screen, focus shall be clear, crisp, and sharp over the entire surface of the display pattern.(Blur word on one of the corner after adjustment is acceptable. However, the word should at least be recognizable.) 7. Color performance Procedure - Test equipment: video generator. - Test signal: DVI (HDMI) 720p,1080i - Test Pattern: Master, In focus II or SMPTE RP- 133 * Please refer to 4-2 to enter service mode. Use 720P & 1080i signal, master pattern to do HDTV test. Color cannot discolor to purple and blue. If the test result is discoloration or flickering, please return the unit back to repair Inspection item centers. - Check if each color level is well-functioned. - color saturations Criteria - Screen appears normal. It should not have any abnormal condition, such as lines appear on the screen and so on. - Color appears normal. - It is acceptable to have few lines flashing at the center and on the edge of 1080i image. However, rest of the image should appears stable. - RGBW should all appear normal on the screen and sort from R -G-B-W. - Color levels should be sufficient and normal. Full screen MEME Sony Master InFocus II / 64 gray RGBW SMPTE RP-133 P3150/P3250/P3150 Refresh/P3250 Refresh Confidential 4-7