Acer P3250 Acer P1350 and P3250 Projector Series Service Guide - Page 66

4-5 Test Inspection Procedure Change parts/ Update M/B Version Update v Color Wheel Index v Reset lamp hour OSD Reset v EDID v Re-write Lamp Hour Usage v Check ROD Position and Adjust Reset Dafult Language ( for v refresh models) Waveform Download ( for v refresh models) 4-6 PC MODE FW Color Wheel Lamp Module Engine EDID Lamp Driver v v v v v v v v v v NOTE:Test Signal:analog 800x600@60Hz(P3150/P3150 refresh), analog 1024x768@60Hz(P3250/ P3250 refresh).Take P3250 for example. 1. Frequency and tracking boundry Procedure - Test equipment: video generator. - Test signal: analog 1024 x 768@60Hz - Test Pat Partern: general-1 or master - Check and see if the image sharpness is well-performed. General-1 - If not re-adjust by the following steps: (1) Select "Frequency" to adjust pixel number of pixel clock in one line period. (2) Select "Tracking" and use right or left arrow key to adjust value to minimize video flicker. Master P3150/P3250/P3150 Refresh/P3250 Refresh Confidential 4-4