Acer PD100 Service Manual

Also see for PD100: Quick start guide User manual Service manual Service manual Quick start guide

Acer PD100 Service Manual Manual pdf 56 page image

Chapter 4 50Inspection ProcedureNo Step Specification Procedure1 Frequencyand TrackingEliminate visualwavy noise byRsync,Frequency orTrackingselection.- Test Signal : 800x600@75Hz (PD100)- Test Pattern : General 1- check and see if image sharpness andfocus are well-performed.- No video noise is allowed.2 Boundary Horz. And Vert.position of videoshould beadjustable to bethe screenframe.- Test Signal : 800x600@75Hz (PD100)- Test Pattern : General 1- Adjust Resync or Frequency / Tracking /H. Position / V. Position to the inner of thescreen.3 Focus The text in thecorner should beclear after adjustthe focus ring.- Test Signal : 800x600@75Hz (PD100)- Test Pattern : Full Screen- Adjust the center clearly; meanwhile, oneslightly vague corner in the image is allowed.4 HDTV No discolor - Test Signal : 480P, 1080i (PD100)- Test Pattern : Master- Equipment: Quantum Data 802B orCHROMA2327*Please refer to page 4~7 to enter Service Mode.Use 480P signal, smtpe bar pattern to do videocalibration; then, 4:3 screen and 1080i signal. If thetest result was in discoloration or flickering, pleasereturn the unit back to the repair center. (by Model)5 ColorPerformance1. No image(discolor)2. No lightleakage- Test Signal : 800x600@75Hz (PD100)- Test Pattern : 64 RGBW Scale Pattern & 32 GraysPattern- Please check and ensure if each color isnormal and distinguishable.- If not, please adjust color index of theEngineering Mode.6 ScreenUniformityShould becompliant with60%.(Minimum)- Test Signal : 800x600@75Hz (PD100)- Test Pattern : Full White Pattern & Full BlackPattern- Please check and ensure the unit is under thespec.- Please check and see if it's in normal conidtion.- If not, please return the unit to repair area.*Please check and see if there are deadpixels on DMD Chip.- The total number and distance of dead pixelsshould be compliant with the spec.Note:(1) Bright Pixel:Test Pattern: Full Black Pattern- Please check and ensure that the unit cannotaccept any bright pixel.- If not, please return the unit to repair area.(2) Dark Pixel:Test Pattern: Full White Pattern- Please check and ensure that the pixel numbershould be smaller or amount to 5 pixels.- If not, please return the unit to repair area.