Panasonic PT-51HX41E Service Manual

Contents

- 24 -Service Manual.28. Perform adjustments for red so that red overlapsgreen, do not move green.29. Press “1 or 3” on the remote until Yellow (Red andGreen) and blue appears, do not move green orred.30. Perform adjustments so that blue overlaps Yellow(Red and Green).31. Press “1 or 3” key on remote to display red, greenand blue (White).32. At this point the crosshatch pattern should lookwhite33. If the crosshatch pattern is not only white, repeatadjustment for that color (Red or Blue)34. Once the crosshatch pattern looks only white,perform the adjustments for White (“POINT”,“ORIG. POINT” & “LINE”), notice that eachadjustment is only for white (Red,Green,Blue)35. Adjust white for a good line distribution and makelines completely straight.36. Press “7” key on remote, then ACTION to savechanges.37. Press POWER then ACTION to exit convergenceadjustments (DACs menu appears).Horizontal and Vertical Size Check1. Apply monoscope pattern.2. Confirm that horizontal size is 5 ± 0.2 lines at “A”and “B” and that vertical size is 3.5 ± 0.1 lines at “C”and “D” as indicated in Figure 52 with digitalconvergence dissabled (MUTE to 1); If digitalconvergence is enabled (MUTE to 0) vertical sizeis 4.0 ± 0.1 lines at “C”.Convergence Alignment TemplateThe Convergence Alignment Template is a gridapproximately the size of the viewing screen used toensure the proper size and shape of the alignmentrasters. It is 6 blocks across by 6 blocks high. The griddimensions vary with the mode of operation.Apply a Convergence Alignment Template to theviewing screen of the PTV. Make sure the center linesare properly aligned. If a template is not available, onecan be created by following the instructions below.Create a Convergence Alignment Template bydrawing a pattern, as in Figure 53, in the actualdimensions on transparent film or tracing paper. Startwith the Horizontal and Vertical Center Axis and workoutwards until the pattern is complete. Pay attention tothe actual dimensions of the pattern.Grid Dimensions:51” Models: 85.5mm Horizontal X 93mm Vertical.56” Models: 1138mm Horizontal X 853mm Vertical.61” Models: 1240mm Horizontal X 930mm Vertical.Note: A convergence alignment template, partnumber TXFQD01ESER for 51” andTXFQD03ESER for 56” & 61”, is availablethrough Matsushita/Panasonic Services.Figure 51. LINE adjustmentleft/rightup/down2.04.03.5Figure 52. H & V size check111223233321CenterCenterFigure 53. Convergence adjustment grid