Sharp 00ZSF1116/A1E Service Manual

(2) Turn off/on the power to initialize the lens and No. 4/5 mirrorunit. Check the focus in the normal ratio.(3) If the focus is improper, perform the focus adjustment of thenormal ratio as follows:(3)-1 Make a copy of the test chart on an A4 or 8 1/2″ × 11″ paper.(3)-2 Check the resolution at the four corners and the center of thecopy image. If the resolutions are within the specified range,the adjustment is completed. If not, adjust No. 4/5 mirroradjustment screw. (Loosen screw A at that time.)(3)-3 If the resolutions are not within the specified range, use theNo. 4/5 adjustment screw to adjust. (Loosen screw A at thistime.)(4) Turn off/on the power to initialize the lens and No. 4/5 mirrorunit. Check the focus in the normal ratio again.Resolution standards (Unit: lines/mm)Copy center CornersNormal (100%) 5.0 4.5Enlargement (200%) 5.0 4.5Reduction (50%) 3.2 2.82 Perform the focus adjustment in the enlargement mode(200%).(1) Make a copy of the test chart on an A4 or 8 1/2″ × 11″ paper.(2) Check the resolution at the four corners and the center of thecopy image. If the resolutions are within the specified range,the adjustment is completed. If not, adjust by shifting the rela-tive position of the zooming can to the drive cam.(3) Turn off/on the power to initialize the lens and No. 4/5 mirrorunit. Check the focus in the enlargement mode again.Resolution standards (Unit: lines/mm)Copy center CornersNormal (100%) 5.0 4.5Enlargement (200%) 5.0 4.5Reduction (50%) 3.2 2.83 When the zooming can position is changed in 2, check thefocus in the normal mode again. If the resolutions are out of thespecified range, perform the focus adjustment in the normalmode again.* Repeat 2 and 3 until the proper focus is obtained in the reduc-tion mode (50%) and the enlargement mode (200%).No.4/5 mirror adjustment screw(-)direction(+)direction1scale: 1mmExample: In the case of O.L value +1.0, this position is thereference position.Screw A2.83.23.64.04.55.05.66.37.18. 09.09. 19.29.2 9.2 9.29.2(Copy)Check points2.83.23.64.04.55.05.66.37.18.09.09. 19.29.2 9.2 9.29.2(Copy)Check pointsZooming cam∗Do not move the zooming cam gear at this time.Zoomingcam gear7 – 7