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3-6. Adjust Specifications[ST1 board (Side B)]CL531VR501Preparation:POWER switch: ONAdjustment condition:More than A3 size siemens star chartFluorescent light illumination with no flickerIllumination above the subject should be 400 lux ± 10 %.Adjustment method:1. Set the siemens star chart 150 cm ± 3 cm so that it becomescenter of the screen.2. Double-click on the DscCalDi.exe.3. Click the Focus, and click the Yes.4. Lens adjustment value will appear on the screen.5. Click the OK.Note:1. Frequency adjustment is necessary to repair in the ST1board and replace the parts. It is carried out with play mode.Preparation:1. Remove CN931 in the CP1 board, and lift the cabinet front.ST1 board can be seen. (Connect all connectors exceptCN931.)2. Insert the SD card.3. Set the selector dial to playback mode. Comfirm that theplayback image can be seen on the LCD.3. AWB Adjustment1. IC501 Oscillation Frequency AdjustmentMeasuring PointMeasuring EquipmentADJ. LocationADJ. ValueAdjustment method:1. Adjust with VR501 to 497.3 ± 1 kHz.2. Lens AdjustmentCL531Frequency counterVR501497.3 ± 1 kHzCameraPattern box(color viewer)Preparation:POWER switch: ONAdjusting method:1. When setting the camera in place, set it to an angle so thatnothing appears in any part of the color viewer except thewhite section. (Do not enter any light.)2. Double-click on the DscCalDi.exe.3. Click the AWB, and click the Yes.4. AWB adjustment value will appear on the screen.5. Click the OK.CameraApprox.150 cm 3 cmSiemensstar chart4. CCD White Point Defect Detect AdjustmentPreparation:POWER switch: ONAdjustment method:1. Double-click on the DscCalDi.exe.2. Select “CCD Defect” on the LCD “Test”, and click the “Yes”.3. After the adjustment is completed, OK will display.4. Click the OK.– 14 –