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3-6. Adjust Specifications
[ST1 board (Side B)]
Note:
1. Frequency adjustment is necessary to repair in the ST1
board 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 except
CN931.)
2. Insert the SD card.
3. Set the selector dial to playback mode. Comfirm that the
playback image can be seen on the LCD.
1. IC501 Oscillation Frequency Adjustment
Adjustment method:
1. Adjust with VR501 to 497.3 ± 1 kHz.
2. Lens Adjustment
Preparation:
POWER switch: ON
Adjustment condition:
More than A3 size siemens star chart
Fluorescent light illumination with no flicker
Illumination above the subject should be 400 lux ± 10 %.
Adjustment method:
1. Set the siemens star chart 150 cm ± 3 cm so that it be-
comes center 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.
Adjustment value determination is effectuated using the "STD
AFPOS" and "FOCUS" values.
If STD AFPOS=AF1 and FOCUS=F1, F2, F3, F4 and the
adjustment values fulfill the conditions below, they are
determined as within specifications.
985 <= AF1 <= 1055
-20 <= F1 <= +15
-80 < F2 < 0
F3 = 0
F4 = 0
3. AWB Adjustment
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
CL531
Frequency counter
VR501
497.3 ± 1 kHz
VR501
CL531
Camera
Approx.
150 cm 3 cm
Siemens
star chart
Camera
Pattern box
(color viewer)
