– 4 –
After finishing AGC level adjustment, start Hue andchroma adjustment automatically.2-8. Hue and Chroma AdjustmentAdjustment location: Computer screen
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope, vectorscope,
color bar chart
Subject: Color bar chart (Display the color bar chart at desig-
nated picture angle.)
1. Adjust “Adj.Chroma” in the adjustment window.
2-9. CCD White Point Defect Detect AdjustmentMeasuring location: VIDEO OUT
Measuring equipment: Monitor display
Adjustment method:
1. After finishing Hue and Chroma adjustment, shield light with
a lens cap to provide dark condition.
2. Click the “NEXT” button to be CCD White Point Defect De-
tect Adjustment.
3. After completing this adjustment, it comfirms that white point
can not be seen on the monitor display.
4. “OK” will display in the “STATUS”.
5. Click the “CLOSE” in the adjustment window, and complete
the adjustment window.
2-10. 28 MHz VCO Voltage ADJUSTMENTAdjustment location: CT232 (CA-2)
Measuring location: TP232 (CA-2)
Measuring equipment: Digital voltmeter
Subject: No designation
Adjusting method:
1.Adjust with CT232 to 6.0 ± 0.2 V.
2-6. Iris Level AdjustmentAdjustment location: VR244 (CA-1)
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope, color bar chart
Subject: Gray scale chart
Adjusting method:
1. Display the color bar chart at designated picture angle.
2. Click the “NEXT” to be “Agc Off(AutoIrisLens Adj)” in the
adjustment window.
3. Turn the VR244 to the right so that the white level is maxi-
mum.
4. Turn the VR244 to the left so that the output level is 550 ±
20 mVp-p.
2-7. AGC Level ADJUSTMENTAdjustment location: Computer screen
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope, color bar chart
Subject: Gray scale chart
Adjusting method:
1. Display the color bar chart at designated picture angle.
2. Click the “NEXT” to be “Adj.Agc” in the adjustment window.
VIDEO OUT
30 µsec
550 ± 20 mVp-p
VIDEO OUT
30 µsec
VIDEO OUT
30 µsec
VIDEO OUT
30 µsec
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