Sharp ViewCam VL-E610S, Руководство по обслуживанию

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5-16
VL-E610S/VL-E610H
VL-E660S/VL-E96E
VL-E98E
5-2-2-4.
•
Iris AE adjustment
Measuring instrument
Subject Gray scale
Tape —
Test point VIDEO-OUT
Adjustment address 1FD
Adjustment level 660mVp-p
Oscilloscope
1) Shoot the gray scale in the standard way. Observe the VIDEO-OUT signal on the oscilloscope screen and rewrite the
data of address 1FD to get an amplitude of 660mVp-p as shown above.
660mVp-p
Measuring instrument None
Subject Anything
Tape —
Test point None
Adjustment address 1FF
Adjustment level
01
5-2-2-5.
•
Carrier balance , AF noise level adjustment
1) Preparation : write FF to address 19C, 19D, 19E, 19F, 1A0, 1A1.
2) Write the data 01 to the address 1FF.
The following adjustments are automatically
carried on ;
1
Carrier balance adjustment
2
AF noise level adjustment
at AGC Gain Min , AGC Gain Max and Gain up.
Subject None
Tape —
Test point VIDEO OUT (Terminated in 75
Ω
)
Adjustment address 1F9
Adjustment level
300mVp-p
Measuring instrument
5-2-2-6.
•
Burst gain adjustment
Oscilloscope
300mVp-p
1) Measure the burst signal level on the oscilloscope. Using the address 1F9, adjust the burst amplitude to 300mVp-p.
5-2-2-7.
•
White balance adjustment
Measuring instrument
Subject
Gray scale
Tape —
Test point VIDEO OUT (Terminated in 75
Ω
)
Adjustment address R-GAIN 010, B-GAIN 012
Adjustment level
R-Gain 19 %
±
3 %
B-Gain -11 %
±
3 %
Vector scope
1) Adjust the spot to the center of vector scope (R-Y : 19%, B-Y : -11%) using address 010 and 012.
Center point
Spot
R-Y
B-Y