Sharp VL-AD260U

33
VL-AD260U
DATA Adjustment
09 Hall offset
0A Iris offset
0B Iris close
6-4-2-1. Checking the power supply voltage
• Measuring terminal:
P-CON 4.9V
P-CON 3.1V
CAM 15V
CAM -8V
MECHA 5.7V
• Measuring instrument: Digital voltmeter
6-4-2-3. Adjustment of Camera signal
• Before starting these adjustment, auto focus adjustment must be finished.
• Set up the camera signal adjustment mode (Write 00 to the address 00)
6-4-2-2. Auto focus adjustment
Measuring instrument None
Subject —
Tape —
Test point None
Adjustment address 01
Adjustment level 09, 0A, 0B
• Basic iris adjustment
1) Set up the auto focus adjustment mode. (Write 01 to the address 00)
2) Write the adjustment data 09, 0A and 0B one after the other to the address 01, the adjustment are as above.
DATA Adjustment
12 Optical wide-end adjustment
06 Wide-end focus ∞ position adjustment
08 Tele-end focus ∞ position adjustment
0D Zoom tracking adjustment
1) Set up the auto focus adjustment mode.
(This is unnecessary after the above basic iris adjustment has been made.)
2) Write the adjustment data 12, 06, 08 and 0D one after the other to the address 01. The adjustments are as above.
Write FF to the address 00 to exit the auto focus adjustment mode.
• Lens adjustment
Measuring instrument None
Subject More than 50 m away
Tape —
Test point None
Adjustment address 01
Adjustment level 12, 06, 08, 0D
700mVp-p
1) Shoot the gray scale in the standard way. Observe the VIDEO-OUT signal on the oscilloscope screen and rewrite the data of
address 02 to get an amplitude of 700mVp-p as shown above.
1. Iris AE adjustment
2. Black balance, AF noise level adjustment
1) Write the data 01 to the address 01.
The following adjustments are automatically
carried on ; 1 Black balance adjustment
2 AF noise level adjustment
at AGC Gain Min , AGC Gain Max and Gain up.
Measuring instrument Oscilloscope
Subject Gray scale
Tape —
Test point VIDEO-OUT
Adjustment address 02
Adjustment level 700mVp-p
Measuring instrument None
Subject Anything
Tape —
Test point None
Adjustment address 01
Adjustment level 01
1) Adjust the spot to the center of vector scope (R-Y : 0%, B-Y : 0%)
using address 10 and 12.
3. White balance adjustment
Center point
Spot
R-Y
B-Y
Measuring instrument Vector scope
Subject Gray scale
Tape —
Test point VIDEO-OUT (Terminated in 75 Ω)
Adjustment address R-W/B 10, B-W/B 12
Adjustment level R-W/B 0 % ± 3 %
B-W/B 0 % ± 3 %