Functional Alignment (2) - Sony SDM-S71 Service Manual

2-2. FUNCTIONAL ALIGNMENT (2)

This section describes the functional adjustment
procedure (using a color meter) of this unit.
Setup
1. Prepare timing and pattern data for a signal generator
according to the Sony timing specifications.
2. Connect a monitor video cable to the signal generator.
3. Put Topcon 50 cm away from the monitor, specify it
vertically in the center of the display, and adjust
the focus to the optimum level using an eyepiece.
4. Put the monitor and Topcon in a light-shielded room.
5. Set up [SERVICE MODE] of the monitor.
Operation
Data is manually set to improve the productivity.
The brightness and contrast are set to 50 and 70,
respectively. After that, the default data of
the color temperature to be adjusted is set.
Warm up time
Warm up for 30 minutes before performing
any adjustment.
Color Adjustm ent
1. 9300K color adjustment
--Center adjustment--
a. Click "Color Temperature" as " 9300".
b. Use a 40% IRE white video field in the primary
mode.
c. Confirm that the "backlight" register data is 0
(100%).
d. Click "Refresh".
Refer to Table 1 in 2-4 for the default data of
color adjustment.
e. Adjust "sub_brt_B" to secure the color
temperature.
Refer to Table 2 in 2-4 for specifications.
f. Click "Save this color" for a color save at 9300K.
2. 5000K color adjustment
a. Click "Color Temperature" as "5000".
b. Repeat the adjustment procedure as steps b to f
at 9300K.
3. 6500K color adjustment
a. Click "Color Temperature" as "6500".
b. Repeat the adjustment procedure as steps b to f
at 9300K.
Geometry Adjus tment
1. Adjust "Pitch" to make the screen performance optimum.
2. Adjust "Phase" to make the screen performance optimum.
3. Adjust "H position" to make the screen center horizontal.
4. Adjust "V position" to make the screen center vertical.
5. Repeat steps 1 to 4 to make the picture performance
optimum.
6. Repeat steps 1 to 5 to secure the current timing of the user.
SDM-S71(E) 2-2