Adjustment - Sony SDM-S75A Service Manual

ADJUSTMENT

1. Procedures of how to go to service mode.
1) Enter the service mode of this unit by turning on
the power while pressing and holding the "↓" key
simultaneously.
2) Press "MENU" key----MAINTAIN.
3) Press "OK" key to enter the service menu.
4) Select the desired function.
5) Press the "MENU" key to exit OSD.
6) Turn off the power and then turn on it again. The
monitor then enters the normal mode.
To enter the service again, repeat the procedure
described above.
Note
W/B readjustment is required after the panel,
board and microcomputer are replaced. However,
be sure to perform aging for more than 30 minutes
for RGB reset before W/B adjustment.
2. Setup
1) Prepare timing and pattern data for a signal
generator according
specifications.
2) Connect a monitor video cable to the signal
generator.
3) Put Color Analyzer (ex. CA-110) 50cm 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 Color Analyzer (ex. CA-110)
in a light-shielded room.
5) Set up [SERVICE MODE] of the monitor.
to the Sony timing
3. Operation
Data is manually set to improve the productivity. The
brightness, contrast, and backlight are set to 50, 70
and 100 respectively. After that, the default data of
the color temperature to be adjusted is set.
4. Warm up time
Warm up for 30 minutes before performing any
adjustment.
5. Adjustment for White Balance
a. Display SMPTE at SXGA/60Hz (Input level 0.73V).
b. Set up [SERVICE MODE].
c. Click "INITIAL EEPROM" and again setup Service
Mode.
d. Click "WHITE BALANCE" and then select "AUTO".
6. 9300K color adjustment
a. Select "9300K" in "COLOR TEMP" and enter.
b. Use a 35% (89Gray) IRE white video field in the
primary mode.
c. Adjust "SUB CONTRAST" to secure the color
temperature.
d. Press "MENU" key to exit adjust mode.
7. 6500K color adjustment
a. Select "6500K" in "COLOR TEMP" and enter.
b. Repeat the adjustment procedure as steps b to d
at 9300K.
.
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SDM-S75A,D,E,F/ SDM-S95A,D,E,F (E)