Sony SDM-S76D, Service Manual

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17" LCD Color Monitor SDM-S76D/SDM-S76F
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3.6 Adjustment Of Service OSD
1. Procedures of entering into service mode.
1) Plug the AC cable firstly.
2) Press "down" key and Power key simultaneity
3) Press "MENU" key to enter the service menu.
4) Press the “DOWN” or “UP” key to select the icon “S” and press “OK” key to enter into the service OSD.
5) Press the "MENU" key to exit OSD.
6) Turn off the power and then turn it on 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 to the Sony timing specifications.
2) Connect a monitor video cable to the signal generator.
3) Put Color Analyzer (ex. CA-210) 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-210) in a light-shielded room.
5) Set up [SERVICE MODE] of the monitor.
3. Operation
Data is manually set to improve the productivity. The brightness, contrast, and backlight are set to 50, 90 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 five white block and black block pattern VGA/60Hz(Input level 0.73V).
b. Set up [SERVICE MODE].
c. Click "WHITE BALANCE" and then select "AUTO".
d. Prepare timing and full white pattern.
6. 9300K color adjustment
a. Set up [SERVICE MODE].
b. Select "9300K" in "COLOR TEMP" and enter.
c. Use a 100% IRE white video field in the SXGA mode.
d. Adjust "R ， G ， B " value with 9300K as spec, 9300K:x=250+-25 y=255+-25 Y=20+-20
e. Press "MENU" key to exit adjust mode.
7. 6500K color adjustment
a. Set up [SERVICE MODE].
b. Select "6500K" in "COLOR TEMP" and enter.
c. Use a 100% IRE white video field in the SXGA mode.
d. Adjust "R ， G ， B " value with 6500K as spec, 6500K/ SRGB: x=280+-25 y=295+-25 Y=20+-20
e. Press "MENU" key to exit adjust mode.
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