Adjustment - Sony SDM-E76A 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 "down" key and the "power"
key simultaneously.
2) Press "MENU" key----MAINTAIN.
3) Press the "Down" or "Up" key to select the icon "S"
and press "OK" key to enter into 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-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.
to the Sony timing
16
5. Adjustment for White Balance
a. Display five white block and black pattern VGA/
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".
e. Prepare timing and full white pattern.
6. 9300K color adjustment
a. Select "9300K" in "COLOR TEMP" and enter.
b. Use a 100% (255Gray) IRE white video field in the
primary (SXGA) 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.
8. SRGB color adjustment
a. Select "SRGB" in "COLOR TEMP" and enter.
b. Adjust "SUB CONTRAST" value to the value of
6500K RGB.
<<Specification of WB adjustment>>
Panel Mode
x (+/-15)
9300K
Hannstar
6500K
sRGB
9300K
AUO 6500K
sRGB
9300K
CPT
6500K
sRGB
9300K
CMO
6500K
sRGB
100IRE
y (+/-15) Y (+40/-30)
280 292
308 326
308 326
277 291
306 324
306 324
279 298
312 317
312 317
280 286
309 323
309 323
SDM-E76A,D / SDM-E96A,D(E)
190
210
180
190
210
180
190
210
180
190
210
180