Sony BRAVIA VPL-VW90ES, Руководство по обслуживанию, Страница: 37 / 168

2-7 (E)
VPL-VW90ES
2-4. IRIS Adjustment
1. Bring the ZOOM position of the lens to the center.
2. Input the XGA 60Hz all white 100 IRE signal in INPUT-A.
3. Set “Other: 01 Iris/Adj” of Device Menu to 1.
4. Set the value of “Other: 02 Iris/Open Reg” to 1023, and check the value of “Other: 04 Iris/Open
Hall”.
5. While decreasing the value of “Other: 02 Iris/Open Reg”, check the value of “Other: 04 Iris/Open
Hall”.
6. When the value of “Other: 04 Iris/Open Hall” reaches the value of [step 4 value
_
25], check the value
of “Other: 02 Iris/Open Reg”.
7. Save the value of “Other: 02 Iris/Open Reg” of step 6 in a memory.
8. Measure the luminance level at this time. [OFF Luminance]
9. Set the value of “Other: 03 Iris/Close Reg” equal to that of “Other: 02 Iris/Open Reg” of step 6.
10. While decreasing the value of “Other: 03 Iris/Close Reg”, check the luminance level. Check the value
of “Other: 03 Iris/Close Reg” when the luminance level reaches 25% of [OFF Luminance].
11. Save the values of “Other: 03 Iris/Close Reg” of step 10 in a memory.
12. Return the value of “Other: 01 Iris/Adj” to 0, and perform Save to Memory.
2-5. Panel Driver Gain B Adjustment
Preparation
Make the following settings.
Contrast: Max
Brightness: 50
Color: 50
Hue: 50
Color Space: Wide3
Adjustment
1. Input the XGA 60Hz Blue Only 100 IRE signal in the INPUT-A terminal.
2. Set the Panel Driver: 03 P. Drv/Gain B value to “85”.
3. While measuring luminance at the center of the screen, decrease the 03 P. Drv/Gain B value. Take
note of the 03 P. Drv/Gain B value when luminance reaches maximum.
4. Save the 03 P. Drv/Gain B value of step 3 in a mem
ory.
5. Perform Save to Memory.