Sony SUHS1 Manuel D’Utilisation
3-7
VPL-HS1
3-5. White Balance Adjustment on
Servicing
3-5-1. Signal Level Adjustment
1.
Input the 80 IRE FLAT FIELD signal to INPUT-A.
(COMPONENT)
2.
Warm up the unit at least 10 minutes.
3.
Enter the Factory Mode (Please refer to 3-1-3)
Press the keys in the following order.
“ENTER”
“ENTER”
→
“ENTER”
→
“
N”
→
“ENTER”
The message “Do you wish to enter into the
FACTORY MODE? Yes:
FACTORY MODE? Yes:
↑
No:
↓
” will be
displayed.
Select “Yes:
Select “Yes:
↑
”.
n
. When leaving the FACTORY MODE, perform
. When leaving the FACTORY MODE, perform
item 3.
“Do you wish to return to the USER MODE?
“Do you wish to return to the USER MODE?
Yes:
↑
No:
↓
” will be displayed. Select
“Yes:
↑
”.
. Cannot enter FACTORY MODE by MS
channel.
4.
Set the COLOR TEMP to MID mode.
5.
Set the INPUT signal to the 80 IRE FLAT FIELD
GREEN-only mode.
6.
Change the CONTRAST: MAX to BRIGHT: MAX.
7.
Measure the brightness (Ygmax).
8.
Change CONTRAST: 80 to BRIGHT: 50.
9.
Enter the P. DRV on the MENU screen by the DEV.
ADJ.
ADJ.
10. Adjust the brightness to (0.65
×
Ygmax) by the
VAMP/CONT (E) of P DRV.
11. Change the INPUT signal to 80 IRE FLAT FIELD
white signal.
12. Change the CONTRAST: MAX to BRIGHT: MAX.
13. Measure the chromaticity (xmax, ymax)
13. Measure the chromaticity (xmax, ymax)
14. Change CONTRAST: 80 to BRIGHT: 50.
15. Adjust the chromaticity to (xmax
15. Adjust the chromaticity to (xmax
± 0.002, ymax ±
0.004) by the VAMP/SUB CON R(E) or SUB CON
B (E) of P. DRV.
B (E) of P. DRV.
3-5-2. White Balance Adjustment
nput the 10 STEP signal to INPUT-A, and observe the
chromaticity of each luminance.
chromaticity of each luminance.
When varying the chromaticity of each luminance, perform
the following adjustments.
the following adjustments.
1) MID Mode of INPUT-A
1.
Input the 100 IRE FLAT FIELD signal to INPUT-A
2.
Measure the chromaticity (x, y)
3.
Input the 80 IRE FLAT FIELD signal to INPUT-A.
4.
Adjust the chromaticity (x, y) to the values measured in
step 2, by the GAIN R and B of W/B MID mode.
step 2, by the GAIN R and B of W/B MID mode.
5.
Set the INPUT signal to the 30 IRE.
6.
Adjust the chromaticity (x, y) to the values measured in
step 2, by the BIAS R and B.
7.
Repeat above steps 3. to 6. until the chromaticity
become the following values.
x
x
± 0.002, y ± 0.004 (The x and y are the values
measured in step 2.)
2) HIGH Mode of INPUT-A
1.
Input the 80 IRE FLAT FIELD signal to INPUT-A.
2.
Set the GAIN G to MID mode value at “
_32” with the
HIGH mode of the W/B. And set the GAIN R to MID
mode value at “
mode value at “
_23”.
3.
Set the GAIN R and B that are equal to MID mode
values. (Set the GAIN R and B to the same as MID
values. (Set the GAIN R and B to the same as MID
mode values.)
4.
Set the BIAS R, G and B that are equal to MID mode
values. (Set the BIAS R, G and B to the same as MID
mode values.)
mode values.)
5.
Measure the chromaticity (x, y)
6.
Input the 30 IRE signal to INPUT-A.
7.
Adjust the chromaticity (x, y) to the values measured in
step 2, by the BIAS R and B of W/B HIGH mode.
step 2, by the BIAS R and B of W/B HIGH mode.
8.
Input the 80 IRE signal to INPUT-A.
9.
Adjust the chromaticity (x, y) to the values measured in
step 2, by the GAIN R and B.
10. Repeat above steps 6. to 9. until the chromaticity
become the following values.
x
x
± 0.002, y ± 0.004 (The x and y are the values
measured in step 5.)