Sharp XG-PH70X Service Manual page 36

XG-PH70X/XG-PH70X-N (1st. Edition)
No. Adjusting point
6 Adjustment of 1. Feed the color difference signal
component Cr/
Cb offset (1) : Y 0% brightness, Cb and Cr 0%
2. Select the following group and
7 Adjustment of 1. Feed the color difference signal
component
brightness : Y 0% brightness, Cb and Cr 0%
2. Select the following group and
8 Adjustment of 1. Feed the color difference signal
component Cr/
Cb offset (2) : Y 0% brightness, Cb and Cr 0%
2. Select the following group and
9 Adjustment of 1. Feed the 50% gray pattern signal
RGB white bal-
ance 2. Select the following group and
10 Adjustment of 1. Feed the 50% gray pattern signal
sRGB white bal-
ance 2. Select the following group and
11 adjustment of 1. Feed the 50% gray pattern signal
video white bal-
ance 2. Select the following group and
12 Adjustment of 1. Feed the 50% gray pattern signal
DTV white bal-
ance
2. Select the following group and
13 Factory settings 1. Select the following group and
for reference / setting
OSD language
S3 English
S4 English
S5 Japanese
Adjusting conditions
(480i) to INPUT1
white patterns.
subject.
Group : COMPO
Subject : COMPO-AUTO
(480i) to INPUT1
white patterns.
subject.
Group : COMPO
Subject : G-BRIGHT
(480i) to INPUT1
white patterns.
subject.
Group : COMPO
Subject : CR-OFFSET
(XGA, 60 Hz) to INPUT1.
subject.
Group : DLP
Subjects : R1-GAIN (Red)
B1-GAIN (Blue)
(XGA, 60 Hz) to INPUT1
subject.
Group : DLP
Subjects : S-G1-GAIN (Green)
S-B1-GAIN (Blue)
(NTSC, burst signal) to INPUT4.
subject.
Group : DLPV
Subjects : V-R1-GAIN (Red)
V-B1-GAIN (Blue)
(480i, color difference signal) to
INPUT1.
subject.
Group : DLPV
Subjects : C-R1-GAIN (Red)
C-B1-GAIN (Blue)
subject.
Group : SSS
Subject : S4 (North America)
S3 (Europe/Asia/Australia)
S5 (Japan)
Video-set up level
0IRE
7.5IRE
0IRE
Adjusting procedure
1. After signal input, select COMPO-AUTO for automatic adjustment.
1. Make adjustment so that some bits should be missing in the picture.
* refer to the following photo image
1. Reduce the CR-OFFSET value by 2 points.
1. Adjust R1-GAIN and B1-GAIN so that x-value should be 290 ±3 and y-
value 310 ± 3.
1. Adjust S-G1-GAIN and S-B1-GAIN so that x-value should be 313 ±5 and y-
value 329 ± 5.
1. Adjust V-R1-GAIN and V-B1-GAIN so that x-value should be 290 ± 3 and y-
value should be 310 ± 3.
1. Adjust C-R1-GAIN and C-B1-GAIN so that x-value should be 290 ± 3 and y-
value should be 310 ± 3.
1. Make the following settings.
PH70XU : S4 (to north America)
PH70X : S5 (to Japan)
Other : S3 (to Europe/Asia/Australia)
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