Sony SDM-X82 Service Manual page 16

4. Analog RGB white balance adjustment
(1) Feed the signal listed below to INPUT2: HD15, and then select INPUT2: HD15.
Then execute RGB RESET in the service mode menu.
Signal timing
VESA 1280 * 1024 / 60Hz
(2) Feed the signal listed below to INPUT2: HD15.
Signal timing
VESA 1280 * 1024 / 60Hz
(3) Select COLOR TEMP → 9300K in the service mode menu, and set the data
listed below as initial data for adjustment.
SUB-BRIGHTNESS
R G B
30 30 30
(4) Adjust SUB-BRIGHTNESS: R, G, and B. Specifications are listed below.
y
x
0.283 ± 0.003 0.298 ± 0.003
(5) Select COLOR TEMP → 6500K in the service mode menu, and set the data
listed below as initial data for adjustment.
SUB-BRIGHTNESS
R G B
30 30
30
Pattern Input level
Gray scale 0.73 Vp-p
Pattern Pattern
All gray 30 IRE (0.21 Vp-p)
SUB-CONTRAST
R G B
141 141 141
Brightness (cd/m 2 )
14 ± 0.7
SUB-CONTRAST
R G B
141 141 141
(6) Adjust the SUB-BRIGHTNESS: R, G, and B.
Specifications are listed below.
x
0.313 ± 0.003 0.329 ± 0.003
(7) After adjusting (4) and (6), write down the value of SUB-CONTRAST
and SUB-BRIGHTNESS.
(8) Feed the signal listed below to INPUT1: HD15, and then select
INPUT1: HD15. Select COLOR TEMP → 9300K then 6500K in the service
mode menu, and enter the value written down in step (7) respectively.
5. Digital RGB white balance adjustment
(1) Feed the signal listed below to INPUT1: DVI-D.
Signal timing
VESA 1280 * 1024 / 60Hz
(2) Select COLOR TEMP → 9300K in the service mode menu, and set the data
listed below as initial data for adjustment.
SUB-BRIGHTNESS
R G
B
40 40
40
(3) Adjust the SUB-BRIGHTNESS: R, G, and B. Specifications are listed below.
x
0.283 ± 0.003 0.298 ± 0.003
Brightness (cd/m )
y 2
14 ± 0.7
Pattern Input level
All gray 30 IRE
SUB-CONTRAST
R G B
130 130 130
Brightness (cd/m )
y 2
14 ± 0.7
SDM-X82(E) 2-4