6
(272,278).
f) Fix G OFFSET, adjust R OFFSET, B OFFSET and let the color coordinate of the third scale be
(272,278).
g) When adjusting, please keep the color temperature of high light to be X=272±5, Y=278±5 and
the low light to be X=272±8, Y=278±8.
h) Move the cursor to “COPY ALL” and copy the data to the other channels.
i) Check if the color temperatures of NORMAL and WARM are up to the mustard (low light
acceptable error:±8, high light acceptable error:±5), if not, adjust R-GAIN/ B-GAIN/ R-OFF/
B-OFF.
j) Check the color temperature of COOL, NORMAL and WARM of other channels (ANALOGTV,
DVB-T, Video, YPbPr,VGA), if they are not up to the mustard then adjust and store the data
separately.
k) The reference of adjustment rule is below:
B gun: lower B gun to increase X, Y coordinate data, while raise B gun to decrease the data.
R gun: raise R gun to increase X coordinate data, while lower R gun to decrease the data; (R
gun adjustment will affect X and Lv slightly).
G gun: raise G gun to increase Y coordinate data, while lower G gun to decrease the data; (G
gun adjustment will affect Y and Lv greatly).
5. Performance check
5.1 TV function
Connect RF to the center signal source, enter Channel menu
→
auto search, check if there are
channels be skipped, check if the picture and speaker are normal.
5.2 AV/S-Video terminals
Input AV/S-Video signal, check if the picture and sound are normal.
5.3 YPbPr/YcbCr terminal
Input YUV signal (VG848 signal generator), separately input the YUV signals listed in table4 and
check if the display and sound are normal at any situation (power on, channel switch and format
convert, etc.)
Table4 YUV signal format
No. Resolution
H-frequecny
(kHz)
V-frequecny
(kHz)
Point clock pulse
frequecny (MHz)
Note
1 720X480 15.734
60
13.5
480i(NTSC)
2 720X480
15.734
59.94
13.5
480i(NTSC)
3 720X576
15.625
50
13.5
576i(PAL)
4 720X480 31.469
60
27
480p(NTSC
PROG)
5 720X480
31.469
59.94
27
480p(NTSC
PROG)
6 720X576
31.25
50
27
576p(PAL
PROG)
7 1280X720
45
59.94
74.18
720p(59p)
8 1280X720
45
60
74.25
720p(60p)
9 1280X720 37.5
50
74.25
720p(50p)
10 1920X1080 33.75
59.94
74.25
1080i(59i)
11 1920X1080 33.75
60
74.25
1080i(60i)
12 1920X1080 28.125
50
74.25
1080i(50i)
Summary of Contents for LCD-47XR8DA
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