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7 Measurements and Adjustments
7.1.
Video Signal Level Adjustment
Instrument Name
1. Remote controller
2. RF signal
3. SG
1. Receive studio color bar by RF signal input.
(Viewing mode: standard, LCD AI: OFF, Back Light: +30 )
2. Enter into Main adjustment in the plant adjustment mode, push for one second "8" on the remote controller and make automatic
adjustment of video signal level.
7.2.
LCD GAMMA Adjustment
Instrument Name
1. Remote controller
2. LCD WB meter (Minolta CS-1000 equivalent)
3. Communication jig
4. Computer for external control
· After 30 minutes aging complete white balance adjustment.
1. Enter into WB adjustment in the plant adjustment mode and measure the WHITE brightness data to check that it is higher than
2
300 cd /m
.
(Viewing mode: standard, LCD AI: OFF, Back Light: +30 )
(When it is below 300 cd /m
2. Measure white brightness data and chromaticity coordinate, decide "Standard color 1" and "Standard color 2" at adjustment
peak.
3. Set up objective of coordinate, select two color R-GAIN or G-GAIN or B-GAIN but no use standard color (=0xff), display white
color. When adjustment is not required normal, select two color R-GAIN or G-GAIN or B-GAIN but no use standard color (=0xff).
<< objective of coordinate (x0, y0) = (0.277 ± 0.002, 0.279 ± 0.002) >>
Standard color 1/2
x direction
y direction
· When turn up R-GAIN and G-GAIN chromaticity coordinate get bigger, When turn up B-GAIN chromaticity coordinate get
smaller.
· When adjust for remote control select R-GAIN, G-GAIN and B-GAIN by pressing "3" and "4",and change for "volume +" and
"volume -".
· Adjust preferentially [1] ,converge simply.
4. Set up objective of coordinate, select R-CENT and B-CENT, set standard color green (=0x80), display gray color.
Standard color
x direction
y direction
· When adjust for remote control select R-GAIN, G-GAIN and B-GAIN by pressing "3" and "4", and change for "volume +" and
"volume -".
5. Write the values converge objective of coordinate above in the gamma data part in EEPROM.
· When adjust for remote control, push for one second "8" on the remote controller with R-GAIN, G-GAIN and B-GAIN. (OSD
is flash red on upper left of display.)
6. Check that the chromaticity coordinate, at white and gray, are within the values given below.
x= 0.277 ± 0.003
y= 0.279 ± 0.003
Connect to
2
, make re-measurement in 30 minutes after cold-on.)
RED
B-GAIN [1]
G-GAIN [2]
GREEN
R-GAIN
B-GAIN
Connect to
GREEN
R-GAIN [2]
B-GAIN [1]
Adjustment direction
When turn up chromaticity coordinate get bigger.
When turn up chromaticity coordinate get smaller.
13
TC-20LA5 / TC-20LE5
Remarks
Remarks
BLUE
R-GAIN [1]
G-GAIN [2]
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