Toshiba TLP541E Service Manual page 16

Adjust Items Input Signal
7. White balance All white 50%
adjustment
10-stairstep
video signal
16-stairstep
RGB signal
1. Lay the unit in a dark room and input all white 50% signal, video 10-stairstep signal or RGB 16-stairstep
2. Affix the standard white board WS-2 on the top center of screen, or suspend it adjacent to the screen
3. Set the color luminance meter (BM-5) with more than 30 min. heat-run operation performed, so that color
4. Measure the color temperature by using the BM-5 and adjust with W03 and W05 in the adjustment menu
Adjustment standard
5. Input all white 100% signal.
6. Perform the steps 1 to 4 for the video input.
7. Enter 16 steps at RGB input and 10 steps at Video input. Then check the color temperature on black
8. White level adjust-
ment at RGB input signal with
center 98%
and periph-
eral 100%.
Test
Equip- Test Point
ment
Color Shown
signal lumi- below
nance
meter
(BM-5)
signal.
from above.
temperature on the WS-2 can be measured.
to obtain the value within the range of X = 0.285 ± 0.01 and Y = 0.310 ± 0.01.
a. Adjust Y by using in W05 mode.
b. Adjust X by using in W03 mode.
Color temperature: 8500
duv...less than 0.005
Measure the luminance and the color temperature and record them.
side and adjust W0C and W0E if required. (Adjustment range should be within ±3 steps.)
Window –––– ––––
Table 1-4-3
Adjust
Adjust Value
mode
W03 • Shown below.
W04
W05
W03 • Adjust W03, W04
W04 and W05 in the
W05 same way
(modifying the
same data
amount) so that
98% white
appears a little.
1-14
Note