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Toshiba TLP-711U サービスマニュアル
Adjust Items
Input Signal
3-4. White level expand
16-stairstep
4. White level check
SMPTE signal
5. Ghost adjustment
RGB signals
6. Comb adjustment
RGB signals
7. White balance
adjustment
All white 50%
1. Lay the unit in a dark room and input all white 50% signal.
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
4. Measure the color temperature by using the BM-5 and adjust with W03 and W05 in the adjustment
Adjustment standard
5. Input all white 100% signal.
Test
Equip-
Test Point
ment
Oscillo-
TP402 (R)
waveform
scope
TP502 (G)
TP602 (B)
––––
––––
––––
––––
Oscillo-
TP404 (R)
scope
TP504 (G)
TP604 (B)
Color
Shown
signal
lumi-
below
nance
meter
(BM-5)
from above.
color temperature on the WS-2 can be measured.
menu to obtain the value within the range of X=0.270 – 0.280 and Y=0.280 – 0.290.
a. Adjust Y by using
.
W05
b. Adjust X by using
.
W03
X= 0.275 ± 0.005
Y= 0.285 ± 0.005
duv...less than 0.005
Measure the luminance and the color temperature and record them.
Table 1-4-4
Adjust Key
Adjust Value
• Adjust the 16th
W06
stairstep wave-
W07
form for following
W08
values:
7.00 ± 20 mV
• Set it up in the
W03
level that 95%
W04
white level can be
W05
detected.
• If ghost is high,
W19
adjust
About 7.4V
WM6
About 7.4V
WM5
About 7.4V
WM4
• Shown below
W03
W04
W05
1-11
Note
16th stairstep
• Trigger the scope at TP901
(H period).
• Make
–
W03
W05
decrease.
.
W19
• Minimize each flicker.
data