ViewSonic P95f+-1 Service Manual page 12

3. White Balance, Luminance adjustment:
A. Bias (Low Luminance) adjustment:
(a) Set mode 6 1024×768 Fh: 68.6KHz full white pattern.
(b) To make the adjustment condition is under the Factory preset window.
Same as step 2-C.
(c) Warm up more than 30 minutes.
(d) Brightness
screen G2 VR to make Y= 0.18cd ± 0.03cd/m
(e) Make the setting value of B-Bias
then adjust FBT screen G2 VR and the R.B.G Bias individual to the color temperature
x= 265 ± 5, y= 290± 5, Y=5.0±0.5cd/m
(f) Select OSD function to the 9300°K and 6500°K function individually, then press the
MENU Key to make the setting data saved in the memory.
B. Gain (High light) adjustment:
(a) Set mode 5 1024×768 Fh: 68.6KHz 1/3 white area..
(b) Brightness set to 50 DAC and set the contrast to max.
(c) Adjust G-Gain
y=297 ± 5, Y=130~135 cd/m
C. Select OSD function to the 9300°K function, then press the MENU Key to make the
setting data saved in the memory.
D. The adjustment of 6500°K white Balance may follow step B ~ C, with the x=313 May
follow step A ~ C , with the x=313 ± 5, y=329 ± 5, Y=130~135 cd/m
E. Select "SB" Function to ON
F. The adjustment of 9300°K(SBQ) white blance may follow B~C with the x=283±10,
y=297±10, Y≥280 cd/m
G. The adjustment of 6500°K(SBQ) white blance may follow B~C with the x=313±10,
y=329±10, Y≥260 cd/m
H. Select "SB" function to OFF and exit factory preset model.
I. Full white luminance:
(a) Set mode 2 640×480 Fh: 31.5KHz full white pattern.
(b) Image Size : H:346±4mm V:260±4mm.
(c) Brightness set to 50 DAC and set the contrast to max.
(d) Adjust VR701 to the luminance at 105±5cd/m
4. Focus Adjustment:
A. Set mode6 1024×768 Fh: 68.6KHz with character full page.
B. Adjust brightness to center and contrast to max.
C. Then adjust focus VR1 to a fine vertical line.
D. Adjust focus VR2 to a fine horizontal line.
E. Repeat step C & D.
5. Purity Adjustment
A. Be sure that the display is not being exposed to any external magnetic fields.
ViewSonic Corporation
set to center. Contrast
, B-Gain , R-Gain
2
.
2
.
2
.
9
set to max, raster pattern, then adjust FBT
2
..
, R-Bias and G-Bias
2
.
, to make color temperature x=283 ± 5,
2
.
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to 20 DAC,
2
.
P95f+/B-1