ViewSonic E70F Service Manual - Page 8

h < 1mm, 230mm, 310mm - drivers

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3.4.3 TRAPEZOID AND PARALLEOGRAM DISTROTION TRAPEZOID / PARALLEOGRAM < 1.5mm. 310mm 1.5m m 230mm 1.5m m 3.4.4 ROTATE ADJUSTMENT 1.5m m 1.5m m 230mm h < 1mm 310mm 4. VIDEO ALIGNMENT / FUNCTION MEMORY RECALL 4.1 INPUT 1024x768 69KHZ FULL BLACK PATTERNS. 4.2 SET CONTRAST 0%, BRIGTHNESS 100%, RGB CUT OFF 0%, RGB DRIVER 50%, TURN THE G2 (SCREEN) KNOB TO OBTAIN RASTER LIGHT O/P ABOUT 0.25FL. 4.3 BASE ON x, y READING, FIX THE STRONG GUN CUT OFF TO 130, THEN ADJUST THE OTHER TWO GUN AND SCREEN KNOB TO MEET FOLLOWING CHROMATICALLY 9300OK Æx =0.283 + 0.003, y =0.297 + 0.003, Y = 0.5 + 0.2FL, STORE THE ADJUSTMENT OF 9300oK, THEN BASE ON x, y READING, FIX THE STRONG GUN AND G2, ADJUST THE OTHER GUN TO MEET FOLLOWING CHROMATICALLY SPEC 6500OK Æ x = 0.313+ 0.003, y = 0.329 + 0.003, Y = DON'T CARE 5000OK Æ x = 0.346+ 0.003, y = 0.359 + 0.003, Y = DON'T CARE 4.4 ADJUST BRIGHTNESS TO 50%, CONTRAST 100% 4.5 APPLY 70mm x 70mm GREEN WINDOW PATTERN, ADJUST G-DRIVER TO OBTAIN GREEN WINDOW PATTERN LIGHT O/P ABOUT 30FL (9300OK) APPLY WHITE WINDOW PATTERN, ADJUST R-DRIVER, B-DRIVER TO MEET FOLOWING CHROMATICALLY SPEC. 9300OK Æ x = 0.283 + 0.003, y = 0.297 + 0.003, Y = 45+ 2FL. For TEXT/SPREADSHEET mode 9300OK Æ x = 0.283 + 0.003, y = 0.297 + 0.003, Y = 85+ 3FL. For GRAPHIC/GAME mode 9300OK Æ x = 0.283 + 0.003, y = 0.297 + 0.003, Y = 150+ 4FL. For VIDEO/MOVIE/DVD mode 4.6 APPLY 70mm x 70mm GREEN WINDOW PATTERN, ADJUST G-DRIVER TO OBTAIN GREEN WINDOW PATTERN LIGHT O/P ABOUT 30FL (6500OK) 4.7 APPLY WHITE WINDOW PATTERN, ADJUST R-DRIVER, B-DRIVER TO MEET FOLLOWING CHROMATICALLY SPEC. 6500OK Æ x = 0.313 + 0.003, y = 0.329 + 0.003, Y = 45+ 2FL For TEXT/SPREADSHEET mode 6500OK Æ x = 0.313 + 0.003, y = 0.329 + 0.003, Y = 85+ 3FL For GRAPHICS/GAME mode 6500OK Æ x = 0.313 + 0.003, y = 0.329 + 0.003, Y = 130 + 4FL For VIDEO/MOVIE/DVD mode 4.8 APPLY 70mm x 70mm GREEN WINDOW PATTERN , ADJUST G-DRIVER TO OBTAIN GREEN WINDOW PATTERN LIGHT O/P ABOUT 30FL (5000OK) 4.9 APPLY WHITE WINDOW PATTERN, ADJUST R-DRIVER,B-DRIVER TO MEET FOLLOWING CHROMTICALLY SPEC 5000OK Æ x = 0.346 + 0.003, y = 0.359 + 0.003, Y = 45+ 2FL For TEXT/SPREADSHEET mode 5000OK Æ x = 0.346 + 0.003, y = 0.359 + 0.003, Y = 85+ 3FL For GRAPHICS/GAME mode 5000OK Æ x = 0.346 + 0.003, y = 0.359 + 0.003, Y = 130+ 4FL For VIDEO/MOVIE/DVD mode ViewSonic Corporation Confidential - Do Not Copy E70f+SB-3 5

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3.4.3 TRAPEZOID AND PARALLEOGRAM DISTROTION TRAPEZOID / PARALLEOGRAM <
1.5mm.
3.4.4 ROTATE ADJUSTMENT
4.
VIDEO ALIGNMENT / FUNCTION MEMORY RECALL
4.1 INPUT 1024x768 69KHZ FULL BLACK PATTERNS.
4.2 SET CONTRAST 0%, BRIGTHNESS 100%, RGB CUT OFF 0%, RGB DRIVER 50%, TURN THE G2 (SCREEN) KNOB
TO OBTAIN RASTER LIGHT O/P ABOUT 0.25FL.
4.3 BASE ON x, y READING, FIX THE STRONG GUN CUT OFF TO 130, THEN ADJUST THE OTHER TWO GUN AND
SCREEN KNOB TO MEET FOLLOWING CHROMATICALLY 9300
O
K
x =0.283 +
0.003, y =0.297 +
0.003, Y = 0.5 +
0.2FL, STORE THE ADJUSTMENT OF 9300
o
K, THEN BASE ON x, y READING, FIX THE STRONG GUN AND G2,
ADJUST THE OTHER GUN TO MEET FOLLOWING CHROMATICALLY SPEC 6500
O
K
x = 0.313+
0.003, y = 0.329
+
0.003, Y = DON’T CARE
5000
O
K
x = 0.346+
0.003, y = 0.359 +
0.003, Y = DON’T CARE
4.4 ADJUST BRIGHTNESS TO 50%, CONTRAST 100%
4.5 APPLY 70mm x 70mm GREEN WINDOW PATTERN, ADJUST G-DRIVER TO OBTAIN GREEN WINDOW PATTERN
LIGHT O/P ABOUT 30FL (9300OK)
APPLY WHITE WINDOW PATTERN, ADJUST R-DRIVER, B-DRIVER TO MEET FOLOWING CHROMATICALLY SPEC.
1.5mm
1.5mm
1.5mm
1.5mm
230mm
310mm
h < 1mm
230mm
310mm
9300
O
K
x = 0.283 +
0.003, y = 0.297 +
0.003, Y = 45+
2FL. For TEXT/SPREADSHEET mode
9300
O
K
x = 0.283 +
0.003, y = 0.297 +
0.003, Y = 85+
3FL. For GRAPHIC/GAME mode
9300
O
K
x = 0.283 +
0.003, y = 0.297 +
0.003, Y = 150+
4FL. For
VIDEO/MOVIE/DVD mode
4.6
APPLY 70mm x 70mm GREEN WINDOW PATTERN, ADJUST G-DRIVER TO OBTAIN GREEN WINDOW PATTERN
LIGHT O/P ABOUT 30FL (6500OK)
4.7
APPLY WHITE WINDOW PATTERN, ADJUST R-DRIVER, B-DRIVER TO MEET FOLLOWING CHROMATICALLY
SPEC.
6500
O
K
x = 0.313 +
0.003, y = 0.329 +
0.003, Y = 45+
2FL For TEXT/SPREADSHEET mode
6500
O
K
x = 0.313 +
0.003, y = 0.329 +
0.003, Y = 85+
3FL For GRAPHICS/GAME mode
6500
O
K
x = 0.313 +
0.003, y = 0.329 +
0.003, Y = 130 +
4FL For VIDEO/MOVIE/DVD mode
4.8
APPLY 70mm x 70mm GREEN WINDOW PATTERN , ADJUST G-DRIVER TO OBTAIN GREEN WINDOW
PATTERN LIGHT O/P ABOUT 30FL (5000OK)
4.9
APPLY WHITE WINDOW PATTERN, ADJUST R-DRIVER,B-DRIVER TO MEET FOLLOWING
CHROMTICALLY SPEC
5000
O
K
x = 0.346 +
0.003, y = 0.359 +
0.003, Y = 45+
2FL For TEXT/SPREADSHEET mode
5000
O
K
x = 0.346 +
0.003, y = 0.359 +
0.003, Y = 85+
3FL For GRAPHICS/GAME mode
5000
O
K
x = 0.346 +
0.003, y = 0.359 +
0.003, Y = 130+
4FL For VIDEO/MOVIE/DVD mode
5
ViewSonic Corporation
Co
nfidential - Do Not Copy
70f+SB-3
E