L. Select the 6500 color temprature , brightness cut off, repeat step E, make x=313
±
10, y=329
±
10, Y=298
±
10
cd/m
2
,then save it into 6500K color temprature .
M. Select the 9300 color temprature , brightness cut off, repeat step E, make x=283
±
10, y=297
±
10, Y=300
±
15
cd/m
2
,then save it into 9300K color temprature.
N. Set SB value for 2
O. Select the 5000 color temprature ,brightness cut off,repeat step E, make x=346
±
10, y=359
±
10, Y=155
±
5
cd/m
2
,then save it into 5000K color temprature .
P. Select the 6500 color temprature , brightness cut off, repeat step E, make x=313
±
10, y=329
±
10, Y=155
±
5
cd/m
2
,then save it into 6500K color temprature .
Q. Select the 9300 color temprature , brightness cut off, repeat step E, make x=283
±
10, y=297
±
10, Y=155
±
5
cd/m
2
,then save it into 9300K color temprature.
R. Select the
white screen appears,brightness cut off,
contrast ratio MAX, adjust VR701, make Y=102
±
5 cd/m
2
.
S. After modulation, it’s necessary to check if the white balance accords with the normal specification. If not, which
needs reset.
REMARK: 1.Adjust white Balance , fix to G Bias;
2. white Balance test spec.
4. Focus Adjustment:
A. under 1024×768 Fv: 85Hz 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.then fix the Focus VR, G2 VR .
5. Purity Adjustment
A. Be sure that the display is not being exposed to any external magnetic fields.
B. Ensure that the spacing between the Purity, Convergence, Magnet, (PCM), assembly and the CRT stem is 29mm.
(See below diagram)
C. Produce a complete, red pattern on the display. Adjust the purity magnet rings on the PCM assembly to obtain a
complete field of the color red. This is done by moving the two tabs in such a manner that they advance in an
opposite direction but at the same time to obtain the same angle between the two tabs, which should be
approximately 180'.
D. Check the complete blue and complete green patterns to observe their respective color purity. Make minor
adjustments if needed.
ViewSonic Corporation
Confidential - Do Not Copy
E96f+SB-1
16
Содержание E96f+SB-1
Страница 44: ...9 Block Diagram ViewSonic Corporation Confidential Do Not Copy E96f SB 1 41 ...
Страница 46: ...SAA4849 ViewSonic Corporation Confidential Do Not Copy E96f SB 1 43 ...
Страница 48: ...IC801 LM1276EE ViewSonic Corporation Confidential Do Not Copy E96f SB 1 45 ...
Страница 49: ...IC801 LM1246DKA ViewSonic Corporation Confidential Do Not Copy E96f SB 1 46 ...
Страница 50: ...ViewSonic Corporation Confidential Do Not Copy E96f SB 1 47 ...
Страница 57: ...11 PCB Layout 11 1 MAIN PCB LAYOUT ViewSonic Corporation Confidential Do Not Copy E96f SB 1 54 ...
Страница 58: ...11 2 CRT BOARD LAYOUT ViewSonic Corporation Confidential Do Not Copy E96f SB 1 55 ...