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ViewSonic Corporation
Confidential - Do Not Copy
VA712-2_ VA712b-2
26
5. Adjustment Procedure
5.1 ADJUSTMENT CONDITIONS AND PRECAUTIONS
1. Approximately 30 minutes should be allowed for warm up before proceeding.
2. Adjustments should be undertaken only on those necessary elements since most of them
have been carefully preset at the factory.
3. ESD protection is needed before adjustment.
5.2 MAIN ADJUSTMENTS
NO. FUNCTIONS DESIGNATION
1. White Balance Function Key
2. Geometry Function Key
5.3 ALIGNMENT PROCEDURES
Approximately 30 minutes should be allowed for warm up before proceeding
White-Balance adjustment.
1. Adjust of White Balance
1.)How to do the Chroma-7120 MEM .Channel setting
A
、
Reference to Chroma 7120 user guide
B
、
Use “
SC
” key and “
NEXT
” key to modify xyY value and use “
ID
” key to modify the TEXT
description Following is the procedure to do white-balance adjust
2.)Setting the color temp. You want
A
、
MEM.CHANNEL9 ( 9300 color):
9300 color temp. parameter is Wx = 0.283
±
0.02;Wy = 0.298
±
0.02;
Y > 190 cd/m
2 ,
B
、
MEM.CHANNEL10 ( 6500 color):
6500 color temp. parameter is Wx = 0.313
±
0.02;Wy = 0.329
±
0.02;
Y > 260 cd/m
2,
C
、
MEM.CHANNEL 11 ( 5400 color):
5400 color temp. parameter is Wx = 0.335
±
0.02;Wy = 0.350
±
0.02;
Y > 210 cd/m
2,
D
、
MEM.CHANNEL 12 ( 5000 color):
5000 color temp. parameter is Wx = 0.346
±
0.02;Wy = 0.359
±
0.02;
Y > 210 cd/m
2
Содержание VA712-2
Страница 11: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 8 3 Front Panel Function Control Description...
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Страница 43: ...Sep2 Inpute the S N and execute Enter ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 40...
Страница 44: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 41...
Страница 45: ...Sep3 Key the Enter and write the data ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 42...
Страница 50: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 47 Picture 13 Picture 14 Picture 15...
Страница 52: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 49 6 Troubleshooting Flow Chart...
Страница 59: ...8 Exploded Diagram and Exploded Parts List ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 56...
Страница 63: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 60 9 Block Diagram...
Страница 74: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 71 11 5 POWER PCB TOP VIEW...
Страница 75: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 72 11 6 POWER PCB BUTTON VIEW...
Страница 76: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 73 11 7 AUDIO PCB TOP VIEW BUTTON VIEW...