Adjustment Procedure - ViewSonic VP950b Service Manual

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
1. White Balance
2. Geometry
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 CA-210 MEM .Channel setting
A、Reference to CA-210 user guide
B、 Use " MODE" key to modify x、 y、 Lv value and use "MEMORY CH" key to modify the
TEXT description Following is the procedure to do white-balance adjust
2.) Setting the color temp. You want
A、MEM.CHANNEL1 ( 9300 color):
9300 color temp. parameter is x = 0.283 ±0.003; y = 0.298 ±0.003;
Lv ≥ 143 cd/m
B、MEM.CHANNEL 1 ( 7500 color):
7500 color temp. parameter is x = 0.299±0.003; y = 0.316 ±0.003;
Lv ≥ 165cd/m
C、MEM.CHANNEL1 ( 6500 color):
6500 color temp. parameter is x = 0.313±0.003; y = 0.329 ±0.003;
Lv ≥ 187cd/m
D、MEM.CHANNEL 1 ( 5000 color):
5000 color temp. parameter is x = 0.346±0.003; y = 0.359 ±0.003;
Lv ≥ 165cd/m
E、MEM.CHANNEL1 ( SRGB color):
SRGB color temp. parameter is x =0.313±0.003; y=0.329±0.003; Lv≥187cd/m
3.) Into factory mode of VP950:
First Power off, then press Switch 1 button along with press Power button will activate
the factory mode, then MCU will do AUTO LEVEL automatically. Meanwhile press
MENU the OSD screen will located at LEFT TOP OF PANEL.
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