ViewSonic VX1962wm - 19" LCD Monitor, Service Manual

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Enter into the factory mode:
AC ON the monitor with signal connected, and press “power” button to DC OFF the monitor, then press”1” and
“power” button at the same time to enter factory mode ;
Gain adjustment:
Move cursor to “Factory” and press “2” key.
Move cursor to “ Auto Level” and press “2” key to adjust Gain and Offset automatically;
(notice ： this monitor do auto level must in T144(1280X1024@60Hz) P48(32 Grays))
a. Adjust SRGB (9300
0
K) color-temperature
1. Switch the Chroma-C7120 to RGB-mode (with press “MODE” button)
2. Switch the MEM.channel to Channel 0 (with up or down arrow on Chroma-C7120)
3.The LCD-indicator on Minolta-CA210 will show x = 283 ±12, y = 297±12, Y >180 cd/m
2
b. Adjust Color1 (7500
0
K) color-temperature
4. Switch the Chroma-C7120 to RGB-mode (with press “MODE” button)
5. Switch the MEM.channel to Channel 1 (with up or down arrow on Chroma-C7120)
6. The LCD-indicator on Minolta-CA210 will show x = 299 ±12, y = 315 ±12
，
Y >200cd/m
2
c. Adjust Color2 (6500
0
K) color-temperature
7. Switch the Chroma-C7120 to RGB-mode (with press “MODE” button)
8. Switch the MEM.channel to Channel 2 (with up or down arrow on Chroma-C7120)
9. The LCD-indicator on Minolta-CA210 will show x = 313 ±12, y = 329 ±12 ， Y >240cd/m
2
d. Adjust SRGB (5000
0
K) color-temperature
1. Switch the Chroma-C71200 to RGB-mode (with press “MODE” button)
2. Switch the MEM.channel to Channel 3 (with up or down arrow on Chroma-C7120)
3.The LCD-indicator on Minolta-CA210 will show x = 347 ±12, y = 360 ±12, Y >220 cd/m
2
e. Adjust SRGB (SRGB) color-temperature
1. Switch the Chroma-C7120 to RGB-mode (with press “MODE” button)
2. Switch the MEM.channel to Channel 4 (with up or down arrow on Chroma-C7120)
3.The LCD-indicator on Minolta-CA210 will show x = 313 ±12, y = 329 ±12, Y = 80 ±15 cd/m
2
10. press “1” key to save adjust value and exit .
Turn the POWER-button off to on to quit from factory mode,and reset the monitor.
Max Brightness measurement: >250 cd/
㎡
Test conditions:
a. Switch to the full white pattern, in user mode main menu:
1. Set <Color Settings> Red, Green, and Blue to the max.
2. Set <Brightness> Brightness, Contrast to the max.