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J. Power Adjustment
J-1. Adjust the VR901, have the +198Vs be 198 ± 0.2v ( the voltage of the C949 ) in timing
1.
J-2. Check below items the voltage
C944 : 16 ± 1v
C947 : 75 ± 2v
C946 : -12.5 ± 1.5v
C940 : 9.8 ± 1v
C941 : 8.0 ± 1.0v
J-3. Short-circuit protection function check
1) the power source is 230vac input
2) when short the C949, all output voltage should be shut down and unlatch
3) when recover normal condition, all output voltage should recover automatically.
J-4. Side Pincushion, Tilt and Geometry Distortion Adjustment
1) Input timing 1, adjust the display be normal position and size.
2) Adjust front control key to get the best pincushion distortion and tilt.
J-5. Preset Timing Adjustment
1) Input each PRESET MODE timing, and use front control key adjust the display to the normal
position and size, and wait for 5 seconds.
2) Switch to next timing repeat 1 process. Until every PRESET MODE timing have been
adjusted.
J-6. Power Saving Function Check
1) The power source is 230Vac input
2) When remove the sync signal, the monitor should enter suspend mode and then off mode.
3) When power saving, the power consumption of monitor should be less than: suspend mode
8w off mode
4) The monitor recovering time from suspend mode or off mode to on mode should be less than
5 seconds.
TABLE 1
TIMING
1.
2.
3.
4.
5.
6.
MODE
80K
37.8K/60HZ
80K
80K
80K
80K
4
PATTERN
51 CROSSHATCH
51 CROSSHATCH
Full-white
5×2"squares
"me"
5×2"squares
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