Christie DHD675-E, Руководство по обслуживанию

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3-6 E Series 675/775 Service Manual
020-000546-04 Rev. 1 (04-2017)
Section 3: Service Setup
Inspection item
• Color hue accuracy.
• Color saturation accuracy.
• Absence of noise, artifact or instability.
Criteria
• Screen appears normal. No lines should appear on the screen.
• Color appears normal (white should appear pure).
• Flashing lines are unacceptable.
• If the screen image appears noisy, press the
M
ENU
key to enter Main Menu , then
select Size & Position > Pixel Phase . Use the
R
IGHT
or
L
EFT
arrow key to adjust phase
.
• RGBW should all appear normal on the screen and be in the R-G-B-W order. If
not, the color wheel index may need adjustment (see 3.6.3 Color Wheel Index
Adjustment ).
• Color levels should be sufficient and normal. (The number of steps in the left and
right extremes of the 64 gray RGBW pattern should not be over 8.)
• Gray level should not have abnormal color or heavy lines.
• If color appears abnormal under the 64 gray RGBW pattern, enter Factory Mode
to adjust Color Speed , Sequence Code and Wave Form . Follow the procedure in
3.6.3 Color Wheel Index Adjustment , using the steps appropriate to the Color
Speed being used (2X or 3X).
3.6.3 Color Wheel Index Adjustment
Procedure
1. Perform the following actions to get into Factory Mode:
a. Ensure projector is ON.
b. Press
M
ENU
,
A
UTO
,
L
EFT
,
L
EFT
,
L
EFT
keys sequentially on Remote or Built-in
Keypad.
2. Provide a 255 Gray Level test pattern to a projector input.
3. Select Color Speed . Pressing the Remote Controller or Keypad
ENTER
key will
toggle this field between 2X and 3X. Select 2X.
SMPTE Bars