Adjusting Color Performance; Performing An Auto-Brightness Constant Calibration - Christie HS Series Service Manual

3. Adjust Horz Position and Vert Position to the inner screen.

Adjusting color performance

Use the HDTV (408p, 720p, 1080p) source to complete the test. The color does not turn purple and
blue.
Warning! If not avoided, the following could result in death or serious injury.
• Do not stare into beam when the projector is on. The bright light may result in permanent eye
damage.
ID Part name
1 Test equipment
2 Test signal
3 Test pattern
4 Inspection items
5 Criteria
1. If the image is noisy, press Menu > Size & Position > Pixel Phase and adjust the phase.
2. If blue color appears abnormal under the 64 Gray RGBW pattern, to complete a Phosphor Index
adjustment, enter Service mode.
See Adjusting the phosphor index
3. If the color appears abnormal under the 256 Gray pattern, to do a Filter Index adjustment,
enter Service mode.
See Adjusting the color index
Performing an auto-brightness constant
calibration
Always perform an auto-brightness constant (ABC) calibration after repairing the main board, the
combiner or replacing the light engine.
Warning! If not avoided, the following could result in death or serious injury.
• Do not stare into beam when the projector is on. The bright light may result in permanent eye
damage.
• This projector has a built-in Class 4 laser module. Never attempt to operate the projector without
all covers properly installed, unless instructed to do so in this manual for service.
To perform the auto-brightness constant (ABC) calibration, complete the steps below:
HS Series D13 Service Manual
020-000892-03 Rev. 1 (12-2019)
Description
Video generator
480p, 720p, 1080p
Master, 64 Gray RGBW or SMPTE BAR, 256 Gray
• Check if the color level is supersaturated.
• If the color level is supersaturated, the 64 Gray RGBW test pattern appears
blurred and fuzzy.
• Colors in 64 Gray RGBW test pattern appear sharp and clear.
• No noise is visible on the screen.
on page 28.
on page 29.
Service setups
22