Adjusting Color Performance; Performing An Abc Calibration - Christie GS Series Service Manual

Adjusting color performance

Use the HDTV (408p, 720p, 1080p) source to complete the test. The color does not turn purple and
blue.
Warning! Failure to comply with the following could result in death or serious injury.
• Do not look into the projector lens when the laser is on. The extremely high brightness can cause
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 ABC calibration

Always perform an ABC calibration after repairing the main board, the combiner, or replacing the
light engine.
Warning! Failure to comply with the following could result in death or serious injury.
• This projector has 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.
• Do not look into the projector lens when the laser is on. The extremely high brightness can cause
permanent eye damage.
1. Remove the top cover before during the adjustment.
See Removing the top cover
2. To power on with the top cover removed, firmly hold the interlock switch on the left cover.
3. Enter Factory mode.
See Entering Factory mode
GS Series 700-850 Service Manual
020-001054-02 Rev. 1 (04-2017)
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 24.
on page 25.
on page 57.
on page 13.
Service setups
16