Service setups
HS Series D13 Service Manual
22
020-000892-03 Rev. 1 (12-2019)
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.
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
3. If the color appears abnormal under the 256 Gray pattern, to do a Filter Index adjustment,
enter
Service mode
.
See
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.
To perform the auto-brightness constant (ABC) calibration, complete the steps below:
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
Description
1
Test equipment
Video generator
2
Test signal
480p, 720p, 1080p
3
Test pattern
Master, 64 Gray RGBW or SMPTE BAR, 256 Gray
4
Inspection items
• Check if the color level is supersaturated.
• If the color level is supersaturated, the 64 Gray RGBW test pattern appears
blurred and fuzzy.
5
Criteria
• Colors in 64 Gray RGBW test pattern appear sharp and clear.
• No noise is visible on the screen.
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.
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