Christie DHD675-E, Service Manual

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3-10 E Series 675/775 Service Manual
020-000546-04 Rev. 1 (04-2017)
Section 3: Service Setup
Inspection item
Color saturations.
Criteria
• The SMPTE BAR is not missing.
• Color levels should be sufficient and normal.
• There are not any abnormal lines on the image
3.10 Optical Performance Measure
Conditions
• Ambient luminance: <10.0 Lux.
• Lens: 0.8:1
• Product must be warmed up for 5 minutes.
• Distance from the screen: 2 meters.
• Screen Size: 60 inches diagonal (16:9 format).
3.10.1 Test Equipment
Procedure
1. Press
M
ENU
,
A
UTO
,
L
EFT
,
L
EFT
,
L
EFT
keys sequentially on Remote or Built-in
Keypad to enter Factory Mode .
2. Select Spoke .
3.10.2 Brightness
Procedure
1. Display the Full White pattern.
2. Use a light meter to measure the brightness values of P1 to P9.
3. Follow the brightness formula to calculate brightness values.
4. Brightness Formula: Avg(P1~P9)*1.04m².