Acer P7270I Refresh, Service Manual

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P7280/P7270I/P7280 Refresh/P7270I Refresh
Confidential
1-3
No Item Description
14 Throw Ratio - 1.57 – 1.89 : 1 @ 60”
15 Brightness
Engineering spec:
- P7270i Refresh/ P7270i (280W):
Typical: 3420 lumens
Minimum: 3040 lumens
(Compliance with IS021118 criteria)
- P7280 Refresh / P7280 (330W):
Typical: 4050 lumens
Minimum: 3600 lumens
(Compliance with IS021118 criteria)
Marketing spec:
- 3800 lumens
- 4500 lumens
16 Contrast
Engineering spec:
- 2100 : 1 Full White and Black (Typical)
- 1500 : 1 Full White and Black (Minimum)
Marketing spec:
- 2200:1 (Typical)
- 2037 (Minimum)
17 Uniformity
Engineering spec:
- 60% Japan standard (Minimum)
- 80% Japan standard (Typical)
Marketing spec:
- >85% (Typical)
- >75% (Minimum)
18 Color Wheel
- Six segments: R90B82W42C28G90Y28
- 7200 rpm @ CW 2X
- 9000 rpm @ CW 3X, PAL 50Hz (for P7270I Refresh /P7280
Refresh)
19 Operation temperature
- for 0 -- 2500 ft, 5 -- 35 °C
- for 2500 -- 5000 ft, 5 -- 30 °C
- for 5000 -- 10000 ft, 5 -- 25 °C
20 Storage temperature - -20°C - 60°C
21 Lamp life
- 2000 hours min, 50% survival rate (Normal mode)
- 2500 hours min, 50% survival rate (Eco mode)