Mitsubishi Electric DLP XD8100U, Руководство по обслуживанию, Страница: 60 / 165

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LIFE TIME OF THE CONSUMABLE PARTS
Following are the reference of the life times of the consumable parts.
Parts
Estimated replacement time
LAMP MODE : STANDARD LAMP MODE : LOW
SINGLE DUAL SINGLE DUAL
Lamp Max. 4,000 hours Max. 2,000 hours Max. 8,000 hours Max. 4,000 hours
Motor fan (Exhaust) Approx. 8,000 hours
Motor fan (Lamp) Approx. 8,000 hours
DMD Approx. 75,000 hours Approx. 25,000 hours Approx. 100,000 hours Approx. 50,000 hours
Reference
Parts Estimated replacement time
Other motor fan
(Power, color-wheel, DMD)
Approx. 80,000 hours
Color-wheel
Approx. 100,000 hours
Mechanical shutter Approx. 30,000 times
DEFECT STANDARD OF DMD PIXEL (REFERENCE)
Measurement conditions
Projection condition : 40 ± 0.5 inches, full wide, lens shift at the default position
Lens shift position ; default position
Projection distance : About 1.4 m.
Inspection signal : 100% white (internal or outside), 100% black (internal or outside), and 50% gray
100% black is not used to judge Bremish.
Measurement point : at any point of the screens
Picture quality menu : default value
Set posture : Measure it by the floor putting and hori/- 5deg.
Environmental illuminance : 5(lx) or less at the measurement point
Measuring instrument
: Measure it by vertical posture.
Others : Parts that influence brightness such as the projection lenses must includeneither dust nor dirt, etc.
Standard value
Light Bremish Dark Bremish 4 or less (each)
Dark pixel 4 or less
Bright pixel
0 (display pixel)
1 (outside display pixel)
Unstable pixel 0
Adjacent pixel
0 (It is calculated besides the bright pix-
elts or dark pixels)
Definition
Bremish : Defect like misty bright (or misty dark) due to foreign body or scratch, etc. on optical path. Bremish
doesn’t focus the image on the state of pictures just focus.
Dark pixel : Pixel defect where DMD mirror is off fixed.
Bright pixel : Pixel defect where DMD mirror is on fixed.
Unstable pixel : The pixel defect that the DMD mirror works regardless of the input image signal. Blinking bright
point is included in this.
Adjacent pixel : Pixel defect that does operation as which two adjoining DMD mirrors or more are the same.