Philips 221B3LPCB/00, Руководство по обслуживанию

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6.4 Display disturbances to external environment
7. Reliability
7.1 Mean Time between Failures
System MTBF (Including the LCD panel and CCFL): 50,000 hrs
8. Quality Assurance Requirements
8.1 Acceptance test
According to MIL-STD-1916D Control II level
AQL: NA
(Please also refer to annual quality agreement)
Customer acceptance criteria: UAW0377/00
9. Philips’ Flat Panel Monitors Pixel Defect Policy
Philips’ Flat Panel Monitors Pixel Defect Policy
Bright Dot Defects Acceptable Level
MODEL 221B3
1 lit sub-pixel 3
2 adjacent lit sub-pixels 1
3 adjacent lit sub-pixels (one white pixel) 0
Distance between two bright dots 15mm
Bright dot defects within 20 mm circle 0
Total bright dot defects of all type 3
Black Dot Defects Acceptable Level
MODEL 221B3
1 dark sub-pixel 5
2 adjacent dark sub-pixels 2
3 adjacent dark sub-pixels (one white pixel) 1
Distance between two black dots 15mm
Black dot defects within 20 mm circle* 1
Total black dot defects of all type 5
Total Dot Defects Acceptable Level
MODEL
221B3
Total bright or black dot defects of all type 5
* 1 or 2 adjacent sub-pixel defects = 1 dot defect