Chapter 11 Page no. 1800
JC-PM-A-300.fm
GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Job Card PM A300 - 21-inch 3MP Monitor Luminance Checks
TABLE 1 - LUMINANCE TEST RESULTS
8 COMPLETION
If any of the luminance tests failed, change the 21-inch 3MP Monitor according to Job Card D/R A318 -
LCD Monitor on page 1469.
If all of the luminance tests passed, no other action is required.
Test Test Pattern Measured or
calculated value
Expected Result Pass/Fail
A
Black luminance TG18-LN12-01 Pattern Pass: less than 1 cd/m²
Fail: greater than 1 cd/m²
B White luminance TG18-LN12-018 Pattern Pass: greater than 350 cd/m²
Fail: less than 350 cd/m²
C Contrast ratio N/A
Ratio of measured values
between white luminance
value and black luminance
value
Pass: greater than 100
Fail: less than 100
D1
Black
non-uniformity TG18-UNL10 Pattern
Pass: (BLmax - BLmin) /
BLcenter is less than 0.3
Fail: (BLmax - BLmin) /
BLcenter is greater than 0.3
D2
D3
D4
D5
E1
White
non-uniformity TG18-UNL80 Pattern
Pass: (WLmax - WLmin) /
WLcenter is less than 0.3
Fail: (WLmax - WLmin) /
WLcenter is greater than 0.3
E2
E3
E4
E5
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