Philips C500 Service Manual page 9

horizontal and vertical axes of the screen, shall be as follows:
The external control ranges of the data area, shall be as follows:
Maximum horizontal size:
Minimum horizontal size:
Maximum vertical size:
Minimum vertical size:
2.9.3 Picture Size Variation
The change in display size shall be less than 3mm in width or 2mm in height at full white
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pattern.(250x188mm
Brightness change from 5FL to 25FL
Temperature change in 25°C ±10°C
2.9.4 Display Centering
Figure 9. Describes the pattern for this test. Basically a single pixel white line around the perimeter
of the data area composes it, with marks for the horizontal ad vertical axes. The background is
black.
The maximum variation of the display centering shall be such that the following relationship shall be
met:
a | L - R | ≤ 3mm | U - D | ≤3mm
Figure 9: Display Centering
The external control ranges of display position for all modes listed in part 2.3.1 shall be as follows:
Horizontal position:
Vertical position:
Horizontal=270 ± 4mm
Vertical=203± 4mm
overscan the screen
≤255mm
overscan the screen
≤183mm
)
total control range≥ 40mm
total control range≥ 25mm
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