Philips 190VW9FB/00(1), Service Manual

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HUDSON 9 84
3.11 Hot-key definition
Item Key Key press time OSD Timeout OSD Message
Monitor Controls
Lock
[Menu] 6 sec 5 sec
Monitor Controls Locked
Monitor Controls
Unlocked (default)
Factory Mode [AUTO]+[Menu]+[Power]
DDC/CI On/OFF
for VISTA
[MENU]+[DOWN] 5 sec 5 sec
DDC/CI On (default)
DDC/CI Off
Any deviation between document and sample, please refer to Philips approved sample.
4. Visual characteristics
4.1 Test conditions
Unless otherwise specified, this specification is defined under the following conditions.
(1) Input signal : As defined in 3.3, 1440 x 900
non-interlaced mode (1440*900@60Hz 146.25MHz), signal
sources must have 75 ohm output impedance.
(2) Luminance setting : controls to be set to 300 nits (typical) with
full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
(4) Ambient light: 400 -- 600 lux.
(5) Ambient temperature: 20 ± 5
°
C
4.2 Brightness
Follow Panel specification.
4.3 Image size
Actual display size: Refer to 2.1 LCD PANEL spec.
4.4 Brightness uniformity
Set contrast at 100% and turn the brightness to get average above 300 nits at centre of the screen.
Apply the Fig 1, it should comply with the following formula:
B_min
X 100% >75% (Follow panel spec.)
B_max
Where B_max =Maximum brightness, B_min = Minimum brightness
4.5 Check Cross talk (S)
Apply Pattern 2. Set contrast and brightness at 100 %.
Measure YA. Then output Pattern 3 and measure YB.
the cross talk value :
ABS ( YA - YB )
⎯⎯⎯⎯⎯⎯⎯⎯⎯
X 100% < 1.5 %
YA
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