Philips 200WB7EB/27 Service Manual page 55

GENERAL PRODUCT SPECIFICATION(Continued)
3.4 Horizontal scanning
Sync polarity : Positive or Negative
Scanning frequency : 30 - 98 K Hz
3.5 Vertical scanning
Sync polarity : Positive or Negative
Scanning frequency : 56 - 76 Hz
3.6 Power input connection
Power cord length : 1.8 M
Power cord type : 3 leads power cord with protective earth plug.
3.7 Power management
The monitor must comply with the Microsoft On Now specification, with two power management states, as defined by the
VESA
DPMS document. The monitor must appropriately display the DPMS state.
Mode HSYNC VSYNC
Power-On On
Off Off
DC Power Off
3.8 Display identification
In accordance with VESA Display Channel Standard Ver.1.0 and having DDC 2B capability
3.9 Display identification
In accordance with DVI requirement (DDWG digital Visual Interface revision 1.0) use DDC-2B, DDC/CI, and EDID 3.0
structure 2.0
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, 1680 x 1050 non-interlaced mode (98K), signal sources must have 75 ohm output
impedance.
(2) Luminance setting: controls to be set to 300 nits 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
> 240 nits (at panel color temperature, at center of the screen, set contrast and brightness at maximum. )
4.3 Image size
Actual display size 376.32x301.056mm
4.4 Brightness uniformity
Set contrast at 100% and turn the brightness to get average above 240 nits at centre of the screen.
Apply the Fig 1, it should comply with the following formula:
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 )
¾¾¾¾¾¾¾¾¾ X 100% < 1.5 %
20.1 inch TFT WSXGA LCD Monitor
TYPE
BRAND : PHILIPS
2006-03-03
Kurtz Ko
Video Pwr-cons.
On active < 48 W
Off blanked < 2 W
N/A < 1 W
B_min
B_max
YA
: 200WB7EB/27
2006-03-03
Indication Rec. time
Green LED --
Amber LED < 3 s
LED Off
X 100% > 65%
8639 000 16912
12 590 8
200WB7 LCD 55