HP L1502 Service Manual page 52

52 HP L1502 LCD
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Blue ( x , y )
Color Gamut -- %
Luminance Uniformity (min)
Backlight Life (min)
Crosstalk (max)
Electrical Characteristics
Supply Voltage
Operating Ambient Temp
Power Consumption (max)
Main Clock (Typ~Max)
Response time (Tr+Tf)
2. Electrical characteristics
Windows 2000 and XP certification are required for the monitor.
The monitor shall meet all PC2001 design guidelines.
2.1 Interface Requirements
2.1.1 Applied Two Different Modes
(1) Analog Input
Video Signal Amplitudes: 0.7 Vp-p,
Video Signal Termination impedance: 75 W +/- 1%
Sync Signal Termination impedance: 2K2 +/- 5%
Sync Signal Levels: 3.3 and 5 volt TTL level, +/- polarity
Sync Format Compatibility: Separate sync
(2) Check Video Cable
When the Monitor determines the VGA cable is not connected, the Monitor
shall display a flicker free message, "Check Video Cable" for 60 seconds, to
alert the user that the video cable is not be plugged into the CPU or a Monitor
signal connector. The monitor shall use a method of a pull-up resistor on a
ground pin to determine if the video cable is connected to the PC. Following
the 60 second period, the Monitor shall display the Going to Sleep message
for 3 seconds, then enter the reduced power state, per the following sequence
of events:
- Signal cable is removed or Monitor is powered ON with no signal cable attached
15 inch LCD MONITOR
TYPE
BRAND : HP(L1502)
2004-04-23
HP WU
GENERAL PRODUCT SPECIFICATION
150 , 088
59.5%
75%
40Khrs
1.20%
3.3V
0 ~ 50C
10.4W
65~79MHz
16ms(typ)
: AJ6S50/02
2004-04-23
140, 88
65%
75%
35Khrs
1.5%
3.3V
0 ~ 55C
12.5W
65~80Hz
16ms(typ)
8639 000 15367
590 3
18