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HP L1902 Service Manual
Page 9 of 69
4.2 Factory Preset Display Modes
Preset
Pixel
Format
Horz
Freq (KHz)
Horz
Polarity
Vert Freq
(Hz)
Vert
Polarity
Pixel Clk
(MHz)
Source
1
640
x
480
31.469 - 59.940 - 25.175 VGA
2
640
x
480
37.861 - 72.809 - 31.500
VESA
3
640
x
480
37.500 - 75.000 - 31.500
VESA
4
720 x 400
31.469
-
70.087
+
28.322
VGA
5
800 x 600
37.879
+
60.317 + 40.000
VESA
6
800
x
600
48.077 + 72.188 + 50.000
VESA
7
800
x
600
46.875 + 75.000 + 49.500
VESA
8
832 x 624
49.726
±
74.551
±
57.284
MAC
9
1024
x
768
48.363 - 60.004 - 65.000
VESA
10
1024
x
768
56.476 - 70.069 - 75.000
VESA
11
1024
x
768
60.023 + 75.029 + 78.750
VESA
12
1152
x
870
68.68 - 75.06 - 100.000
Mac
13
1152
x
900
71.71 - 76.05 - 105.561
Sun
14
1280 x 1024
63.98
+
60.02
+
108.000
VESA
15
1280 x 1024
79.97
+
75.02
+
135.000
VESA
4.3 Power Supply Requirements
4.3.1 Input / Output Requirements
PARAMETER RANGE
AC Input Voltage
90 to 264V
AC Input Frequency
47 to 63 Hz
AC Input Current
1.5A MAX
Inrush Current
60A MAX AT 264VAC COLD START
Leakage Current
3.5 mA MAX and less than 0.25mA at 100Vac
Output voltage / current
12V / 3.5A , 5V / 1.5A
Output power
45W Max
Efficiency >80%
Saving Mode
<2W Max @5V/0.1A , 12V/0A
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