Factory Preset Display Modes; Power Supply Requirements - HP L1940T Series Service Manual

4.2 Factory Preset Display Modes

Pixel
Preset
Format
1 640 x 480
2 640 x 480
3 640 x 480
4 720 x 400
5 800 x 600
6 800 x 600
7 800 x 600
8 832 x 624
9 1024 x 768
10 1024 x 768
11 1024 x 768
12 1152 x 870
13 1152 x 900
14 1280 x 1024
15 1280 x 1024

4.3 Power Supply Requirements

AC Input Voltage
AC Input Frequency
Leakage Current
Power consumption
Horz Freq
(KHz)
31.469
37.861
37.500
31.469
37.879
48.077
46.875
49.726
48.363
56.476
60.023
68.68
71.71
63.98
79.97
PARAMETER
Inrush Current
Horz
Vert Freq (Hz)
Polarity
- 59.940
- 72.809
- 75.000
- 70.087
+
60.317
+ 72.188
+ 75.000
± 74.551
- 60.004
- 70.069
+ 75.029
- 75.06
- 76.05
+ 60.02
+ 75.02
50A MAX AT 220VAC and 30A AT 120VAC
5 mA MAX at 120VAC
11
Vert Pixel Clk
Polarity
-
-
-
+
+
+
+
±
-
-
+
- 100.000
- 105.561
+ 108.000
+ 135.000
RANGE
90 to 265V
47 to 63 Hz
≤70W
HP L1940T
Source
(MHz)
25.175 VGA
31.500 VESA
31.500 VESA
28.322 VGA
40.000 VESA
50.000 VESA
49.500 VESA
57.284 MAC
65.000 VESA
75.000 VESA
78.750 VESA
Mac
Sun
VESA
VESA