NEC MultiSync 20WGX2 Service Manual page 80

Item Item
Pixel frequency Pixel frequency
Horizontal frequency Horizontal frequency
Line Time Line Time total total
Horizontal active Horizontal active display display
Horizontal sync Horizontal sync pulse pulse
Horizontal back Horizontal back porch porch
Horizontal front Horizontal front porch porch
Horizontal sync polarity Horizontal sync polarity
Vertical Frequency Vertical Frequency
Frame Frame time time total total
Vertical active Vertical active display display
Vertical sync Vertical sync pulse pulse
Vertical Vertical back back porch porch
Vertical front Vertical front porch porch
Vertical sync polarity Vertical sync polarity
Item Item
Pixel frequency Pixel frequency
Horizontal Horizontal frequency frequency
Line Line Time Time total total
Horizontal active Horizontal active display display
Horizontal sync Horizontal sync pulse pulse
Horizontal Horizontal back back porch porch
Horizontal Horizontal front front porch porch
Horizontal sync polarity Horizontal sync polarity
Vertical Frequency Vertical Frequency
Frame time Frame time total total
Vertical Vertical active active display display
Vertical sync Vertical sync pulse pulse
Vertical Vertical back back porch porch
Vertical Vertical front front porch porch
Vertical sync polarity Vertical sync polarity
No. No.
Abbreviation Abbreviation
VGA 720 VGA 720
fc fc
28.322MHz 28.322MHz
fh fh
31.47kHz 31.47kHz
Th Th
31.78us 31.78us
Thd Thd
25.42us 25.42us
Thp Thp
3.81us 3.81us
Thb Thb
1.91us 1.91us
Thf Thf
0.63us 0.63us
fv fv
70.087Hz 70.087Hz
Tv Tv
14.27ms 14.27ms
Tvd Tvd
12.71ms 12.71ms
Tvp Tvp
0.06ms 0.06ms
Tvb Tvb
1.11ms 1.11ms
Tvf Tvf
0.38ms 0.38ms
No. No.
Abbreviation Abbreviation
VGA 640 VGA 640
fc fc
31.500MHz 31.500MHz
fh fh
37.86kHz 37.86kHz
Th Th
26.41us 26.41us
Thd Thd
20.32us 20.32us
Thp Thp
1.27us 1.27us
Thb Thb
4.06us 4.06us
Thf Thf
0.76us 0.76us
NEG NEG (/POS)
fv fv
72.81Hz 72.81Hz
Tv Tv
13.73ms 13.73ms
Tvd Tvd
12.68ms 12.68ms
Tvp Tvp
0.08ms 0.08ms
Tvb Tvb
0.74ms 0.74ms
Tvf Tvf
0.24ms 0.24ms
NEG (/POS) NEG
5-32 2 5-3
MODE MODE
5 5
× × 400 400 70Hz 70Hz VGA 640 VGA
25.175MHz 25.175MHz
31.47kHz 31.47kHz
900CLK 900CLK 31.78us 31.78us
720CLK 720CLK 25.42us 25.42us
108CLK 108CLK 3.81us 3.81us
54CLK 54CLK 1.91us 1.91us
18CLK 18CLK 0.64us 0.64us
NEG NEG
59.992Hz 59.992Hz
449H 449H 16.68ms 16.68ms
400H 400H 15.25ms 15.25ms
2H 2H 0.06ms 0.06ms
35H 35H 1.02ms 1.02ms
12H 12H 0.35ms 0.35ms
POS POS
MODE MODE
7 7
480 72Hz 480 72Hz VESA 640 VESA
× ×
31.500MHz 31.500MHz
37.50kHz 37.50kHz
832CLK 832CLK 26.67us 26.67us
640CLK 640CLK 20.32us 20.32us
40CLK 40CLK 2.03us 2.03us
128CLK 128CLK 3.81us 3.81us
24CLK 24CLK 0.51us 0.51us
(/POS)
75.00Hz 75.00Hz
520H 520H 13.33ms 13.33ms
480H 480H 12.80ms 12.80ms
3H 3H 0.08ms 0.08ms
28H 28H 0.43ms 0.43ms
9H 9H 0.03ms 0.03ms
(/POS)
MODE MODE
6 6
640 480 60Hz 480 60Hz
× ×
800CLK 800CLK
640CLK 640CLK
96CLK 96CLK
48CLK 48CLK
16CLK 16CLK
NEG NEG (/POS) (/POS)
525H 525H
480H 480H
2H 2H
33H 33H
10H 10H
NEG NEG (/POS) (/POS)
MODE MODE
8 8
640 × × 480 75Hz 480 75Hz
840CLK 840CLK
640CLK 640CLK
64CLK 64CLK
120CLK 120CLK
16CLK 16CLK
NEG (/POS) NEG (/POS)
500H 500H
480H 480H
3H 3H
16H 16H
1H 1H
NEG NEG (/POS) (/POS)