Timing Chart - NEC LCD1550X Service Manual

2.11 Timing chart

<Preset Timing List>
Dot
Frequency
Timing
Fh
m o. clock
name
(KHz)
(MHz)
35.00
1 MAC13 30.24
(Dots)
49.70
2 MAC16 57.24
(Dots)
31.47
3 VGA350 25.175
(Dots)
31.47
4 VGA60 25.175
(Dots)
37.50
5 VGA75 31.50
(Dots)
31.47
6 28.32
VESA720
(Dots)
35.16
7 SVGA56 36.00
(Dots)
37.88
8 SVGA60 40.00
(Dots)
48.08
9 SVGA72 50.00
(Dots)
46.88
10 SVGA75 49.50
(Dots)
48.36
11 XGA60 65.00
(Dots)
56.48
12 XGA70 75.00
(Dots)
58.10
13 XGA72 78.08
(Dots)
60.02
14 XGA75 78.75
(Dots)
48.36
15 XGA60 65.00
(Dots)
37.86
16 VGA73 31.5
(Dots)
17 SUN 70.49 52.45
18 PAL 27 31.25
S/G
S/G35 30.24
evaluation
Composite 56.59
SUN57 74.25
estimation (Dots)
Frequency 72.67
72K90 100.00
over limit (Dots)
Frequency 24.83
21.053
under limit (Dots)
Horizontal
Period Sync. Front
pulse porch
sh
Ths Thf
( ˚ S)
( ˚S) ( ˚ S)
28.57 2.12 2.12
864 64 64
20.13 1.12 0.56
1152 64 32
31.78 3.81 0.64
800 96 16
31.78 3.81 0.64
800 96 16
26.67 2.03 0.51
840 64 16
31.78 3.81 0.64
900 108 18
28.44 2.00 0.67
1024 72 24
26.40 3.20 1.00
1056 128 40
20.80 2.40 1.12
1040 120 56
21.33 1.62 0.32
1056 80 16
20.68 2.09 0.37
1344 136 24
17.71 1.81 0.32
1328 136 24
17.21 1.72 0.33
1344 134 26
16.66 1.22 0.20
1312 96 16
20.68 2.09 0.37
1344 136 24
26.41 1.27 0.76
832 40 24
19.04 1.93 0.34
1344 136 24
32 3.59 1.74
864 97 47
28.571 3.5
35 1.891
864 106
17.67 1.83 0.22
1312 136 16
13.76 1.28 0.32
1376 128 32
40.28 3.04 2.8
848 64 59
Back Display Frequency Period
FV
porch time
s v
(Hz)
Thb Thd
(ms)
( ˚S) ( ˚ S)
3.17 21.16 66.67 15.00
96 640 (Lines) 525
3.91 14.54 74.52 13.42
224 832 (Lines) 667
1.91 25.42 70.08 14.27
48 640 (Lines) 449
1.91 25.42 59.94 16.68
48 640 (Lines) 525
3.81 20.32 75.00 13.33
120 640 (Lines) 500
1.91 25.42 70.08 14.27
54 720 (Lines) 449
3.56 22.22 56.25 17.78
128 800 (Lines) 625
2.20 20.00 60.32 16.58
88 800 (Lines) 628
1.28 16.00 72.19 13.85
64 800 (Lines) 666
3.23 16.16 75.00 13.33
160 800 (Lines) 625
2.46 15.75 60.00 16.67
160 1024 (Lines) 806
1.92 13.65 70.07 14.27
144 1024 (Lines) 806
2.05 13.11 72.08 13.87
160 1024 (Lines) 806
2.23 13.00 75.03 13.33
176 1024 (Lines) 800
2.46 15.75 60.00 16.67
160 1024 (Lines) 806
4.06 20.32 72.81 13.73
128 640 (Lines) 520
1.27 14.53 15.37
65.07
160 1024 806
0.7 25.95 20
50
19 700 625
4.0 19.18 15.0
66.70
121 580 525
1.83 13.79 70.04 14.28
136 1024 (Lines) 808
1.92 10.24 90.50 11.05
192 1024 (Lines) 803
4.04 30.4 41.38 19.33
85 640 (Lines) 600
*
of the preset shown in the above table indicates the timing for confirmation.
2-21
Vertical
Sync. Front Back Display
pulse porch porch time
Tvs Tvf Tvb Tvd
(ms) (ms) (ms) (ms)
0.09 0.09 1.11 13.71
3 3 39 480
0.06 0.02 0.78 12.56
3 1 39 624
0.06 1.18 1.91 11.12
2 37 60 350
0.06 0.32 1.05 15.25
2 10 33 480
0.08 0.03 0.43 12.80
3 1 16 480
0.06 0.41 1.08 12.71
2 13 34 400
0.06 0.03 0.63 17.07
2 1 22 600
0.11 0.03 0.61 15.84
4 1 23 600
0.12 0.77 0.48 12.48
6 37 23 600
0.06 0.02 0.45 12.80
3 1 21 600
0.12 0.06 0.60 15.88
6 3 29 768
0.11 0.05 0.51 13.60
6 3 29 768
0.10 0.05 0.50 13.22
6 3 29 768
0.05 0.02 0.47 12.80
3 1 28 768
0.12 0.06 0.60 15.88
6 3 29 768
0.08 0.24 74 12.68
0.
3 9 28 480
0.11 0.06 0.55 14.64
6 3 29 768
0.393 1.13 0.072 18.4
12 35 2 575
0.086 2.00 11.428
1.485
3 70 400
0.106 0.035 0.57 13.57
6 2 32 768
0.04 0.014 0.427 10.57
3 1 31 768
0.322 2.376 0.52 16.112
8 59 13 400
HS/VS
Preset
Polarity
N, N
N, N
P, N
N, N
N, N
N, P
P, P
P, P
P, P
P, P
N, N
N, N
N, N
P, P
P, P
N, N
P, N
N, N
S/G
N, P
N, N
N, N