NEC LCD1550X-BK, Service Manual

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LCD1550X
- 28 - Document No. VSPF-A028
Appendix III Preset Timing Chart
Horizontal Vertical
m n Timing Dot
Clock
(MHz)
Freq.
Fh
(KHz)
Period
sh
( ˚S)
Pulse
Width
shs
( ˚S)
Front
Porch
Thf
( ˚S)
Back
Porch
Thb
( ˚S)
Display
Time
Thd
( ˚S)
Freq.
FV
(Hz)
Period
sv
(ms)
Pulse
Width
svs
(ms)
Front
Porch
Tvf
(ms)
Back
Porch
Tvb
(ms)
Display
Time
Tvd
(ms)
HS,VS
1
MAC13 30.24 35. 00
(Dot)
28.57
864
2.12
64
2.12
64
3.17
96
21.16
640
66. 67
(Line)
15.00
525
0.09
3
0.09
3
1.11
39
13.71
480
N AN
2
MAC16 57.24 49. 70
(Dot)
20.13
1152
1.12
64
0.56
32
3.91
224
14.54
832
74. 52
(Line)
13.42
667
0.06
3
0.02
1
0.78
39
12.56
624
N AN
3
VGA350 25.175 31. 47
(Dot)
31.78
800
3.81
96
0.64
16
1.91
48
25.42
640
70. 08
(Line)
14.27
449
0.06
2
1.18
37
1.91
60
11.12
350
P AN
4
VGA60 25.175 31. 47
(Dot)
31.78
800
3.81
96
0.64
16
1.91
48
25.42
640
59. 94
(Line)
16.68
525
0.06
2
0.32
10
1.05
33
15.25
480
N AN
5
VGA75 31.50 37. 50
(Dot)
26.67
840
2.03
64
0.51
16
3.81
120
20.32
640
75.00
(Line)
13.33
500
0.08
3
0.03
1
0.43
16
12.80
480
N AN
6
VESA720 28.32 31. 47
(Dot)
31.78
900
3.81
108
0.64
18
1.91
54
25.42
720
70. 08
(Line)
14.27
449
0.06
2
0.41
13
1.08
34
12.71
400
N AP
7
SVGA56 36.00 35. 16
(Dot)
28.44
1024
2.00
72
0.67
24
3.56
128
22.22
800
56. 25
(Line)
17.78
625
0.06
2
0.03
1
0.63
22
17.07
600
P AP
8
SVGA60 40.00 37. 88
(Dot)
26.40
1056
3.20
128
1.00
40
2.20
88
20.00
800
60. 32
(Line)
16.58
628
0.11
4
0.03
1
0.61
23
15.84
600
P AP
9
SVGA72 50.00 48. 08
(Dot)
20.80
1040
2.40
120
1.12
56
1.28
64
16.00
800
72. 19
(Line)
13.85
666
0.12
6
0.77
37
0.48
23
12.48
600
P AP
10
SVGA75 49.50 46. 88
(Dot)
21.33
1056
1.62
80
0.32
16
3.23
P60
16.16
800
75. 00
(Line)
13.33
625
0.06
3
0.02
1
0.45
21
12.80
600
P AP
11
XGA60 65.00 48. 36
(Dot)
20.68
1344
2.09
136
0.37
24
2.46
160
15.75
1024
60.00
(Line)
16.67
806
0.12
6
0.06
3
0.60
29
15.88
768
N AN
12
XGA70 75.00 56. 48
(Dot)
17.71
1328
1.81
136
0.32
24
1.92
144
13.65
1024
70. 07
(Line)
14.27
806
0.11
6
0.05
3
0.51
29
13.60
768
N AN
13
XGA72 78.08 58. 10
(Dot)
17.21
1344
1.72
134
0.33
26
2.05
160
13.11
1024
72. 08
(Line)
13.87
806
0.10
6
0.05
3
0.50
29
13.22
768
N AN
14
XGA75 78.75 60. 02
(Dot)
16.66
1312
1.22
96
0.20
16
2.23
176
13.00
1024
75. 03
(Line)
13.33
800
0.05
3
0.02
1
0.47
28
12.80
768
P AP
15
XGA60 65.00 48.36
(Dot )
20.68
1344
2.09
136
0.37
24
2.46
160
15.75
1024
60.00
(Line)
16.67
806
0.12
6
0.06
3
0.60
29
15.88
768
P AP
16
VGA73 31.5 37.86
(Dot)
26.41
832
1.27
40
0.76
24
4.06
128
20.32
640
72.81
(Line)
13.73
520
0.08
3
0.24
9
0. 74
28
12.68
480
N AN
17
SUN 70.49 52.45 19.04
1344
1.93
136
0.34
24
1.27
160
14.53
1024
65.07 15.37
806
0.11
6
0.06
3
0.55
29
14.64
768
P AN
18
PAL 27 31.25 32
864
3.59
97
1.74
47
0.7
19
25.95
701
50 20
625
0.39312 1.13
35
0.0722 18.4
575
N AN