Samsung SyncMaster 570B TFT Service Manual page 7

2 Product Specifications
Mode
800/72 Hz
800 x 600
Timing
fH (kHz)
48.077
A µsec
20.800
B µsec
2.400
C µsec
1.280
D µsec
16.000
E µsec
1.120
fV (Hz)
72.188
O msec
13.853
P msec
0.125
Q msec
0.478
R msec
12.480
S msec
0.770
Clock
Frequency
50.000
(MHz)
Polarity
H.Sync
Positive
V.Sync
Positive
Remark
Separate
Horizontal
Video
Video
C D
C D E
Sync Sync Sync
B
B
A
A
A : Line time total
C : Back porch
E : Front porch
2-4
Table 2-1. Timing Chart Continued
1024/60Hz
800/75 Hz
800 x 600
46.875
21.333
1.616
3.232
16.162
0.323
75.000
13.333
0.064
0.448
12.800
0.021
49.500
Positive
Positive
Separate
Separate Sync
Vertical
Video
Video
E
Q Q R R
Sync Sync
Sync
P P P
O O
O
B : Horizontal sync width
D : Active time
VESA
1024/70Hz
1024x768 1024x768
48.363 56.476
20.677 17.707
1.813
2.092
2.462 1.920
15.754 13.653
0.369 0.320
60.004 70.069
14.272
16.666
0.124 0.106
0.600 0.513
15.880 13.599
0.062 0.053
65.000 75.000
Negative Negative
Negative Negative
Separate Separate
S S
O : Frame time total
Q : Back porch
S : Front porch
640/67 Hz
1024/75Hz
60 x 480
1024x768
35.000
60.023
28.571
16.660
2.116
1.219
3.175
2.235
21.164
13.003
2.116
0.203
66.667
75.029
15.000
13.328
0.086
0.050
1.114
0.466
13.714
12.795
0.086
0.017
30.240
78.750
Negative
Positive
Negative
Positive
Separate
Separate
P : Vertical sync width
R : Active time
SyncMaster 570B TFT / 580B TFT
MAC.
832/75 Hz
832 x 624
49.726
20.110
1.117
3.910
14.524
0.559
74.551
13.414
0.060
0.784
12.549
0.020
57.284
Negative
Negative
Separate