Samsung SyncMaster 170MP, Service Manual

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2 Product Specifications
SyncMaster 170MP 2-3
2-3 Timing Chart
This section of the service manual describes the timing that the computer industry recognizes as standard
for computer-generated video signals.
Table 2-1. Timing Chart
Timing No.
Originator
Mode Name
Resolution (HxV) 2
IBM
VGA2
720x400 3
IBM
VGA3
640x480 17
VESA
640/75Hz
640x480 42
VESA
640/85Hz
640x480 18
VESA
800/75Hz
800x600
HORIZONTAL
Frequency
Total time
Active time
Blank time
Border
(L / R)
Data time
Front porch
Sync. width
Back porch
Sync. polarity
31.469kHz
31.777
µ
s
26.058
µ
s
5.720
µ
s
0.318
µ
s
25.422
µ
s
0.318
µ
s
3.813
µ
s
1.589
µ
s
Negative
31.469kHz
31.778
µ
s
26.058
µ
s
5.720
µ
s
0.318
µ
s
25.422
µ
s
0.318
µ
s
3.813
µ
s
1.589
µ
s
Negative
37.500kHz
26.667
µ
s
20.317
µ
s
6.350
µ
s
0.000
µ
s
20.317
µ
s
0.508
µ
s
2.032
µ
s
3.810
µ
s
Negative
43.269kHz
23.111
µ
s
17.778
µ
s
5.333
µ
s
0.000
µ
s
17.778
µ
s
1.556
µ
s
1.556
µ
s
2.222
µ
s
Negative
46.875kHz
21.333
µ
s
16.162
µ
s
5.171
µ
s
0.000
µ
s
16.162
µ
s
0.323
µ
s
1.616
µ
s
3.232
µ
s
Positive
VERTICAL
Frequency
Total time
Active time
Blank time
Border (T / B)
Data time
Front porch
Sync. width
Back porch
Sync. polarity 70.087Hz
14.268ms
13.155ms
1.113ms
0.222ms
12.711ms
0.191ms
0.064ms
0.858ms
Positive
59.940Hz
16.683ms
15.761ms
0.922ms
0.254ms
15.253ms
0.064ms
0.064ms
0.794ms
Negative
75.000Hz
13.333ms
12.800ms
0.533ms
0.000ms
12.800ms
0.027ms
0.080ms
0.427ms
Negative
85.008Hz
11.764ms
11.093ms
0.671ms
0.000ms
11.093ms
0.023ms
0.069ms
0.578ms
Negative
75.000Hz
13.333ms
12.800ms
0.533ms
0.000ms
12.800ms
0.021ms
0.064ms
0.448ms
Positive
Dot Clock 28.322MHz 25.175MHz 31.500MHz 36.000MHz 49.500MHz
Sync. Type
Scan Type
*
Separate
N/I
Separate
N/I
Separate
N/I
Separate
N/I
Separate
N/I