Samsung GH15ES, Service Manual

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2 Product Specifications
2-4 GH15LS/GH15ES/GH15MS
fH (kHz)
A µsec
B µsec
C µsec
D µsec
E µsec
fV (Hz)
O msec
P msec
Q msec
R msec
S msec
Clock
Frequency
(MHz)
Polarity
H.Sync
V.Sync
Remark
VESA
800/72 Hz
800 x 600
800/75 Hz
800 x 600
640/67 Hz
640 x 480
832/75 Hz
832 x 624
Table 2-1. Timing Chart (Continued)
48.077
20.800
2.400
1.280
16.000
1.120
72.188
13.853
0.125
0.478
12.480
0.770
50.000
Positive
Positive
Separate
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
35.000
28.571
2.116
3.175
21.164
2.116
66.667
15.000
0.086
1.114
13.714
0.086
30.240
Negative
Negative
Separate
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
Mode
MAC.
Timing
Q R S
P
O
Video
Sync
Sync
Horizontal
Vertical
C D E
P
O
B
A
Video
Sync
Sync
Separate Sync
C D
A
O
E
B P
Video
Sync
Sync
Video
Q R S
A : Line time total B : Horizontal sync width O : Frame time total P : Vertical sync width
C : Back porch D : Active time Q : Back porch R : Active time
E : Front porch S : Front porch
1024/70Hz
1024x768
56.476
17.707
1.813
1.920
13.653
0.320
70.069
14.272
0.106
0.513
13.599
0.053
75.000
Negative
Negative
Separate
1024/75Hz
1024x768
60.023
16.660
1.219
2.235
13.003
0.203
75.029
13.328
0.050
0.466
12.795
0.017
78.750
Positive
Positive
Separate
1024/60Hz
1024x768
48.363
20.677
2.092
2.462
15.754
0.369
60.004
16.666
0.124
0.600
15.880
0.062
65.000
Negative
Negative
Separate