Samsung LE20S81BX Service Manual page 66

Tft-lcd tv
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14-4 Preset Timing Modes
If the signal transferred from the computer is the same as the following Preset Timing Modes, the screen
will be adjusted automatically. However, if the signal differs, the screen may go blank while the power LED
is on. Refer to the video card manual and adjust the screen as follows.
Mode
Resolution
640 X 350
IBM
720 X 400
640 X 480
640 X 480
VESA
640 X 480
640 X 480
800 X 600
800 X 600
800 X 600
800 X 600
1024 X 768
1024 X 768
1024 X 768
1024 X 768
1360 X 768
Horizontal
Vertical
Frequency
Frequency
(kHz)
(Hz)
31.469
70.086
31.469
70.087
31.469
59.940
35.000
70.000
37.861
72.809
37.500
75.000
37.879
60.317
48.077
72.188
46.875
75.000
43.750
70.000
48.363
60.004
56.476
70.069
56.672
72.000
60.023
75.029
47.712
60.015
14 Reference Infomation
Pixel Clock
Frequency
Polarity
(MHz)
25.175
28.322
25.175
28.560
31.500
31.500
40.000
50.000
49.500
45.500
65.000
75.000
78.434
78.750
85.800
Sync
(H/V)
+ / -
- / +
- / -
- / -
- / -
- / -
+ / +
+ / +
+ / +
- / -
- / -
- / -
- / -
+ / +
+ / +
14-5

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