Acer AM501, Service Manual

Page: 15 / 85

11
4.3 Preset Timing
M454 U-P Default Timing
Table 3
sweep F D C B A
MODE H Pixes
V Lines
Fd(MHz)
Polar(H/V)
Fh(KHz)
Fv(Hz)
Th(us)
Tv(ms)
Td(us)
Td(ms)
Tb(us)
Tb(ms)
Tp(us)
Tp(ms)
Tf(us)
Tf(ms)
d: dot d: display b: backporch p: pulse f: front
1 VGA60 640
480
25.175
N/N
31.469
59.94
31.777
16.683 25.422
15.253 1.907
1.049 3.813
0.064 0.635
0.317
2 VESA75 800
600
49.5
P/P
46.875
75
21.333
13.333 16.162
12.8
3.232
0.448 1.616
0.064 0.323
0.021
3 VESA60 1024
768
65
N/N
48.363
60
20.677
16.667 15.754
15.88
2.462
0.6
2.092
0.124 0.369
0.063
4 VESA85 800
600
56.25
P/P
53.674
85.061 18.631
11.756
14.222
11.179
2.702
0.503 1.138
0.056 0.569
0.018