Acer AL2223WD Service Manual page 12

MODE NO.
RESOLUTION
Dot clock(MHz)
f h
H-Total ( us ) 26.667(840 dots)
H-Sync ( us ) 2.032 (64 dots)
H-B-P ( us ) 3.810 (120 dots)
H-Active ( us ) 20.317 (640 dots)
H-F-P ( us ) 0.508 (16 dots)
f v
V-Total (ms ) 13.333 (500 lines)
V-Sync ( ms ) 0.080 (3 lines)
V-B-P (ms ) 0.427 (16 lines)
V-Active ( ms ) 12.80 (480 lines)
V-F-P ( ms ) 0.027 ( 1 line )
SYNC. H/V
POLARITY
SEP . SYNC
5
640 x 480 800 x 600
31.5
37.500kHz 35.16kHz
28.44(1024 dots)
2.00(72 dots)
3.56(128 dots)
22.22(800 dots)
0.67(24 dots)
75Hz (75)
17.78(625 lines)
0.06(2 lines)
0.63(22 lines)
17.07(600 lines)
0.03( 1 line)
- / -
Y
- 12 -
6
800 x 600
36 40
37.879kHz
26.40 (1056 dots)
3.200 (128 dots)
2.200 ( 88 dots)
20.00 ( 800 dots)
1.000 (40 dots)
56.25 60Hz (60.316)
16.58 (628 lines)
0.106 (4 lines)
0.607 (23 lines)
15.84 (600 lines)
0.026 (1 line )
+/+ + / +
Y Y
7 8
800 x 600
49.5
46.875kHz
21.333 (1056dots)
1.616 (80 dots)
3.232 (160 dots)
16.162 (800 dots)
0.323 (16 dots)
75Hz (75.000)
13.333 (625lines)
0.064 (3 lines)
0.448 (21 lines)
12.80 (600lines)
0.021 (1 line )
+ / +
Y