Acer AL2023 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 75Hz (75)
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
31.5
37.500kHz
28.44(1024 dots)
22.22(800 dots)
0.67(24 dots)
17.78(625 lines)
0.63(22 lines)
17.07(600 lines)
- / -
Y
6
800 x 600
36
35.16kHz
26.40 (1056 dots)
2.00(72 dots) 3.200 (128 dots)
3.56(128 dots) 2.200 ( 88 dots)
20.00 ( 800 dots)
1.000 (40 dots)
56.25 60Hz (60.316)
16.58 (628 lines)
0.06(2 lines)
0.607 (23 lines)
15.84 (600 lines)
0.03( 1 line)
+/+
Y
- 12 -
7
800 x 600
40
37.879kHz
21.333 (1056dots)
1.616 (80 dots)
16.162 (800 dots)
0.323 (16 dots)
75Hz (75.000)
13.333 (625lines)
0.106 (4 lines) 0.064 (3 lines)
0.448 (21 lines)
12.80 (600lines)
0.026 (1 line )
+ / +
Y
8
800 x 600
49.5
46.875kHz
3.232 (160 dots)
0.021 (1 line )
+ / +
Y