Acer AL2023, Service Manual

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MODE NO. 21 22 23 24
RESOLUTION
1280 x 768 1360 x 768 1440 x 900 1440 x 900
Dot clock(MHz) 102.25 85.5 106.5 136.75
f h
60.289KHz 47.712KHz 55.935KHz 70.635KHz
H-Total ( us ) 16.587 (1696dots) 20.959 (1792dots) 17.878 (1904dots) 14.157 (1936dots)
H-Sync ( us ) 1.252 ( 128 dots) 1.31 ( 112 dots) 1.427 ( 152 dots) 1.112 ( 152 dots)
H-B-P ( us ) 2.034 (208 dots) 2.994 (256 dots) 2.178 (232 dots) 1.814 (248 dots)
H-Active ( us ) 12.518 (1280 dots) 15.906 (1360 dots) 13.521 (1440 dots) 10.53 (1440 dots)
H-F-P ( us ) 0.782 (80 dots) 0.749 (64 dots) 0.751 (80 dots) 0.702 (96 dots)
f v 74.893Hz 60.015Hz 59.887Hz 74.984Hz
V-Total (ms ) 13.352 (805 lines) 16.662 (795 lines) 16.698 (934 lines) 13.336 (942 lines)
V-Sync ( ms ) 0.116 (7 lines) 0.126 (6 lines) 0.107 (6 lines) 0.085 (6 lines)
V-B-P (ms ) 0.448 (27 lines) 0.377 (18 lines) 0.447 (25 lines) 0.467 (33 lines)
V-Active ( ms ) 12.739 (768 lines) 16.097 (768 lines) 16.09 (900 lines) 12.741 (900 lines)
V-F-P ( ms ) 0.05 (3 lines) 0.063 (3 lines) 0.054 (3 lines) 0.042 (3 lines)
SYNC. H/V -/+ + / + -/+ -/+
POLARITY
SEP . SYNC Y Y Y Y