Acer AL2023, Service Manual

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MODE NO. 17 18 19 20
RESOLUTION
1280 x 960 1600 x 1200 1280 x 720 1280 x 768
Dot clock(MHz) 108 162 74.481 79.5
f h
60.000 KHz 75.000 KHz 44.760KHz 47.776KHz
H-Total ( us ) 16.667 (1800dots) 13.333 (2160 dots) 22.341 (1664dots) 20.931 (1664dots)
H-Sync ( us ) 1.037 ( 112 dots) 1.185 ( 192 dots) 1.826 ( 136 dots) 1.61 ( 128 dots)
H-B-P ( us ) 2.889 (312 dots) 1.877 (304 dots) 2.578 (192 dots) 2.415 (192 dots)
H-Active ( us ) 11.852 (1280 dots) 9.877 (1600 dots) 17.186 (1280 dots) 16.101 (1280 dots)
H-F-P ( us ) 0.889 (96 dots) 0.395 (64 dots) 0.752 (56 dots) 0.805 (64 dots)
f v 60.00Hz 60.00 Hz 60.000Hz 59.87Hz
V-Total (ms ) 16.667 (1000 lines) 16.667 (1250 lines) 16.667 (746 lines) 16.703 (798 lines)
V-Sync ( ms ) 0.050 (3 lines) 0.040 (3 lines) 0.067 (3 lines) 0.147 (7 lines)
V-B-P (ms ) 0.600 (36 lines) 0.613 (46 lines) 0.492 (22 lines) 0.419 (20 lines)
V-Active ( ms ) 16.000 (960 lines) 16.000 (1200 lines) 16.086 (720 lines) 16.075 (768 lines)
V-F-P ( ms ) 0.017 ( 1 line ) 0.013 ( 1 line ) 0.022 (5 lines) 0.063 (3 lines)
SYNC. H/V + / + + / + - / + -/+
POLARITY
SEP . SYNC Y Y Y Y