Acer AL2423W h, Service Manual

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f h
60.02kHz 63.981kHz 79.976KHz 67.5 KHz
H-Total ( us ) 16.66(1312 dots) 15.630 (1688 dots) 12.504 (1688 dots) 14.815(1600 dots)
H-Sync ( us ) 1.22 (96 dots) 1.037 (112 dots) 1.067 (144 dots) 1.185(128 dots)
H-B-P ( us ) 2.23 (176 dots) 2.296 (248 dots) 1.837 (248 dots) 2.370(256 dots)
H-Active ( us ) 13.00 (1024 dots) 11.852 (1280 dots) 9.481 (1280dots) 10.667(1152 dots)
H-F-P ( us ) 0.20 (16 dots) 0.444 (48 dots) 0.119 (16 dots) 0.593(64 dots)
f v
75.03Hz 60.020Hz 75.025 Hz 75.06 Hz
V-Total (ms ) 13.33 (800 lines) 16.661 (1066lines) 13.329 (1066 lines) 13.333(900 lines)
V-Sync ( ms ) 0.05 (3 lines) 0.047 ( 3 lines) 0.038 (3 lines) 0.044(3 lines)
V-B-P (ms ) 0.47 (28 lines) 0.594 ( 38 lines) 0.475 (38 lines) 0.474(32 lines)
V-Active ( ms ) 12.80 (768 lines) 16.005 (1024lines) 12.804(1024 lines) 12.800(864 lines)
V-F-P ( ms ) 0.02 (1 lines) 0.016 (1 line ) 0.013 (1 lines) 0.015(1 lines)
SYNC. H/V +/+ +/+ +/+ +/+
POLARITY
SEP . SYNC Y Y Y Y
MODE NO. 17 18 19 20
RESOLUTION
1280 x 960 1600 x 1200 1280 x 720 1280 x 768
Dot clock(MHz)
108 162 74.176 79.5
f h
60.000 KHz 75.000 KHz 44.955KHz 47.776KHz
H-Total ( us ) 16.667 (1800dots) 13.333 (2160 dots) 22.244 (1650dots) 20.931 (1664dots)
H-Sync ( us ) 1.037 ( 112 dots) 1.185 ( 192 dots) 0.539 ( 40 dots) 1.61 ( 128 dots)
H-B-P ( us ) 2.889 (312 dots) 1.877 (304 dots) 2.966 (220 dots) 2.415 (192 dots)
H-Active ( us ) 11.852 (1280 dots) 9.877 (1600 dots) 17.256 (1280 dots) 16.101 (1280 dots)
H-F-P ( us ) 0.889 (96 dots) 0.395 (64 dots) 1.483 (110 dots) 0.805 (64 dots)
f v
60.00Hz 60.00 Hz 59.94Hz 59.87Hz
V-Total (ms ) 16.667 (1000 lines) 16.667 (1250lines) 16.683 (750 lines) 16.703 (798 lines)
V-Sync ( ms ) 0.050 (3 lines) 0.040 (3 lines) 0.111 (5 lines) 0.147 (7 lines)
V-B-P (ms ) 0.600 (36 lines) 0.613 (46 lines) 0.445 (20 lines) 0.419 (20 lines)
V-Active ( ms ) 16.000 (960 lines) 16.000 (1200lines) 16.016 (720 lines) 16.075 (768 lines)
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