ViewSonic VP231WB - 23" LCD Monitor, Service Manual

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Mode No.
20 21 22 23 24 25 26 27 28 29
Mode Name
APPLE
1152x
870
VESA
1280 x
960
VESA
1280 x
960
VESA
1280 x
1024
VESA
1280 x
1024
VESA
1280 x
1024
HDTV
1280 x
720
VESA
1600 x
1200
VESA
1920 x
1200
1080i
1920X
540
Horizontal Freq. (KHz) 68.681 60.000 75.231 63.981 79.976 91.146 45.000 75.000 74.038 33.75
Video clock Freq. 100.00 108.00 130.00 108.00 135.00 157.50 74.250 162.00 154.00 74.25
Sync. Polarity － ＋ － ＋ ＋ ＋ － ＋ ＋ －
H. total (Dots) 1456 1800 1728 1688 1688 1728 1650 2160 2080 2200
H. sync. (Dots) 128 112 136 112 144 160 40 192 32 44
H. back porch (Dots) 144 312 224 248 248 224 270 304 80 192
H. active (Dots) 1152 1280 1280 1280 1280 1280 1280 1600 1920 1920
H. front porch (Dots) 32 96 88 48 16 64 60 64 48
Vertical Freq. (Hz) 75.062 60.000 74.857 60.020 75.025 85.024 60.000 60.000 59.950 30.00
Sync. Polarity － ＋ ＋ ＋ ＋ ＋ － ＋ － －
V. total (Lines) 915 1000 1005 1066 1066 1072 750 1250 1235 562.5
V. sync. (Lines) 3 3 4 3 3 3 5 3 6 5
V. back porch (Lines) 39 36 38 38 38 44 20 46 26 15
V. active (Lines) 870 960 960 1024 1024 1024 720 1200 1200 1080
V. front porch (Lines) 3 3 1 1 1 5 1 3
ViewSonic Corporation
Co
nfidential
-
Do Not Copy VP231wb
Appendix B: EEPROM contents.
a. IC954 128 bytes EEPROM of VSC USB Vendor ID.
0 1 2 3 4 5 6 7 8 9
0 05 43 11 69 0E 00 18 00 0A 00
10 31 80 FF FF FF FF FF FF FF FF
20 FF FF FF FF FF FF FF FF FF FF
30 FF FF FF FF FF FF FF FF FF FF
40 FF FF FF FF FF FF FF FF FF FF
50 FF FF FF FF FF FF FF FF FF FF
60 FF FF FF FF FF FF FF FF FF FF
70 FF FF FF FF FF FF FF FF FF FF
80 FF FF FF FF FF FF FF FF FF FF
90 FF FF FF FF FF FF FF FF FF FF
100 FF FF FF FF FF FF FF FF FF FF
110 FF FF FF FF FF FF FF FF FF FF
120 FF FF FF FF FF FF FF FF
6