Service manual
ViewSonic Corporation Confidential - Do Not Copy VX1935wm-1
6
ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency 24 – 80 kHz
Vertical Refresh Rate 50 – 75 Hz.
Maximum Pixel Clock 135 MHz
Sync Polarity Independent of sync polarity.
Timing Table
fH fV Dot cloc
k
S
ync polarit
y
Horizontal (dot) Vertical (line)
Mod
e
Resolution (KHz) (Hz) (MHz) H V A B C D E O P Q R S
備註
1
6
40×350 @70Hz VG
A
31.46970.087 25.175 P N 800 96 48 640 16 449 2 60 350 37
2
6
40×350 @85Hz VG
A
37.86185.080 31.500 P N 832 64 96 640 32 445 3 60 350 32
Performance no
guarantee
3
6
40×400 @60Hz VG
A
31.46959.940 25.175 N P 800 96 48 640 16 525 2 73 400 50
Performance no
guarantee
4
6
40×400 @70Hz VG
A
31.46970.087 25.175 N P 800 96 48 640 16 449 2 35 400 12
5
6
40×400 @85Hz VG
A
37.86185.080 31.500 N P 832 64 96 640 32 445 3 41 400 1
Performance no
guarantee
6
6
40×480 @50Hz VG
A
24.68849.637 19.750 N P 800 64 80 640 16 497 4 10 480 3
Performance no
guarantee
7
6
40×480 @60Hz VG
A
31.46959.940 25.175 N N 800 96 48 640 16 526 2 33 480 11
8
6
40×480 @67Hz MA
C
35.00066.667 30.240 N N 864 64 96 640 64 525 3 39 480 3 SOG can support
9
6
40×480 @72Hz VG
A
37.86172.809 31.500 N N 832 40 128 640 24 520 3 28 480 9
10
6
40×480 @75Hz VG
A
37.50075.000 31.500 N N 840 64 120 640 16 500 3 16 480 1
11
6
40×480 @85Hz VG
A
43.26985.008 36.000 N N 832 56 80 640 56 509 3 25 480 1
Performance no
guarantee
12
7
20×400 @70Hz VG
A
31.46970.087 28.322 N P 900 108 45 720 27 449 2 35 400 12
13
7
20×400 @85Hz VG
A
37.92785.039 35.500 N P 936 72 108 720 36 446 3 42 400 1
Performance no
guarantee
fH fV Dot clock
Sync
polarity
Horizontal (dot) Vertical (line)
Mod
e
Resolution (KHz) (Hz) (MHz) H V A B C D E O P Q R S
備註
14 720x480@60Hz 31.469 59.940 27.000 N N 858 62 76 720 0 525 6 39 480 0
Performance no
guarantee
15 720x576 @50Hz 31.250 50.000 27.000 N N 864 64 12 720 68 625 5 5 576 39
Performance no
guarantee
16
800×600 @56Hz
SVGA
35.156 56.250 36.000 P P 1024 72 128 800 24 625 2 22 600 1
17
800×600 @60Hz
SVGA
37.879 60.317 40.000 P P 1056 128 88 800 40 628 4 23 600 1
18
800×600 @72Hz
SVGA
48.077 72.188 50.000 P P 1040 120 64 800 56 666 6 23 600 37
19
800×600 @75Hz
SVGA
46.875 75.000 49.500 P P 1056 80 160 800 16 625 3 21 600 1
20
800×600 @85Hz
SVGA
53.674 85.061 56.250 P P 1048 64 152 800 32 631 3 27 600 1
Performance no
guarantee
21
832×624 @74.6Hz
MAC
49.725 74.500 57.283 N N 1152 64 224 832 32 667 3 39 624 1 SOG can support
22 1024×768 @50Hz XGA 39.643 49.980 52.000 N P 1312 104 144 1024 40 793 4 18 768 3
Performance no
guarantee
23 1024×768 @60Hz XGA 48.363 60.004 65.000 N N 1344 136 160 1024 24 806 6 29 768 3
24 1024×768 @70Hz XGA 56.476 70.069 75.000 N N 1328 136 144 1024 24 806 6 29 768 3
25 1024×768 @75Hz XGA 60.023 75.029 78.750 P P 1312 96 176 1024 16 800 3 28 768 1
26
1024×768 @75Hz
MAC
60.150 74.720 80.000 N N 1330 96 168 1024 42 805 3 31 768 3
27 1024×768 @85Hz XGA 68.677 84.997 94.500 P P 1376 96 208 1024 48 808 3 36 768 1
Performance no
guarantee
28
1152×864 @75Hz
SXGA
67.500 75.000 108.000 P P 1600 128 256 1152 64 900 3 32 864 1
29 1152×870 @75Hz MAC 68.681 75.062 100.000 N N 1456 128 144 1152 32 915 3 39 870 3 SOG can support
30 1280×768@50Hz 39.593 49.929 65.250 N P 1648 128 184 1280 56 793 7 15 768 3
Performance no
guarantee
31 1280×768 @60Hz 47.396 59.995 68.250 P N 1440 32 80 1280 48 790 7 12 768 3
32 1280×768 @60Hz 47.776 59.870 79.500 N P 1664 128 192 1280 64 798 7 20 768 3
33 1280×768 @75Hz 60.289 74.893 102.250 N P 1696 128 208 1280 80 805 7 27 768 3
34 1280×768 @85Hz 68.633 84.837 117.500 N P 1712 136 216 1280 80 809 7 31 768 3
Performance no
guarantee
35 1280×960 @50Hz 49.405 49.853 83.000 N P 1680 128 200 1280 72 991 4 3 960 3
Performance no
guarantee
36 1280×960 @60Hz 60.000 60.000 108.000 P P 1800 112 312 1280 96 1000 3 36 960 1