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ViewSonic Corporation
Confidential - Do Not Copy
VG1921wm-2
6
5 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
30 – 82 kHz
Vertical Refresh Rate
50 – 75* Hz.
Maximum Pixel Clock
135 MHz
Sync Polarity
Independent of sync polarity.
Timing Table
Analog
Item Timing
Sep
arated
Comp
osite
SOG
Digit
al -
T
M
D
S
Remark
1
640 x 350 @
70 Hz, 31.5 KHz
DMT
2
640 x 400 @
60 Hz, 31.5 KHz
3
640 x 400 @
70 Hz, 31.5 KHz
4
640 x 480 @
50 Hz, 24.7 KHz
5
640 x 480 @
60 Hz, 31.5 KHz
DMT
6
640 x 480 @
67 Hz,
35 KHz
For MAC
7
640 x 480 @
72 Hz, 37.9 KHz
DMT
8
640 x 480 @
75 Hz, 37.5 KHz
DMT
9
720 x 400 @
70 Hz, 31.5 KHz
10
720 x 480 @
60 Hz, 31.5 KHz
DTV
11
720 x 576 @
50 Hz, 31.3 KHz
DTV
12
800 x 600 @
56 Hz, 35.1 KHz
DMT
13
800 x 600 @
60 Hz, 37.9 KHz
DMT
14
800 x 600 @
72 Hz, 48.1 KHz
DMT
15
800 x 600 @
75 Hz, 46.9 KHz
DMT
16
832 x 624 @
75 Hz, 49.7 KHz
MAC
17 1024 x 768 @
50 Hz, 39.6 KHz
18 1024 x 768 @
60 Hz, 48.4 KHz
DMT
19 1024 x 768 @
70 Hz, 56.5 KHz
DMT
20 1024 x 768 @
72 Hz, 58.1 KHz
21 1024 x 768 @
75 Hz,
60 KHz
DMT
22
1024 x 768 @
75 Hz, 60.2 KHz
For MAC
23
1152 x 864 @
75 Hz, 67.5 KHz
DMT
24
1152 x 870 @
75 Hz, 68.7 KHz
For MAC
25
1152 x 900 @
67 Hz, 62.5 KHz
For SUN
26 1280 x 720 @
50 Hz, 37.5 KHz
DTV
27 1280 x 720 @
60 Hz,
45 KHz
DTV
28 1280 x 768 @
50 Hz, 39.6 KHz
Summary of Contents for VG1921wm-2
Page 5: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 2 4 Handling and Placing Methods...
Page 6: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 3...
Page 35: ...Disassembly Procedure ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 32...
Page 36: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 33...
Page 37: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 34...
Page 38: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 35...
Page 51: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 48...
Page 61: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 58 11 PCB Layout Diagrams...
Page 62: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 59...