ViewSonic VX2235wm-3 Service Manual page 8

22” color tft lcd display
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4-4
ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity
Timing Table
Timing
1
640 x 350
@
2
640 x 350
@
3
640 x 400
@
4
640 x 400
@
5
640 x 400
@
6
640 x 480
@
7
640 x 480
@
8
640 x 480
@
9
640 x 480
@
10
640 x 480
@
11
640 x 480
@
12
720 x 400
@
13
720 x 400
@
14
720 x 480
@
15
720 x 576
@
17
800 x 600
@
18
800 x 600
@
19
800 x 600
@
20
800 x 600
@
21
800 x 600
@
22
832 x 624
@
23
1024 x 768
@
24
1024 x 768
@
25
1024 x 768
@
26
1024 x 768
@
27
1024 x 768
@
28
1024 x 768
@
29
1152 x 864
@
30
1152 x 870
@
32
1280 x 768
@
33
1280 x 768
@
34
1280 x 768
@
35
1280 x 768
@
ViewSonic Corporation
70 Hz,
31.5 KHz
 
85 Hz,
37.9 KHz
 
60 Hz,
31.5 KHz
 
70 Hz,
31.5 KHz
 
85 Hz,
37.9 KHz
 
50 Hz,
24.7 KHz
 
60 Hz,
31.5 KHz
 
67 Hz,
35 KHz
 
72 Hz,
37.9 KHz
 
75 Hz,
37.5 KHz
 
85 Hz,
43.3 KHz
 
70 Hz,
31.5 KHz
 
85 Hz,
37.9 KHz
 
60 Hz,
31.5 KHz
 
50 Hz,
31.3 KHz
 
56 Hz,
35.1 KHz
 
60 Hz,
37.9 KHz
 
72 Hz,
48.1 KHz
 
75 Hz,
46.9 KHz
 
85 Hz,
53.7 KHz
 
75 Hz,
49.7 KHz
 
50 Hz,
39.6 KHz
 
60 Hz,
48.4 KHz
 
70 Hz,
56.5 KHz
 
75 Hz,
60 KHz
 
75 Hz,
60.2 KHz
 
85 Hz,
68.7 KHz
 
75 Hz,
67.5 KHz
 
75 Hz,
68.7 KHz
 
50 Hz,
39.6 KHz
 
60 Hz,
47.4 KHz
 
60 Hz,
47.8 KHz
 
75 Hz,
60.3 KHz
 
24 – 82 KHZ
50 – 85* HZ
170 MHz
Independent of sync polarity.
Analog
For Analog sync, OSD will be
 
   
640x350/640x400/720x400 (primary= 720x400).
For Analog sync, OSD will be
 
   
640x350/640x400/720x400 (primary= 720x400).
For Analog sync, switch 640x400@60Hz and
640x480@60Hz by [1]+[2] short cut key (primary =
 
   
640x480@60Hz)
For Analog sync, OSD will be
 
   
640x350/640x400/720x400 (primary= 720x400).
For Analog sync, OSD will be
 
   
640x350/640x400/720x400 (primary= 720x400).
 
 
For Analog sync, switch 640x400@60Hz and
640x480@60Hz by [1]+[2] short cut key (primary =
 
   
640x480@60Hz)
 
   
 
   
 
   
 
   
For Analog sync, OSD will be
 
   
640x350/640x400/720x400 (primary= 720x400).
For Analog sync, OSD will be
 
   
640x350/640x400/720x400 (primary = 720x400).
    For Analog sync, information OSD shows 640x480
 
    For Analog sync, information OSD shows 800x600
 
 
   
 
   
 
   
 
   
 
   
 
   
For Analog sync, Switch 1024x768@50Hz and
1280x768@50Hz by [1]+[2] short cut key (primary =
 
   
1024x768@50Hz)
 
   
 
   
 
   
 
   
 
   
 
   
 
   
For Analog sync, Switch 1024x768@50Hz and
1280x768@50Hz by [1]+[2] short cut key (primary =
 
   
1024x768@50Hz)
 
   
 
   
    For Analog sync, Switch 1024x768@75Hz and
 
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5
Remark
VX2235wm-3

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