BenQ G2220HD - 21.5" LCD Monitor, Service Manual

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6
Cable not
connect
No VGA cable or DVI cable Message ‘’No cable connected !’’ on screen
3.4 Support Timings
BenQ customer preset Timings are as below:
P: Preset Mode
NP: Non Preset Mode
FS: Fail Save Mode (shows “Out of Range”, but still can see picture)
O: Out of Range (only show “Out of Range”, without picture)
Pixel
No.
Format
Horz Freq (kHz) Horz Polarity Vert Freq (Hz) Vert Polarity Pixel Clk (MHz) Mode
1 640x350 31.47 + 70.09 - 25.18 Preset
2 640x350 37.86 + 85.08 - 31.50 Fail Safe Mode
3 640x400 31.47 - 70.09 + 25.18 Non Preset
4 640x400 37.86 - 85.08 + 31.5 Fail Safe Mode
5 640x480 35.00 - 66.67 - 30.24 Non Preset
6 640x480 31.47 - 59.94 - 25.17 Preset
7 640x480 37.86 - 72.81 - 31.50 Non Preset
8 640x480 37.50 - 75.00 - 31.50 Preset
9 640x480 43.27 - 85.01 - 36.00 Fail Safe Mode
10 640x500 31.00 - 57.76 - 25.25 Non Preset
11 720x400 31.47 - 70.08 + 28.32 Preset
12 720x400 37.93 - 85.04 + 35.5 Fail Safe Mode
13 832x624 49.71 - 74.53 - 57.27 Preset
14 800x600 35.16 + 56.25 + 36.00 Non Preset
15 800x600 37.88 + 60.32 + 40.00 Preset
16 800x600 48.08 + 72.19 + 50.00 Non Preset
17 800x600 46.88 + 75.00 + 49.50 Preset
18 800x600 53.67 + 85.06 + 56.25 Fail Safe Mode
19 848x480 31.02 + 60.00 + 33.75 Non Preset
20 848x480 29.83 - 59.66 + 31.50 Non Preset
21 848x480 35.00 - 70.00 + 37.52 Non Preset
22 848x480 36.07 - 72.00 + 39.25 Non Preset
23 848x480 37.68 - 74.77 + 41.00 Non Preset
24 720x576 35.910 - 59.950 + 32.71 Non Preset
25 1024x768- I 35.52 + 43.48 + 44.9 Fail Safe Mode
26 1024x768 48.36 - 60.00 - 65.00 Preset
27 1024x768 56.48 - 70.07 - 75.00 Non Preset
28 1024x768 57.67 - 72.00 + 78.43 Non Preset
29 1024x768 60.24 - 74.93 - 80.00 Preset
30 1024x768 60.02 + 75.03 + 78.75 Preset
31 1024x768 68.68 + 85.00 + 94.50 Fail Safe Mode
32 1152x720 44.86 - 60 + 66.75 Preset
33 1152x864 63.85 + 70.01 + 94.50 Non Preset
34 1152x864 67.50 + 75.00 + 108.00 Non Preset
35 1152x864 77.09 - 85.00 + 119.651 Fail Safe Mode
36 1152x870 68.68 - 75.06 - 100.00 Preset
37 1152x900 61.80 - 65.95 - 92.94 Preset
38 1152x900 71.73 - 76.07 - 105.59 Non Preset
39 1280x720 45.00 - 59.94 + 74.25 Preset
40 1280x720 44.77 - 59.86 + 74.50 Preset
41 1280x720 56.46 - 74.78 + 95.75 Preset
42 1280x768 -R 47.40 + 60.00 - 68.25 Preset
43 1280x768 47.78 - 59.87 + 79.50 Preset
44 1280x768 60.29 - 74.89 + 102.25 Non Preset
45 1280x768 68.63 - 84.84 + 117.50 Fail Safe Mode
46 1280x800 49.31 + 59.91 + 71 Non Preset
47 1280x800 49.702 - 59.81 + 83.50 Preset
48 1280x800 58.3 - 70 + 88.25 Non Preset
49 1280x800 60.048 - 72 + 102.8 Non Preset
50 1280x800 62.795 - 74.934 + 106.6 Preset
51 1280x800 71.55 - 84.88 + 122.5 Fail Safe Mode
52 1280x960 60.00 + 60.00 + 108.00 Preset
53 1280x960 85.94 + 85.00 + 148.50 Fail Safe Mode
54 1280x1024 63.98 + 60.02 + 108.00 Preset
55 1280x1024 74.88 + 69.85 + 126.99 Non Preset
56 1280x1024 74.40 - 70.00 - 124.90 Non Preset
57 1280x1024 77.90 + 72.00 + 134.60 Non Preset