Service manual

5
ViewSonic Corporation Confidential
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Do Not Copy N3250w-G
3.2. FACTORY SUPPORTING
MODES
ITEM 1 2 3 4
TIMING 640×480 60HZ 640×480 75HZ 800×600 60HZ 800×600 75HZ
Pixel Rate 25.175MHZ 31.500MHZ 40.000MHZ 49.500MHZ
H TOTAL 31.778us 26.667us 26.400us 21.333us
H DISPLAY 25.422us 20.317us 20.000us 16.162us
H B-Porch 1.907us 3.810us 2.200us 3.232us
H Width 3.813us 2.032us 3.200us 1.616us
H Border 0.318us 0.000us 0.000us 0.000us
V TOTAL 16.683ms 13.334ms 16.579ms 13.333ms
V DISPLAY 15.253ms 12.800ms 15.840ms 12.800ms
V B-Porch 1.049ms 0.427ms 0.607ms 0.448ms
Vs Width 0.064ms 0.080ms 0.106ms 0.064ms
V Border 0.254ms 0.000ms 0.000ms 0.000ms
H/V Sync -/- -/- +/+ +/+
Interlace No. No. No. No.
ITEM 5 6 7 8
TIMING 1024×768 60HZ 1024×768 75HZ 1280×720 60HZ 1280×768 60HZ
Pixel Rate 65.000MHZ 78.750MHZ 74.250MHZ 65.000MHZ
H TOTAL 20.677us 16.660us 22.222us 20.677us
H DISPLAY 15.754us 13.003us 17.239us 15.754us
H B-Porch 2.462us 2.235us 2.936us 2.462us
H Width 2.092us 1.219us 1.007us 2.092us
H Border 0.000us 0.000us 0.000us 0.000us
V TOTAL 16.666ms 13.328ms 16.667ms 16.666ms
V DISPLAY 15.880ms 12.795ms 16.000ms 15.880ms
V B-Porch 0.600ms 0.466ms 0.444ms 0.600ms
Vs Width 0.124ms 0.050ms 0.111ms 0.124ms
V Border 0.000ms 0.000ms 0.000ms 0.000ms
H/V Sync -/- +/+ -/- -/-
Interlace No. No. No. No.