ViewSonic VX800-3, Service Manual

Page: 11 / 85

2.3.4.3 Audio Connector
2.5 mm Stereo jack x 1,
3.5mm Microphone jack x 1
2.3.5 Signal Timing
2.3.5.1 User Timing Mode memory
Always do auto image adjust after timing mode change
2.3.5.2 Timing mode Change
Maximum time for mode Change with auto image adjust 7 sec.
2.3.5.3 Signal Timing Table
The factory test input video signal is defined as the following table:
Preset H.sync V.sync SYNC POL. Video Mode Description
No. Frequency Frequency H-
SYNC V-
SYNC
MOD [1] 31.468 ±1.0KHz 70.0 ±1.0Hz + - 640X350(70) Text mode
MOD [2] 31.468 ±1.0KHz 70.0 ±1.0Hz - + 720X400(70) Dos text
MOD [3] 31.468 ±1.0KHz 59.94 ±1.0Hz - - 640X480(60) VESA STANDARD
MOD [4] 35.01 ±1.0KHz 66.67 ±1.0Hz - - 640X480(66) MAC
MOD [5] 37.86 ±1.0KHz 72.81 ±1.0Hz - - 640X480(72) VESA STANDARD
MOD [6] 37.5 ±1.0KHz 75.0 ±1.0Hz - - 640X480(75) VESA STANDARD
MOD [7] 43.27 ±1.0KHz 85.0 ±1.0Hz - - 640X480(85) VESA STANDARD
MOD [8] 35.16 ±1.0KHz 56.25 ±1.0Hz + + 800X600(56) VESA STANDARD
MOD [9] 37.88 ±1.0KHz 60.32 ±1.0Hz + + 800X600(60) VESA STANDARD
MOD [10] 48.077 ±1.0KHz 72.19 ±1.0Hz + + 800X600(72) VESA STANDARD
MOD [11] 46.875 ±1.0KHz 75.0 ±1.0Hz + + 800X600(75) VESA STANDARD
MOD [12] 53.67 ±1.0KHz 85.0 ±1.0Hz + + 800X600(85) VESA STANDARD
MOD [13] 49.72 ±1.0KHz 74.5 ±1.0Hz - - 832X624(75) MAC
MOD [14] 48.363 ±1.0KHz 60.0 ±1.0Hz - - 1024X768(60) VESA STANDARD
MOD [15] 58.01 ±1.0KHz 72.08 ±1.0Hz - - 1024X768(72) VESA STANDARD
MOD [16] 60.023 ±1.0KHz 75.0 ±1.0Hz + + 1024X768(75) VESA STANDARD
MOD [17] 68.67 ±1.0KHz 85.0 ±1.0Hz + + 1024X768(85) VESA STANDARD
MOD [20] 63.981 ±1.0KHz 60.02 ±1.0Hz + + 1280X1024(60) VESA STANDARD
MOD [21] 79.976 ±1.0KHz 75.0 ±1.0Hz + + 1280X1024(75) VESA STANDARD
2.4 Luminance Control
Analog signal (6500K)
Over 2
0
0 cd / m
2
(@ Cont / Bright max)
Digital signal (6500K)
7!
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VX 8 00-3