Service manual

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20 Reserved 20 Reserved. No connection
21 Reserved 21 Reserved. No connection
22 GND Logic Ground
23 RXC+ TMDS positive differential input, reference clock
24 RXC- TMDS negative differential input, reference clock
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.s
y
nc V.s
y
nc SYN
C
POL. Video Mode Descri
p
tion
No. Frequency Frequency H- V-
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
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ViewSonic Corporation
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