Service manual

The factory test input video signal is defined as the following table:
Pr
eset
H.
sy
n
c
V.
sy
n
c
S
YN
C
P
O
L.
V
i
deo
M
ode
D
esc
ri
pt
i
o
n
No. Frequency Frequency H-SYNC
V
-SYNC
MOD [1] 31.468 ±1.0KHz 70.0 ±1.0Hz + - 640X350(70)
T
ext 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)
V
ESA 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)
V
ESA STANDARD
MOD [6] 37.5 ±1.0KHz 75.0 ±1.0Hz - - 640X480(75)
V
ESA STANDARD
MOD [7]
4
3.27 ±1.0KHz 85.0 ±1.0Hz - - 640X480(85)
V
ESA STANDARD
MOD [8] 35.16 ±1.0KHz 56.25 ±1.0Hz + + 800X600(56)
V
ESA STANDARD
MOD [9] 37.88 ±1.0KHz 60.32 ±1.0Hz + + 800X600(60)
V
ESA STANDARD
MOD [10]
4
8.077 ±1.0KHz 72.19 ±1.0Hz + + 800X600(72)
V
ESA STANDARD
MOD [11]
4
6.875 ±1.0KHz 75.0 ±1.0Hz + + 800X600(75)
V
ESA STANDARD
MOD [12] 53.67 ±1.0KHz 85.0 ±1.0Hz + + 800X600(85)
V
ESA STANDARD
MOD [13]
4
9.72 ±1.0KHz 74.5 ±1.0Hz - - 832X624(75) MAC
MOD [14]
4
8.363 ±1.0KHz 60.0 ±1.0Hz - - 1024X768(60)
V
ESA STANDARD
MOD [15] 58.01 ±1.0KHz 72.08 ±1.0Hz - - 1024X768(72)
V
ESA STANDARD
MOD [16] 60.023 ±1.0KHz 75.0 ±1.0Hz + + 1024X768(75)
V
ESA STANDARD
MOD [17] 68.67 ±1.0KHz 85.0 ±1.0Hz + + 1024X768(85)
V
ESA STANDARD
MOD [20] 63.981 ±1.0KHz 60.02 ±1.0Hz + + 1280X1024(60)
V
ESA STANDARD
MOD [21] 79.976 ±1.0KHz 75.0 ±1.0Hz + + 1280X1024(75)
V
ESA STANDARD
2.4 Luminance Control
Analog signal (6500K)
Over 200 cd / m
2
(@ Cont / Bright max)
Digital signal (6500K)
Over 200 cd / m
2
(@ Cont / Bright max)
2.5. Synchronization
Horizontal: 30 to 83 kHz
Vertical: 50 to 75 Hz Non-interlaced
maximum 75Hz @ 1280 x 1024 mode
Recommended 60Hz @ 1280 x 1024 mode
8!
ViewSonic Corporation
Confidential – Do Not Copy VX700-3