Viewsonic VX700-3 Service Manual 1a
Service Manual
ViewSonic VX700-3
Model No.VLCDS26104-3W
17” Color TFT LCD Display
(VX700-3_SM_648 -Rev.1a-Feb 2003)
ViewSonic
381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
Copyright
Copyright¤ 2002 by ViewSonic Corporation. All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or
computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical,
manual or otherwise, without the prior written permission of ViewSonic Corporation.
Disclaimer
ViewSonic makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular
purpose. Further, ViewSonic reserves the right to revise this publication and to make changes from time
to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or
changes.
Trademarks
ViewSonic is a registered trademark of ViewSonic Corporation.
All other trademarks used within this document are the property of their respective owners.
Revision History
Revision Date Description Of Changes Approval
1a 02/07/03 Initial Reversion DCN-3052 C.Shen
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Content
1. Engineering Specifications . ...........................................................................................1
1. Scope ..........................................................................................................................1
2. Electrical Characteristics .............................................................................................4
3. Mechanical Characteristics .......................................................................................14
4. Packaging .................................................................................................................15
5. Environmental Characteristics...................................................................................15
6. Factory setting...........................................................................................................15
Appendix I Preset Signal Timings ..............................................................................17
Analog timing mode table.......................................................................................18
Digital timing mode table........................................................................................20
Appendix II EDID Code...............................................................................................23
Analog....................................................................................................................23
Digital .....................................................................................................................23
Appendix III Label Printing..........................................................................................25
ID LABEL ...............................................................................................................25
Bar Code label/Serial No Label ..............................................................................25
2. Front Panel Function Control Description...................................................................26
1. User control functions................................................................................................26
2. OSD operation flow ...................................................................................................27
3. Circuit Description .........................................................................................................38
1. Interface Board..........................................................................................................38
2. Audio Board ..............................................................................................................42
4. Troubleshooting Flow Chart .........................................................................................45
1. Figure of Waveform...................................................................................................45
2. No Display on Screen (Screen is black, LED is off)...................................................48
3. No Display on Screen ( LED is green).......................................................................49
4. No Power On.............................................................................................................50
5. No Sound (Test signal: 1r.m.s sine waveform ) .........................................................51
6. Show “No Signal” on screen......................................................................................53
7. Keypad can not work.................................................................................................53
5. Adjust Procedure ...........................................................................................................54
1. Preparation Of Manual Alignment .............................................................................47
2. Color Temperature Alignment....................................................................................48
3. Factory Preset Setting...............................................................................................50
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6. Mechanical Assembly....................................................................................................59
7. Schematic Daigrams......................................................................................................65
8. PCB LAYOUT..................................................................................................................74
9. Recommended Spare Parts List ...................................................................................76
10. Complete Parts List .....................................................................................................78
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1. Engineering Specifications
1. Scope
The following specifications are applicable to model VX700-3 17 inch color LCD monitor.
General Description (VX700-3)
LCD
Chi-Mei 17.0” SXGA TFT- MVA (premium)
Size
Effective Display Size
Pixel Pitch
Resolution
Brightness
Contrast Ratio
Color
Viewing Angle
Surface treatment
Input Signals RGB
Analog 0.7 Vp-p /
75ȍ
17.0 inches diagonal
337.92 mm X 270.34 mm (typical)
0.264 mm X 0.264 mm
1280 x 1024 dot (SXGA)
250 cd / m² (typ.), 200 min.
(500):1(typ.), 350 min.
16,777,216
Up 85° Down 85° (typical)
Left 85° Right 85°(typical)
CR>10:1
Anti-Glare
Positive Polarity
TTL level
Separate sync.
Composite sync
Sync-On-Green
Digital
TMDS.
Input connector Analog mini D-sub 15 pin x 1
Digital DVI-D x 1
Audio min-Din 2 channel x 2
Micro-phone jack
Speaker Max 3W x 2
Main IC GM5120
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Display Colors 16,777,216
Preset Timings SXGA/60Hz, 75Hz,
XGA/60Hz, 70Hz, 75Hz, 85Hz
SVGA/56Hz, 60Hz, 72Hz, 75Hz, 85Hz
VGA/60Hz, 72Hz, 75Hz, 85Hz
Dos-text/70Hz
Synchronization Horizontal
Vertical
30 kHz to 83 kHz
50 Hz to 75 Hz
(automatically)
(automatically)
Non-interlaced
Max Pixel Rated
135Mhz
Resolution Horizontal
Vertical
Active Display
Area
Horizontal
Vertical
1280 dots
1024 lines
337.92 mm (typical)
270.34 mm (typical)
(Active display area is dependent upon signal timings)
Power Supply
AC adapter input AC90V-264V 50 / 60 Hz
Rating
AC Power
Consumption
45W
less than 3W
On mode
Off mode( w/o audio cable connected )
Current Rating AC input
DC input
Dimensions Net
Gross
Weight Net
Gross
Environmental
Conditions
Operating
Temperature
Operating Humidity
Storage Temperature
Storage Humidity
0.7A
4.0A
@AC 100-240V
@DC 12.0V
410 (W) x 432 (H) x 180.6 (D) mm
486 (W) x 525 (H) x 275 (D) mm
6.0Kg
8.7Kg
0 to 50°C (PANEL SURFACE)
20 to 80% ( no condensation, <
wetbulb 29 degree C )
-20 to 60°C
5 to 85% ( no condensation, <
wetbulb 29 degree C )
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Accessories AC power cord-UL
1.8m
Regulatory
Standards
AC power cord-Schuko
Analog VGA cable
DVI-D cable
Audio cable
Micphone cable
ViewSonic CD-Wizard
1.8m
1.8m
1.8m
1
1
1
UL, CSA or cUL, CB Report, CE, FCC-B, DOC-B, TUV/Ergo
(which covers ISO13406-2 and MPRIII), TUV/GS, PCT
(GOST-R) with 20 Hygienic certificates, PCBC (B Mark),
SEMKO, DEMKO, FIMKO, NEMKO, BSMI, VCCI, CCIB/EMC,
CCEE, PSB (Singapore Safety), TCO’99, NOM and Argentina
IRAM (thru TUV).
Osd Language English, French, German, Spanish, Finnish, Italian, Japanese,
Traditional Chinese, Simplified Chinese
Others Tilt Angle 20° up / 5° down
Power Saving System
User Control with On Screen Display- VESA DDC1/2B
compatible ( digital port DDC2B only)
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2. Electrical Characteristics
2.1 Power Supply
2.1.1 AC Input
Input Voltage AC90-264V
Frequency 47 / 63Hz
Power Consumption:
45 W (typ) on mode
Less than 3W power save mode (audio cable not connected)
Current Rating 0.7A @ AC100-240V
2.2 LCD
LCD Chi-Mei panel(TFT-MVA)
Effective display size 337.92 (H) x 270.34 (V) mm (typ)
17.0” / 43 cm diagonal
Pixel number 1280 x 1024 pixels
Color filter arrangement R.G.B. vertical stripe
Display method TFT, normally black
Drive method Active matrix (TFT) - MVA
Dot pitch 0.088 (H) x 0.264 (V) mm
Pixel pitch 0.264 (H) x 0.264 (V) mm
Dot number 1280 x 1024 x 3 dots
Backlight Edge-lighting type with 4 CCFLs
(Cold Cathode Fluorescent Tube)
Brightness 200 cd / m2(min: center / all white)
Contrast ratio 350:1 (min)
Display color 16,777,216
Typical viewing angle Up 85° / down 85° / right 85° / left 85°
(Contrast ratio>10 at Ta=25°C, 77°F)
Response time 25 msec (Typical at 25 degree C)
2.3 Interface Signals
2.3.1 RGB Video Signals
2.3.1.1 Separate Sync. Signals
Analog R, G, B 0 - 0.7 Vp-p
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Signal Level 75ȍ± 5%
Sync Level TTL level
Sync Polarity independent
2.3.1.2 Sync On green, Composite Sync
2.3.2 TMDS digital Signals
2.3.2.1 Video type
DVI 1.0 compliant
2.3.3 Audio spec.
2.3.3.1 Line input connection
3.5 mm stereo jack x 1
2.3.3.2 Line input signal & impedance
1.3Vrms, 10 kOhm
2.3.3.3 OUTPUT SIGNAL AT SPEAKER TERMINAL
3W @ < 5% DISTORTION
2.3.3.4 Frequency Response
400 Hz – 20 KHz
2.3.3.5 Connector PC99 requirement Audio in
Lime Green pantone # 577C
2.3.3.6 Cable length
1.8 m
2.3.3.7 Audio DPMS
Speakers stay on when the rest of the monitor is in power saving.
2.3.3.8 Speakers
Impedance 4 Ohm
Output Wattage 3.0W (max.) x 2
2.3.4 Input Signal Connectors
2.3.4.1 Analog RGB Video Input: 15 pin mini D-sub
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PIN NO. Separate Sync
1 RED
2 GREEN
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3 BLUE
4 GROUND
5 GROUND
6 GROUND
7 GROUND
8 GROUND
9 +5V
10 GROUND
11 N.C
12 SDA
13 H.SYNC
14 V.SYNC
15 SCL
5 1
15
2.3.4.2 Digital TMDS DVI-D Connector
24 pin DVI-D connector pin assignment
Pin No. Signal Name Description
10
6
11
1 RX2- TMDS negative differential input, channel 2
2 RX2+ TMDS positive differential input, channel 2
3 GND Logic Ground
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4 Reserved 4 Reserved. No connection
5 Reserved 5 Reserved. No connection
6 DDC-CLK DDC2B Clock
7 DDC-DAT DDC2B Data
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8 Reserved 8 Reserved. No connection
9 RX1- TMDS negative differential input, channel 1
10 RX1+ TMDS positive differential input, channel 1
11 GND Logic Ground
12 Reserved 12 Reserved. No connection
13 Reserved 13 Reserved. No connection
14 VCCX Power
15 GND Logic Ground
16 SENS SENSE Pin, Pull High
17 RX0- TMDS negative differential input, channel 0
18 RX0+ TMDS positive differential input, channel 0
19 GND Logic Ground
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
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eset
SYNC
Video Mode
escriptio
V
V
V
V
V
The factory test input video signal is defined as the following table:
Pr
H.sync V.sync
No. Frequency Frequency H-SYNC
POL.
-SYNC
D
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)
ESA 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)
ESA 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)
MOD [11] 46.875 ±1.0KHz 75.0 ±1.0Hz + + 800X600(75)
ESA STANDARD
ESA 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
n
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 200 cd / m2 (@ Cont / Bright max)
Digital signal (6500K)
Over 200 cd / m2 (@ 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
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2.6 Display Characteristics
2.6.1 Picture Size
Horizontal Width 337.92 mm (typical)
Vertical Width 270.34 mm (typical)
2.6.2 Optical Characteristics
General qualities: The following data was measured by BM7 of TOPCON
Data are panel optical data, for analog signal there are +- 5% tolerance.
Item Code Conditions Min. Typ. Max. Unit
Contrast CR
White
Brightness
L
VMAX
Uniformity of
Brightness
Response
Tpd All White ĺ All Black
At 25 degree
Right ĬR
Viewing Left ĬL
Angle Up ĭH
Down ĭL
White㧛Black at Image
Center
FULL White 200 250
Bmin
Bmax
All Black ĺ All White
CenterCR㧪10
350 (500)
70 80
㧙
10
15
㧙
㧙
㧙
㧙
85
85
85
85
㧙㧙
㧙
㧙
㧙
cd / m
2
%
ms
ms
Degree
㧙
Degree
㧙
Degree
㧙
Degree
㧙
Luminance
control
All White(digital signal
or analog 6500k)
Brightness at center of
>=200 (cont / bright
backlight max)
display surface
These characteristics were measured under the following conditions:
Temperature: 77 ± 6°F, 25 ± 5°C
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Cd / m
2
Viewing angle:
g
U = 0°, AR = 0°
A
Warm Up time: minimum 30 minutes
Measuring instrument: TOPCOM BM-7 Luminance Meter
Measuring distance: 500 mm
Measuring angle: 2°
500mm
BM-7
2 Degree
Notes:
(Note 1) Contrast ratio is defined as the following formula.
Brightness(Luminance) with all pixels at "w h i t e "
Bri
Contrast ratio =
htness with allpixels at "black"
(Note 2) Viewing angle is measured as follows:
0QTOCN
Ǿࠑǰࠑ
ǰ .ࠑ
:
QENQEM
;
Ǿ .ࠑ
ǰ.
Ǿ.
’
Ǿ*
ǰ4
QENQEM
Ǿ *ࠑ
;
’
:
ǰ 4ࠑ
(Note 3) Definition of response time is as follows:
Response time is measured when the display data is changed from white to black.
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White(TFT OFF)
White
Optical
Response
Black(TFT ON) White(TFT OFF)
100
㧑
90
㧑
10
㧑
0
㧑
T
R
T
F
(Note 4) Judge points for brightness uniformity.
Brightness uniformity is judged at nine (9) points on display area:
128 512 896
98
384
670
(9)
(6)
(3)
(8)
(5)
(2)
(7)
(4)
(1)
Bmin
BUNI
㧩
Bmax
Bmax : Maximum Brightness
Bmin : Minimum Brightness
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2.6.3. LCD Panel
Mechanical
Active Area (mm) 337.92 x 270.34
Pixel pitch (mm) 0.264 (0.088x3)
Mass typical (g) 2200
Panel dimensions (WxDxH) mm 383.5x306x20 mm(typ)
Resolution 1280 x 1024
Surface Treatment with Haze value Anti-glare, 3H
Panel Model number M170E4-L02 (17” TFT)
Panel Interfaces Dual LVDS
Optical performance
Contrast ratio (500):1 Typical
350 :1 Minimum
Luminance of white(center) 250 nits Typical
200 nits Minimum
White Uniformity 75% (5 points measurement)
Chromaticity values (red, green, blue) center ‘x = +/- 0.030
‘y = +/- 0.030
Color temperature ‘x = 0.310 +/- 0.030
‘y = 0.330 +/- 0.030
EBU 85% Min
Colors True 8 bits (16.7M)
Viewing Angle H, V (CR >10) H=170 deg, V=170 deg
Film Used wide viewing film
Response time ms Typical Tr = 15ms ; Tf = 10ms
Maximum Tr = 30ms; Tf = 25ms
Number of Back Light(CCFL) 4 – Edge type back light
Backlight (hrs) 40,000 hours minimum; 50,000 hours typical
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2.7 Power Management
Unit will enter power saving mode under the following conditions:
Power Management condition and status
State Signals Power Video LCD LED
Horizontal Vertical Video Supply Circuit
On Pulses Pulses Active On On On Green
Stand-by No Pulses Pulses Blanking Off Off Amber
Suspend Pulses No
Off No Pulses No
Complete N/A N/A N/A Off Off
2.8 FullScan Capability
When the input display mode is not 1280x1024, the image area is changed as follows:
Flex Scan Input display Expanded Rate Expanded
Mode Mode Resolution Horizontal Vertical Resolution
Expansion 1 640x350 2 2.93 1280x1024
Expansion 2 640x400 2 2.56 1280x1024
Expansion 3 640x480 2 2.13 1280x1024
Pulses
Pulses
Expansion 4 720x400 1.78 2.56 1280x1024
Expansion 5 800x600 1.6 1.71 1280x1024
Expansion 6 832x624 1.54 1.64 1280x1024
Expansion 7 1024x768 1.25 1.33 1280x1024
Expansion 8 1152x864 1.11 1.19 1280x1024
Standard 1280x1024 1 1 1280x1024
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3. Mechanical Characteristics
3.1 Dimensions
Net: 410 (W) x 432 (H) x 181 (D) mm
Gross: 486 (W) x 525 (H) x 275 (D) mm
3.2 Weight
Net: 6.0Kg
Gross: 8.7 Kg
3.3 Base Rotation
Tilt: up 20 ° / down 5 °
3.4 Labeling
3.4.1 ID Label (Paste on Rear Cover)
Material: Polyester’s
Color: Black (same as plastic color) / White (Letter)
Size: 50 (W) X 25 (H) mm
Location: Rear Back Label
Contents: Appendix III
3.4.2 Bar Code Number Label (Carton Box)
Material: Art Paper
Color: White (Base) / Black (Letter)
Size: 76 (W) X 76 (H) mm
Location: Carton Box (Side Wall)
Contents: Appendix III
3.4.3 Serial Number Label (Rear Back Label)
Material: Art Paper
Color: White (Base) / Black (Letter)
Size: 25 (W) X 50 (H) mm
Location: Paste on Rear Back Label
Contents: Appendix III
3.5 Serial Number Format
Serial No. PPP
YY WW XXXXX
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Serial No. (5-digit)
Manufacturing week
Last digit of manufacturing year
Regional Product ID Code :
VX700 3 A23
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3.6 UPC Coding (Code 39 format)
Worldwide Model UPC Code: 766907 80253 5
4. Packaging
4.1 Carton Box
Dimensions: 486mm (W) x 525mm (H) x 275mm (D)
Color: 4-Color printing box
Material: BC-FLUTE or Equivalent, double wall
5. Environmental Characteristics
5.1 Operating Conditions
Temperature: 0 through + 40° C
Humidity: 8% To 80% (39 degree welt bulb)
Altitude: 0 – 3,000 Meter
5.2 Non-operating Conditions
Temperature: -20 through +60 ° C
Humidity: 5% To 95% (39 degree welt bulb)
Altitude: 0 – 12,000 meter
6. Factory setting
6.1 OSD
Brightness 100%(based on 0-100%)
Contrast 80 %( based on 0-100%)
AutoTune Executed
Color Temperature 6500k
Volume 50%
Balance 50%
Bass/Treble 50%
OSD Timeout 15 Sec
Language English
OSD position Center
6.2 Power Switch
OFF
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Appendix I Preset Signal Timings
H-Video
Horizontal
V-Video
Vertical
H active
H front H back
H pulse
H total
V active
V front
V pulse
V total
V back
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Analog timing mode table
1 2 3 4 5 6 7
Signal name symbolTEXT
mode
TEXT
mode
VGA MAC-II VESA-VGAVESA-VGAVESA-V
GA
H-frequency (kHz) 31.468 31.469 31.468 35.001 37.5 37.862 43.269
V-frequency (Hz) 70.087 70.087 59.941 66.667 75 72.807 85.005
Pixel rate (MHz) 25.175 28.322 25.175 30.240 31.5 31.501 36.000
H-sync Ths 96 108 96 64 64 40 56
H-back porch Thb 48 54 48 96 120 128 80
Count num
Thd 800 900 800 864 840 832 832
(H-total)
H- front porch Thf 16 18 16 64 16 24 56
V-sync Tvs 2 2 2 3 3 3 3
V-back porch Tvb 60 35 33 39 16 28 25
Count num
Tvd 449 449 525 525 500 520 509
(V-total)
V-front porch Tvf 37 12 10 3 1 9 1
H-sync. Polarity Positive Negative Negative NegativeNegative NegativeNegativ
e
V-sync Polarity Negative Positive Negative NegativeNegative NegativeNegativ
e
H-resolution (dots) 640 720 640 640 640 640 640
V-resolution (lines) 350 400 480 480 480 480 480
8 9 10 11 12 13 14
Signal name SymbolIBM-8514ASVGA SVGA SVGA SVGA MAC
XGA
16"
H-frequency (kHz) 35.156 37.879 48.077 46.875 53.674 49.725 48.363
V-frequency (Hz) 56.250 60.317 72.188 75.000 85.061 74.5 60.004
Pixel rate (MHz) 36.000 40.000 50.000 49.500 56.250 57.283 65.000
H-sync Ths 72 128 120 80 64 64 136
H-back porch Thb 128 88 64 160 152 224 160
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Count num
Thd 1024 1056 1040 1056 1048 1152 1344
(H-total)
H- front porch Thf 24 40 56 16 32 32 24
V-sync Tvs 2 4 6 3 3 3 6
V-back porch Tvb 22 23 23 21 27 39 29
Count num
Tvd 625 628 666 625 631 667 806
(V-total)
V-front porch Tvf 1 1 37 1 1 1 3
H-sync. Polarity Negative Positive Positive Positive Positive NegativeNegativ
e
V-sync Polarity Negative Positive Positive Positive Positive NegativeNegativ
e
H-resolution (dots) 800 800 800 800 800 832 1024
V-resolution (lines) 600 600 600 600 600 624 768
15 16 17 18 19 20 21
Signal name SymbolXGA XGA XGA XGA SXGA 720P SXGA
H-frequency (kHz) 56.476 58.099 60.023 68.677 63.981 79.976 45.000
V-frequency (Hz) 70.069 72.082 75.029 84.997 60.02 75.025 60.00
Pixel rate (MHz) 75.000 78.084 78.750 94.500 108 135 74.250
H-sync Ths 136 136 96 96 112 40 144
H-back porch Thb 144 160 176 208 248 270 248
Count num
Thd 1328 1344 1312 1376 1688 1658 1688
(H-total)
H- front porch Thf 24 24 16 48 48 60 16
V-sync Tvs 6 6 3 3 3 5 3
V-back porch Tvb 29 29 28 36 38 20 38
Count num
Tvd 806 806 800 808 1066 750 1066
(V-total)
V-front porch Tvf 3 3 1 1 1 5 1
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H-sync. Polarity Negative Negative Positive Positive Positive Positive Negativ
e
V-sync Polarity Negative Negative Positive Positive Positive Positive Negativ
e
H-resolution (dots) 1024 1024 1024 1024 1280 1280 1280
V-resolution (lines) 768 768 768 768 1024 1024 720
Digital timing mode table
1 2 3 4 5 6 7
Signal name symbolTEXT
mode
TEXT
mode
VGA VGA VESA-VGAVESA-VGAVESA-V
GA
H-frequency (kHz) 31.468 31.469 31.468 31.468 37.5 37.862 43.269
V-frequency (Hz) 70.087 70.087 60.000 59.941 75 72.807 85.005
Pixel rate (MHz) 25.175 28.322 25.175 25.175 31.5 31.501 36.000
H-sync Ths 96 108 96 96 64 40 56
H-back porch Thb 48 54 48 48 120 128 80
Count num
Thd 800 900 800 800 840 832 832
(H-total)
H- front porch Thf 16 18 16 16 16 24 56
V-sync Tvs 2 2 2 2 3 3 3
V-back porch Tvb 60 35 35 33 16 28 25
Count num
Tvd 449 449 449 525 500 520 509
(V-total)
V-front porch Tvf 37 12 10 6 1 9 1
H-sync. Polarity Positive Negative Negative Negative Negative Negative Negative
V-sync Polarity Negative Positive Negative Negative Negative Negative Negative
H-resolution (dots) 640 720 640 640 640 640 640
V-resolution (lines) 350 400 400 480 480 480 480
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8 9 10 11 12 13 14
Signal name SymbolIBM-8514ASVGA SVGA SVGA SVGA XGA XGA
H-frequency (kHz) 35.156 37.879 48.077 46.875 53.674 48.363 56.476
V-frequency (Hz) 56.250 60.317 72.188 75.000 85.061 60.004 70.069
Pixel rate (MHz) 36.000 40.000 50.000 49.500 56.250 65.000 75.000
H-sync Ths 72 128 120 80 64 136 136
H-back porch Thb 128 88 64 160 152 160 144
Count num
Thd 1024 1056 1040 1056 1048 1344 1328
(H-total)
H- front porch Thf 24 40 56 16 32 24 24
V-sync Tvs 2 4 6 3 3 6 6
V-back porch Tvb 22 23 23 21 27 29 29
Count num
Tvd 625 628 666 625 631 806 806
(V-total)
V-front porch Tvf 1 1 37 1 1 3 3
H-sync. Polarity Negative Positive Positive Positive Positive Negative Negative
V-sync Polarity Negative Positive Positive Positive Positive Negative Negative
H-resolution (dots) 800 800 800 800 800 1024 1024
V-resolution (lines) 600 600 600 600 600 768 768
15 16 17 18 19
Signal name SymbolXGA XGA XGA SXGA HD-720P
H-frequency (kHz) 58.099 60.023 68.677 63.981 45.000
V-frequency (Hz) 72.082 75.029 84.997 60.02 60.00
Pixel rate (MHz) 78.084 78.750 94.500 108 74.250
H-sync Ths 136 96 96 112 40
H-back porch Thb 160 176 208 248 270
Count num
Thd 1344 1312 1376 1688 1658
(H-total)
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H- front porch Thf 24 16 48 48 60
V-sync Tvs 6 3 3 3 5
V-back porch Tvb 29 28 36 38 20
Count num
Tvd 806 800 808 1066 750
(V-total)
V-front porch Tvf 3 1 1 1 5
H-sync. Polarity Negative Positive Positive Positive Negative
V-sync Polarity Negative Positive Positive Positive Negative
H-resolution (dots) 1024 1024 1024 1280 1280
V-resolution (lines) 768 768 768 1024 720
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Appendix II EDID Code
Analog
128 BYTES OF EDID CODE:
0 1 2 3 4 5 6 7 8 9
________________________________________
0 | 00 FF FF FF FF FF FF 00 5A 63
10 | 11 8F 01 01 01 01 01 0C 01 03
20 | 0E 22 1B 78 2A 47 06 A5 5C 47
30 | 9C 25 1E 4F 54 BF EF 00 81 80
40 | 01 01 01 01 01 01 01 01 01 01
50 | 01 01 01 01 30 2A 00 98 51 00
60 | 2A 40 30 70 13 00 52 0E 11 00
70 | 00 1E 00 00 00 FF 00 41 32 33
80 | 30 32 30 31 30 30 30 30 31 0A
90 | 00 00 00 FD 00 32 4B 1E 53 0E
100 | 00 0A 20 20 20 20 20 20 00 00
110 | 00 FC 00 56 58 37 30 30 2D 33
120 | 0A 20 20 20 20 20 00 73
Digital
128 BYTES OF EDID CODE:
0 1 2 3 4 5 6 7 8 9
________________________________________
0 | 00 FF FF FF FF FF FF 00 5A 63
10 | 11 8F 01 01 01 01 01 0C 01 03
20 | 80 22 1B 78 2A 47 06 A5 5C 47
30 | 9C 25 1E 4F 54 BF EF 00 81 80
40 | 31 0A 01 01 01 01 01 01 01 01
50 | 01 01 01 01 30 2A 00 98 51 00
60 | 2A 40 30 70 13 00 52 0E 11 00
70 | 00 1E 00 00 00 FF 00 41 32 33
80 | 30 32 30 31 30 30 30 30 31 0A
90 | 00 00 00 FD 00 32 4B 1E 53 0E
100 | 00 0A 20 20 20 20 20 20 00 00
110 | 00 FC 00 56 58 37 30 30 2D 33
120 | 0A 20 20 20 20 20 00 C8
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Appendix III Label Printing
(M)
ID LABEL
Bar Code label/Serial No Label
ViewSonic VX700
Model Number: VLCDS26104-3W
Serial Number: A23YYWWnnnnn
ViewSonic
VX700
7 66907 80253 5
MODEL NUMBER: VLCDS26104-3W
SERIAL NUMBER: A23YYWWnnnnn
Made In China
UPC
3
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