381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
Copyright
Copyright
2004 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
Optiquest is a registered trademark of ViewSonic Corporation.
ViewSonic is a registered trademark of ViewSonic Corporation.
All other trademarks used within this document are the property of their respective owners.
1a
1b
DCN Number ECR Number
06/18/04
10/18/04
Revision History
Documents Number
4475
4774
4626
Description of Changes EditorRevision SM Editing Date
Initial Release
Change Panel From AUO M170EN05 V.8 48.62701.003 12ms/20ms
To AUO M170EG01 V.0 48.62701.004 12ms
A. Lu
A. Lu
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TABLE OF CONTENTS
1. Precautions and Safety Notices
2. Specification
3. Front Panel Function Control Description
4. Circuit Description
5. Adjusting Procedure
6. Trouble Shooting Flow Chart
7. Recommended Spare Parts List
8. Exploded Diagram And Spare Parts List
9. Block Diagram
10. Schematic Diagrams
11. PCB Layout Diagrams
1
5
14
21
24
49
53
61
65
66
72
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1. Precautions and Safety Notices
1. Appropriate Operation
(1) Turn off the product before cleaning.
(2) Use only a dry soft cloth when cleaning the LCD panel surface.
(3) Use a soft cloth soaked with mild detergent to clean the display housing.
(4) Use only high quality and safety approved AC/DC power adapter.
(5) Disconnect the power plug from AC outlet if the product is not used for a long period of time.
(6) If smoke, abnormal noise, or strange odor is present, immediately switch the LCD display off.
(7) Do not touch the LCD panel surface with sharp or hard objects.
(8) Do not place heavy objects on the LCD display, video cable, or power cord.
(9) Do not use abrasive cleaners, waxes or solvents for your cleaning.
(10) Do not operate the product under the following conditions:
- Extremely hot, cold or humid environment.
- Areas susceptible to excessive dusts and dirt.
- Near any appliance generating a strong magnetic field.
- Place in direct sunlight.
2. Caution
No modification of any circuit should be attempted. Service work should only be performed after you are thoroughly
familiar with all of the following safety checks and servicing guidelines.
3. Safety Check
Care should be taken while servicing this LCD display. Because of the high voltage used in the inverter circuit, the voltage
is exposed in such areas as the associated transformer circuits.
4. Power Supply Requirements
The external power converter for this display utilizes AC and DC cords, AC cord is detachable, but DC cord is permanently
attached. Any attempt to replace another adapter could result in serious problems on the display.
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5. LCD Module Handling Precautions
5.1 Handling Precautions
(1) Since front polarizer is easily damaged, pay attention not to scratch it.
(2) Be sure to turn off power supply when inserting or disconnecting from input connector.
(3) Wipe off water drop immediately. Long contact with water may cause discoloration or spots.
(4) When the panel surface is soiled, wipe it with absorbent cotton or other soft cloth.
(5) Since the panel is made of glass, it may break or crack if dropped or bumped on hard surface.
(6) Since CMOS LSI is used in this module, take care of static electricity and insure human earth when
handling.
(7) Do not open nor modify the Module Assembly.
(8) Do not press the reflector sheet at the back of the module to any directions.
(9) In case if a Module has to be put back into the packing container slot after once it was taken out from the
container, do not press the center of the CCFL Reflector edge. Instead, press at the far ends of the CFL
Reflector edge softly. Otherwise the TFT Module may be damaged.
(10) At the insertion or removal of the Signal Interface Connector, be sure not to rotate nor tilt the Interface
Connector of the TFT Module.
(11) After installation of the TFT Module into an enclosure (LCD monitor housing, for example), do not twist
nor bend the TFT Module even momentary. At designing the enclosure, it should be taken into
consideration that no bending/twisting forces are applied to the TFT Module from outside. Otherwise the
TFT Module may be damaged.
(12) Cold cathode fluorescent lamp in LCD contains a small amount of mercury. Please follow local ordinances
or regulations for disposal.
(13) Small amount of materials having no flammability grade is used in the LCD module. The LCD module
should be supplied by power complied with requirements of Limited Power Source (IEC60950 or UL1950),
or be applied exemption.
(14) The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit (IEC60950 or
UL1950). Do not connect the CFL in Hazardous Voltage Circuit.
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5.2 Handling and Placing Methods
Correct Methods:
Only touch the metal frame of the LCD panel or the front
cover of the monitor. Do not touch the surface of the
polarizer.
Incorrect Methods:
Surface of the LCD panel is pressed by fingers and that
will probably cause “Mura.”
Take out the monitor with cushions
Take out the monitor by grasping the LCD panel. That
will probably cause “Mura.”
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Place the monitor on a clean and soft foam pad. Place the monitor on foreign objects. That will probably
scratch the surface of the panel or cause “Mura.”
The panel is placed facedown on the lap. That will
probably cause “Mura.”
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2. Specification
1. General Requirements
Test Resolution & Frequency 1280x1024 @ 60Hz
Test Image Size Full Size
Contrast and Brightness Controls
2. Signal Interface
Vide o Int e r fac e
Analog Input Connector DB-15 (Analog)
Digital Input Connector DVI-I (Digital)
Default Input Connector Defaults to the first detected input
Video Cable Connector DB-15 Pin out Compliant DDC 2B
Video Signals 1. Video RGB (Analog)
Video Impedance 75 Ohms (Analog), 100 Ohms (Digital)
Exclusions Not compatible with interlaced video
Power Supply
Power Supply (Adapter) Part Number: LSE 0107A1240
Input Voltage Range 90 to 264 VAC
Over Current Protection 12.7V ~ 18V full load
Power Dissipation 40 Watts (typ.)
4. Electrical Requirements
Horizontal / Vertical Frequency
Horizontal Frequency 30 – 82 KHz
Vertical Refresh Rate 50 – 85* Hz.
1. Since 75Hz in panel spec, the image quality
might be worse than <= 75Hz
2. For resolution 1280 x 1024, the vertical refresh
rate up to 75 Hz; for the rest resolutions, the vertical
refresh rate up to 85Hz
Maximum Pixel Clock 135 MHz
Primary Preset 1280x1024@60Hz
Look up table timing
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<<Analog>>
640 x 350 @ 70Hz, 31.5KHz
640 x 400 @ 60Hz, 31.5KHz
640 x 400 @ 70Hz, 31.5KHz
640 x 480 @ 50Hz, 24.7KHz
640 x 480 @ 60Hz, 31.5KHz
640 x 480 @ 67Hz, 35.0KHz
640 x 480 @ 72Hz, 37.9KHz
640 x 480 @ 75Hz, 37.5KHz
640 x 480 @ 85Hz, 43.27KHz
720 x 400 @ 70Hz, 31.5KHz
800 x 600 @ 56Hz, 35.1KHz
800 x 600 @ 60Hz, 37.9KHz
800 x 600 @ 75Hz, 46.9KHz
800 x 600 @ 72Hz, 48.1KHz
800 x 600 @ 85Hz, 53.7KHz
832 x 624 @ 75Hz, 49.7KHz
1024 x 768 @ 60Hz, 48.4KHz
1024 x 768 @ 70Hz, 56.5KHz
1024 x 768 @ 72Hz, 58.1KHz
1024 x 768 @ 75Hz, 60.0KHz
1024 x 768 @ 85Hz, 68.67KHz
1152 x 864 @ 75Hz, 67.5KHz
1152 x 870 @ 75Hz, 68.7KHz
1280 x 1024 @ 60Hz, 63.4KHz
1280 x 1024 @ 75Hz, 79.97KHz
1280x 720 @ 60Hz, 45KHz (HDTV)
<<Digital>>
640 x 350 @ 70Hz, 31.5KHz
640 x 400 @ 60Hz, 31.5KHz
640 x 400 @ 70Hz, 31.5KHz
640 x 480 @ 50Hz, 24.7KHz
640 x 480 @ 60Hz, 31.5KHz
640 x 480 @ 67Hz, 35.0KHz
640 x 480 @ 72Hz, 37.9KHz
640 x 480 @ 75Hz, 37.5KHz
640 x 480 @ 85Hz, 43.27KHz
720 x 400 @ 70Hz, 31.5KHz
800 x 600 @ 56Hz, 35.1KHz
800 x 600 @ 60Hz, 37.9KHz
800 x 600 @ 75Hz, 46.9KHz
800 x 600 @ 72Hz, 48.1KHz
800 x 600 @ 85Hz, 53.7KHz
832 x 624 @ 75Hz, 49.7KHz
1024 x 768 @ 60Hz, 48.4KHz
1024 x 768 @ 70Hz, 56.5KHz
1024 x 768 @ 72Hz, 58.1KHz
1024 x 768 @ 75Hz, 60.0KHz
1024 x 768 @ 85Hz, 68.67KHz
1152 x 864 @ 75Hz, 67.5KHz
1152 x 870 @ 75Hz, 68.7KHz
1280 x 1024 @ 60Hz, 63.4KHz
1280 x 1024 @ 75Hz, 79.97KHz
1280x 720 @ 60Hz, 45KHz (HDTV)
Changing Modes
Maximum Mode Change Blank Time for image
stability. Note:
1. 3 seconds (Max), excluding “Auto Adjust”
2. Under DOS mode (640 x 350, 720 x 400 &
3. The monitor needs to do “Auto Adjust” the
5. Audio Interface
Speaker Specification
Line input connection 3.5 mm stereo jack
Line input signal 1.0 Vrms
Line input impedance 10 k Ohm
Maximum power output (Electri c) 3 W @ < 8% DISTORTION
Signal to Noise Ratio 72 dB
Frequency response 400 Hz – 20 KHz
Distortion < 8 % THD (@1KHz)
4. While running Change Mode, Auto Adjust or
Memory Recall, the image shall blank.
time
640 x 400), it should recall factory setting
when execute “Auto Adjust”
first time a new mode is detected
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6. LCD Panel
Panel Characteristics
Source panel AU panel (M170EG01 V0)
Size 17”diagonal screen size
Typ e MVA type with LVDS interface
Pixel 1280*1024 addressable pixels
Pixel Pitch 0.264mm*0.264mm pixel pitch
Brightness 300 cd/m2 (Typ after 30 minute warm up)
Contrast Ratio 500:1 (Typ), 300:1 (Min)
Viewi n g Angle(Horizontal) 140 deg @ CR>10
Viewi n g Angle (Vertical) 130 deg @ CR>10
Response Time 12 ms (Tr=9ms, TF =3 ms) (Typ.)
Backlight lamps 4 CCFL backlight lamps
Backlight Life 50,000 Hours (Typ.) / 45,000 hours (Min.)
7. Mechanical
Dimensions
Width 378 mm (14.9 inch)
Height 405 mm (16.0 inch)
Depth 177 mm ( 7.0 inch)
Monitor Weight 5.3 kg / 11.66 lbs
Ergonomics
Tilt Up
Tilt Down -5 º +/- 20%
20 º +/- 20%
8. Environmental
Environmental Conditions
Operating Temperature 0°C to +40°C
Storage Temperature -20°C to +60°C
Operating Relative Humidity 20% to 90% RH Non-Condensing
Storage Relative Humidity 5% to 90% RH Non-Condensing
Operating Altitude 0 to +3,000 meters
Storage Altitude 0 to +12,000 meters
______________________________________________________________________
(08-09) ID Manufacturer Name = VSC
(11-10) Product ID Code = 7B19
(12-15) Last 5 Digits of Serial Number = Not Used
(16) Week of Manufacture = 01
(17) Year of Manufacture = 2004
(10-17) Complete Serial Number = See Descriptor Block
(18) EDID Version Number = 1
(19) EDID Revision Number = 3
(20) VIDEO INPUT DEFINITION:
Analog Signal
0.700, 0.300 (1.000 Vp-p)
Separate Syncs
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(21) Maximum Horizontal Image Size = 340 mm
(22) Maximum Vertical Image Size = 270 mm
(23) Display Gamma = 2.20
(24) Power Management and Supported Feature(s):
Active Off/Very Low Power, Standard Default Color Space,
Preferred Timing Mode
Display Type = R/G/B Color
(25-34) CHROMA INFO:
Red X - 0.640 Green X - 0.290 Blue X - 0.140 White X - 0.310
Red Y - 0.340 Green Y - 0.610 Blue Y - 0.070 White Y - 0.330
(35) ESTABLISHED TIMING I:
720 X 400 @ 70Hz (IBM,VGA)
640 X 480 @ 60Hz (IBM,VGA)
640 X 480 @ 67Hz (Apple,Mac II)
640 X 480 @ 72Hz (VESA)
640 X 480 @ 75Hz (VESA)
800 X 600 @ 56Hz (VESA)
800 X 600 @ 60Hz (VESA)
(36) ESTABLISHED TIMING II:
800 X 600 @ 72Hz (VESA)
800 X 600 @ 75Hz (VESA)
832 X 624 @ 75Hz (Apple,Mac II)
1024 X 768 @ 60Hz (VESA)
1024 X 768 @ 70Hz (VESA)
1024 X 768 @ 75Hz (VESA)
1280 X 1024 @ 75Hz (VESA)
(37) Manufacturer's Reserved Timing:
1152 X 870 @ 75Hz (Apple,Mac II)
(38-53) Standard Timing Identification:
1280 X 1024 @60Hz
1024 X 768 @85Hz
800 X 600 @85Hz
640 X 480 @85Hz
Not Used
Not Used
Not Used
Not Used
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______________________________________________________________________
(54-71) Detailed Timing / Descriptor Block 1:
1280x1024 Pixel Clock: 108.00 MHz
______________________________________________________________________
Horizontal Image Size: 338 mm Vertical Image Size: 271 mm
Refreshed Mode: Non-Interlaced Normal Display - No Stereo
20 20 20 20 20 20 00 E3
______________________________________________________________________
(08-09) ID Manufacturer Name = VSC
(11-10) Product ID Code = 7B19
(12-15) Last 5 Digits of Serial Number = Not Used
(16) Week of Manufacture = 01
(17) Year of Manufacture = 2004
(10-17) Complete Serial Number = See Descriptor Block
(18) EDID Version Number = 1
(19) EDID Revision Number = 3
(20) VIDEO INPUT DEFINITION:
Digital Signal
Non - VESA DFP 1.x Compatible
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(21) Maximum Horizontal Image Size = 340 mm
(22) Maximum Vertical Image Size = 270 mm
(23) Display Gamma = 2.20
(24) Power Management and Supported Feature(s):
Active Off/Very Low Power, Standard Default Color Space,
Preferred Timing Mode
Display Type = R/G/B Color
(25-34) CHROMA INFO:
Red X - 0.640 Green X - 0.290 Blue X - 0.140 White X - 0.310
Red Y - 0.340 Green Y - 0.610 Blue Y - 0.070 White Y - 0.330
(35) ESTABLISHED TIMING I:
720 X 400 @ 70Hz (IBM,VGA)
640 X 480 @ 60Hz (IBM,VGA)
640 X 480 @ 67Hz (Apple,Mac II)
640 X 480 @ 72Hz (VESA)
640 X 480 @ 75Hz (VESA)
800 X 600 @ 56Hz (VESA)
800 X 600 @ 60Hz (VESA)
(36) ESTABLISHED TIMING II:
800 X 600 @ 72Hz (VESA)
800 X 600 @ 75Hz (VESA)
832 X 624 @ 75Hz (Apple,Mac II)
1024 X 768 @ 60Hz (VESA)
1024 X 768 @ 70Hz (VESA)
1024 X 768 @ 75Hz (VESA)
1280 X 1024 @ 75Hz (VESA)
(37) Manufacturer's Reserved Timing:
1152 X 870 @ 75Hz (Apple,Mac II)
(38-53) Standard Timing Identification:
1280 X 1024 @60Hz
1024 X 768 @85Hz
800 X 600 @85Hz
640 X 480 @85Hz
640 X 400 @70Hz
Not Used
Not Used
Not Used
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______________________________________________________________________
(54-71) Detailed Timing / Descriptor Block 1:
1280x1024 Pixel Clock: 108.00 MHz
______________________________________________________________________
Horizontal Image Size: 338 mm Vertical Image Size: 271 mm
Refreshed Mode: Non-Interlaced Normal Display - No Stereo
(126) No Extension EDID Block(s)
(127) CheckSum OK
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3. Front Panel Function Control Description
Adjusting the Screen Image
Use the buttons on the front control panel to display and adjust the OnView
®
controls which display on the screen. The OnView controls are explained at the
top of the next page.
MAIN
MENU
AUTO IMAGE ADJUST
CONTRAST/BRIGHTNESS
INPUT SELECT
AUDIO MENU
COLOR ADJUST
INFORMATION
MANUAL IMAGE ADJUST
SETUP MENU
MEMORY RECALL
ř EXITř SELECT
1
2
SpeakerSpeaker
Main Menu with OnView controls
Front Control Panel shown
below
Scrolls through menu options and
adjusts the displayed control.
Also a shortcut to display the
Contrast adjustment control
screen.
Displays the Main Menu
or exits the control screen
and saves adjustments
Decreases or
increases volume
Audio Mute button
turns the sound off.
Displays the control
screen for the highlighted
control.
Also toggles between two
controls on some
screens.
Also a shortcut to toggle
between analog and
digital connections.
Power light
Green = ON
Orange = Power
Saving
Power
On/Off
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Do the following to adjust the screen image:
To display the Main Menu, press button [1].
1
NOTE:
All OnView menus and adjustment screens disappear automatically
after about 15 seconds. This is adjustable through the OSD timeout setting in the
setup menu.
2
To select a control you want to adjust, press ▲ or ▼ to scroll up or down the
Main Menu.
3
After the control is selected, press button [2]. A control screen like the one
shown below appears.
The command line at the
bottom of the control screen
tells what to do next from this
screen. You can toggle
between control screens,
adjust the selected option, or
exit the screen.
4
To adjust the control, press the up ▲ or down ▼ buttons.
5
To save the adjustments and exit the menu, press button [1]
twice
.
The following tips may help you optimize your display:
•Adjust your computer's graphic card so that it outputs a video signal 1280 x
1024 @ 60Hz to the LCD display. (Look for instructions on "changing the
refresh rate" in your graphic card's user guide.)
•If necessary, make small adjustments using H POSITION and V POSITION
until the screen image is completely visible
. (The black border around the
edge of the screen should barely touch the illuminated "active area" of the
LCD display.)
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Main Menu Controls
Adjust the menu items shown below by using the up ▲ and down ▼ buttons.
ControlExplanation
Auto Image Adjust
sizes and centers the screen image
automatically.
Contrast
adjusts the difference between the image background
(black level) and the foreground (white level).
Brightness
Input Select
adjusts background black level of the screen image.
toggles between inputs if you have more than one
computer.
Audio Adjust
Volume
increases the volume, decreases the volume, and
mutes the audio.
Mute
Color Adjust
color temperatures and
green (G), and blue (B) separately. The factory setting for this
product is 6500K (6500 Kelvin).
temporarily silences audio output.
provides several color adjustment modes: preset
RGB
which allows you to adjust red (R),
Color Adjust
sRGB
9300K
Ԧ6500K
5400K
5000K
User Color
1:EXIT2:SELECT
sRGB
— sRGB is quickly becoming the industry standard for color
management, with support being included in many of the latest
applications. Enabling this setting allows the LCD display to
more accurately display colors the way they were originally
intended. Enabling the sRGB setting will cause the Contrast and
Brightness adjustments to be disabled.
9300K
in most office settings with fluorescent lighting).
6500K
richer red.
5400K
5000K
— Adds blue to the screen image for cooler white (used
— Adds red to the screen image for warmer white and
— Adds green to the screen image for a darker color.
— Adds blue and green to the screen image for a darker
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ControlExplanation
User Color
and blue (B)
1
To select color (R, G or B) press button [2].
2
To adjust selected color, press ▲ or ▼.
Important
— Individual adjustments for red (R), green (G),
.
: If you select RECALL from the Main Menu when
the product is set to a Preset Timing Mode, colors return to the
6500K factory preset.
Information
displays the timing mode (video signal input)
coming from the graphics card in your computer, the LCD
model number, the serial number, and the ViewSonic website
URL. See your graphic card’s user guide for instructions on
changing the resolution and refresh rate (vertical frequency).
NOTE:
VESA 1280 x 1024 @ 60Hz (recommended) means
that the resolution is 1280 x 1024 and the refresh rate is 60
Hertz.
Information:
H. Frequency:XXkHz
V. Frequency:XXHz
ResolutionXXXXXXXXX
Pixel Clock:XXXMHz
Serial Number:XXXXXXXXXXX
Model Number:XXXXXXXXXXX
www.ViewSonic.com1: Exit
Manual Image Adjust Sub-menu
H. Size (Horizontal Size)
H./V. Position (Horizontal/Vertical Position)
adjusts the width of the screen image.
image left or right and up or down.
moves the screen
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ControlExplanation
Fine Tune
sharpens the focus by aligning the text and/or graphic
characters.
NOTE:
Sharpness
Try Auto Image Adjust first.
adjusts the clarity and focus of the screen image.
Setup menu displays the menu shown below:
SetupMenu
Language Select
Resolution Notice
OSD Position
OSD Time Out
OSD Background On/Off
1: Exit2: Select
Language
allows you to choose the language used in the menus
and control screens.
Resolution Notice
Resolution Notice
ԦOnԦOff
1: Exit
allows you to enable or disable this notice.
If you enable the Resolution Notice shown above and your
computer is set at a resolution other than 1280 x 1024, the
following screen appears.
Resolution Notice
For best picture quality, change the resolution to 1280 x 1024
Press "1" to Clear Message.
Press "2" to Disable Message.
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ControlExplanation
OSD Position
allows you to move the on-screen display menus
and control screens.
OSD Timeout
sets the length of time the on-screen display
screen is displayed. For example, with a “30 second” setting, if a
control is not pushed within 30 seconds, the display screen
disappears.
OSD Background
On/Off
allows you to turn the On-Screen Display
background On or Off.
Memory Recall
returns the adjustments back to factory settings
if the display is operating in a factory Preset Timing Mode listed
in the Specifications of this manual.
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Hot Keys for Function Controls
Buttons: Functions:
[Up] + [Down] arrows Recall Contrast or Brightness while in the Contrast
[Volume-] + [Volume+] Recall volume to 50% while in volume adjustment,
[1] + [2] Toggle 720x400 and 640x400 mode when input
[1] + [Up] + [Down] White Balance. White Balance should set the screen
[1] + [Down] (hold for 10 seconds) Power Lock (Unlock). User won’t be able to turn off
[1] + [Up] (hold for 10 seconds) OSD Lock (Unlock). It will lock all functions,
[Up] + [Down] + [Power On] with signal
(Hold for 3 seconds. Release “Power” button first
and then “Up” & ”Down” buttons.)
[Up] + [Down] + [Power On]
Without signal
(Hold for 3 seconds. Release “Power” button first
and then “Up” & ”Down” buttons.)
or Brightness adjustment, or recall both of Contrast
and Brightness when the OSD is not on.
or when OSD is not on.
720x400 or 640x400 mode.
on the pure black and white pattern with
640*480@60Hz resolution.
the monitor.
including “Volume” and “Mute”.
All Mode Reset. It will erase all end users’ settings
and restore the factory defaults.
Burn in Mode. After entering Burn in Mode, press
[1] button, you can find the information about this
monitor.
Remark: All the shortcut functions are only available while OSD is off.
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4. Circuit Description
1. Power supply (DC/DC Converter)
The AP1501 is monolithic IC designed for M/B DC/DC converter, and owns the ability of driving a 3A load without
any additional transistor component.
The AP1501 operates at a switching frequency of 150KHz and thus allows smaller-sized filter components than what
would be needed with lower frequency switch regulator.
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2. Flash Memory
The Pm39LV010R is a 1 Megabit, 3.3 Volt-only Flash Memory organized as 131,072 bytes of 8 bits each. This device
is designed to use a 3.0 Volt to 3.6 Volt power supply to perform in-system programming.
The 1 Megabit memory array is divided into thirty-two uniform blocks of 4 Kbytes each for data and/or code storage.
The block architecture allows users to flexibly make chip erase or block erase operation. The block erase feature
allows a particular block to be erased and reprogrammed without affecting the data in other blocks. After the device
performs chip erase or block erase operation, it can be reprogrammed on a byte-by-byte basis.
3. GM5120
The gm5110/20 is a graphic processing IC for Liquid Crystal Display (LCD) monitors at XGA/SXGA resolution. It
provides all key IC functions required for the highest quality LCD monitors. On-chip functions include a high-speed
triple-ADC and PLL, Ultra-Reliable DVI
TM
receiver, a high quality zoom and shrink scaling engine, an on-screen
display (OSD) controller, digital color controls and an on-chip microcontroller (OCM). With this level of integration,
the gm5110/20 devices simplify and reduce the cost of LCD monitors while maintaining a high-degree of flexibility and
quality.
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gm5110/5120 System Design Example
4. LVDS (THC63LVDM83A)
The THC63LVDM83A transmitter converts 28 bits of CMOS/TTL data into LVDS (Low Voltage Differential Signaling)
data stream. A phase-locked transmit clock is transmitted in parallel with the data streams over a fifth LVDS link. The
HC63LVDM83A can be programmed for rising edge or falling edge clocks through a dedicated pin. The
THC63LVDF84A receiver converts the LVDS data streams back into 28 bits of CMOS/TTL data with falling edge
clock. At a transmit clock frequency of 85MHz, 24 bits of RGB data and 4 bits of LCD timing and control data
(HSYNC, VSYNC, CNTL1, CNTL2) are transmitted at a rate of 595 Mbps per LVDS data channel.
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5. Adjusting Procedure
1. Function Test
1.1 Product
- 17” LCD Monitor
1.2 Test Equipment
- Color Video Signal & Pattern (or PC with SXGA resolution and a sound card)
1.3 Test Condition
Before function test and alignment, each LCD Monitor should be run-in and warmed up for at least 30 minutes
with the following conditions:
(a) In room temperature,
(b) With full-white screen, RGB, and Black
(c) With cycled display modes,
640 x 350 @ 70Hz, 31.5KHz
640 x 400 @ 60Hz, 31.5KHz
640 x 400 @ 70Hz, 31.5KHz
640 x 480 @ 50Hz, 24.7KHz
640 x 480 @ 60Hz, 31.5KHz
640 x 480 @ 67Hz, 35.0KHz
640 x 480 @ 72Hz, 37.9KHz
640 x 480 @ 75Hz, 37.5KHz
640 x 480 @ 85Hz, 43.27KHz
720 x 400 @ 70Hz, 31.5KHz
800 x 600 @ 56Hz, 35.1KHz
800 x 600 @ 60Hz, 37.9KHz
800 x 600 @ 75Hz, 46.9KHz
800 x 600 @ 72Hz, 48.1KHz
800 x 600 @ 85Hz, 53.7KHz
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16. 832 x 624 @ 75Hz, 49.7KHz
17. 1024 x 768 @ 60Hz, 48.4KHz
18. 1024 x 768 @ 70Hz, 56.5KHz
19. 1024 x 768 @ 72Hz, 58.1KHz
20. 1024 x 768 @ 75Hz, 60.0KHz
21. 1024 x 768 @ 85Hz, 68.67KHz
22. 1152 x 864 @ 75Hz, 67.5KHz
23. 1152 x 870 @ 75Hz, 68.7KHz
24. 1280 x 1024 @ 60Hz, 63.4KHz
25. 1280 x 1024 @ 75Hz, 79.97KHz
26. 1280x 720 @ 60Hz, 45KHz (HDTV)
832 x 624 @ 75Hz, 49.7KHz
1024 x 768 @ 60Hz, 48.4KHz
1024 x 768 @ 70Hz, 56.5KHz
1024 x 768 @ 72Hz, 58.1KHz
1024 x 768 @ 75Hz, 60.0KHz
1024 x 768 @ 85Hz, 68.67KHz
1152 x 864 @ 75Hz, 67.5KHz
1152 x 870 @ 75Hz, 68.7KHz
1280 x 1024 @ 60Hz, 63.4KHz
1280 x 1024 @ 75Hz, 79.97KHz
1280x 720 @ 60Hz, 45KHz (HDTV)
1.4.2 Function Test Display Pattern
Item
Test Content Pattern Specification Remark
1 Frequency & Tracking Fine Line Moire Eliminate visual wavy noise. Figure 1
2 Contrast/Brightness 16 Gray Scale 16 gray levels should be
Figure 2
distinguishable.
3 Boundary Horizontal & Vertical
Thickness
Horizontal and Vertical position of
video should be adjustable to be
Figure 3
within the screen frame.
4 RGB Color Performance RGB Color Intensities Contrast of each R, G, B, color
Figure 4, 5, 6
should be normal.
5 Screen Uniformity & Flicker Full White Should be compliant with the spec. Figure 7
6 Dead Pixel/Line White Screen & Dark
Screen
7 White Balance White & Black Pattern The screen must have the pure
The numbers of dead pixels should
be compliant with the spec.
Figure 7, 8
Figure 9
white and black pattern, no other
color.
Fine Line Morie Pattern (Figure1) Gray Scale Pattern (Figure2)
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Horizontal & Vertical Thickness Pattern (Figure 3) R. Color Pattern (Figure 4)
G. Color Pattern (Figure5) B. Color Pattern (Figure 6)
Full White Patter (Figure 7) Dark Screen Pattern (Figure 8)
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Black-White Pattern (Figure 9)
1.5 Function Test and Alignment Procedure
1.5.1 All Modes Reset
You should do “All Mode Reset” (Refer to Chapter III-3. Hot Keys for Function Controls) first.
This action will allow you to erase all end-user’s settings and restore the factory defaults.
1.5.2 Auto Image Adjust
Please select and enter “Auto Image Adjust” function on Main Menu to see if it is workable. The “Auto Image Adjust” function is aimed to offer a better screen quality by built-in ASIC. For optimum screen quality,
the user has to adjust each function manually.
1.5.3 Firmware
Test Pattern: Burn In Mode (Refer to Chapter III-3. Hot Keys for Function Controls)
- Make sure the F/W is the latest version.
1.5.4 DDC
Test Pattern: EDID program
- Make sure it can pass test program.
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1.5.5 Fine Tune and Sharpness
Test Signal: 1280*1024@60Hz
Test Pattern: Line Moire Pattern
- Check and see if the image has noise and focus performs well. Eliminate visual line bar.
- If not, readjust by the following steps:
(a) Select and enter “Fine Tune” function on “Manual Image Adjust” to adjust the image to eliminate
visual wavy noise.
(b) Then, select and enter “Sharpness” function to adjust the clarity and focus of the screen image.
1.5.6 Boundary
Test Signal: 1280*1024@60Hz
Test Pattern: Horizontal & Vertical Line Thickness Pattern
- Check and see if the image boundary is within the screen frame.
- If not, readjust by the following steps:
(a) Select and enter “Manual Image Adjust” function on OSD Main Menu.
(b) Then, select and enter “Horizontal Size” or “Horizontal/Vertical Position” function to adjust the video
boundary to be full scanned and within screen frame.
1.5.7 White Balance
Test Signal: 640*480@60Hz
Test Pattern: White and Black Pattern
1.5.8 R, G, B, Colors Contrast
Test Signal: 1280*1024@60Hz
Test Pattern: R, G, B, Color Intensities Pattern and 16 Gray Scale Pattern
- Check and see if each color is normal and distinguishable.
- If not, please return the unit to repair area.
1.5.9 Screen Uniformity and Flicker
Test Signal: 1280*1024@60Hz
Test Pattern: Full White Pattern
- Check and see if it is in normal condition.
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1.5.10 Dead Pixel and Line
Test Signal: 1280*1024@60Hz
Test Pattern: Dark and White Screen Pattern
- Check and see if there are dead pixels on LCD panel with shadow gauge and filter film.
- The total numbers and distance of dead pixels should be compliant with the spec.
1.5.11 Mura
Test Pattern: White, RGB, Black, & Grey
Test Tool: 8% ND Filter
- Check if the Mura can pass 8% ND Filter.
1.5.12 Audio
Test Signal: Voice signal (optional, depend on model)
Test Pattern: liberty
- Make sure there is audio output.
- Make sure that audio function (volume≦80%) is working without noise and resonance.
- Make sure that the sound of right and left speakers are in balance.
1.5.13 Check for Secondary Display Modes
Test Signal:
Analog: 640 x 350 @ 70Hz; 640 x 400 @ 60Hz; 640 x 400 @ 70Hz;
640 x 480 @ 50/60/67/72/75/85Hz; 720 x 400 @ 70Hz; 800 x 600 @ 56/60/72/75/85Hz; 832 x 624 @ 75Hz; 1024 x
768 @ 60Hz; 1024 x 768 @ 70/72/75/85Hz; 1152 x 864 @ 75Hz; 1152 x 870 @ 75Hz; 1280 x 1024 @ 75Hz; 1280x
720 @ 60Hz (HDTV).
Digital: 640 x 350 @ 70Hz; 640 x 400 @ 60/70/Hz; 640 x 480 @ 50/60/67/72/75/85Hz; 720 x 400 @ 70Hz; 800 x
600 @ 56/60/75/72/85Hz; 832 x 624 @ 75Hz; 1024 x 768 @ 60/70/72/75/85Hz; 1152 x 864 @ 75Hz; 1152 x 870 @
75Hz; 1280 x 1024 @ 75Hz; 1280x 720 @ 60Hz (HDTV).
- Normally when the primary mode 1280*1024@60Hz is well adjusted and compliant with the specification, the
secondary display modes will be great possible to be compliant with the spec. But we still have to check with the
general test pattern to make sure every secondary is compliant with the specification.
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1.5.14 All Modes Reset
After final QC step, we have to erase all saved changes again and restore the factory defaults. You should
do "All Mode Reset” again.
1.5.15 Power Off Monitor
Turn off the monitor by pressing “Power” button.
2. Firmware Upgrade Procedure
When you receive the returned monitor, please check whether the firmware version is the latest.
If not, please do the following procedures to upgrade it to the latest version.
2.1 Equipment Needed
- VG712s/b Monitor
- Fixture for Firmware Upgrade
- Power Adapter (P/N: 47.58201.001) *1 for Fixture
- VGA Cable (P/N: 42.59901.003) *1(Pin 4, 11 should be connected to GND)
- PC (Personal Computer)
- LPT Cable (P/N: 42.59906.001) *1
- Firmware Upgrade Program
- One additional monitor for checking the program execution
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Printer Port
Power Adapter for Fixture
(P/N: 47.58201.001)
2.2 Setup Procedure
2.2.1 Connect P2 of Fixture with printer port of PC by LPT Cable.
2.2.2 Connect P1 of Fixture with VG712 Monitor by VGA Cable.
PC
LPT Cable
(P/N: 42.59906.001)
VG712S
Fixture
VGA Cable
(P/N: 42.59901.003)
2.2.3 Plug Power Adapter to Fixture.
2.2.4 Connect Power Cord to VG712 Monitor.
2.2.5 Connect PC to the additional monitor.
JP1: to Power Adapter
P2: to LPT Cable
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2.2.6 Install GProbe Program by selecting and clicking Gprobe icon. Press “Yes” or “Next” buttons until the installation is
complete.
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2.3 Firmware Upgrade Procedure
Step 1. Let VG712 enter Burn In Mode. (Refer to Chapter III-3. Hot Keys for Function Controls).
Step 2.
Save these three files<bdisp.txt>, <p204_205.bin> and <712AV_V2_65.bin> in a hard disk
(better in a root directory, e.g. C:\ or D:\ ).
Step 3. Open <bdisp.txt> file. Key in the path where you save the driver <p204_205.bin> and firmware <712AV_V2_65.bin >.
Step 6. Before executing the firmware program, please test the connection between the monitor and fixtures. Key in “test” after
“Gprobe,” and then press “Enter.”
If the test result shows “passed,” it means the connection is well. If not (failed), it means the connection
has problems. Then you need to check the setup procedure or reboot the PC, or simply use another PC to do
the firmware upgrade.
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Step 7. Key in “batch C:\VG712\bdisp.txt” after “Gprobe:”, and then press “Enter” key to begin programming.
Step 8. The successful picture is as follows:
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Step 9. Unplug and replug power cord of VG712s/b and then enter “Burn In Mode” (Refer to Chapter III-3. Hot Keys for Function
Controls). Check if the version of BIOS is correct.
Step 10. At last, do “All Mode Reset.”
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Troubleshooting:
1. If the firmware upgrade fails at the last step, don’t unplug the power cord of the monitor. Just try the upgrade
procedure again.
(a) If there is error to execute the command at or before line10 in the “bdisp.txt” batch file (for instance, the
message “Error executing batch file at line 4” shows up in the Gprobe program (see the following picture)),
please try to upgrade the firmware again.
Test failed.
Test failed.
Test failed.
Test failed.
Test failed.
Test failed.
Error executing batch file at line 4.
Execution time: 5.72s
GProbe:>
(b) If there is error to execute the command at or after line11 in the “bdisp.txt” batch file, please copy the error
line of the “bdisp.txt” batch file to “Gprobe:>” in the Gprobe program, and then press “Enter.” For example,
there is “Error executing batch file at line 16” (see the following picture). Then you have to copy line 16
“FLASHWRITE C:\VG712\712AV_V2_65.bin” in the “bdisp.txt” file to “Gprobe:>” in the Gprobe program,
and then press “Enter” (see the picture next page).
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Test passed.
Test passed.
Test passed.
Erasing FLASH... Done.
Writing FLASH...
Writing FLASH... FAILED.
Error executing batch file at line 16.
Execution time: 9.61s
GProbe:>
Line 16
Line 16
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Copy the error line of the
“bdisp.txt” batch file to
“Gprobe:>”
2. If the firmware upgrade still fails, reboot the PC, or simply use another PC to upgrade.
3. If the above procedures don’t work, unplug and re-plug the power cord of VG712s/b. Then try to upgrade the
firmware again if VG712 can be powered on. If VG712s/b cannot be turned on, that means the flash memory of
the main board is out of work. You then have to replace the main board.
3. DDC Key In Procedure
Note:
1. Every time after replacing the main board, you have to do the DDC key in.
2. If you find the DDC does not conform to the monitor, you have to do the DDC key in.
3.1 Equipment Needed
- VG712s/b Series Monitor
- Fixture (V3) for DDC Key in (JP3 must be closed)
- RS232 Cable (P/N: 42.55907.001) *1
- VGA Cable (P/N: 42.59901.003) *2
- DVI-DVI Cable *1 (P/N: 42.56108.012)
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- PC (Personal Computer) with Win 98
- Power Adapter (P/N: 47.56001.501) *1 for Fixture
- DDC Key In Program
- One additional monitor for checking the program execution
COM1:
to
RS232
Cable
(P/N: 42.55907.001)
PC V3 Fixture
RS-232 Cable
JP3 must be closed
DVI-DVI Cable
(P/N: 42.56108.012)
VG712S
Power Adapter for Fixture
(P/N: 47.57702.001)
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Barcode Reader
VGA Cable (P/N: 42.59901.003)
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3.2 Setup Procedure
3.2.1 Connect P2 of Fixture with VGA port of VG712s/b by VGA Cable.
3.2.2 Connect P3 of Fixture with DVI port of VG712s/b by DVI-DVI Cable.
3.2.3 Connect P1 of Fixture with COM1 of PC by RS-232 Cable.
3.2.4 Plug Power Adapter to Fixture(JP1).
3.2.5 Connect Power Cord to VG712s/b Monitor.
3.2.6 Connect PC to the additional monitor.
P3: to DVI-DVI Cable
P2: to VGA Cable
JP3 must be closed
JP1: to Power
Adapter
P1: to RS232 Cable
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3.3 DDC Key In Procedure
Step 1. Select and execute DDC Key In program.
Step 2. Select “W/w - writing mode.”
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Step 3. Key in the serial number or use the barcode reader to scan the barcode of the monitor, and then press “Enter” key.
Notice: The English of the serial number should be capital letters.
Step 4. The successful picture is as follows. “The checksum values will appear after DDC is upgraded successfully in both VGA
and DFP (DVI) modes.”
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Step 5. Let VG712 enter “Burn In Mode” (Refer to Chapter III-3. Hot Keys for Function Contro ls). Unplug and re-plug the
power cord of the monitor. The corrective serial number will show on the screen.
Step 6. Checking Method:
- Execute the DDC Key In program and select “R/r - Reading mode” in Step 2.
- Use the barcode reader to scan the barcode of the monitor, or manually key in the serial number. If the DDC is
correct, the “Send VGA” and “Send DFP” will show “Check Pass!” message.
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6. Trouble Shooting Flow Chart
This chapter provides technicians and people who have an electronic background a primary description about
maintaining the product. Moreover, you can get the appropriate operation to solve some complicated problems of
component repairing and professional problems.
1. Equipment Needed
- VG712s/b Monitor
- Philips Screw Driver #101 and #107
- Electronic Hex Nut M5 mm
- PC (Personal Computer) with SXGA resolution and sound card / Pattern Generator
2. Main Procedure
Note: Before troubleshooting, do “All Mode Reset” first to restore the monitor’s settings to the factory defaults.
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2.1 A. Power Circuit Troubleshooting
2.2 B. Performance Troubleshooting
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Notice:
1. Make sure VGA cable connected to PC directly, not via anything like “Data transfer” or “Distribution” ……After this
action if Ghost image disappears, go to “Yes”; else, go to “No.”
2. Check the compatibility on the computer. If it is compatibility problem, feedback the information to ViewSonic; else,
1Accessories:CABLE POWER CORD 1.8M±0.1M UNSHIELD (NA)A-PC-0106-027042.57207.001POWER CORD1
ItemViewSonic P/NRef. P/NLocationQ'ty
1Accessories:1.8M+0.1M COLOR CS-VS08 ChinaA-PC-0106-018742.50126.001POWER CORD1
Documentation:
1WARRANTY CARD S. CHINESE SECOND VERSION VIEWSONICM-MS-0808-877336.58307.002WARRANTY
2WARRANTY STICKER S. CHINESEM-LB-0813-073736.58308.001WARRANTY
3SHIPPING WARRANTY STICKER S. CHINESE VIEWSONICM-LB-0813-073936.58309.001WARRANTY
4Packing Material:
ItemViewSonic P/NRef. P/NLocationQ'ty
1Accessories:CABLE POWER CORD 1830mm SP-023+IS14 EUR.A-PC-0106-0271
ItemViewSonic P/NRef. P/NLocationQ'ty
1Accessories:CABLE POWER CORD 1830mm SP-023+IS14 EUR.A-PC-0106-0271
ViewSonic Corporation Confidential
RECOMMENDED SPARE PARTS LIST (VG712b-M)
CABLE POWER CORD 1.8M±0.1M UNSHIELD (NA)A-PC-0106-027042.57207.001POWER CORD1
44CUSHION R EPS VG710sP-FM-0602-081856.62701.001CUSHION1
45CUSHION L EPS VG710sP-FM-0602-081956.62702.001CUSHION1
46PE BAG LDPE 450*700*0.07t W/HOLE VG710M-MS-0808-964251.62710.001PE BAG1
Plastics:
47RUBBER SPACER 20*10*5.5mmM-MS-0808-964452.62702.0012
48RUBBER FOOT 35*10*1.2t VG710M-MS-0808-964552.62703.001RUBBER FOOT5
49RUBBER 30*15*4 BLACK VG710M-MS-0808-964652.62703.0021
50VESA RUBBER PAD D7.0*H4.5 VG710sM-MS-0808-897252.62701.0014
CABLE POWER CORD 1.8M±0.1M UNSHIELD (NA)A-PC-0106-027042.57207.001POWER CORD1
Description
RECOMMENDED SPARE PARTS LIST (VG712s-P)
ItemViewSonic P/NRef. P/NLocationQ'ty
1Accessories:CABLE POWER CORD 1.8M±0.1M UNSHIELD (NA)A-PC-0106-027042.57207.001POWER CORD1
Description
RECOMMENDED SPARE PARTS LIST (VG712s-E)
ItemViewSonic P/NRef. P/NLocationQ'ty
1Accessories:CABLE POWER CORD 1830mm SP-023+IS14 EUR.A-PC-0106-0271
Description
42.50112.001
POWER CORD1
RECOMMENDED SPARE PARTS LIST (VG712s-G)
ItemViewSonic P/NRef. P/NLocationQ'ty
1Accessories:1.8M+0.1M COLOR CS-VS08 ChinaA-PC-0106-018742.50126.001POWER CORD1
Documentation:
2WARRANTY CARD S. CHINESE SECOND VERSION VIEWSONICM-MS-0808-877336.58307.002WARRANTY1
3WARRANTY STICKER S. CHINESEM-LB-0813-073736.58308.001WARRANTY1
4SHIPPING WARRANTY STICKER S. CHINESE VIEWSONICM-LB-0813-073936.58309.001WARRANTY1
5Packing Material:
8M-MS-0808-895251.58314.001 LCD PROTECT FILM 355*290*0.1t mm MYLAR VG70
9M-MS-0808-829951.58711.002 NAMEPLATE ELLIPSE CS-VS08 ViewSonicNAMEPLATE1
10M-MS-0808-895451.62703.002 HINGE CAP ABS HB-VS08 VG710bHINGE CAP1
11M-MS-0808-894635.62702.001 BIRD LOGO AL E015-006 VG710sBIRD LOGO1
45#N/A01.10136.501 RES RP 100 5% 1/16W #0603R110,R15,R16,R37,R38,R426
46#N/A01.10136.502 RES RP 100 5% 1/16W X4 V8V 8P SMD
47#N/A01.10216.501 RES RP 1K 1% 1/16W CHIP #0603R551
48#N/A01.10236.501 RES RP 1K 5% 1/16W x4 V8V 8P SMD "PANASRP3,RP42
49#N/A01.10236.502 RES RP 1K 5% 1/16W #0603;"TA-I TECHNOLOGY"R5,R75,R773
50#N/A01.10336.501 RES RP 10K 5% 1/16W x4 V8V 8P SMD "PANASORP1,RP22
51#N/A01.10336.502 RES RP 10K 5% 1/16W CHIP #0603;"TA-I TECHNO
52#N/A01.10339.501 RES RP 10K 5% 1/10W CHIP #0805R1,R22
53#N/A01.10436.501 RES RP 100K 5% 1/16W CHIP #0603R10,R92
54#N/A01.20116.501 RES RP 200 1% 1/16W CHIP #0603R71
55#N/A01.22036.501 RES RP 22 5% 1/16W CHIP #0603R18,R20,R223
56#N/A01.22236.501 RES RP 2.2K 5% 1/16W CHIP #0603
57#N/A01.33036.501 RES RP 33 5% 1/16W x4 V8V 8P SMD "PANASONRP171
58#N/A01.33036.502 RES RP 33 5% 1/16W CHIP #0603;"TA-I TECHNOL
59#N/A01.33116.501 RES RP 330 1% 1/16W CHIP #0603R28,R29,R3,R4,R85
60#N/A01.33336.501 RES RP 33K 5% 1/16W CHIP #0603R801
61#N/A01.47236.501 RES RP 4.7K 5% 1/16W CHIP #0603R13,R142
62#N/A01.56236.501 RES RP 5.6K 5% 1/16W CHIP #0603R721
63#N/A01.68036.501 RES RP 68 5% 1/16W CHIP #0603R451
64#N/A01.68336.501 RES RP 68K 5% 1/16W CHIP 0603R761
65#N/A01.75016.501 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOLR24,R25,R263
66#N/A01.75116.501 RES RP 750 1% 1/16W CHIP #0603R111
67#N/A01.78216.501 RES RP 7.87K 1% 1/16W CHIP #0603R78,R792
68#N/A02.10075.402 CAP CE 10u 25V 20% 5*11mm 105 DEGREE C (PZ)C114,C121,C1243
69#N/A02.10174.404 CAP CE 100u 20% 16V 6.3*11 RADIAL 105 degre
70#N/A02.10273.404 CAP CE 1000u 10V 20% 10*16mm 105℃ (HF) LOWC271
71#N/A02.10274.403 CAP CE 1000u 16V 20% 10*20mm 105℃ (HD) LOWC123,C52
72#N/A02.10547.102 CAP CC 100pF 5% 50V NPO #0603
73#N/A02.10747.101 CAP CC 0.01uF 10% 50V X7R #0603;"YCTC""TEAM
74#N/A02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC"
75#N/A02.10987.101 CAP CC 1uF +80%-20% 16V Y5V #0603C115,C116,C1173
76#N/A02.12174.401 CAP CE 120µF 20% 16V LOW-ESR TYPE RC=405mAC1,C202
9M-MS-0808-811651.58711.001NAMEPLATE ELLIPSE ViewSonicNAMEPLATE1
10M-MS-0808-896951.62703.001HINGE CAP ABS HB-VS06 VG710sHINGE CAP1
11M-MS-0808-894635.62702.001BIRD LOGO AL E015-006 VG710sBIRD LOGO1