ViewSonic VA702-1, VA702b-1, VS10781 Service Manual

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ViewSonic VA702-1

VA702b-1

Model No. VS10781

17” Color TFT LCD Display

(VA702-1_ VA702b-1_SM Rev. 1b Sep. 2006)

ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

Service Manual

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Copyright © 2006 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.

Revision History

Revision SM Editing Date ECR Number Description of Changes Editor

1b 9/12/2006 Add 2nd panel V7 & VA (updated RSPL, BOM) Jamie Chang

1a Initial Release

G. Han

10/20/05

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TABLE OF CONTENTS

1. Precautions and Safety Notices 1

2. Specification 4

3. Front Panel Function Control Description 13

4. Circuit Description 18

5. Adjustment Procedure 29

6. Troubleshooting Flow Chart 35

7. Recommended Spare Parts List 42

8. Exploded Diagram and Exploded Parts List 47

9. Block Diagram 49

10. Schematic Diagrams 50

11. PCB Layout Diagrams 58

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1. Precautions and Safety Notices

1. SAFETY PRECAUTIONS

This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user.

WARNINGS:

z This monitor should be operated only at the correct power sources indicated on the label on the rear of the

monitor. If you’re unsure of the power supply in you residence, consult your local dealer or Power Company.

z Use only the special power adapter that comes with this monitor for power input. z Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. Only the qualified

technician can repair it.

z Do not remove the monitor cabinet. There are high-voltage parts inside that may cause electric shock to

human bodies.

z Stop using the monitor if the cabinet is damaged. Have it checked by a service technician. z Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug the power cable immediately

and consult your closed dealer.

z Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. Apply

non-ammonia based cleaner onto the cloth, not directly onto the glass screen.

z Do not place heavy objects on the monitor or power cord.

2. PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Before replacing any of these components read the parts list in this manual carefully. The use of substitute replacement parts, which do not have the same safety characteristics as specified in the parts list, may create shock, fire, or other hazards.

3. SERVICE NOTES

z When replacing parts or circuit boards, clamp the lead wires around terminals before soldering.

z Keep wires away from high voltage, high temperature components and sharp edges.

z Keep wires in their original position so as to reduce interference.

z Adjustment of this product please refers to the user’ manual.

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4. Handling and Placing Methods

Correct Methods: Incorrect Methods:

Only touch the metal of the LCD panel or the front cover of he monitor. Do not touch the surface of the polarizer.

Surface of the LCD panel is pressed by fingers and that may cause "Mura".

Take out the monitor with cushions.

Taking out the monitor by grasping the LCD panel. That may cause "Mura".

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Correct Methods: Incorrect Methods:

Place the monitor on a clean and soft foam pad.

Placing the monitor on foreign objects, That could scratch the surface of the panel or cause "Mura".

The panel is placed facedown on the lap. That may cause "Mura".

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

2. Specification

INTRODUCTION

FEATURES VA702/b

Size

17 “

Luminance (Typ)

300 cd/㎡

Contrast Ratio (Typ) 500:1 Colors (6 bits + 2 bits FRC) 16.2 M Response Time (Typ) 12 ms Viewing Angle (H/V) 140 ° / 125 °

TFTLCD PANEL

Recommend resolution 1280x1024@60Hz Size

17 “

Luminance (Typ)

300 cd/㎡

Contrast Ratio (Typ) 500:1 Colors (6 bits + 2 bits FRC) 16.2 M Response Time (Typ) 8 ms Viewing Angle (H/V) 150 ° / 135 °

2nd TFTLCD PANEL

Recommend resolution 1280x1024@60Hz Size

17 “

Luminance (Typ)

280 cd/㎡

Contrast Ratio (Typ) 600:1 Colors (6 bits + 2 bits FRC) 16.2 M Response Time (Typ) 8 ms Viewing Angle (H/V) 150 ° / 135 °

3rd TFTLCD PANEL

Recommend resolution 1280x1024@60Hz Analog (75ohms, 0.7/1.0 Vp-p) Yes

Input Signal

Digital No Separate Sync Yes Composite Sync No

Sync Compatibility

Sync on Green No PC Yes Power Mac Yes

Compatibility

TV Box (NextVision 6) Yes

Power Voltage AC 100-240V, 50/60Hz Yes

On Mode(Max / Typ) 36 W/ 35 W

Power Consumption

Off Mode (Max)

≦1 W

Tilt ( 20 ° - -5 °)

Yes Swivel No Pivot No

Ergonomics

Height Adjust No

OSD Control [ 1 ] [▼] [▲] [ 2 ] [ ] Yes

Physical (W x H x D) 378 x 374 x 196 mm

Dimension

Package (W x H x D) 440 x 511 x 132 mm Physical (Net Weight) 4.5 kg

Weight

Package (Gross Weight) 6.2 kg

Operating Condition Temperature ( / )℉℃ 32℉-104℉ / 0℃-40℃

Humidity (%) 10 % - 90 % Temperature ( / )℉℃ -4℉-140℉ / -20℃-60℃

Storage Condition

Humidity (%) 5 % - 90 %

Regulation

UL, cUL, FCC-B, CB, CE, ENERGY, NOM, TUV/GS, TUV ERGO (covers ISO13406-2 & MPRII), TCO’03, GOST-R+20 ORIGINAL COPIES HYGIENIC, SASO, PCBC, VCCI, BSMI, CCC, (PSB), (CTICK), TUV-S, Green Mark, Energy Star, RoHS, WEEE

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GENERAL specification

Test Resolution & Frequency 1280x1024 @ 60Hz Test Image Size Full Size

Contrast and Brightness Controls

Factory Default: Contrast = 70%, Brightness = 100%

VIDEO INTERFACE

Analog Input Connector DB-15 (Analog), refer the appendix A

Video Cable Strain Relief

Equal to twice the weight of the monitor for

five minutes Video Cable Connector DB-15 Pin out Compliant DDC 1/2B Video Signals Video RGB (Analog) - Separate Video Impedance 75 Ohms (Analog) Maximum PC Video Signal 950 mV with no damage to monitor Maximum Mac Video Signal 1250 mV with no damage to monitor Sync Signals LVDS DDC 1/2B Compliant with Revision 1.3 Sync Compatibility Separate Sync

Video Compatibility

Shall be compatible with all PC type

computers, Macintosh computers, and after

market video cards

Resolution Compatibility

640 x 350, 640 x 480, 720 x 400 (640 x

400*), 800 x 600, 832 x 624, 1024 x 768,

1152 x 870, 1280 x 720, 1280 x 1024 Exclusions Not compatible with interlaced video

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POWER SUPPLY

Internal Power Supply Part Number: ILIPI-004 Input Voltage Range 90 TO 264 VAC Input Frequency Range 47.5 TO 63 HERTZ Short Circuit Protection Output can be shorted without damage Over Current Protection 2.4 A typical at 14.2 VDC Leakage Current 3.5mA (Max) at 254VAC / 60Hz Efficiency 80% typical at 115VAC Full Load Fuse Internal and not user replaceable Power Dissipation 35 Watts (typ) Max Input AC Current 0.8 Arms @ 90VAC, 0.4 Arms @265VAC INRUSH CURRENT (COLD START) 30 A @ 120VAC, 50 A (max) @ 220VAC

Power Supply Cold Start

Shall start and function properly when under full load, with all combinations of input voltage, input frequency, and operating temperature

Power Supply Transient Immunity

Shall be able to withstand an ANSI/IEEE C62.41-1980 2000V 200 ampere ring wave transient test with no damage

Power Supply Line Surge Immunity

Shall be able to withstand 1.5 times nominal line voltage for one cycle with no damage

Power Supply Missing Cycle Immunity

Shall be able to function properly, without reset or visible screen artifacts, when ½ cycle of AC power is randomly missing at nominal input

Power Supply Acoustics

The power supply shall not produce audible noise that would be detectable by the user. Audible shall be defined to be in compliance with ISO 7779 (DIN EN27779:1991) Noise measurements of machines acoustics. Power Switch noise shall not be considered

US Type Power Cable

Separate 3-prong NEMA 5-15P type plug. Length = 1.8m. Connects to display. Color = Black

European Type Power Cable

Schuko CEE7-7 type plug. Length = 1.8m, Connects to display. Color = Black

CCC Type Power Cable

Separate 3-prong type plug. Length = 1.8m. Connects to display. Color = Black

PSE Type Power Cable

Separate 2-prong NEMA 1-15P type plug. Length = 1.8m. Connects to display. Color = Black

Power Saving Operation(Method) VESA DPMS Signaling

Power Consumption

On Mode < 36 W (max) / 35 W(typ) Off Mode< 1W

Recovery Time On Mode = N/A, Active Off < 3 sec

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ELECTRICAL REQUIREMENT

Horizontal / Vertical Frequency

Horizontal Frequency 30 – 82 KHZ Vertical Refresh Rate 50 – 85* HZ.

* WHEN THE RESOLUTION IS SET TO 1280 X 1024, THE VERTICAL REFRESH RATE MAY BE UP TO 75 HZ; FOR ALL OTHER RESOLUTIONS, THE VERTICAL REFRESH RATE MAY BE UP TO 85HZ.

Maximum Pixel Clock 140 MHz Sync Polarity Independent of sync polarity.

Timing Table

Item Timing Analog

1 640 x 350 @ 70Hz, 31.5kHz Yes

2 640 x 400 @ 60Hz, 31.5kHz Yes 3 640 x 400 @ 70Hz, 31.5kHz Yes

4 640 x 480 @ 50Hz, 24.7kHz Yes

5 640 x 480 @ 60Hz, 31.5kHz Yes 6 640 x 480 @ 67Hz, 35.0kHz Yes 7 640 x 480 @ 72Hz, 37.9kHz Yes 8 640 x 480 @ 75Hz, 37.5kHz Yes

9 640 x 480 @ 85Hz, 43.27kHz Yes 10 720 x 400 @ 70Hz, 31.5kHz Yes 11 800 x 600 @ 56Hz, 35.1kHz Yes 12 800 x 600 @ 60Hz, 37.9kHz Yes 13 800 x 600 @ 75Hz, 46.9kHz Yes 14 800 x 600 @ 72Hz, 48.1kHz Yes 15 800 x 600 @ 85Hz, 53.7kHz Yes

16 832 x 624 @ 75Hz, 49.7kHz Yes 17 1024 x 768 @ 60Hz, 48.4kHz Yes 18 1024 x 768 @ 70Hz, 56.5kHz Yes 19 1024 x 768 @ 72Hz, 58.1kHz Yes 20 1024 x 768 @ 75Hz, 60.0kHz Yes 21 1024 x 768 @ 85Hz, 68.67kHz Yes 22 1152 x 870 @ 75Hz, 68.7kHz Yes 23 1280 x 1024 @ 60Hz, 63.4kHz Yes 24 1280 x 1024 @ 75Hz, 79.97kHz Yes 25 1280x 720 @ 60Hz, 45kHz (HDTV) Yes

Primary Presets

1280x1024 @ 60Hz

User Presets

Number of User Presets (recognized timings) Available: 10 presets total in FIFO

configuration

Changing Modes

● Maximum Mode Change Blank Time for image stability: 3 seconds (Max), excluding

“Auto Image Adjust” time.

● Under DOS mode (640 x 350, 720 x 400 & 640 x 400), it should recall factory setting

when execute “Auto Image Adjust”.

● The monitor needs to do “Auto Image Adjust” the first time when a new mode is

detected. (See section “0-Touch™ Function Actions”)

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Panel Characteristics:

Source Panel

Model number Innolux MT170EN01 V1 Type TN type with LVDS interface Active Size 337.9 (H) x 270.3 (V) Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0.264 mm GLASS TREATMENT Anti Glare (Hard coating 3H) # OF BACKLIGHTS 4 CCFL edge-light (2 top / 2 bottom) BACKLIGHT LIFE 40,000 Hours (Min) / 50,000 (Typ) Luminance (Center) – Condition: CT = 6500K, Contrast = Max, Brightness = Max

300 cd/m2 (Typ after 30 minute warm up) 250 cd/m2 (Min after 30 minute warm up)

Brightness Uniformity (13 points)

0.8 (Typ), 0.75(Min) δ = Min Luminance of 13 points/Max Luminance

of 13 points Contrast Ratio 500:1 (Typ), 400:1 (min) Color Depth 16.2 million colors (6 bits + 2 bits FRC) Viewing Angle (Horizontal) @ CR>=10

Typical: 140º

Minimum: 130º

@ CR>= 5 Typical: 160º

Minimum: 150º

VIEWING ANGLE (VERTICAL) @ CR>=10

Typical: 130º

Minimum: 120º

@ CR>= 5 Typical: 160º

Minimum: 150º

Response Time 10%-90% @ Ta=25°C

12 ms (Tr= 3 ms, Tf = 9 ms) (typ)

16 ms (Tr= 5 ms, Tf = 11 ms)(max) Panel Defects Please see Panel Quality Specifications.

AUDIO INTERFACE (SPEAKER SPECIFICATION)

No Audio function

TFT LCD PANEL

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2nd Source Panel

Model number Innolux MT170EN01 V4 Type TN type with LVDS interface Active Size 337.9 (H) x 270.3 (V) Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0.264 mm GLASS TREATMENT Anti Glare (Hard coating 3H) # OF BACKLIGHTS 4 CCFL edge-light (2 top / 2 bottom) BACKLIGHT LIFE 40,000 Hours (Min) / 50,000 (Typ) Luminance (Center) – Condition: CT = 6500K, Contrast = Max, Brightness = Max

300 cd/m2 (Typ after 30 minute warm up) 250 cd/m2 (Min after 30 minute warm up)

Brightness Uniformity (13 points)

0.8 (Typ), 0.75(Min) δ = Min Luminance of 13 points/Max

Luminance of 13 points Contrast Ratio 500:1 (Typ), 400:1 (min) Color Depth 16.2 million colors (6 bits + 2 bits FRC)

Viewing Angle (Horizontal)

@ CR>=10

Typical: 150º

@ CR>= 5

Typical: 170º

VIEWING ANGLE (VERTICAL)

@ CR>=10

Typical: 135º

@ CR>= 5

Typical: 155º

Response Time 10%-90% @ Ta=25°C

8 ms (Tr= 2 ms, Tf = 6 ms) (typ)

18 ms (Tr= 7 ms, Tf = 11 ms)(max) Panel Defects Please see Panel Quality Specifications.

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3rd Source PAnel

Model number Innolux MT170EN01 V7 Type TN type with LVDS interface Active Size 337.9 (H) x 270.3 (V) Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0.264 mm GLASS TREATMENT Anti Glare (Hard coating 3H) # OF BACKLIGHTS 4 CCFL edge-light (2 top / 2 bottom) BACKLIGHT LIFE 40,000 Hours (Min) / 50,000 (Typ) Luminance (Center) – Condition: CT = 6500K, Contrast = Max, Brightness = Max

280 cd/m2 (Typ after 30 minute warm up) 250 cd/m2 (Min after 30 minute warm up)

Brightness Uniformity (13 points)

0.8 (Typ), 0.75(Min) δ = Min Luminance of 13 points/Max

Luminance of 13 points Contrast Ratio 600:1 (Typ), 400:1 (min) Color Depth 16.2 million colors (6 bits + 2 bits FRC) Viewing Angle (Horizontal) @ CR>=10

Typical: 150º

@ CR>= 5

Typical: 170º

@ CR>=10 Typical: 140º Minimum: 130º

VIEWING ANGLE (VERTICAL)

@ CR>=10

Typical: 135º

@ CR>= 5

Typical: 155º

@ CR>=10 Typical: 130º Minimum: 120º

Response Time 10%-90% @ Ta=25°C

8 ms (Tr= 2 ms, Tf = 6 ms) (typ)

16 ms (Tr= 6 ms, Tf = 10 ms)(max) Panel Defects Please see Panel Quality Specifications.

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IMAGE PERFORMANCE

Factory Defaults

Item Defaults Item Defaults Contrast 70% OSD H. Position 50% Brightness 100% OSD V. Position 50% Color Temperature 6500K OSD Time Out 15 Sec Sharpness 33% OSD Background On 720x400/640x400 720x400 Resolution Notice Enabled

Luminance

Lv (Max) – Condition:

Contrast = 100% Brightness = 100% Color Temperature = 6500K

Same as the Luminance in section 4-7 “TFT LCD PANEL”

Lv (Def) – Condition:

Contrast = Default Brightness = Default Color Temperature = 6500K

Lv (Def) / Lv (Max) x 100%

≧ 85%

Display Size

Horizontal Display Size, Primary Preset Full Screen Vertical Display Size, Primary Preset Full Screen

Saturation

Contrast = Default Brightness = Default Test Pattern = 32-Gray

No visible saturation

Contrast = 100% Brightness = 100% Test Pattern = 32-Gray

6 – 8 level saturation (Max)

Preset Color Temperatures

SRGB It should meet IEC 61966-2-1 (1999-10) standard

Preset 1 9300K CCT (Max) = 10250K. CCT (Min) = 8500K

Wx= 0.283 +/- 0.02, Wy= 0.298 +/- 0.02

Preset 2 6500K (Primary) CCT (Max) = 6950K CCT (Min) = 6100K

Wx= 0.313 +/- 0.02 Wy= 0.329 +/- 0.02

Preset 3 5400K CCT (Max) = 5915K CCT (Min) = 4935K

Wx= 0.335 +/- 0.02 Wy= 0.350 +/- 0.02

Preset Color Temperature Adjustability

Each color preset shall be adjustable. Red, Green, and Blue shall be individually controlled.

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MECHANICAL

Dimension (Desktop)

Width 378mm (14.9 inch) Height 374 mm (14.7 inch) Depth 196 mm ( 7.7 inch) Monitor Weight 4.5 Kg (9.9 lbs)

*Refer to Figure 1

Dimension (Head Only / Wall Mount) – Unfolding the Monitor Stand Width 378 mm (14.9 inch) Height 424 mm (16.7 inch) Depth 61 mm (2.38 inch) Monitor Weight 4.5 Kg (9.9 lbs)

*Refer to Figure 1

Ergonomics

Tilt Up

From 0º up to

≧20º

Tilt Down

From 0º down to -3º ~ -5 º

Cabinet Material

Display Head Plastic Material ABS UL94-HB Neck/Base Plastic Material ABS UL94-HB

Internal Plastic Cabinet Components

All internal plastic cabinet components shall be in compliance with the requirements of TCO’03

Front Bezel Color

The reference for the bezel is the silver color (VA702) and the midnight gray color (VA702b) chip provided by ViewSonic

Neck, Base, and Rear Cover Color

The reference for the bezel is the black color (VA702) and the midnight gray color (VA702b) chip provided by ViewSonic. The color difference between any two cabinet components shall be less than 0.80 “Delta E”, in the 1976 CIE L*a*b Colorspace.

Rear logo color

The rear logo is silver color with the black color background (VA702) and midnight gray color and background (VA702b) chip provided by ViewSonic

Cabinet Color Drift Due To UV-Light

The color drift due to UV-Light shall be less than

3.0 “Delta E” in the 1976 CIE L*a*b colorspace. Testing shall be performed according to the requirements of ASTM Test Method D4459-93.

Cabinet Texture Mold-Tech # 11010 used on all external textured

surfaces.

Samples

The supplier shall submit textured color chips, plastic material specifications, and Material Safety Data Sheets for approval.

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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 OSD controls which display on the screen. The OSD controls are explained at the top of the next page and are defined in “Main Menu Controls” on page 10.

Main Menu

with OSD controls

Front Control Panel

shown below in detail

Scrolls through menu options and adjusts the displayed control.

Also a shortcut to display the Contrast adjustment control screen.

Displays the control screen

for the highlighted control.

Also toggles between two

controls on some screens.

Also a shortcut to Auto

Image Adjust.

Power light Green = ON Orange = Power Saving

Standby Power On/Off

Displays the

Main Menu or

exits the

control screen

and saves

adjustments.

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Do the following to adjust the display setting:

1. To display the Main Menu, press button [1].

NOTE: All OSD 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 to adjust, pressSorTto scroll up or down in the Main Menu.

3. After the desired control is selected, press button [2]. A control screen like the one shown

below appears.

4. To adjust the setting, press the upSor downTbuttons.

5. To save the adjustments and exit the menu, press button [1] twice.

The following tips may help you optimize your display:

• Adjust the computer's graphics card so that it outputs a 1280 x 1024 @ 60Hz video signal to the LCD display. (Look for instructions on “changing the refresh rate” in the graphics 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.)

The line at the bottom of the screen shows the current functions of buttons 1 and 2: Exit or select the Brightness control.

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Main Menu Controls

Adjust the menu items shown below by using the upSand downTbuttons.

Control Explanation

Auto Image Adjust automatically sizes, centers, and fine tunes the video signal to eliminate waviness and distortion. Press the [2] button to execute Auto Image Adjust.

NOTE: Auto Image Adjust works with most common video cards. If this function does not work on your LCD display, then lower the video refresh rate to 60 Hz and set the resolution to its pre-set value.

Contrast adjusts the difference between the image background (black level) and the foreground (white level).

Brightness adjusts background black level of the screen image.

Color Adjust provides several color adjustment modes, including preset color

temperatures and a User Color mode which allows independent adjustment of red (R), green (G), and blue (B). The factory setting for this product is 6500K (6500 Kelvin).

sRGB - This 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 - Adds blue to the screen image for cooler white (used in most office settings with fluorescent lighting).

6500K - Adds red to the screen image for warmer white and richer red.

5400K - Adds green to the screen image for a darker color.

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Control Explanation

User Color - Individual adjustments for red (R), green (G), and blue (B).

1. To select color (R, G or B) press button [2].

2. To adjust selected color, pressSorT.

3. When all color adjustments are complete, press button [1] twice.

Information displays the timing mode (video signal input) coming from the

graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. See your graphics 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.

Manual Image Adjust

H./V. Position (Horizontal/Vertical Position) moves the screen image left or

right and up or down. Press button [2] to toggle between Horizontal and Vertical. The Horizontal setting moves the screen image to the left or to the right. The Vertical setting moves the screen image up and down.

H. Size (Horizontal Size) adjusts the width of the screen image.

Fine Tune sharpens the focus by aligning text and/or graphics with pixel

boundaries.

NOTE: Try the Auto Adjust function before using the Fine Tune control.

Sharpness adjusts the clarity and focus of the screen image.

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Control Explanation

Setup Menu displays the menu shown below:

Language Select allows the user to choose the language used in the menus and

control screens.

Resolution Notice advises the optimal resolution to use.

OSD Position allows the user to move the OSD menus and control screens.

OSD Timeout sets the length of time the OSD screen is displayed. For example,

with a “15 second” setting, if a control is not pushed within 15 seconds, the display screen disappears.

OSD Background allows the user to turn the OSD 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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4. Circuit Description

Electronic Circuit Theory

1 Switching Mode Power Supply

1.1 AC Current Input Circuit P801 is a connector for connecting AC Power. F801 is a fuse to protect all the circuit. AC input voltage is from 90V to 264V. R820 and R821 joined between two inputting main circuit to prevent man from shock. L801 is used to clear up low frequency wave. C801 and C806 are used to discharge the waves that L801 produced. High frequency waves are damped by C801 and C806. D801 is a rectifier which composed of 4 build-in diodes, it inverts AC to DC.

1.2 High Voltage to Low Voltage Control Circuit C805 is used to smooth the wave from rectifier. IC802 is a highly integrated PWM controller, which build-in a power MOSFET. When rectified DC high voltage is applied to the DRAIN pin during start-up, the MOSFET is off initially, and the CONTROL pin capacitor is charged through a switched high voltage current source connected internally between the DRAIN and CONTROL pins. When the CONTROL pin voltage Vc reaches approximately 5.8V, the control circuitry is activated and the soft-start begins. The soft-start circuit gradually increases the duty cycle of the MOSFET from zero to the maximum value over approximately 10ms. If no external feedback/supply current is fed into the CONTROL pin by the end of the soft-start, the high voltage current source is turned off and the CONTROL pin will start discharging in response to the supply current drawn by the control circuitry.

Resistor R803, R807, R824 and R825 are for line over voltage shut-down (OVP) and line under-voltage detection (UVP).Resistors R801, R805, R822, and R823 are for external current limit adjustment, and used to reduce the current limit externally to a value close to the operating peak current of primary about

1.35A. The mean is power will protected when the primary current over about 1.35A.

When PWM is turned off, the main current flow will be consumed through D804 and ZD802, This will prevent MOSFET which built-in IC802 from being damaged under large current impulse and voltage spike.

D806 and C815 provide internal Auxiliary current to CONTROL pin during normal operation. In addition, error amplifier and feedback current to the CONTROL pin are for duty cycle control.

1.3 DC_5V and DC_14V Output Circuit For DC 5V, D805 is used to rectify the inducted current. R806 and C811 are used to store energy when current is reversed. The parts including C812, C814, C822, C821, B801 and L803 are used to smooth the current waves. For DC 14V, D803 is used to rectify the inducted current. R802 and C802 are used to store energy when current is reversed. The parts including C808, C810 and L802 are used to smooth the current waves.

1.4 Feedback and OVP Protect Circuit Pin R of IC803 is supplied 2.5V stable voltage. It is connected to 5V and 14V output through R811, R810 and R818. R811, R810 and R818 are output sampling resistor. When the sampling voltage more than 2.5V or less than 2.5V, feedback current of IC802 will change, this can change the voltage from transformer T801.

For 5VDC output OVP, ZD803 is a zener diode, when 5V output voltage becomes up to 5.6V, the zener current cause R819 voltage become up to 0.7V, Q801 is triggered and OVP starts. For 12VDC output OVP, ZD804 is a Zener Diode, when 14V output voltage becomes up to 16V, the zener current cause R819 voltage become up to 0.7V, Q801 is triggered and OVP starts. The collector current of Q801 is used to make build-in diode light. FB Current of IC802 will be changed; it can change the voltage from T801.

Q802, R827, R828 and ZD801 make up of dummy loading circuit. For start-up sequence, during 5V output take place high loading first, this dummy loading circuit operated to insure 14V not be increased.

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2 Inverter circuit

2.1 Low voltage to high voltage circuit

12VDC supplies the power to IC501 through F501; the control signals that BRIGHTNESS and ON/OFF

come from I/F board. ON/OFF signal connect to pin8 of IC501 and makes IC501 enabled. BRIGHTNESS is connected to pin7 of IC501 to adjust the panel luminance. R524, R529, C505 make up of a delay-time circuit and R528, R523, R524 make up of a voltage divided circuit. C504 is used to filter the high frequency noise. The operation frequency is determined by R522 and C529. For BURST MODE, its dimming frequency is determined by R527 and C506. C502 is used for soft start and compensation, C502, C528 are used to filter noise. The output drives, including NDR4, NDRV2, PDRV3, PDRV1 (pins1, 3, 15, 16 respectively), generate a square pulses to drive MOSFET U501, U502. And U501, U502 works as full-bridge topology, it is high efficient, zero voltage switch.

During start up, VSEN (pin9) detects the voltage at the transformer secondary. When VSEN reaches

3.0V, the output voltage is regulated. If no current is detected for around 1.5 seconds, IC501 will shut down. The current flowing through CCFL is detected and regulated through sense resistor R509, R511. The feedback voltage through R506, R507, and C508 connected to Pin11 (ISEN), and then compared with a reference voltage (1.5V) via a current amplifier, resulting in PWM drive outputs to full-bridge switches.

2.2 Protection circuit

Over Voltage Protection: R501and R502 are connected in high voltage output connector, the divided AC voltage is inverted DC voltage through D508, R505 and C507are used to rectify wave & dump noise. Then the voltage signal reaches Pin9 VSEN of IC501, when the voltage changes, build-in PWM of IC501 will adjust output voltage. Open Lamp Protection: In normal operation, the resistors R510, R511, R512, R509 are sensed a high level AC voltage, the AC signal IS1 invert DC voltage through D509, R515, C533, and the high level DC voltage reaches the gate pin of Q502, similarly, the gate pin of Q503, Q504, Q505 has high level DC voltage. So the gate pin of Q501 has a low level voltage, and the IC501 is normal operation. Once one of signal IS1, IS2, IS3, and IS4 is low, the voltages of Q501 gate pin is high level, and make the voltage of ISEN low level, the IC501 will shut down.

3 I/F Board Circuit

3.1 Power Input

+5V is from the power board and supply for U101(FS8860-18PJ)﹑U102(FS8860-33PJ)﹑ U105(MCU:W78E65P) and panel. +3.3V output is generated from +5V through C169 and C102

filtering, and U102 outputs. +3.3V is used for U104 (Scaler: TSU16AK). +1.8V output is generated from +5V through C169, C105 and C102 filtering, and U101 outputs. +1.8V is also used for U104.

3.2 MCU (W78E65P)

VDD is +5V and its frequency of XTAL1 is 22.1184MHz. U105 #2 is defined as panel-enable. When the I/O port is low, Q101 and Q102 are conducted. And then after C109 and C110 filtering, obtain the voltage of VLCD, which will be connected to CN103. U105 #3 is defined as CCFL-enable. When the I/O port is low, Q103 is pulled up and the backlights are on; When the I/O port is high, Q103 is conducted and the backlights are off. U105 #4 is defined as DET-VGA, connected with CN102 #5. U105 #14, #36, #37, #38, #39, #40, #41, #42, #43 are the communications with U104 (Scaler), which are connected to #72, #31, #78, #77, #30, #70, #71, #69, #32 of Scaler. U105 #43 outputs reset signal to U104 (Scaler). U106 is EEPROM used for saving EDID data, which is connected by SCL and SDA pins with #16 and #17 of MCU. Connect #12 to #26 of U105 for ISP.

3.3 Scaler (TSU16AK)

The frequency of XTAL2 is 14.318MHz. U104 #1, #102-#103, #106-#113, #118-#125, #128 output LVDS digital data of 8 bit to panel control circuit through CN103. U104 #73 generates a PWM waveform by regulating the duty to control the brightness of the backlights. U104 #30-#32, #69-#72, #77-#78 are the communications with U105 (MCU) that are connected to #36-#43 of MCU. These communications include HWRESET, CSZ/ALE, SCL/RDZ, SDA/WRZ, and AD0-AD3.

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3.4 VGA Input

Signal R, G, B, SOG input through CN102 #1, #2, #3, and C115, C116, C117 and C118 filtering the high frequency noise. Signal HSYNC and VSYNC input through CN102 #13 and #14, and C119, R119, C120, R120 filtering. Then the analog signal enters U104, and then U104 deals with it internally. In addition, TVS101, TVS102, TVS103 (the three are BAV99), TVS104, TVS105, TVS106, TVS107 (they are constant voltage diode of 5V6) are ESD protector. Signal DDC-SCL inputs via CN102 #15, and then passes through TVS107 for ESD protection, goes into EDID EEPROM IC U103. Signal DDC-SDA inputs via CN102 #12, and then passes through TVS106 for ESD protection, goes into EDID EEPROM IC U103. CN102 #5 is defined as cable detect pin, this detector realizes via R107 and U105 #4. The PC-5V of U103 is supplied by PC via CN103 #9 with D103 for ESD protection, or supplied by Monitor self via D104.U103 is an EEPROM IC, which is a kind of memory and used for saving EDID data.

3.5 Button Control

Button “Key-Power” is defined as power on/off, which is connected to U105 #24 through CN106 #4. Button “Key-2” is defined as two functions of selecting and adjustment, which is connected to U105 #25 through CN106 #1. Button “Key-Up” is defined as plus, which is connected to U105 #26 through CN106 #3. Button “Key-Down” is defined as minus, which is connected to U105 #27 through CN106 #5. Button “Key-1” is defined as two functions of menu and exit, which is connected to U105 #28 through CN106 #2. LED indicator on the front bezel is defined as follows: a. When press button “Key-Power”, U105 #6 is pulled down and U105 #7 is pulled high, so Q104 is

conducted and the LED indicator is green.

b. When in power-saving mode, U105 #6 is pulled high and U105 #7 is pulled down, so Q105 is

conducted and the LED indicator is orange.

3. FACTORY PRESET TIMING TABLE

Item Resolution

H-Freq.

(KHz)

V-Freq.

(Hz)

Dot Clock

(MHz) 1 640 x 350 31.5kHz 70Hz 25.2 2 640 x 400 31.5kHz 60Hz 25.2 3 640 x 400 31.5kHz 70Hz 25.2 4 24.7kHz 50Hz 19.8 5 31.5kHz 60Hz 25.2 6 35.0kHz 67Hz 30.2 7 37.9kHz 72Hz, 31.5 8 37.5kHz 75Hz, 31.5 9

640 x 480

43.27kHz 85Hz 36.0 10 720 x 400 31.5kHz 70Hz 28.3 11 35.1kHz 56Hz 36.0 12 37.9kHz 60Hz 40.0 13 48.1kHz 72Hz 50.0 14 46.9kHz 75Hz 49.5 15

800 x 600

53.7kHz 85Hz 56.3 16 832 x 624 49.7kHz 75Hz 57.3 17 48.4kHz 60Hz 65.0 18 56.5kHz 70Hz 75.0 19 58.1kHz 72Hz 78.5 20 60.0kHz 75Hz 78.8 21

1024 x 768

68.67kHz 85Hz 94.5 22 1152 x 870 68.6kHz 75Hz 100 23 63.4kHz 60Hz 108 24

1280 x 1024

79.97kHz 75Hz 135 25 1280 x 720 45kHz 60Hz 74.2

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4. Power On/Off Sequence

4.1 Hardware Power ON

When power cord is plugged into AC socket, SMPS starts work and provides U105 and U106 with VCC5V. When VCPU inputs to U105, U105 resets circuit active, sets U105 all registers to preset modes, and then U105 #43 sends out a HWRESET signal voltage to reset U104, and then monitor goes into stand-by mode. That means hardware power on has been completed.

4.2 Software Power ON/OFF

When press power key, U105 #24 recieves low pulse, and sends out “Power on/off” order back to U104, and then U104 will do the power on/off.

- If Power ON, U105 #6 (LED_Green) will send out High potential, and then LED green on.

- If Power OFF, U105 #7 (LED_Orange) will send out High potential, and then LED Orange on.

The Panel_Vcc, Backlight_En, CLK/DATA output to panel will follow the following sequency.

T1 (ms) T2 (ms) T3 (ms) T4 (ms) T5 (ms) T6 (ms) T7 (ms)

0.1~10 0~10 >200 >100 0~50 0.1~10 >1000

5. AC Outlet Pin Assignment

Pin Symbol Description

1 L Live

2 N Neutral

3 E GND

6. Inner Connector Pin Assignment

6.1 CN501, CN502, CN503, CN504 (Connect to Panel Backlight, SM02B-BHSS-1-TB or equivalent)

Pin Symbol Description

1 H.V. High voltage for lamp 2 L.V. Low voltage for lamp

6.2 CN101 (Power BD to Interface BD)

Pin No.

Symbol Description

1,2 +5V (VCC5V) +5.2V output 3,6 GND Ground

P801

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4 BRIGHTNESS Brightness Control 5 ON/OFF CCFL on/off Control

6.3 CN106 (Interface BD to Keypad)

Pin No.

Symbol Description

1 KEY_SELECT/AUTO Select control and auto adjustment control 2 KEY_MENU/EXIT OSD page selection and exit 3 KEY_UP OSD “▲” control to adjust value to increase 4 KEY_POWER DC power on/off control 5 KEY_DOWN OSD “▼” control to adjust value to decrease 6 LED_GREEN Green LED lighting control 7 GND Ground 8 LED_ORANGE Orange LED lighting control

6.4 CN103 (Connect I/F BD to panel, FI-X30S-H or Equivalent)

Pin No. Symbol Function

1 RXO0- minus signal of odd channel 0(LVDS) 2 RXO0+ plus signal of odd channel 0(LVDS) 3 RXO1- minus signal of odd channel 1(LVDS) 4 RXO1+ plus signal of odd channel 1(LVDS) 5 RXO2- minus signal of odd channel 2(LVDS) 6 RXO2+ plus signal of odd channel 2(LVDS) 7 GND Ground

8 RXOC- minus signal of odd clock channel (LV DS ) 9 RXOC+ plus signal of odd clock channel (LVDS)

10 RXO3- minus signal of odd channel 3(LVDS) 11 RXO3+ plus signal of odd channel 3(LVDS)

12 RXE0- minus signal of even channel 0(LVDS) 13 RXE0+ plus signal of even channel 0(LVDS) 14 GND Ground

15 RXE1- minus signal of even channel 1(LVDS) 16 RXE1+ plus signal of even channel 1(LVDS) 17 GND Ground 18 RXE2- minus signal of even channel 2(LVDS) 19 RXE2+ plus signal of even channel 2(LVDS) 20 RXEC- minus signal of even clock channel (LVDS) 21 RXEC+ plus signal of even clock channel (LVDS) 22 RXE3- minus signal of even channel 3(LVDS) 23 RXE3+ plus signal of even channel 3(LVDS) 24 GND Ground 25

GND Ground

GND Ground or Open

GND Ground 28 VCC Power supply (5.0 V) 29 VCC Power supply (5.0 V) 30 VCC Power supply (5.0 V)

6.5 CN102 (D-SUB Connector)

Pin Symbol Pin Symbol Pin Symbol

1 Red video input 6 Red GND 11 NC 2 Green video input 7 Green GND 12 Serial data (SDA) 3 Blue video input 8 Blue GND 13 H / H+V SYNC

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4 NC 9 +5V(from PC) 14 VSYNC 5 Cable Detect 10 GND 15 Data clock line (SCL)

7. Key Parts Pin Assignment

7.1 IC802 (TOP246Y, Power Control IC)

Pin Symbol I/O Description

1 C I Control 2 L I Line Sense 3 X I External Current Limit 4 S O Source of MOSFET(GND) 5 F I Frequency 6 D I Drain of MOSFET

7.2 IC501 (OZ9910G, CCFL inverter controller IC)

Pin No. Symbol I/O Description

1 NDRV4 O

Bottom MOSFET gate drive output in dual forward converter

2 PGND High-current power ground

3 NDRV2 O

Bottom MOSFET gate drive output in dual forward

converter 4 GNDA Low-current signal ground 5 CT I Timing capacitor of high frequency oscillator

6 LCT I Timing capacitor of set LPWM frequency 7 ADJ I Control command input –DC 8 ENA I Enable input

9 VSEN

Voltage sense feedback

10 CMP_SST

Soft start and loop compensation capacitor

11 ISEN

Current sense feedback

12 VREF

Reference voltage output

13 VIN

Supply voltage for IC

14 HSB

High side driver buffer output

15 PDRV3

Top MOSFET gate drive output in dual forward converter

16 PDRV1

Top MOSFET gate drive output in dual forward converter

7.3 U104 (TSU16AK)

Pin Symbol I/O Description

1 LVBOM O

B-Link Negative LVDS Differential Data

2 GND Ground 3 BYPASS

For External Bypass Capacitor

4 NC Not connected 5 NC Not connected 6 BUSTYPE IN Low : Serial bus; High : Direct bus

7 NC Not connected 8 NC Not connected

9 NC Not connected 10 GND Ground 11 VDDP O Digital Output Power 12 NC Not connected

13 NC Not connected 14 NC Not connected 15 NC Not connected

16 NC Not connected

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17 NC Not connected 18 VDDC I

Digital Core Power 19 GND Ground 20 GND Ground 21 VDDP O Digital Output Power 22 NC Not connected 23 NC Not connected 24 NC Not connected 25 NC Not connected 26 NC Not connected 27 NC Not connected 28 NC Not connected 29 NC Not connected 30 AD0 I/O DDR direct bus AD0; 4mA driving strength 31 AD3 I/O DDR direct bus AD3; 4mA driving strength 32 HWRESET I Hardware reset; active high 33 XIN I Crystal Oscillator Input 34 XOUT O Crystal Oscillator Output

35 AVDD_MPLL

MPLL Power 36 GND Ground

37 HSYNC0 I Analog HSYNC input 38 VSYNC0 I Analog VSYNC input 39 GND Ground 40 NC Not connected 41 NC Not connected 42 GND Ground

43 NC Not connected 44 NC Not connected 45 VDD_ADC I

ADC Power 46 NC Not connected

47 NC Not connected 48 GND Ground

49 NC Not connected 50 NC Not connected 51 VDD_ADC I

ADC Power 52 REXT External resistor 390 ohm to AVDD ADC

53 AVDD PLL I PLL Power 54 GND Ground 55 AVDD ADC I ADC Power 56 GND Ground 57 BINOM I

Reference ground for analog blue input 58 BINO I Analog blue input 59 GINOM I

Reference ground for analog green input

60 GINO I

Analog green input 61 SOGIN0 I

Sync-on-green input 62 RINOM I

Reference ground for analog red input 63 RINO I

Analog red input 64 GND

Ground 65 AVDD_ADC I

ADC Power 66 REFP

Internal ADC top de-coupling pin 67 REFM Internal ADC bottom de-coupling pin

68 GND Ground 69 ALE/CS I DDR direct bus ALE; active high

70 WRZ/SDA I/O DDR direct bus WRZ; active low 71 RDZ/SCL I DDR direct bus RDZ; active low 72 INT O CPU interrupt; 4mA driving strength

73 PWM0 O

PWM0; 4mA driving strength 74 PWM1 O

PWM1; 4mA driving strength 75 NC Not connected

76 NC Not connected

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77 AD1 I/O DDR direct bus AD1; 8mA driving strength 78 AD2 I/O DDR direct bus AD2; 8mA driving strength 79 NC Not connected 80 NC Not connected 81 NC Not connected 82 NC Not connected 83 NC Not connected 84 VDDP O

Digital Output Power

85 GND Ground 86 GND Ground 87 VDDC I

Digital Core Power

88 NC Not connected 89 NC Not connected 90 NC Not connected 91 NC Not connected

92 NC Not connected 93 NC Not connected 94 VDDP O Digital Output Power 95 GND Ground 96 GND Ground 97 VDDC I Digital Core Power 98 NC Not connected 99 NC Not connected

100 NC Not connected 101 NC Not connected 102 LVA3P O

A-Link Positive LVDS Differential Data

103 LVA3M O

A-Link Negative LVDS Differential Data

104 VDDP O Digital Output Power 105 GND Ground

106 LVACKP O

A-Link Positive LVDS Differential Clock

107 LVACKM O

A-Link Negative LVDS Differential Clock

108 LVA2P O

A-Link Positive LVDS Differential Data

109 LVA2M O

A-Link Negative LVDS Differential Data

110 LVA1P O

A-Link Positive LVDS Differential Data

111 LVA1M O

A-Link Negative LVDS Differential Data

112 LVA0P O

A-Link Positive LVDS Differential Data

113 LVA0M O

A-Link Negative LVDS Differential Data

114 VDDP O Digital Output Power 115 GND Ground 116 GND Ground 117 VDDC Digital Core Power 118 LVB3P O

B-Link Positive LVDS Differential Data

119 LVB3M O

B-Link Negative LVDS Differential Data

120 LVBCKP O

B-Link Positive LVDS Differential Clock

121 LVBCKM O

B-Link Negative LVDS Differential Clock

122 LVB2P O

B-Link Positive LVDS Differential Data

123 LVB2M O

B-Link Negative LVDS Differential Data

124 LVB1P O

B-Link Positive LVDS Differential Data

125 LVB1M O

B-Link Negative LVDS Differential Data

126 VDDP O Digital Output Power

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127 GND Ground 128 LVBOP O

B-Link Positive LVDS Differential Data

7.4 U105 (Micro-controller: W78E65P-40)

Pin Symbol I/O Description

1 P4.2/INT3 A bi-directional I/O port with alternate function. 2 P1,0/T2 O Enable panel power on 3 P1.1/T2EX O Enable CCFL work 4 P1.2 I VGA cable detection 5 P1.3/PWM0 O provide alternated function of PWM Volume

6 P1.4/PWM1 O

provide alternated function of PWM Green LED lighting control

7 P1.5/PWM2 O

provide alternated function of PWM Orange LED

lighting control 8 P1.6/PWM3 Function is the same as that of standard 8052 9 P1.7/PWM4 Function is the same as that of standard 8052

10 RST I Reset control pin 11 P3.0/RXD SCL line of I2C for EDID, debug function

12 P4.3/INT2

PORT 4: A bi-directional I/O port with alternate

function.

13 P3.1/TXD SDA line of I2C for EDID, debug function 14 P3.2/INT0 I Interrupt request control pin 15 P3.3/INT1 O Shut Down Volume Mute standard 8052. 16 P3.4/T0 O SCL line of I2C communication with EEPROM 17 P3.5/T1 I/O SDA line of I2C communication with EEPROM 18 P3.6/WR I DVI cable detection standard 8052.

19 P3.7/RD O

EEPROM write protection control for DVI EDID

Prevent E2PROM Write in standard 8052.

20 XTAL2 Crystal 22.1184MHz In 21 XTAL1 Crystal 22.1184MHz out 22 GND Sink voltage ground 23 P4.0 A bi-directional I/O port with alternate function. 24 P2.0/A8 DC power on/off control 25 P2.1/A9 OSD “►” control to adjust value to increase 26 P2.2/A10 OSD “◄” control to adjust value to decrease 27 P2.3/A11 Selection of menu command listed 28 P2.4/A12 OSD page selection 29 P2.5/A13 Auto adjustment control 30 P2.6/A14 A bi-directional I/O port with internal pull-ups 31 P2.7/A15 A bi-directional I/O port with internal pull-ups 32 PSEN Program Store Enable 33 ALE Address Latch Enable 34 P4.1 A bi-directional I/O port with alternate function

35 EA I

External Access Enable external ROM. The ROM

address and data will not be presented on the bus if

the EA pin is high and the program counter is

within the 64 KB area.

36 P0.7/AD7 I/O DDR Direct Bus Communication with Scaler 37 P0.6/AD6 I/O DDR Direct Bus Communication with Scaler 38 P0.5/AD5 I/O DDR Direct Bus Communication with Scaler 39 P0.4/AD4 I/O DDR Direct Bus Communication with Scaler 40 P0.3/AD3 I/O WRZ line of DDR Direct Bus 41 P0.2/AD2 I/O RDZ line of DDR Direct Bus 42 P0.1/AD1 I/O ALE line of DDR Direct Bus 43 P0.0/AD0 O Hardware reset to Scaler 44 +5V I +5V for MCU working voltage

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Disassembly Block

VA702/b (INL PANEL)DIS-ASSEMB LY BLOCK

Note: Arrows are disassembly directions.

BASE SUB-ASSM *1 HINGE COVER*2

(SCREW,P,CROSS,M5*22, Ni*4)

BEZEL SUB-ASSM *1

(SCREW,B,CROSS,T4*10, BLK*4)

HINGE,RIGHT*1 HINGE,LEFT*1

(SCREW,F,CROSS,T4*10, Ni*4) (SCREW,I ,CROSS,M3*4,Zw*1)

BACK COVER SUB-ASS’Y*1

BEZEL

SUB-ASSM(G/S)

BUTTON FUNCTION KEY*1

LED LENS*1 FRONT BEZEL (G/S)*1

BACK COVER

SUB-ASS’Y

SUPPORT VESA *1

PLATE BASE *1

Rubber spacer*1

Logo *1

BACK COVER *1

BRACKET_R*1 GROUND WIRE*1 KEYPAD CABEL* KEYPAD ASSM*1

(SCREW,PW,CROSS,M3*5, Ni *2) (SCREW,I ,CROSS,M3*4,Zw*2) (Ace tape*4)

INL PANEL*1 BRACKET_R*1

(SCREW,PW,CROSS,M3*5, Ni *2) (SCREW,I ,CROSS,M3*4,Zw*2) (Ace tape *2)

IF BOARD*1 POWER BOARD*1 FFC CABLE*1 CLIP,WIRE*1

(SCREW,PW,CROSS,M3*5, Ni*5) (BOLT, #4-40x11.8, Ni*2)

INSULATOR,MYLAR*1

CHASSIS*1

BASE COVER

SUB-ASS’Y

BASE COVER *1

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Assembly Block

VA702/b (INL panel)ASSEMBLY BLOCK

Note: Arrows are assembly directions.

CHASSIS*1

INSULATOR,MYLAR*1

IF BOARD*1 POWER BOARD*1 FFC CABLE*1 CLIP,WIRE*1

(SCREW,PW,CROSS,M3*5, Ni*4) (BOLT, #4-40x11.8, Ni*2)

INL PANEL*1 BRACKET_L*1

(SCREW,PW,CROSS,M3*5, Ni*2) (SCREW,I ,CROSS,M3*4,Zw*2) (Ace tape*2)

FRONT BEZEL (G/S)*1 LED LENS*1

BUTTON FUNCTION KEY*1

LOGO PLATE,THREE BRID*1

LOGO PLATE

“VIEWSONIC”*1

BEZEL SUB-ASSM(G/S )

BACK COVER *1

BACK COVER

SUB-ASS’Y

LOGO PLATE(ELLIPSE)*1

Rubber*1

SUPPORT VESA *1

BRACKET_R*1 GROUND WIRE*1 KEYPAD CABEL*1 KEYPAD ASSM*1

(SCREW,PW,CROSS,M3*5, Ni*2) (SCREW,I ,CROSS,M3*4,Zw*2) (Ace tape*4)

BACK COVER SUB-ASS’Y*1

HINGE,RIGHT*1 HINGE,LEFT*1

(SCREW,F,CROSS,T4*10, Ni*4) (SCREW,I ,CROSS,M3*4,Zw*1)

BEZEL SUB-ASSM *1 ID LABEL*1

(SCREW,B,CROSS,T4*10, BLK*4)

BASE SUB-ASSM *1 OPENING STAND LABEL*1 HINGE COVER*2

(SCREW,P,CROSS,M5*22, Ni*4)

BASE COVER

SUB-ASS’Y

BASE COVER *1

PLATE BASE *1

RUBBER FOOT LE1708 *4

S/N LABEL*1

QC LABEL*1

HI POT LABEL*1

V17 LCD MONITOR

NAL ASM(INL)

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5. Adjustment Procedure

1. Key Function Description

CONTROL

KEY

KEYS FUNCTION

[AUTO] [2] By pressing [AUTO] key, “Auto Image Adjust” is performed

[MENU] [1] By pressing [MENU] key, Main menu display

[▼] [▲]

A. When “MENU OSD” display, press these keys to change the contents of an

adjustment item, or change an adjustment value

B. When “MENU OSD” is un-display, press these keys to change brightness

and contrast

[POWER] Power on or power off the monitor

Hot Key Operation

CONTROL

KEY

KEYS FUNCTION

[▼] + [▲]

Recall Contrast or Brightness while in the Contrast or Brightness

adjustment, or recall both of Contrast and Brightness when the OSD is not open.

[1] + [2] Toggle 720x400 and 640x400 mode when input 720x400 or 640x400 mode.

[1] + [▼] +

[▲]

White Balance (Not shown on user’s guide)

[1] + [▼] Power Lock

[1] + [▲] OSD Lock

Remark : All the short cuts function are only available while OSD off

3. OSD Control

3.1 OSD table

Layer 1 Layer 2 Layer 3

Auto Image Adjust

Contrast (+ / -)

Contrast/Brightness

Brightness (+ / -) Srgb 9300K 6500K 5400K

Red (+ / -) Green (+ / -)

Color Adjust

User Color

Blue (+ / -)

Information

H Position (+ / -)

H/V Position

V Position (+ / -)

Manual Image Adjust

H Size + / -

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Fine Tune + / Sharpness + / -

English French German Italian Spanish Finnish Japanese Simplified Chinese

Language Select

Traditional Chinese

Resolution Notice On/Off

H Position (+ / -)

OSD Position

V Position (+ / -)

OSD Time Out

Setup Menu

OSD Background On/Off

Memory Recall

3.2 OSD lock Menu function

OSD Lock Menu Function Check Item Method Phenomenon

Activate OSD lock [1] + [▲] 10S

Press any of buttons"1", "▼", "▲", "2" will appear "OSD Locked" 3s

Deactivate OSD lock: [1] + [▲] 10S(again)

NOTICE: When the OSD is locked will lock all functions. Status bar indicating OSD Lock or Unlock is in progress and when complete it will indicate “OSD Locked” OSD Lock should not lock Power Button and Power Lock function

3.3 Power lock Menu function

Power Lock Menu Function Check Item Method Phenomenon Activate Power Lock

[1] + [▼] 10S

Can not turn off the LCD; Press the power button will appear "Power Button Locked" OSD 3s; LCD would automatically turn back "On" when power is

restored after a power failure Deactivate Power Lock

[1] + [▼] 10S(again)

NOTICE: Status bar indicating Power Button lock or unlock is in progress and when complete it will indicate “Power Button Locked” Power should only be lockable in the “On State”

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3.4 Resolution notice function

Resolution Notice Menu Item Method Phenomenon

Activate Resolution Notice Menu

Resolution Notice OSD should show on screen after changing to non-native mode for 30 sec, And it should disappear after 10s or by pushing button [1] or [2]

------

Deactivate Resolution Notice Menu

Push button [2] under Resolution Notice OSD, select Disable

-------

3.5 Factory Mode Introduction

When input the signal, press “power key” to turn off the monitor. Press” [▼] +[▲] +[ ] “at the same time so as to enter factory mode. After power on, press ‘’Menu[1]’’ key, you can see the Factory menu.

INL : Currently using panel model name V2 050526 : Currently using firmware version information. Auto Color : Automatically calibrate chip ADC parameter by using chip internal DAC Color Temperature : The R, G, B of 9300K and 6500K and 5400K and User Mode

Colors are all generated from scaling back end.

4. Burn-in pattern

If it is a new monitor, and in factory mode, if no VGA signal input, Burn-in pattern will self generate automatically. Burn in patterns are: full Red, Green, Blue, White and Black. You can not escape from Burn-in pattern until plug in VGA Cable, and then press the power key. Turn the monitor off and then turn it on.

5. Auto Color (Automatically calibrate chip ADC parameter by using chip internal

DAC)

If it is a new-built set and it is first time to do the “auto color”, please confirm the following steps:

-Connect the VGA cable with the standard video pattern generator and display 16-gray pattern on the monitor.

- Press “Power” to power off the monitor.

- Press” [▼] +[▲] +[

] “simultaneously to enter factory mode.

- Press ‘’Menu[1]’’, then press ‘’Auto[2]’’ to execute Auto color item.

- After the “Auto Color” process finished, please press “Power” to restart monitor.

6. EDID (Rewrite EDID data to EEPROM)

If we need to rewrite the EEPROM data, please confirm the following steps.

1. Plug in VGA Cable; we can rewrite the EDID data to EEPROM by using “EDID Rewrite” program.

2. If the “EDID Rewrite” process finished, please pull out VGA cable and press ‘’2’’+’’▲’’ at the same time.

3. Pull out AC power cable or press power key to restart.

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7. Upload firmware to MCU via VGA Cable

7.1 Connect ISP board between monitor and PC as below configure

7.2 Before plug in the power cord, make sure keep “▲“ key to be pressed, when power on you can

enter ISP mode.

7.3 8051ispwriter.exe will detect automatically which MCU used in this monitor. Do it as the order

shown on the screen, choose the corresponding firmware version, and load to MCU.

7.4 After finish, please plug out power cable and re-start monitor again.

8 After repair, to ensure the quality you should do the following test and

adjustment

Item Content Equipment

Test OSD function

1.Signal is set as 1280x1024@60Hz

2. LCM button are from left to right, checking whether each single function key and compound function key can be worked.

Chroma Signal Generator

Contrast Check

1. Set input mode to 1280x1024@60Hz

2. Set Pattern to 32 gray shades

3. Set contrast to the max. The brightest 5~6 shades brightness cannot be distinguished.

Chroma Signal Generator

Color Temperature

1. Do “Auto color” at 1280 x 1024@60Hz, 32gray shades

2. Measure color temperature, check it complies with the

following temperature:

5400K x=0.335 +/- 0.02, y=0.350 +/- 0.02

6500K x=0.313 +/- 0.02, y=0.329 +/- 0.02

9300K x=0.283 +/- 0.02, y=0.298 +/- 0.02

Chroma Signal Generator and color analyzer

Modes switching

check

1. Use Chroma Pattern Generator to make sequence.

VESA (640x480 800x600 1024x768 1280x1024), MAC 832x624 DOS (640x350 720x400), the detail supported modes and power saving signal.

2. Confirm the above timing modes must be full screen and the picture must be normal.

3. LED is Orange at power saving mode.

Chroma Signal Generator

ISP Board

RS232

9PIN

D-SUB

15PIN

D-SUB

15PIN

PC VGA output

LCD Monitor D-Sub

Insert to RS232 9pin CON on PC

Normal shipping cable

Service cable

+12V Adapter

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Y measurement at default setting

1. Set brightness to default value 100 and contrast to default

value 70 at 6500K

2. At full white patter, Measure Y, which should be

250+/-10cd/m² (QDI 220+/- 10cd/m²)

Chroma Signal Generator and Color Analyzer

Panel Flicker check

1. Mode: 1280x1024@60Hz

2. Set Brightness& contrast to default value

3. Do “Auto Image Adjust”

4. Shut down PC to check whether there’s glitter on the center

of the picture.

Equipment:: Chroma Signal Generator & PC

Power saving

1. Mode: 1280x1024@60Hz

2. Pattern: full white

3. Brightness: Max.

4. Contrast: Default

5. Check power consumption at each modes

State

Power

Consumption

LED color

Normal

＜38Ｗ

Green

Stand By

＜1Ｗ

Orange

Power Key Off

＜1Ｗ

Chroma signal generator and Power meter AC input: 230V/50Hz

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

6. Troubleshooting Flow Chart

1. Common Acknowledge

z If you change the interface board, be sure that the U105, U106 and U103 these three components also

changed to the new I/F board because there was program inside. If not, please re-write EDID or upload firmware into MCU via VGA Cable.

z If you adjust clock and phase, please do it at the condition of Windows shut down pattern. z If you confirm the R.G.B. color is normal or not, please do it under 16-grey scalar pattern. z This LCM is analog interface. So if the entire screen is an abnormal color that means the problem happen

in the analog circuit part, if only some scale appears abnormal color that stand the problem happen in the digital circuit part.

z If you check the H/V position, please use the crosshatch pattern. z This LCM support more than 30 timing modes, if the input timing mode is out of specification, the picture

may appears abnormally.

z If brightness uneven, repairs Inverter circuit or change a new panel. z If you find the vertical line or horizontal line lost on the screen, please change panel.

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2. No Power & Power LED Off

No power

Check primary rectifier voltage

Check IC802, C805, T801

Check circuit if short

Check F801, P801, D801

Check pin3 of IC802 voltage about 1V

Check R801, R805, R822, R823, R817

Check pin2 of IC802 voltage about 2V

Check R803, R807, R824, R825

Check pin1 of IC802 voltage is 5.8V

Check R812, R816, C818

END

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

3. DC output voltage is unstable

Output Voltage Unstable

Check Vbe of Q801 below 0.3V

Check circuit if

short

Check ZD801, ZD802, ZD803, D803, D805

Check Q801, Q802

Check reference voltage

Check pinR of IC801

Check R809, R814, IC801, R818

Check R810, R811

Check feedback

circuit

Check Vpin3-4 of IC801 about 6V

Check Vpin1-2 of IC801 about 1V

Check C815, D806, R812

Check R809, R814

END

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

4. Output power is unstable

Unstable power

Check sampling Circuit

Check R810, R811, R818

Change R810, R811, R818

Check the R pin voltage of IC803 about 2.5V

Check R809, R808, R814, D809

Check D806, C815 if

short

Change D806, C815

Check pin1 of IC802 voltage is 5.8V

Check pin3 of IC802 voltage about 1V

Change R801, R805,

R822, R823, R817

END

Check the C pin voltage of IC803 if 3V

Change IC803

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

5. Backlight can’t be turned on

Is there high-level voltage on pin8 of IC501?

Is there pulse waveform on pin1, pin3, pin15 and pin16 of IC501 at the moment of restart?

Check CN501, CN502, CN503 and CN504?

No raster?

LED Green?

Yes

Ye s

Backlight cannot be turned on.

Check power supply

Is R526 Ok?

Check I/F board

Yes

R526 open

Yes

Is Ok IC501?

Yes

U501, U502 fail

IC501 fail

Yes

Is ok T501, T502?

T501, T502 fail

Connecting the output connector again

Check protected circuit Q501, Q502, Q503, Q504

Yes

END

Is there 14Vdc voltage on pin13 of IC501?

Yes

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

6. Black Screen and backlight turn on

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

White Screen

WorkmanshipLVDS Cable Reinsert

Change LVDS Cable

Check VLCD is 5V

Check Panel-Enable of

U105(pin2) is low

LVDS Cable NG

Check the HWRESET of

U104 exists

Check RP101

Check the pins of

U105

END

OK OK

Check LVDS signals

Panel Fail

Check

Q101,Q102,Q107,R103

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

8. Bad Screen

Bad Screen

Workmanship

LVDS Cable NG

1.Check X101,C154,C155

2.Check X102,C126,C168

Check ALE/RDZ/

WRZ/AD0/AD1/AD2/

AD3/HWRESET

Check the pins of

U104 and U105

LVDS Cable Reinsert

Change LVDS Cable

Check Crystal:pin20,21 of

U105 and pin 33,34 of U104

Check the communication of

U104 and U105

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ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

7. Recommended Spare Parts List

Rev: 1b

Serial No. Prefix: PST

Item ECR/ECN ViewSonic P/N Ref. P/N Location Universal number#

1 KIT,ACCESSORY(INL), LE1709 A-00003039 703000000500 2 PWR CORD 10A/125V BLK 6FT UL/CSA,SVT 18x A-00003040 453070800250 3 PWRCORD 10A/250V BLK 6FT CHINA.RVV 3Gx0. RoHS Added on 9/11/06 A-00005255 453070800170R 4 KIT,ACCESSORY,VA702-INL V7,LE1709 RoHS Added on 9/11/06 A-00005274 703000000506R 5

PCBA,IF BOARD, LE1709-6A

B-00003041

790411300600 6 PCBA,KEYPAD BOARD, LE1709 B-00003042 790411500000 7 PCBA,KEYPAD BOARD, LE1709 RoHS Added on 9/11/06 B-00005278 790411500000R 8 PCBA,PWR&INV./B, LE1709-6A0 B-00003043 790411400600 9 PCBA,PWR&INV./B, LE1709-6A0 RoHS Added on 9/11/06 B-00005279 790411400600R

10 PCBA,IF BOARD(V7), LE1709- 6A0 RoHS Added on 9/11/06 B-00008066 790411300630R 11 BASE, LE1709 C-00003044 501240201000 12 BEZEL,FRONT(SILVER),VA702, LE1709 C-00003045 501010202700 13 COVER,BACK, LE1709 C-00003046 501020202900 14 ASSY,BASE, LE1709 RoHS Added on 9/11/06 C-00005262 714020002400R 15 ASSY,BEZEL(S),LE1709,VA702 RoHS Added on 9/11/06 C-00005263 714030002400R 16 ASSY,BACK COVER, LE1709 RoHS Added on 9/11/06 C-00005264 714050002400R 17 COVER,HINGE, LE1709 RoHS Added on 9/11/06 C-00006088 501020203000R 18 CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 CB-00003047 453010100100 19 CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 RoHS Added on 9/11/06 CB-00005254 453010100100R 20 HRN LVDS FFC 30P 234mm,RoHSACCX30234KU28 RoHS Added on 9/11/06 CB-00005259 430303000140R 21 HRN ASS'Y 4x2P 189mm UL2651#28SZ504479B, RoHS Added on 9/11/06 CB-00005260 430300800320R 22 HRN ASS'Y 1P 137mm BLACK,UL100 7 #20, RoHS Added on 9/11/06 CB-00005261 430300100210R 23 LCD PANEL 17" MT170EN01-V1(INNOLUX) E-00003048 631102070270 24 LCD PANEL 17" MT170EN01-V7-G1,AM17000057 RoHS Added on 9/11/06 E-00008006 631102071910R 25 LCD PANEL 17" MT170EN01-V7-G2,AM17000057 RoHS Added on 9/11/06 E-00008007 631102071920R 26 LCD PANEL 17" MT170EN01-V7-G3,AM17000057 RoHS Added on 9/11/06 E-00008008 631102071930R 27 SCREW,B,CROSS,T.T-4*10,BLK ,RoHS Added on 9/11/06 HW-00005265 509412610500R 28 SCREW,F,CROSS,T.T-4*10,Ni RoHS Added on 9/11/06 HW-00005266 509212610300R 29 SCREW,P,CROSS,M5*22,Ni,RoHS Added on 9/11/06 HW-00005267 509116822300R 30 SCREW,PW,CROSS,W/WAS,M3*5,NI RoHS Added on 9/11/06 HW-00005269 509146305300R 31 BOLT,#4-40x11.8,Ni FOR D-SUB/DVI CONN. RoHS Added on 9/11/06 HW-00005270 509000000700R 32 SCREW,I,CROSS,M3*4,Zw,RoHS Added on 9/11/06 HW-00005271 509016304102R 33 HINGE,RIGHT, LE1709 RoHS Added on 9/11/06 HW-00005276 502060401910R 34 HINGE,LEFT, LE1709 RoHS Added on 9/11/06 HW-00005277 502060401900R 35 GENERIC FOAM SET Added on 9/11/06 P-00001347 30833 36 GENERIC BOX Added on 9/11/06 P-00002515 20653 37

BAG,PLASTIC,L550xW450xT0.05mm,LE170

P-00003049

506120004300

38 CARTON,VA702, LE1709 P-00003050 506020006800 39 CARTON,VA702, LE1709 RoHS Added on 9/11/06 P-00005256 506020006800R 40 CUSHION,EPS-L, LE1709 P-00003051 506040005500 41 CUSHION,EPS-L, LE1709 RoHS Added on 9/11/06 P-00005257 506040005500R 42

CUSHION,EPS-R, LE1709

P-00003052

506040005510

43 CUSHION,EPS-R, LE1709 RoHS Added on 9/11/06 P-00005253 506040005510R 44 BAG,PE+EPE,L590xW480xT0.6mm (PRINTED)LE1 RoHS Added on 9/11/06 P-00005272 506120300400R 45 BAG,PLASTIC,l690xW(455+145)xT0.05mm, LE1 RoHS Added on 9/11/06 P-00005273 506120004500R 46 Plastics: RUBBER,FOOT,OD14.1xT2.5mm,3M, LE1708 PL-00003053 503020002600

Remark 1:

Above listed items are examples, supplier can expand the rows to add more necessary items.

Remark 2:

PC Board Assembly:

Cabinets:

RECOMMENDED SPARE PARTS LIST (VA702-1)

Description

Accessories:

ViewSonic Model Number: VS10781

Cables:

Hardware:

Packing Material:

Electronic Components:

All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions.

Page 46

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Rev: 1b

Serial No. Prefix: PSX

Item ECR/ECN ViewSonic P/N Ref. P/N Location Universal number#

1 PWR CORD 10A/125V BLK 6FT UL/CSA,SVT 18x A-00003040 453070800250 2 KIT,ACCESSORY,VA702B-INL,LE1709 A-00003054 703000000510 3 PWRCORD 10A/250V BLK 6FT CHINA.RVV 3Gx0. RoHS Added on 9/11/06 A-00005255 453070800170R 4

PCBA,IF BOARD, LE1709-6A

B-00003041

790411300600 5 PCBA,KEYPAD BOARD, LE1709 B-00003042 790411500000 6 PCBA,KEYPAD BOARD, LE1709 ROHS Added on 9/11/06 B-00005278 790411500000R 7 PCBA,PWR&INV./B, LE1709-6A0 B-00003043 790411400600 8 PCBA,PWR&INV./B, LE1709-6A0 ROHS Added on 9/11/06 B-00005279 790411400600R 9 PCBA,IF BOARD(V7), LE1709- 6A0 ROHS Added on 9/11/06 B-00008066 790411300630R

10 BASE, LE1709 C-00003044 501240201000 11 COVER,BACK, LE1709 C-00003046 501020202900 12 BEZEL,FRONT(GRAY),VA702b, LE1709 C-00003055 501010202710 13 ASSY,BASE, LE1709 RoHS Added on 9/11/06 C-00005262 714020002400R 14 ASSY,BACK COVER, LE1709 RoHS Added on 9/11/06 C-00005264 714050002400R 15 COVER,HINGE, LE1709 RoHS Added on 9/11/06 C-00006088 501020203000R 16 ASSY,BEZEL(G),LE1709,VA702b RoHS Added on 9/11/06 C-00008095 714030002410R 17 CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 CB-00003047 453010100100 18 CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 RoHS Added on 9/11/06 CB-00005254 453010100100R 19 HRN LVDS FFC 30P 234mm,RoHSACCX30234KU28 RoHS Added on 9/11/06 CB-00005259 430303000140R 20 HRN ASS'Y 4x2P 189mm UL2651#28SZ504479B, RoHS Added on 9/11/06 CB-00005260 430300800320R 21 HRN ASS'Y 1P 137mm BLACK,UL100 7 #20, RoHS Added on 9/11/06 CB-00005261 430300100210R 22 LCD PANEL 17" MT170EN01-V1(INNOLUX) E-00003048 631102070270 23 LCD PANEL 17" MT170EN01-V7-G1,AM17000057 RoHS Added on 9/11/06 E-00008006 631102071910R 24 LCD PANEL 17" MT170EN01-V7-G2,AM17000057 RoHS Added on 9/11/06 E-00008007 631102071920R 25 LCD PANEL 17" MT170EN01-V7-G3,AM17000057 RoHS Added on 9/11/06 E-00008008 631102071930R 26 SCREW,B,CROSS,T.T-4*10,BLK ,ROHS Added on 9/11/06 HW-00005265 509412610500R 27 SCREW,F,CROSS,T.T-4*10,Ni ROHS Added on 9/11/06 HW-00005266 509212610300R 28 SCREW,P,CROSS,M5*22,Ni,ROHS Added on 9/11/06 HW-00005267 509116822300R 29 SCREW,PW,CROSS,W/WAS,M3*5,NI RoHS Added on 9/11/06 HW-00005269 509146305300R 30 BOLT,#4-40x11.8,Ni FOR D-SUB/DVI CONN.RoHS Added on 9/11/06 HW-00005270 509000000700R 31 SCREW,I,CROSS,M3*4,Zw,ROHS Added on 9/11/06 HW-00005271 509016304102R 32 HINGE,RIGHT, LE1709 RoHS Added on 9/11/06 HW-00005276 502060401910R 33 HINGE,LEFT, LE1709 RoHS Added on 9/11/06 HW-00005277 502060401900R 34

BAG,PLASTIC,L550xW450xT0.05mm,LE170

P-00003049

506120004300

35 FOAM,EPS-L, LE1709 P-00003051 506040005500 36 FOAM,EPS-L, LE1709 RoHS Added on 9/11/06 P-00005257 506040005500R 37

FOAM,EPS-R, LE1709

P-00003052

506040005510

38 FOAM,EPS-R, LE1709 RoHS Added on 9/11/06 P-00005253 506040005510R 39

BOX,VA702B, LE1709

P-00003056

506020006810

40 BOX,VA702b, LE1709 RoHS Added on 9/11/06 P-00008079 506020006810R 41 BAG,PE+EPE,L590xW480xT0.6mm (PRINTED)LE1 RoHS Added on 9/11/06 P-00005272 506120300400R 42 BAG,PLASTIC,l690xW(455+145)xT0.05mm, LE1 RoHS Added on 9/11/06 P-00005273 506120004500R 43 GENERIC BOX Added on 9/11/06 P-00002515 20653 44 GENERIC FOAM SET Added on 9/11/06 P-00001347 30833 45

Plastics:

RUBBER,FOOT,OD14.1xT2.5mm,3M, LE170

PL-00003053 503020002600

Remark 1: Remark 2:

Electronic Components:

Hardware:

Packing Material:

Above listed items are examples, supplier can expand the rows to add more necessary items. All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions.

ViewSonic Model Number: VS10781

RECOMMENDED SPARE PARTS LIST (VA702B-1)

Description

Accessories:

Board Assembly:

Cabinets:

Cables:

Page 47

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

ViewSonic Model Number: VS10781

Serial No. Prefix: PST

Rev: 1b

Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty (PC)

1 CB-00005261 430300100210R HRN ASS'Y 1P 137mm BLACK,UL1007 #20,RoHS 100 2 CB-00005260 430300800320R HRN ASS'Y 4x2P 189mm UL2651#28SZ504479B, For VSI 1 3 CB-00005259 430303000140R HRN LVDS FFC 30P 234mm,RoHSACCX30234KU28 For VSI 1 4 CB-00005254 453010100100R CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 For VSI 1 5 A-00003675 453070800230R PWRCORD 5A/250V BLK 6FT UK3Gx.75mm(SP60/ For V7 Panel For Singapore 1 6 A-00003671 453070800420R PWRCORD 10A/250V BLACK 6FT SAA,H05W-F/3G For V7 Panel For Australia 1 7 A-00006733 453070800480R PWRCORD 7A/125V BLK 6FT CNS,VCTF 3Gx0.75 For V7 Panel For TWN 1 8 A-00006734 453070800500R PWRCORD 16A/250V BLK 6FT KTL,H05VV-F 3Gx For V7 Panel For Korea 1

9 N/A 501010202700R BEZEL,FRONT(SILVER),VA702,LE1709 100 10 N/A 501020202900R COVER,BACK, LE1709 For VSI 1 11 C-00006088 501020203000R COVER,HINGE, LE1709 For VSI 2 12 N/A 501030201900R BUTTON,FUNCTION KEY, LE1709 For VSI 1 13 N/A 501120101200R LENS, LE1709 For VSI 1 14 N/A 501240201000R BASE, LE1709 For VSI 1 15 N/A 502020300700R BRACKET,LEFT, LE1709 For VSI 1 16 N/A 502020300710R BRACKET,RIGHT, LE1709 For VSI 1 17 HW-00005277 502060401900R HINGE,LEFT, LE1709 For VSI 1 18 HW-00005276 502060401910R HINGE,RIGHT, LE1709 For VSI 1 19 N/A 502080300300R SUPPORT,VESA, LE1709 ROHS 100 20 N/A 502090301300R CHASSIS, LE1709 For VSI 1 21 N/A 502170300400R PLATE,BASE,LE1709 For VSI 1 22 N/A 503010001700R RUBBER,SPACER,L25xW10xT4.0mm,LE1709 For VSI 1 23 N/A 503020002600R RUBBER,FOOT,OD14.1xT2.5mm,3M, LE1708 ROH 400 24 N/A 505040202000R INSULATOR,MYLAR,L79.7xW62.7mm,CHASSIS, L For VSI 1 25 N/A 505040203600R INSULATOR,PET,355x292x0.1mm, LE1709 100 26 P-00005256 506020006800R CARTON,VA702, LE1709 For VSI 1 27 N/A 506037003700R CARDBOARD,COVER,L1120xW980xH120xT5mm,LE1 For VSI 0.02778 28 N/A 506039001200R CORNER PAPER,820x50x50mm For VSI 0.0556 29 N/A 506039002301R CORNER PAPER,2050x50x50xT3mm,LE1709 ROHS 5.556 30 P-00005257 506040005500R CUSHION,EPS-L, LE1709 For VSI 1 31 P-00005253 506040005510R CUSHION,EPS-R, LE1709 For VSI 1 32 N/A 506102000300R LOGO PLATE,VIEWSONIC, LE1709 For VSI 1 33 N/A 506102000400R LOGO PLATE,VIEWSONIC, LE1709(THREE BIRDS For VSI 1 34 N/A 506102000500R LOGO PLATE,VIEWSONIC, LE1709(ELLIPSE) For VSI 1 35 P-00005272 506120300400R BAG,PE+EPE,L590xW480xT0.6mm(PRINTED)LE19 100 36 N/A 506150001310R PALLET,1120x980x120mm.LE1709 ROHS 1.389 37 N/A 506250005102R LBL,AGENCY(VA702), LE1709(KOREA MARK) For VSI 1 38 N/A 506380001800R TAPE,WRAPPING TYPE,48mmx50M ROHS LE1915 1.2 39 N/A 506380002100R TAPE,WRAPPING TYPE(VIEWSONIC),50mmx75M,L For VSI 0.00513ROL 40 N/A 506381000700R TAPE,ACE,45mmx30M(PC=10x45mm),LE1709 ROH 0.1 41 N/A 506390000400R LABEL,OPENING STAND, LE1709 For VSI 1 42 N/A 506390000600R LABEL,HI-POT PASS, LE1709 For VSI 1 43 N/A 506390210110R LABEL,CARTON(8ms),PRC, LE1709 For V7 Panel For VSI 1 44 N/A 506390400100R LABEL,PRODUCT(2), LE1709 For VSI 1 45 N/A 506390500100R LABEL,ENERGY STAR, LE1709 For VSI 1 46 N/A 506431000300R FILM,PE 500mmx900M ROHS 0.05 47 N/A 506440002300R LABEL,BLANK,76.2x76.2mm,LE1709(UPC) For VSI 1 48 N/A 506440002400R LABEL,BLANK,50x25mm,LE1709(S/N) For VSI 1 49 N/A 506440002600R LABEL,BLANK,210x65mm,LE1709(PALLET) For VSI 0.02778 50 N/A 506440003000R LABEL,BLANK,35x8mm, LE1709 ROHS For V7 Panel For VSI 2 51 HW-00005270 509000000700R BOLT,#4-40x11.8,Ni FOR D-SUB/DVI CONN.RO For VSI 2 52 HW-00005271 509016304102R SCREW,I,CROSS,M3*4,Zw,ROHS 100 53 HW-00005267 509116822300R SCREW,P,CROSS,M5*22,Ni,ROHS For VSI 4 54 HW-00005269 509146305300R SCREW,PW,CROSS,W/WAS,M3*5,NI For VSI 9 55 HW-00005266 509212610300R SCREW,F,CROSS,T.T-4*10,Ni ROHS For VSI 4 56 HW-00005265 509412610500R SCREW,B,CROSS,T.T-4*10,BLK ,ROHS For VSI 4 57 N/A 511100001500R CLIP,WIRE.CH-01P(PG), LE1709 For VSI 1 58 E-00008006 631102071910R LCD PANEL 17" MT170EN01-V7-G1,AM17000057 For VSI 1 59 E-00008007 631102071920R LCD PANEL 17" MT170EN01-V7-G2,AM17000057 For VSI 1 60 E-00008008 631102071930R LCD PANEL 17" MT170EN01-V7-G3,AM17000057 For VSI 1 61 N/A 703000000500R KIT,ACCESSORY,VA702-INL,LE1709 For VSI 1 62 C-00005262 714020002400R ASSY,BASE, LE1709 For VSI 1 63 C-00005263 714030002400R ASSY,BEZEL(S),LE1709 For VSI 1 64 C-00005264 714050002400R ASSY,BACK COVER, LE1709 For VSI 1 65 N/A 71407276B100R ASSY,FIANL(S,V7/G1&2&3),LE1709-6A0 For VSI 1 66 N/A 71408276B100R ASSY,PANEL(V7/G1&2&3),LE1709-6A0 For VSI 1 67 B-00008066 790411300630R PCBA,IF BOARD(V7), LE1709- 6A0 ROHS For VSI 1 68 B-00005279 790411400600R PCBA,PWR&INV./B, LE1709-6A0 ROHS For VSI 1 69 B-00005278 790411500000R PCBA,KEYPAD BOARD, LE1709 ROHS For VSI 1

BOM LIST (VA702-1)

Page 48

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

ViewSonic Model Number: VS10781

Serial No. Prefix: PSX

Rev: 1b

Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty (PC)

1 CB-00005261

430300100210R HRN ASS'Y 1P 137mm BLACK,UL100 7 #20,RoHS For VSI&VSA 1

2 CB-00005260

430300800320R HRN ASS'Y 4x2P 189mm UL2651#28SZ504479B, For VSI&VSA 1

3 CB-00005259

430303000140R HRN LVDS FFC 30P 234mm,RoHSACCX30234KU28 For VSI&VSA 1

4 CB-00005254

453010100100R CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 For VSI&VSA 1

5 A-00003675

453070800230R PWRCORD 5A/250V BLK 6FT UK3Gx.75mm(SP60/ For Singapore 1

6 A-00006679

453070800250R PWR CORD 10A/125V BLK 6FT UL/CSA,SVT 18x For VSA 1

7 A-00003671

453070800420R PWRCORD 10A/250V BLACK 6FT SAA,H05W-F/3G For Australia 1

8 A-00006733

453070800480R PWRCORD 7A/125V BLK 6FT CNS,VCTF 3Gx0.75 For TWN 1

9 A-00006734

453070800500R PWRCORD 16A/250V BLK 6FT KTL,H05VV-F 3Gx For Korea 1

10 N/A

501010202710R BEZEL,FRONT(GRAY),VA702B,LE1709 For VSI&VSA 1

11 N/A

501020202900R COVER,BACK, LE1709 For VSI&VSA 1

12 C-00006088

501020203000R COVER,HINGE, LE1709 For VSI&VSA 2

13 N/A

501030201900R BUTTON,FUNCTION KEY, LE1709 For VSI&VSA 1

14 N/A

501120101200R LENS, LE1709 For VSI&VSA 1

15 N/A

501240201000R BASE, LE1709 For VSI&VSA 1

16 N/A

502020300700R BRACKET,LEFT, LE1709 For VSI&VSA 1

17 N/A

502020300710R BRACKET,RIGHT, LE1709 For VSI&VSA 1

18 HW-00005277

502060401900R HINGE,LEFT, LE1709 For VSI&VSA 1

19 HW-00005276

502060401910R HINGE,RIGHT, LE1709 For VSI&VSA 1

20 N/A

502080300300R SUPPORT,VESA, LE1709 For VSI&VSA 1

21 N/A

502090301300R CHASSIS, LE1709 For VSI&VSA 1

22 N/A

502170300400R PLATE,BASE,LE1709 For VSI&VSA 1

23 N/A

503010001700R RUBBER,SPACER,L25xW10xT4.0mm,LE1709 For VSI&VSA 1

24 N/A

503020002600R RUBBER,FOOT,OD14.1xT2.5mm,3M, LE1708 For VSI&VSA 4

25 N/A

505040202000R INSULATOR,MYLAR,L79.7xW62.7mm,CHASSIS, L For VSI&VSA 1

26 P-00008079

506020006810R CARTON,VA702B, LE1709 For VSI&VSA 1

27 N/A

506037003700R CARDBOARD,COVER,L1120xW980xH120xT5mm,LE1 For VSI&VSA 0.02778

28 N/A

506039001200R CORNER PAPER,820x50x50mm For VSI&VSA 0.0556

29 N/A

506039002301R CORNER PAPER,2050x50x50xT3mm,LE1705 For VSI&VSA 0.05556

30 P-00005257

506040005500R CUSHION,EPS-L, LE1709 For VSI&VSA 1

31 P-00005253

506040005510R CUSHION,EPS-R, LE1709 For VSI&VSA 1

32 N/A

506102000300R LOGO PLATE,VIEWSONIC, LE1709 For VSI&VSA 1

33 N/A

506102000400R LOGO PLATE,VIEWSONIC, LE1709(THREE BIRDS) For VSI&VSA 1

34 N/A

506102000500R LOGO PLATE,VIEWSONIC, LE1709(ELLIPSE) For VSI&VSA 1

35 P-00005272

506120300400R BAG,PE+EPE,L590xW480xT0.6mm (PRINTED)LE1 For VSI&VSA 1

36 N/A

506150001310R PALLET,1120x980x120mm,LE1709 For VSI&VSA 0.01389

37 N/A

506250005112R LBL,AGENCY(VA702B), LE1709(KOREA MARK) For VSI&VSA 1

38 N/A

506380001800R TAPE,WRAPPING TYPE,48mmx50M LE1X04/05 For VSI&VSA 0.004ROL

39 N/A

506380002100R TAPE,WRAPPING TYPE(VIEWSONIC),50mmx75M,L For VSI&VSA 0.00513ROL

40 N/A

506381000700R TAPE,ACE,45mmx30M(PC=10x45mm),LE1709 For VSI&VSA 0.001ROL

41 N/A

506390000400R LABEL,OPENING STAND, LE1709 For VSI&VSA 1

42 N/A

506390000600R LABEL,HI-POT PASS, LE1709 For VSI&VSA 1

43 N/A

506390210110R LABEL,CARTON(8ms),PRC, LE1709 For VSI&VSA 1

44 N/A

506390500100R LABEL,ENERGY STAR, LE1709 For VSI&VSA 1

45 N/A

506431000300R FILM,PE 500mmx900M For VSI&VSA 0.0004ROL

46 N/A

506440002300R LABEL,BLANK,76.2x76.2mm,LE1709(UPC) For VSI&VSA 1

47 N/A

506440002400R LABEL,BLANK,50x25mm,LE1709(S/N) For VSI&VSA 1

48 N/A

506440002600R LABEL,BLANK,210x65mm,LE1709(PALLET) For VSI&VSA 0.02778

49 N/A

506440003000R LABEL,BLANK,35x8mm, LE1709 ROHS For VSI&VSA 2

50 HW-00005270

509000000700R BOLT,#4-40x11.8,Ni FOR D-SUB/DVI CONN.RO For VSI&VSA 2

51 HW-00005271

509016304102R SCREW,I,CROSS,M3*4,Zw,ROHS For VSI&VSA 4

52 HW-00005267

509116822300R SCREW,P,CROSS,M5*22,Ni,ROHS For VSI&VSA 4

53 HW-00005269

509146305300R SCREW,PW,CROSS,W/WAS,M3*5,NI For VSI&VSA 9

54 HW-00005266

509212610300R SCREW,F,CROSS,T.T-4*10,Ni ROHS For VSI&VSA 4

55 HW-00005265

509412610500R SCREW,B,CROSS,T.T-4*10,BLK ,ROHS For VSI&VSA 4

56 N/A

511100001500R CLIP,WIRE.CH-01P(PG), LE1709 For VSI&VSA 1

57 E-00008006

631102071910R LCD PANEL 17" MT170EN01-V7-G1,AM17000057 For VSI&VSA 1

58 E-00008007

631102071920R LCD PANEL 17" MT170EN01-V7-G2,AM17000057 For VSI&VSA 1

59 E-00008008

631102071930R LCD PANEL 17" MT170EN01-V7-G3,AM17000057 For VSI&VSA 1

60 N/A

703000000510R KIT,ACCESSORY,VA702B-INL,LE1709 For VSI&VSA 1

61 C-00005262

714020002400R ASSY,BASE, LE1709 For VSI&VSA 1

62 C-00008095

714030002410R ASSY,BEZEL(G),LE1709 For VSI&VSA 1

63 C-00005264

714050002400R ASSY,BACK COVER, LE1709 For VSI&VSA 1

64 N/A

71407276B101R ASSY,FIANL(G,V7/G1&2&3),LE1709-6A0 For VSI&VSA 1

65 N/A

71408276B100R ASSY,PANEL(V7/G1&2&3),LE1709-6A0 For VSI&VSA 1

66 B-00008066

790411300630R PCBA,IF BOARD(V7), LE1709- 6A0 ROHS For VSI&VSA 1

67 B-00005279

790411400600R PCBA,PWR&INV./B, LE1709-6A0 ROHS For VSI&VSA 1

68 B-00005278 790411500000R PCBA,KEYPAD BOARD, LE1709 ROHS For VSI&VSA 1

BOM LIST (VA702B-1)

Page 49

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

Exploded diagram

8. Exploded Diagram and Exploded Parts List

Page 50

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

ViewSonic Model Number: VS10781 Rev: 1a

Item ViewSonic P/N Ref. P/N Description Q'ty

1 C-00003154 714030002400 ASSY,BEZEL(S),LE1709 1 2 E-00003048 631102070270 LCD PANEL 17" MT170EN01-V1(INNOLUX) 1 3 B-00003041 790411300600 PCBA,IF BOARD, LE1709-6A0 1 4 CB-00003155 430303000140 HRN LVDS FFC 30P 234mm,ACCX30234KU28MY 1 5 B-00003043 790411400600 PCBA,PWR&INV./B, LE1709-6A0 1 6 HW-00003156 502020300700 BRACKET,LEFT, LE1709 1 7 B-00003172 502090301300 CHASSIS, LE1709 1 8 CB-00003157 430300800320 HRN ASS'Y 4x2P 189mm UL2651#28SZ504479B 1 9 HW-00003158 502020300710 BRACKET,RIGHT, LE1709 1

10 HW-00003159 502060401900 HINGE,LEFT, LE1709 1 11 C-00003160 714050002400 ASSY,BACK COVER, LE1709 1 12 HW-00003161 502060401910 HINGE,RIGHT, LE1709 1 13 B-00003042 790411500000 PCBA,KEYPAD BOARD, LE1709 1 14 CB-00003162 430300100190 HRN ASS'Y 1P 157mm BLACK,UL1007#20 1 15 C-00003163 714020002400 ASSY,BASE, LE1709 1 16 C-00003164 501020203000 COVER,HINGE, LE1709 2 17 M-00003165 505040202000 INSULATOR,MYLAR,L79.7xW62.7mm,CHASSIS, L (Chassis) 1 18 HW-00003166 509412610500 SCREW,B,CROSS,T.T-4*10,BLK (Back cover & Bezel) 4 19 HW-00003167 509212610300 SCREW,F,CROSS,T.T-4*10,Ni (Hinge & Back cover) 4 20 HW-00003168 509016304102 SCREW,I,CROSS,M3*4,Zw (chassis&bracket*4,GND*1) 5 21 HW-00003169 509146305300 SCREW,PW,CROSS W/WAS,M3*5,Ni (PCB&chassis*5, Bracket & Chassis*4) 9

22 HW-00003170 509116822300 SCREW,P,CROSS,M5*22,Ni (Hinge & Base ASM) 4

23 M-00003171 509000000700 BOLT,#4-40x11.8,NiFOR D-SUB/DVI CONN. (D-SUB) 2

EXPLODED PARTS LIST (VA702-1)

ViewSonic Model Number: VS10781 Rev: 1a

Item ViewSonic P/N Ref. P/N Description Q'ty

1 C-00003173 714030002410 ASSY,BEZEL(G),LE1709 1 2 E-00003048 631102070270 LCD PANEL 17" MT170EN01-V1(INNOLUX) 1 3 B-00003041 790411300600 PCBA,IF BOARD, LE1709-6A0 1 4 CB-00003155 430303000140 HRN LVDS FFC 30P 234mm,ACCX30234KU28MY 1 5 B-00003043 790411400600 PCBA,PWR&INV./B, LE1709-6A0 1 6 HW-00003156 502020300700 BRACKET,LEFT, LE1709 1 7 B-00003172 502090301300 CHASSIS, LE1709 1 8 CB-00003157 430300800320 HRN ASS'Y 4x2P 189mm 1

9 HW-00003158 502020300710 BRACKET,RIGHT, LE1709 1 10 HW-00003159 502060401900 HINGE,LEFT, LE1709 1 11 C-00003160 714050002400 ASSY,BACK COVER, LE1709 1 12 HW-00003161 502060401910 HINGE,RIGHT, LE1709 1 13 B-00003042 790411500000 PCBA,KEYPAD BOARD, LE1709 1 14 CB-00003162 430300100190 HRN ASS'Y 1P 157mm BLACK,UL1007#20 1 15 C-00003163 714020002400 ASSY,BASE, LE1709 1 16 C-00003164 501020203000 COVER,HINGE, LE1709 2 17 M-00003165 505040202000 INSULATOR,MYLAR,L79.7xW62.7mm,CHASSIS, L (Chassis) 1 18 HW-00003166 509412610500 SCREW,B,CROSS,T.T-4*10,BLK (Back cover & Bezel) 4 19 HW-00003167 509212610300 SCREW,F,CROSS,T.T-4*10,Ni (Hinge & Back cover) 4 20 HW-00003168 509016304102 SCREW,I,CROSS,M3*4,Zw (chassis&bracket*4,GND*1) 5 21 HW-00003169 509146305300 SCREW,PW,CROSS W/WAS,M3*5,Ni (PCB&chassis*5, Bracket & Chassis*4) 9 22 HW-00003170 509116822300 SCREW,P,CROSS,M5*22,Ni (Hinge & Base ASM) 4 23 HW-00003171 509000000700 BOLT,#4-40x11.8,NiFOR D-SUB/DVI CONN. (D-SUB) 2

EXPLODED PARTS LIST (VA702b-1)

Page 51

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

9. Block Diagram

XTAL1

22.118MHz

TOP246Y

OPP/OCP

LDO

5V-3.3V

5V-1.8V

Transformer1

OZ9910

Rectifier &

Filter Circuit

Panel InterfaceLamp2

Keyboard

Lamp3

Keypad

Connector

VGA Input

VGA Connector

Scaler

TSU16AK

AC Line Filter

AC Socket

TFT LCD Panel 17"

MT170EN01(Innolux)

Feedback

OVP

LTV817

Power

Transformer

MCU

W78E65p

Power

Transformer2

Lamp1

Lamp4

AC Input 90V-264V

XTAL2

14.318MHz

24C16

Open

Protection

Rectifier &

Filter Circuit

24C02

Block Diagram

On/Off

Brightness

On/Off

Brightness

12V

AP2301

PMBT3906

Panel Enable

AOP605L

Page 52

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

10. Schematic Diagrams

Model

Title

Date Rev:

ViewSonic Corporation

POWER SUPPLY

R823 3M3

C824 4700P Y1

R807 510K

C807 33n 400V/ NC

R813 1K

D804

MUR1100

R811

51K 1%

C811 1n 500V

R827

10K

C818 47u/25V

R803 510K

C804 0.47u X2

D803

R819 10K

C812

1000u 10V

C819 47u/25V

R805 3M3

R818 3K3 1%

C815

47u/25V

C816

0.1u 100V

+14V

R821 1M

C801 2200P Y2

D801

BL4-06

ZD803

5.6V

L802 5uH 5A

C810 220u 25V

T801 TRF-EI28

R817

12K

ON/OFF

C806

2200P Y2

C820 2200P Y1

SRF5-04

F801 2A 250V

C817

0.1u 50V

CN801

08DA-6S

1 2 3 4 5 6

IC802 TOP246Y

345

XSF

IC801 LTV817

R810

5K1 1%

R801 3M3

R822 3M3

R828

100R 1W

R829 200R

D806 A02

MEB

C821

0.1u/50V

ZD801

9.1V

IC803 TL431

R808 10K

R804 68R 1/2W

R809 100R

L801 12mH

P801

AC IN

1 2 3

250V

L803 5uH 5A

RT801

R815 1K

C822

0.1u 50V

400V

SRF8-10

PGND

C814

47u 25V

Q802 2SC1815

BRIGHTNESS

TO SCALER BD CN101

Q801

PMBT3904

D809

1N4148W

R812 6R8

VCC5V

R820 1M

275V

C813

47p 1KV

R816 6R8

250V

C808 1000u 25V

R825 470K

R802 10R

C826 1000u 10V

R824 510K

VCC5V

C802 1n 500V

C803

4n7/1KV

C805

100u 450V

ZD802

P6KE200A

R806 10R

B801

BEAD CORE 3.5x9

ZD804 16V

D805

R814 1K

Page 53

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

INVERTER

IS1Q504

2N7002

51KΩ

CN503

Q501

2N7002

D509 1N4148W

+5V

OP4

R517 1M

C503

100n/50V

Q503

2N7002

47KΩ

R511 510 1%

R509

C535 NC

IS1

560Ω

BRIGHTNESS

R522

91K 1%

C530

6.8n/50V

OP3

D501 BAV99

R524

ON/OFF

OVP1

R529

IS3

D511 1N4148W

D508 BAV99

R521 1M

C528

1.0u/25V

+14V

510Ω

OP3

IS3

C526 10P/3KV

510Ω

C506

4700P/50V

OP1

D514

SKS20-04AT

510Ω

R506

3.9K 1%

C523

6.8n/50V

QDI

R502

3.9K

C525 5P/3KV

D506 BAV99

R524

51K 1%

T501 EEL-19 22:2600

D503 BAV99

C502

2.2u/25v

IC501

OZ9910G

8 9

NDRV2

PGND

NDRV1

GNDA

LCT

DIM

ENA VSEN

CMP_SST

ISEN

V5000

VIN

HSB

PDRV1

PDRV2

C511

2.2uF/25V

C508 22n/25V

CN504

R528

182K 1%

C532

0.1u/50V

C527 5P/3KV

R519 1M

560Ω

C524 10P/3KV

C504

1n/50V

C534

0.1u/50V

OVP2

OP2

R513 510 1%

C522 220uF/25V

AUO

Q505

2N7002

D510 1N4148W

R511

U502

AOP605

1 2 3 4 5

S1 G1 S2 G2 D2

U501

AOP605

1 2 3 4 5

S1 G1 S2 G2 D2

C509 220uF/25V

D505 BAV99

R509 510 1%

OP4

R508

100K

R527

3.3M 1%

Item

C505

0.01u/25V

NOTE:

紅色粗線:表示高電壓迴路

;

紅色虛線:表示易發熱元件

;

橘色粗線:表示大電流迴路

;

OP1

Q502

2N7002

D507

BAV99

D512 1N4148W

OP2

T502 EEL-19 22:2600

510Ω

D504 BAV99

C507

2200p/50V

R526

47K 1%

C529 220P/50V

R510 1k

OVP2

R514 510 1%

CN502

C533

0.1u/50V

R507

3.9K 1%

D513 SKS20-04AT

R505

C531

0.1u/50V

R515 1M

47KΩ

C536 NC

INL

OVP1

R512 1k

R503 3M/3KV

R501 3M/3kv

D502 BAV99

CN501

R504

3.9K

R523

100K 1%

Page 54

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

DC INPUT

VCC3.3

C106

100uF/16V

VAA3

VCC1.8

Q102 PMBT3906

C169

100uF/16V

ON/OFF

VAA2

C102

0.1/50V

VAA2

R170 0

VCC1.8

R169

22K

VLCD

Q103

PMBT3904

C108

0.1/50V

VCC5V

C101 100uF/16V

C107

0.1/50V

CN101

4500-06

1 2 3 4 5 6

VLCD

R105 4K7

R157 4K7

R174

9.1R/2W

VCC5V

CCFL_ENABLE

VAA1

Q101 AP2301N

R106

10K

VCC3.3

VCC5V

U101 FS8860-18PJ

VIN

ADJ

VOUT

C110

0.1/50V

DIMMER1

U102

FS8860-33PJ

VIN

ADJ

VOUT

C109

100uF/16V

VCC5V

PANEL_ENABLE

VAA1

C113 1u/16V

C103

100uF/16V

C111

0.1/50V

VAA4

Q107

PMBT3904

From Power &

Inverter

ON/OFF

C105

100uF/16V/NC

R101 10K

C104

0.1/50V

VAA4

VAA3

C114

0.1/50V

BRIGHTNESS

R103

4K7

R104 4K7

BRIGHTNESS

Page 55

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

VGA_INPUT

C165 NC

U103

AT24C02N-10SI

1 2 3 4 5

A0 A1 A2 GND SDA

SCL

VCC

C116 47n/25V

TVS106

5V6

VCC5V

TVS101

BAV99

GIN

C124

0.1/50V

PC5V_VGA

VGA_R

C117 47n/25V

R109 1K

VCC5V

R123 47

D103

SN4148

VGA_B

TVS103

BAV99

HSYNC

C119

33p/50V

R118/NC 470

TVS104

5V6

SOG

R120

2K2

VSI

R124 10K

C122 47n/25V

C166

C115 47n/25V

D104

SN4148

R121 47

R110 100

R165 0

GNDR

C167 NC

R113 75 1%

TVS105

5V6

R114

10K

PC5V_VGA

R107 100

R108 1K

CN102

DZ11AA1-HW6

1 6 2 7 3 8 4 9 5

1617

GNDG

R116 22

R115 22

R168 0

R119

2K2

C120

220p/50V

DDC_SCL_VGA

VCC5V

R112

75 1%

R122 47

R127 100

DDC_SDA_VGA

TVS102

BAV99

DET_VGA

R166 0

RIN

DDC_SCL_VGA

R111 75 1%

R167 0

C123 47n/25V

GNDB

HSI

C121 47n/25V

R117 22

DDC_SDA_VGA

VSYNC

TVS107 5V6

NC/C118 1000P/50V

R126 100

DDC_SCL_VGA

BIN

HPD_VGA

R125 10K

DDC_SDA_VGA

VGA_G

Page 56

C145

0.1/50V

VDPLL

C139

0.1/50V

AD3

VSYNC

VDPLL

C127 0.1/50V

C135

0.1/50V

C143

0.1/50V

SCL/RDZ

C172

0.1/50V

PB9

PA4

R129 4K7

R162 1K

R128 390 1%

PB4

VDVI

SOG

FB104

BEAD60OHM

C131

0.1/50V

GNDR

RIN

VCC1.8

C132

0.1/50V

C134 10u/16V

X102

14.318MHz

VAD

GIN

PA9

C140 10u/16V

VCC1.8

AD2

HSYNC

PB[0..9]

SDA/WRZ

VPLL

U104

TSU16AK

61 58

57 37 38

40 41 43 44 46 47 49 50 52

73 74

107

553545351

11218494104

114

126188797117

395636254

4210208595

115

1271986

105

116

108 109 110 111 112 113

118 119 120 121 122 123 124 125 128 1

29 28

106

103

102

77 78

RIN0

GIN0

SOGIN0 BIN0

RIN0M

GIN0M

BIN0M HSYNC0 VSYNC0

R+ RG+ GB+ BCK+ CKREXT

REFP

REFM

INT

PWM0 PWM1

LVACKM

AVDD

AVDD_MPLL

AVDD_DVI

BYPASS

AVDD_DVI

VDDP

VDDC

AVSS_DVI

AVSS

AVSS_MPLL

AVSS_LPLL

AVSS_PLL

AVSS_DVI

GNDP

GNDC

GNDP

GNDC

XIN

XOUT

LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M

NC/LVB3P NC/LVB3M

NC/LVBCKP

NC/LVBCKM

NC/LVB2P NC/LVB2M NC/LVB1P NC/LVB1M NC/LVB0P NC/LVB0M

DDC1_CLK/GPO8 DDC1_DAT/GPO7

AD0/GPO6

AD3/GPO5

AVDD_PLL

AVDD

AVSS

AVSS_DVI

LVACKP

LVA3M

LVA3P

AVSS

AD1 AD2

BUS TYPE/NC

CSZ

SDA

SCL

HWRESETZ

VPO

C164 100p/50V

PA2

PB7

PB3

PB5

PB2

R164 1K

FB102

BEAD60OHM

GNDB

C130

0.1/50V

VCC3.3

VPO

VDDPA[0..9]

VAA1

VAA2

AD0

VCC3.3

VAA4

FB106

BEAD60OHM

C174

0.1/50V

GNDG

VDVI

PB8

C162 100p/50V

PA5

C163 100p/50V

PA8

C141

0.1/50V

PA0

HWRESET

Note: U104 pin4,5,7~9,12~17,22~27,75,76,79~83,88~93,98~101 are all NC (open)

C171

0.1/50V

BIN

AD1

PB0

C168

22p/50V

VAD

VPLL

PB[0..9]

FB103

BEAD60OHM

PA1

PA6

C129

0.1/50V

C128

10u/16V

C170

0.1/50V

C126

22p/50V

VDVI

C136

0.1/50V

C133

0.1/50V

VAA4

PA[0..9]

PA7

DIMMER1

VAA2

VAA1

PB6

C142 10u/16V

C173

0.1/50V

VCC3.3

C125

1u/16V

FB105

BEAD60OHM

C138 10u/16V

C137

0.1/50V

CSZ/ALE

INT

PB1

PA3

VDD

VAA3

R163 1K

FB107

BEAD60OHM

VAA3

C144 10u/16V

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

SCALER

Page 57

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

PANEL INTERFACE

RXE3-

RXE2+

RXE1-

VLCD

PB[0..9]

RXE0+

PA6

PB2

PB3

PB9

RXO0+

RXE0-

RXE2+

PB7

PB4

PB8

RXEC-

RXO1-

PB0

RXO0-

RXO1-

RXO2+

RXO1+

RXE2-

RXO3-

RXO3+

PA5

PA[0..9]

PB6

RXEC+

RXE2-

RXOC+RXOC-

RXEC-

RXO2-

RXEC+

RXE0+

PA9

RXOC+

VLCD

RXE1-

VLCD

RXO2+

PB1

RXO2-

RXO3+

RXE1+

RXOC-

RXO0-

RXE1+

RXO0+

RXE3-

PA0

PA1

PA3

RXE0-

RXO1+

CN104

DUPON2.0mm/NC

910

1112

1314

1516

1718

1920

2122

2324

PA7

RXO3-

RXE3+

PB5

CN103

AL2309-A0G1Z

1 2 3 4

PA8

PA2

PA4

Page 58

R131 0

U106 24C16

1 2 3 4 5

A0 A1 A2 GND SDA

SCL

VCC

KEY_SELECT/AUTO

TO KEY PAD

R145

220

RP102 10K

8 1

7 2

6 3

5 4

C159

1000P/50V

Q104

PMBT3906

R152

100

C156

1000P/50V

C160

1000P/50V

INT

R156

10K

VCPU

KEY_POWER

R142

220

Q105

PMBT3906

AD3

VCPU R148 1K

R133 10K

RP104 10K

8 1

7 2

6 3

5 4

VCPU

AD1

CN106 2x4PIN

1 3 5 2 7

C154

12p/50V

C148

10u/16V

LED_GREEN

LED_ORANGE

R147 1K

DET_VGA

AD2

RP103 10K

817263

R137 10K

R138

10K

KEY_DOWN

ISP for Standard 8051

C149

0.1/50V

VCPU

LED_ORANGE

R144 4K7

U105

Winbond W78E65P

2 3 4 5 6 7

24 25 26 27 28 29

16 17

441031

9 23 33 34

P4.2

P1.0 P1.1 P1.2 P1.3 P1.4 P1.5

VSS

P2.0 P2.1 P2.2 P2.3 P2.4 P2.5

P2.6

PSEN

P0.7

P0.6

P0.5

P0.4

P0.3

P3.0/RXD

P3.1/TXD

P3.2/INT0

P3.4/T0 P3.5/T1

P0.2

P0.1

P0.0

VDD

RST

P2.7

P3.3/INT1

P3.6/WR

P4.3/INT2

P3.7

P1.6/PWM3 P1.7/PWM4 P4.0 ALE P4.1

R146 1K

CCFL_ENABLE

R134 10K

C155 12p/50V

R140 100

SCL/RDZ

R149 1K

AD0

DDC_SDA_VGA

PANEL_ENABLE

KEY_MENU/EXIT

R141 100

R139 10K

LED_GREEN

D102

SN4148

RP101

10K

8 1

7 2

6 3

5 4

C153

NC/10u/16V

VCPU

KEY_UP

R143 4K7

R150 1K

HWRESET

C150

10u/16V

FB108

BEAD60OHM

SDA/WRZ

VCPU

DDC_SCL_VGA

R158 51

R155

10K

R132 10K

VCPU

R159 220

VCC5V

C158

1000P/50V

R153

100

C157

1000P/50V

C151

0.1/50V

CSZ/ALE

X101

22.1184MHz

ViewSonic Corporation

Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

MCU

Page 59

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Model

Title

Date Rev:

ViewSonic Corporation

KEYPAD

SW105

SW TACT

SW103

SW TACT

ORANGE

KEY_POWER

UPPOWER

CN106 2x4PIN

4 5

KEY_MENU/EXIT

LED101

GREEN

KEY_SELECT/AUTO

LED_GREEN

MENU/1

SW101

SW TACT

KEY_DOWN

DOWN

LED_ORANGE

KEY_UP

SW104

SW TACT

AUTO/2

SW102

SW TACT

Page 60

11. PCB Layout Diagrams

Main board Top layout

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Page 61

Main board bottom Layout

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Page 62

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

POWER board

Page 63

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

Page 64

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

* Reader’s Response*

Dear Readers:

Thank you in advance for your feedback on our Service Manual, which allows continuous improvement of our products. We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic Corporation.

Assessment

A. What do you think about the content of this Service Manual?

Unit Excellent Good Fair Bad

1. Precautions and Safety Notices

2. Specification

3. Front Panel Function Control Description

4. Circuit Description

5. Adjustment Procedure

6. Troubleshooting Flow Chart

7. Recommended Spare Parts List

8. Exploded Diagram and Exploded Parts List

9. Block Diagrams

10. Schematic Diagrams

11.PCB Layout Diagrams

B. Are you satisfied with this Service Manual?

Item Excellent Good Fair Bad

1. Service Manual Content

2. Service Manual Layout

3. The form and listing

C. Do you have any other opinions or suggestions regarding this service manual?

Reader’s basic dada:

Name:

Title:

Company:

Add:

Tel:

Fax:

E-mail:

After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com)