ViewSonic VX2739W-2, VS12843-1W Schematic

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Service Manual

ViewSonic VX2739W-2

Model No. VS12843-1W

27" Wide LCD Monitor

(VX2739W-2 SM Rev. 1a Jul. 2010)

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

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

1a GG07/05/10

Initial Release

Sophia Kao

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TABLE OF CONTENTS

1. Precautions and Safety Notices .......................................................................................3

2. Specification .....................................................................................................................6

3. Front Panel Function Control Description ...................................................................14

4. Circuit Description...........................................................................................................16

5. Adjusting Procedure ....................................................................................................... 18

6. Trouble Shooting Flow Chart.......................................................................................... 53

7. Block Diagrams ..............................................................................................................57

8. Schematic Diagrams ......................................................................................................58

9. PCB Layout Diagrams ...................................................................................................61

10. Exploded Diagram And Spare Parts List ..................................................................... 62

11. Recommended Spare Parts List .................................................................................66

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1. Precautions and Safety Notices

Safety Instructions

The symbol is intended to alert the user to presence of un-insulated

“Hazardous Voltage” within the product’s enclosure that may be of sufficient

magnitude to constitute a risk of electric shock to persons.

This symbol is intended to alert the user that improper use of the product may result in product malfunction. The user should pay attention to avoid

accidents or unnecessary problems.

Wet Location

Apparatus shall not be exposed to dripping or splashing and that no objects filled

with liquids, such as vases, shall be placed on the apparatus.

Outdoor Use

WARNING: To reduce the risk of fire or electric shock, do not expose this

apparatus to rain or moisture.

Disconnect Device - The Mains Plug or An Appliance Coupler

The mains plug or an appliance coupler is used as the disconnect device for

disconnection from the mains, the disconnect device shall remain readily

operable.

Safety

Operate the Monitor on 100V and 120 V AC only.

Use the AC power cord specified by ViewSonic and suitable for the voltage where

you use it.

The plug is designed, for safety purposes, to fit into the wall outlet only one way.

If you are unable to insert the plug fully into the outlet, contact your dealer.

If any liquid or solid object should fall inside the cabinet, stop operating, unplug the

Monitor immediately and have it checked by qualified service technician.

If you will not be using the Monitor for a long time, disconnect the power by pulling

the plug itself. Do not pull on the cord.

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Carrying The LCD Monitor

To prevent dropping the Monitor and causing serious injury, you must follow these

guidelines:

Disconnect all cables before carrying the Monitor.

Carrying the large size Monitor requires at least two or three people.

When you carry the Monitor, place your hands as illustrated and hold it securely.

Do not put stress on the LCD panel and the frame around the screen.

When carrying the Monitor, do not subject it to shocks, vibration, or excessive

force.

When lifting or moving the Monitor, hold it securely from the bottom. Place your

palm directly under the panel.

Installed on the wall

Installed with stand

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Leave at least this space around the set. Do not install the Monitor set as follows:

Air circulation is blocked.

Broken pieces

Do not throw anything at the LCD.

Doing so may break the screen glass and cause serious injury.

If the surface of the LCD cracks, unplug the AC power cord before touching the

LCD. Otherwise electric shock may result.

Handling of broken glass and liquid crystal leakage

If the LCD panel gets damaged, crystalline liquid leakage may occur, or scattered

broken glass may result.

Do not touch broken glass or crystalline liquid which is toxic, with bare hands as

cuts, poisoning or skin irritation may occur.

Also do not glass fragments or leaked crystalline liquid get into your eyes or mouth.

Should either contacted your eyes or mouth, rinse the contacted area thoroughly

with water and consult your doctor.

Note

This television includes a QAM demodulator, which should allow you to receive

unscrambled digital cable television programming via subscription service to a

cable service provider.

The type of programming and signal provided by your cable service provider will

affect the availability of digital cable television programming in your area.

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2. Product Specification

2.1 Product definition

Product Name ViewSonic VX2739W-2

Model Number VS12843

English

French

German

Spanish

Italian

OSD Languages

TFT LCD Panel and Model # 1st source : CMO M270H1-L01

Scalar 1. TSUMO88GDI-LF-1

Input Signal D-Sub /DVI

Sync Compatibility Separate Sync / Composite Sync / SOG

Adapter Internal Power Board

Power Cable (Refer to APPENDIX B) Yes

15 pin mini D-SUB Analog Cable (1.8 m, black),

with PC 2001.

Finnish

Russian

Japanese

Korean

Traditional Chinese

Simplified Chinese

2. TSUMU58EHI-LF-1

Yes

(Detached cable; refer the Appendix A)

DVI-D Cable(1.8m, black) with PC 2001

(refer to Appendix A)

Audio Cable(1.8m, black) with PC 2001 No

MIC Cable(1.8m, black) with PC 2001 No

USB Cable (V2.0)

(1.8m, black) with PC 2001

Yes

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2.2 Specification

Dimensions (with stand)

Physical(W)x(H)x(D)

Weight 6.8 kg

LCD 27" Color active matrix TFT LCD

Pane CMO M270H1-L01

Contrast Ratio 1200 :1 (Typ.)

Display area 597.89 mm (H) x 336.31 mm (V)

Pixel Pitch 0.3114 mm (H) x 0.3114 mm (V) pixel

Native Resolution 1920 x 1080

647 mm (W) x 490 mm (H) x 250 mm (D)

2.3 Front View and Rear View

Name Photo Materials Piece Texture Color Scheme

1 Front

ABS 1 POLISH # 8000 Viewsonic black

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Power

button ring

4 Neck

5 Key button

ABS 1 electroplate silver

ABS 1 POLISH # 8000 Viewsonic black

ABS 1

Mold-Tech

MT-11010

Viewsonic black

6 base

7 base_ring

Power

button

ABS 1 POLISH # 8000 Viewsonic black

ABS 1 electroplate silver

Translucen

1 POLISH # 8000

1. Black by

painting at

core-side

surface.

2.Power icon by

Lacer-engraving

and then painting

pantone # 427C

3. Blue LED.

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** ViewSonic Black_matt

L* a* b*

27.47 -0.06 -0.8

*CIE1976; Polish level = 1200; Follow the Equipment in ViewSonic Lab

*1. The reference for the cabinet components is the color chip provided by ViewSonic.

*2. The color difference between any two panel head cabinet components shall be ∆E <0.8, in the 1976

CIE L*a*b Colorspace.

*3. The color difference between any two base cabinet components shall be ∆E <0.8, in the 1976 CIE

L*a*b Colorspace.

2.4 Electrical Requirement

Horizontal / Vertical Frequency

Horizontal Frequency 24 – 83 KHZ

Vertical Refresh Rate 50 – 76 HZ

Maximum Pixel Clock Analog : 210 MHz

Digital : 180 MHz

Sync Polarity Independent of sync polarity.

Support Timing Table

Digital - TMDS

Analog

Composite

Separated

Item Timing

SOG

640 x 350 @ 70 Hz, 31.5 KHz v v v v DMT.

For Separated、 SOG and

Composite sync, switch

640x350@70,640x400@70,

Remark

and720x400@70 by [1]+[2]

short cut key ( primary =

720x400@70)

640 x 400 @ 60 Hz, 31.5 KHz v v v v DMT

2. For Separate, Composite

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and SOG sync, switch

640x400@60Hz and

640x480@60Hz by [1]+[2]

short cut key (primary =

640x480@60Hz)

640 x 400 @ 70 Hz, 31.5 KHz v v v v DMT

For Separated、 SOG and

Composite sync, switch

640x350@70,640x400@70,

and720x400@70 by [1]+[2]

short cut key ( primary =

720x400@70)

4. 640 x 480 @ 50 Hz, 24.7 KHz v v v v CVT

640 x 480 @ 60 Hz, 31.5 KHz v v v v DMT

For Separate, Composite

and SOG sync, switch

640x400@60Hz and

640x480@60Hz by [1]+[2]

short cut key (primary =

640x480@60Hz)

6. 640 x 480 @ 67 Hz, 35 KHz v v v v For MAC

7. 640 x 480 @ 72 Hz, 37.9 KHz v v v v DMT

8. 640 x 480 @ 75 Hz, 37.5 KHz v v v v DMT

720 x 400 @ 70 Hz, 31.5 KHz v v v v DMT

For Separated、 SOG and

Composite sync, switch

640x350@70,

9. 640x400@70,

and720x400@70 by [1]+[2]

short cut key ( primary =

720x400@70).

10. 720 x 480 @ 60 Hz, 31.5 KHz v DTV

11. 720 x 576 @ 50 Hz, 31.3 KHz v v v v DTV

12. 800 x 600 @ 56 Hz, 35.2 KHz v v v v DMT

13. 800 x 600 @ 60 Hz, 37.9 KHz v v v v DMT

14. 800 x 600 @ 72 Hz, 48.1 KHz v v v v DMT

15. 800 x 600 @ 75 Hz, 46.9 KHz v v v v DMT

16. 832 x 624 @ 75 Hz, 49.7 KHz v v v v MAC

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1024 x 768 @ 50 Hz, 39.6 KHz v v v v CVT

For Separate, Composite

and SOG sync, Switch

1024x768@50Hz and

17.

1280x768@50Hz by [1]+[2]

short cut key (primary =

1024x768@50Hz)

1024 x 768 @ 60 Hz, 48.4 KHz v v v v DMT;

For Separate, Composite

and SOG sync,

Switch 1280x768@60Hz

18.

and 1024x768@60Hz and

1360x768@60Hz and

1366x768@60Hz by [1]+[2]

short cut key (primary =

1360x768@60Hz )

19. 1024 x 768 @ 70 Hz, 56.5 KHz v v v v DMT

20. 1024 x 768 @ 72 Hz, 58.1 KHz v v v v DMT

1024 x 768 @ 75 Hz, 60 KHz v v v v DMT;

For Separated , Composite

and SOG,

Switch 1280x768@75Hz

21. and 1024x768@75Hz by

[1]+[2] short cut key

(primary =

1280x768@75Hz)

22. 1024 x 768 @ 75 Hz, 60.2 KHz v v v v For MAC

23. 1152 x 864 @ 75 Hz, 67.5 KHz v v v v DMT

24. 1152 x 870 @ 75 Hz, 68.7 KHz v v v v For MAC

25. 1152 x 900 @ 67 Hz, 62.5 KHz v v v v For SUN

26. 1280 x 720 @ 50 Hz, 37.5 KHz v v v v DTV

27. 1280 x 720 @ 60 Hz, 45 KHz v v v v DTV

1280 x 768 @ 50 Hz, 39.6 KHz v v v v DMT

For Separated and

28. Composite sync, Switch

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1024x768@50Hz and

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1280x768@50Hz by [1]+[2]

short cut key (primary =

1024x768@50Hz)

1280 x 768 @ 60 Hz, 47.8 KHz v v v v DMT;

For Separate, Composite

and SOG sync,

Switch 1280x768@60Hz

29.

and 1024x768@60Hz and

1360x768@60Hz and

1366x768@60Hz by [1]+[2]

short cut key (primary =

1360x768@60Hz )

1280 x 768 @ 75 Hz, 60.3 KHz v v v v DMT;

For Separated , Composite

and SOG,

Switch 1280x768@75Hz

30. and 1024x768@75Hz by

[1]+[2] short cut key

(primary =

1280x768@75Hz)

31. 1280 x 800 @ 60 Hz, 49.7 KHz v v v v DMT

32. 1280 x 800 @ 75 Hz, 62.8 KHz v v v v DMT

33. 1280 x 960 @ 50 Hz, 49.4 KHz v v v v DMT

34. 1280 x 960 @ 60 Hz, 60.0 KHz v v v v DMT

35. 1280 x 960 @ 75 Hz, 75.2 KHz v v v v DMT

36. 1280 x 1024 @ 50 Hz, 52.7 KHz v v v v DMT

37. 1280 x 1024 @ 60 Hz, 64 KHz v v v v DMT

38. 1280 x 1024 @ 75 Hz, 80 KHz v v v v DMT

1360 x 768 @ 60 Hz, 47.7 KHz v v v v DMT

For Separate, Composite

and SOG sync,

Switch 1280x768@60Hz

39.

and 1024x768@60Hz and

1360x768@60Hz and

1366x768@60Hz by [1]+[2]

short cut key (primary =

1360x768@60Hz )

40. 1366 x 768 @ 59.79 Hz, 47.7 KHz v v v v DMT

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For Separate, Composite

and SOG sync,

Switch 1280x768@60Hz

and 1024x768@60Hz and

1360x768@60Hz and

1366x768@60Hz by [1]+[2]

short cut key (primary =

1360x768@60Hz )

41. 1440 x 900 @ 60 Hz 55.9 KHz v v v v DMT

42. 1440 x 900 @ 75 Hz 70.6 KHz v v v v DMT

1400 x 1050 @ 60 Hz 65.3 KHz v v v v DMT;

For Separated , Composite

and SOG,

43.

Switch 1400x1050@60Hz

and 1680x1050@60Hz by

[1]+[2] short cut key

(primary =

1680x1050@60Hz)

44. 1400 x 1050 @ 75 Hz 82.3 KHz v v v v DMT

45. 1600 x 1200 @ 60 Hz 75.0 KHz v v v v DMT

46. 1680 x 1050 @ 60 Hz 64.7 KHz v v v v DMT

1680 x 1050 @ 60 Hz 65.3 KHz v v v v DMT;

For Separated , Composite

and SOG,

Switch 1400x1050@60Hz

47. and 1680x1050@60Hz by

[1]+[2] short cut key

(primary =

1680x1050@60Hz)

48. 1920x1080 @ 60 Hz 67.5 KHz v v v v DMT

49. 480i @ 60 Hz

50. 480p @ 60 Hz 　　　　

51. 576i @ 50 Hz

52. 576p @ 50 Hz 　　　　

53. 720p @ 50 Hz 　　　　

54. 720p @ 60 Hz 　　　　

55. 1080i @ 50 Hz

56. 1080i @ 60 Hz

57. 1080p @ 50 Hz 　　　　

58. 1080p @ 60 Hz 　　　　

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3. Front Panel Function Control Description

3.1 Front Panel Hardware Controls

Power Switch AC Power Switch on the back cover

Soft Power Switch on the front bezel

Power LED (Front Head) Blue – ON

Amber – Active Off

Dark = Soft Power Switch OFF

Front Panel Controls (Head)

[ 1 ] [ 2 ] [ ] [▲] [▼]

[ ] Power

[ 1 ] Button 1

[ 2 ] Button 2

[▲] Up arrow button

[▼] Down arrow button

Note: Power Button, Button 1 and Button 2

must be one-shot logic operation. (i.e. there

should be no cycling)

Reaction Time OSD must fully appear within 0.5s after

pushing Button 1

3.2 Short Cuts Function from the button

[1] Main Menu

(refer to segment 3.3)

[2] Input toggle (Analog or DVI; refer to Appendix D)

[▼] To immediately activate Contrast / Brightness OSD Menu.

[▲] To immediately activate Contrast / Brightness OSD Menu.

[▼]+ [▲] In the BT / CR mode, recall both Contrast and Brightness

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

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to default in its menu without OSD message. (Under

Contrast or Brightness adjust sub-menu, recall Contrast or

Brightness to its default without OSD message.)

* While OSD menu off, recall CR/ BT to default without OSD

message

or 640x400 mode

* Default = 720 x 400

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[1] + [▼] + [▲]

White Balance

(Keep pushing 5 sec)

1. It will not shown on user’s guide

2. OSD message as below,

(Image = no blanking)

3. Recommend environment

3.1. Optical (Best) input timing = 640 x 480 @ 60Hz;

Following timing modes also recommended,

800 x 600 @ 60 Hz

1024 X 768 @ 60 Hz

3.2. Pattern as below,

[1] + [▲] OSD Lock / Unlock (refer to segment 3.4)

[1] + [▼] Power Lock / Unlock (refer to segment 3.5)

[2] + [▼] Toggle DDC/CI and DDC/2B (DDC/CI enable/disable) and

show following message for 3 seconds,

When switch to DDC/CI

When switch to DDC/2B

Default = DDC/CI

Signal + [2] + [ ] Factory Mode

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

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4. Circuit Description

CON3

CON1

CON5 CON6

CON7

CON8 CON2

J4 or

Power Circuit：

Power board provided +5VD(CON1.1~CON1.2) and +5V (CON3~CON4),Which

+5V is for system and LCD Panel,+5VD provided for Audio AMP.

At AC power on status,Power off mode and standby mode,Power source only

provided +5V to TSUMO88GDI,Monitor total power consumption will be less the

1W. The status for +5VD and +5V as below：

+5V will provide：

1. via Q4、Q3：VLCD(for LCD panel)

2. via U9 transferred to +3.3V(for TSUMO88GDI and system related parts)

3. via U9 transferred to +1.8V(for TSUMO88GDI)

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+5VD will provide：

1. via J6 to USB HUB(for GL805G)

Backlight Control：

CON1.9 is inverter on/off control pin,which 5V is ON,0V is OFF；CON1.10 is

Brighthess control pin,control way is PWM,0% is darkest,100% is brilliant.

LCD panel power and signal：

CON5 is FFC connector which provided for LCD panel LVDS,the LVDS singnal

sent from TSUMO88GDI.

VIDEO：

The outputs for video are CON8、CON2 as below：

CON8：DVI

CON2：D-SUB

These signals will transmit to TSUMO88GDI,transferred to LVDS, to LCD Panel

via CON5 for programming.

KEYPAD & LED DISPLAY：

CON3 is KEY and LED board connector, controlled way for key board is from

ADC, build in TSUMO88GDI. When user press the buttons, identified by

TSUMO88GDI fordifferent voltage to control the right action by TSUMO88GDI.

Controlled way for LED board is from GPIO, Power off：LED is dark, Power on：

LED is blue light, standby mode：LED is orange light, which controlled by

TSUMO88GDI.

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5. Adjusting Procedure

5.1 Function Control Description

5.1.1 Main Menu OSD Table

Main Menu

Level 1 Level 2 Level 3

Auto Image Adjust

1. Key button definition:

[1]: OSD off

[2]: Execute the selected function

[Up]: Rolling up the slider

(When push the button on the top position,

the slider shall go down to the bottom item)

[Dn]: Rolling down the slider

(When push the button on the bottom

position, the slider shall go down to the top

item)

2. Under sRGB or DCR mode, the

Contrast/Brightness shall be disabled with

fate-out color. And it should not be selected.

1. Background = blanking

2. The message OSD

position is at the center.

3. After auto tune, OSD shall

be off

4. Only for analog mode

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Contrast/Brightness

Contrast

1. Adjust range = 0 to 100

2. Default = 70

3. Key button definition:

[1] = Back to Main Menu or

OSD off

(depend on previous

Key button definition:

[1]: Back to previous OSD

status

[2]: select to adjust value

setting.

[Up]: Move up the slider

[Dn]: Move down the slider

status)

[Up] = Increase the OSD

value setting

[Dn] = Decrease the OSD

value

[Up]+[Dn]: Recall to default

Brightness

1. Adjust range = 0 to 100

2. Default = 100

3. Key button definition:

[1] = Back to Main Menu or

OSD off

(depend on previous

status)

[Up]: Increase the OSD value

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setting

[Dn]: Decrease the OSD value

[Up]+[Dn]: Recall to default

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Input Select

D-SUB

Step 1: Turn off OSD.

Step 2:

1. Target video input port =

Analog

2. If signal detected from

1. Show on existing input

port by white-background

color

2. Key button definition:

[1]: Back to previous OSD

status

[2]: Change to the selected

input port

[Up]: Move up the slider

[Dn]: Move down the slider

target port, change to

target port.

3. If no signal detected from

target port, keep existing

input port.

Step 3: Show on Input

Message OSD at the

right-top corner of screen for

1 second.

DVI

Step 1: Turn off OSD.

Step 2:

1. Target video input port =

Digital

2. If signal detected from

target port, change to

target port.

3. If no signal detected from

target port, keep existing

input port.

Step 3: Show on Input

Message OSD at the

right-top corner of screen for

1 second.

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Color Adjust

sRGB

1. Show on existing input

port by white-background

color

2. Default = 6500K

3. Key button definition:

[1]: Back to previous OSD

status

[2]: Change to the selected

color setting

[Up]: Move up the slider

[Dn]: Move down the slider

4. Under DCR mode

(Dynamic Contrast = On),

sRGB shall be disabled

with fate-out color. And it

should not be selected.

Change Color setting to sRGB

9300K

Change Color setting to 9300K

7500K

Change Color setting to 7500K

6500K

Change Color setting to 6500K

5000K

Change Color setting to 5000K

User Color

Change Color setting to user

color

Red

1. Adjust range = 0 to 100

2. Default = 100

3. Key button definition:

[1]: Back to Color Adjust

OSD

[2]: selected setting.

[Up]: Increase the OSD

value setting

[Dn]: decrease the OSD

value setting

Green

1. Adjust range = 0 to 100

2. Default = 100

3. Key button definition:

[1]: Back to Color Adjust

OSD

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[2]: selected setting.

[Up]: Increase the OSD

value setting

[Dn]: decrease the OSD

value setting

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Blue

1. Adjust range = 0 to 100

2. Default = 100

3. Key button definition:

[1]: Back to Color Adjust

OSD

[2]: selected setting.

[Up]: Increase the OSD

value setting

[Dn]: decrease the OSD

value setting

Information

Key button definition:

[1]: Back to Main Menu

OSD

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Manual Image Adjust

H./V. Position

Horizontal Position

Key button definition:

[1]: Back to previous OSD

status

[2]: Execute the selected

function

[Up]: scroll up the slider

(When push the button

on the top position, the

slider shall go down to

the bottom item

[Dn]: Scroll down the slider

(When push the button

on the bottom position,

the slider shall go down

1. Adjust range = 0 to 100

2. Key button definition:

[1]: Back to Manual

Image Adjust OSD

[2]: selected setting.

[Up]: Increase the OSD

value setting

[Dn]: Decrease the

OSD value

Vertical Position

1. Adjust range = 0 to 100

2. Key button definition:

[1]: Back to Manual

Image Adjust OSD

[2]: selected setting.

[Up]: Increase the OSD

value setting

[Dn]: Decrease the

OSD value

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to the top item

2. Under Digital mode, all the

H./V. Position, Horizontal

Size and Fine Tune shall

be disabled with fate-out

color. And it should not

be selected.

3. Under native mode,

Sharpness shall be

disabled with fate-out

color. And it should not

be selected.

4. Under SRGB mode,

Dynamic Contrast shall

be disabled with fate-out

color. And it should not

be selected.

Horizontal Size

1. Adjust range = 0 to 100

2. Key button definition:

[1]: Back to Manual Image

Adjust OSD

[Up]: Increase the OSD

value setting

[Dn]: Decrease the OSD

value

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Fine Tune

1. Adjust range = 0 to 100

2. Key button definition:

[1]: Back to Manual Image

Adjust OSD

[Up]: Increase the OSD

value setting

[Dn]: Decrease the OSD

value

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Sharpness

1. Adjust range = {0 / 25 / 50 /

75 / 100}

2. Default = 50

3. Key button definition:

[1]: Back to Manual Image

Adjust OSD

[Up]: Increase the OSD

value setting

[Dn]: Decrease the OSD

value

Dynamic Contrast

Swap on and off the Dynamic

Contrast function

Default = Off ; = On

 = Off

When Dynamic Contrast is on,

below functions will be

disabled:

1. Brightness/Contrast menu

2. SRGB selection in Color

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Adjust

3. White balance hot key

4. DDC/CI BR/CT adjustment

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Aspect Ratio

1. Show on existing Aspect

Ratio setting by

white-background color

2. Key button definition:

[1]: Back to previous OSD

status

4:3

Change aspect ratio to

4:3

Full Screen

Fill screen with panel

native aspect ratio.

[2]: Change to the selected

Display Mode setting.

[Up]: Scroll up the slider

(When push the button

on the top position, the

slider shall go down to the

bottom item)

[Dn]: Scroll down the slider

(When push the button

on the bottom position, the

slider shall go up to the top

item)

3. Default = full screen

Note : 1.When input signals

are wide format, this

function is disable.

2.When input signals are

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non-wide format. this

function is enable.

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ECO Mode

Standard

OSD adjust range = 0 to

100

1. This function toggles ECO

mode.

2. Show on existing ECO Mode

setting by white-background

color

3. Key button definition:

[1]: Back to previous OSD

status

[2]: Change to the selected

Display Mode setting.

[Up]: Scroll up the slider

(When push the button

on the top position, the

slider shall go down to the

bottom item)

[Dn]: Scroll down the slider

(When push the button

on the bottom position, the

slider shall go up to the top

Optimize

OSD adjust range = 0 to

100

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item)

4. Default = Standard

5. Under sRGB mode, ECO

Mode shall be disabled with

Conserve

OSD adjust range = 0 to 100

fate-out color. And it should

not be selected.

6. No matter DCR on or off,

lamp current will be changed

by ECO mode change.

7. While ECO or DCR setting

changed, the lamp current

shall be updated to new

setting immediately.

8. Do not lock Contrast or

Brightness OSD for ECO

function

9. Following is the lamp current chart,

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Setup Menu

1. Key button definition:

[1]: Back to Main Menu

OSD

[2]: Execute the selected

function

[Up]: Scroll up the slider

(When push the button

on the top position, the

slider shall go down to

the bottom item)

[Dn]: Scroll down the slider

(When push the button

on the bottom position,

the slider shall go down

to the top item)

Language Select

1. Show on existing input port

by red color

2. Key button definition:

[1]: Back to previous OSD

status

[2]: Change to the selected

language setting

[Up]: Scroll up the slider

(When push the button on

the top position, the slider

shall go down to the

bottom item

[Dn]: Scroll down the slider

(When push the button on

the bottom position, the

slider shall go down to the

top item

English

Set OSD language to

English and keep in

Language Select OSD

French

Set OSD language to

French and keep in

Language Select OSD

German

Set OSD language to

German and keep in

Language Select OSD

Spanish

Set OSD language to

Spanish and keep in

Language Select OSD

Italian

Set OSD language to

Italian and keep in

Language Select OSD

Finnish

Set OSD language to

Finnish and keep in

Language Select OSD

Russian

Set OSD language to

Russian and keep in

Language Select OSD

Japanese

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Set OSD language to

Japanese and keep in

Language Select OSD

Korean

Set OSD language to

Korean and keep in

Language Select OSD

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Traditional Chinese

Set OSD language to

Simplified Chinese and

keep in Language Select

OSD

Simplified Chinese

Set OSD language to

Traditional Chinese and

keep in Language Select

OSD

Resolution Notice

Swap on and off the Resolution

Notice function

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OSD Position

OSD H. Position

1. Adjust range = 0 to 100

2. Default = 50

3. Key button definition:

[1]: Back to Setup

Menu OSD

[2]: selected

setting[Up]:

Increase the OSD

value setting (move

OSD right)

[Dn]: Decrease the

OSD value setting

(move OSD left)

[Up]+[Dn]: Recall to

default value

OSD V. Position

1. Adjust range = 0 to 100

2. Default = 50

3. Key button definition:

[1]: Back to Setup

Menu OSD

[2]: selected setting

[Up]: Increase the OSD

value setting (move

OSD up)

[Dn]: Decrease the

OSD value setting

(move OSD down)

[Up]+[Dn]: Recall to

default value

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OSD Time Out 5

Set OSD Time Out to 5

Seconds

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1. Adjust range = 5, 15, 30, 60

2. Default = 15

3. Key button definition:

[1]: Back to Setup Menu

OSD

[Up]: Increase the OSD

Set OSD Time Out to 15

Seconds

Set OSD Time Out to 30

Seconds

Set OSD Time Out to 60

Seconds

value setting

[Dn]: Decrease the OSD

value setting

[Up]+[Dn]: Recall to default

value

OSD Background

Swap on and off the OSD

Background

; = Non-transparent

 = Transparent

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Auto Power Off

Swap on and off the Auto

Power Off function

Power off the display

automatically when no signal is

detected for 3 minutes.

; = On

 = Off

Note :

1. When no signal input with Auto Power Off = ON, the display will go into power saving first. After 3 minutes, the display will turn off automatically.

2. When no signal input with Auto Power Off = OFF, the display will go into power saving as normal display.

3. Default = Off

4. Memory Recall will call

back the setting to default.

5. When push Power Lock

hot key under Auto Power

Off = On, the message OSD

will show on for 3 seconds

(Power Lock function is

disabled),

6. The function will be

disabled when power button

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locked.

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Memory Recall

1. Background = blanking

2. Recall white balance to

factory setting

3. Recall all the OSD setting

to the default. (include

the R/G/B in User Color)

4. Show the message OSD

position is at the center

for 3 seconds.

5. Clean FIFO timing mode

buffer

6. Execute Auto Image

Adjust

Note: Memory Recall should

not effect on Language,

Power Lock Settings or

Input Priority

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5.1.2 OSD Lock short cuts function for the button

The OSD lock will be activated by pressing the front panel control buttons [1] + [▲]

for 10 seconds *1. If the user then tries to access the OSD by pressing any of the

buttons, a message will appear on the screen for 3 seconds showing "OSD

Locked" *2. The OSD lock will be deactivated by pressing the front panel control

buttons [1] + [▲] again for 10 seconds*3.

*1 The OSD Lock message as below,

Range = 0 to 10

*2 The OSD Locked message as below,

*3 The OSD Unlock message as below,

Range = 0 to 10

*4 When the OSD is locked will lock all functions, including “Volume”, “Mute” and

others.

*5 Status bar indicating OSD Lock or Unlock is in progress and when complete it will

indicate “OSD Locked” or “OSD Unlocked” for 3 seconds as below,

OSD Locked

OSD Unlocked

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*6 When OSD appears on screen, the OSD Lock/Unlock short cut key will be

disabled.

5.1.3 Power Lock short cuts function for the buttons

The Power lock will be activated by pressing the front panel control buttons [1] +

[▼] for 10 seconds *1. Locking the power button means that the user won't be able

to turn off the LCD while the power button is locked. If the user presses the power

button while it is locked, a message will appear on the screen for 3 seconds

showing "Power Button Locked"

. It also means that with the power button

locked, the LCD would automatically turn back "On" when power is restored after

a power failure. If the power button is not in the locked mode, then power should

return to it's previous state when power is restored after a power failure. The

Power lock will be deactivated by pressing the front panel control buttons [1] + [▼]

again for 10 seconds

*1 The Locking Power Button message as below,

Range = 0 to 10

*2 The Power Button Locked message as below,

*3 The Unlocking Power Button message as below,

Range = 0 to 10

*4 Status bar indicating Power Button Lock or Unlock is in progress and when

complete it will indicate “Power Button Locked” or “Button Unlocked” for 3

seconds as below,

Power Button Locked

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Button Unlocked

*5 When OSD appears on screen, the OSD Lock/Unlock short cut key will be

disabled.

5.1.4 Input Signal Notice Actions

Input Signal Notice Actions

1. The Input Signal Notice OSD appears 1 second when power turns on or

change input signal.

2. The Input Signal Notice OSD position is on the right-top side of image.

3. The OSD message as below,

5.1.5 Resolution Notice Actions

1. Resolution Notice OSD should show on screen after changing to non-native

mode for 30 sec.

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2. Key button definition:

[1]: Turn off the OSD message.

[2]: Turn off the OSD message and disable Resolution Notice function

3. The OSD should disappear after 10 sec or by pushing button [1] or [2]

4. After the OSD turns off, it will not show on again before next timing change,

input change or power off.

5. Resolution Notice function should be disabled when push button [2] under

Resolution Notice OSD

6. The “1920x1080” will be replaced by actual panel resolution.

5.1.6 0-Touch™ Function Actions

1. Execute Auto Image Adjust when new mode detected, and save the settings to

buffer for further use

2. It should be reset by Memory Recall function

(Should not reset by power off, power unplug and others)

5.1.7 OSD Auto Save

The OSD shall save new settings when it is turned off by the user or when it times

out. There shall not be a separate save

5.1.8 Out of range

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While non-defined timing is detected, following OSD message will keeps showing

on,

1. If the timing is over spec (Fh, Fv or dot clock), the image shall be blanking, and

OSD background shall be non-transparent.

2. If the timing is inspect but not defined, the image shall be non-blanking.

5.1.9 No signal for D-sub / DVI

While no signal is detected for D-Sub and DVI, the following OSD message shall

shows on 3 seconds then go in to power saving.

OSD Background = Non-transparent

Image = Blanking

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5.2 BIOS /Firmware Update SOP

Step1: Prepare a PC and the target HDTV.

Step 2: Connect isp board by usb cable (from PC to isp board) and D-sub cable

(from isp board to monitor).

Step 3: Copy the .bin format file (for example, VX2739WM_252.bin) to a folder of

the computer from the CD.

Step 4: Double click the ISP Tool with the CD as the following icon to open the ISP

tool.

Step 5: The outline of isp tool.

Step 6: Click on the “Connect” icon. A pop menu will show up. Press the “OK”

button.

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Step 7: Click on the “Read” icon. Press the “Read” button and select the .bin file

which is copied to the folder of the computer. Press the “open” button.

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Step 7: Click on the “Auto” icon and press the “Run” button.

Step 8: Flash is running.

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Step 9: Flash is finished.

5.3 Disassembly Procedure

Please follow the information provided in this section to perform the complete

disassembly procedure of the LCD panel. Be sure to use proper tools described

below.

LCD consists of various Parts. This chapter describes the procedures for the

complete parts disassembly. In addition, in between procedures, the detailed

disassembly procedure of individual parts will be provided for your service needs.

The disassembly procedure consists of the following steps:

1. Base & Cover

2. LED Board

3. Front Cover

4. Keypad

5. PSU Board

6. Main Board

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Base & Cover

1. Remove 4 screws (M4*13L (X)) that fixing on the neck.

2. Push down the Base and remove it.

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3. Remove the 1 screw to unplug the stand neck.

4. Remove the 4 screws to take off the Hinge.

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5. Then remove the screws.

6. Take off the Rear Cover carefully.

LED Board

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1. Take off the 4 tapes on the LVDS wire and Keypad wire.

2. Unplug the power wire and keypad wire.

3. Remove the 2 screws on the LED Board.

4. Unplug the LED Board wire and take off the LED Board.

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Front Cover

1. Take off the Shielding from the Panel.

2. Take off the Front Cover from the Panel.

Keypad

Take off the Keypad from the Front Cover.

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PSU Board

1. Remove 4 screws on the Shielding.

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2. Unplug the power cable from the PSU board.

3. Remove the 4 screws and take off the PSU board.

MainBoard

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1. Remove 4 screws that fixing on the MainBoard.

3. Disconnect the LVDS and Keypad Cable from MainBoard and remove the

MainBoard.

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6. Troubleshooting Flow Chart

Can not boot

Check AC-power

whether is OK

Replacement the

AC Power

Supply

Disassembles the system

Equipment

to remove the PSU, and

supplies the power directly

The nondefective

Replace the PSU

and Test

Replacement MB and

Abnormal screen

1.Test after boot，the screen left bottom has the streaks

2. Purple screen after booting

3. White screen appears after booting

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4. White-black screen after booting

5. Black screen after booting

Abnormal screen

Double check

abnormal system

Disassembles LCD

cover &check LVDS

cable at its place

Assembly

machine to test

FAIL

Test LVDS cable

PASS

Rearrange LVDS

cable & assembly

machine to test

PASS

FAIL

Replace PSU

&test

FAIL

Replace MB

&test

FAIL

Replace

PANEL & t es t

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PASS

The nondefective

PASS

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Keypad Board does not work

OSD is unstable or not working

Is Key Pad Board

connecting normally?

Is Button Switch

normally?

Connect Key Pad Board

Replace Button Switch

Is Key Pad Board

Normally?

Check Main Board

Replace Key Pad Board

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After boot power light does not bright

After boot power

light does not bright

Reset the abnormal

machine

FAIL

Disassemble the

LCD cover and

check the IR cable

PASS

Replace new IR

PASS

The nondefective

cable and test

FAIL

PASS

Replace IR

board and test

FAIL

PASS

Replace MB

and test

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7. Block Diagrams

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8. Schematic Diagrams

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9. PCB Layout Diagrams

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10. Exploded Diagram And Spare Parts List

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(B)

(X)

(W)

(X)

EXPLODED PARTS LIST (VX2739w-2)

ViewSonic Model Number: VS12843 Rev: 1a

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

1 2 3 4 5 HW-00009267 13EB-1CN0101 EB1C VX2739 HINGE 1 6 PL-00008859 13EB-1CQ0101 EB1C VX2739 FUNCTION KEY 1 7 8 C-00010335 13EB-1CB0601 EB1C FOR CHINA/REAR COVER ASS

9 10 M-00008270 13EB-03U0301 B05 RUBBER FOOT D=20.6 7 11 HW-00009272 131C-000R000 SCREW M4*10 12 13 HW-00009269 131A-007U000 SCREW M3*6.0 14 15 HW-00009271 131A-007G000 SCREW M4*6L 16 17 HW-00009196 131C-006C000 SCREW M3*8L 18 19 20 C-00010370 13EB-1CB0401 EB1C/VX2739/STAND NECK ASSY 1 21 PL-00008884 13EB-1CB0501 EB1C/VX2739/STAND BASE ASSY 1 22 CB-00009417 1414-03LN000 W.H CABLE 10P TO 10P,L:200mm 1 23 24 25 26

A 13EB-1CQ0C01 EB1C FOR CHINA FRONT COVER 1 A 13EB-1CQ0501 EB1C VX2739 POWER KEY DECOR 1 A 13EB-1CQ0301 EB1C VX2739 POWER KEY 1 A 13EB-1CB0701 EB1C/FOR CHINA/SHIELDING ASSY 1

A 13EB-1CQ0601 EB1C VX2739 STAND NECK 1

A 13EB-1CQ0401 EB1C VX2739 STAND BASE 1

B-ZN #2 4

A 131A-004U000 SCREW M4*8L (F) B-ZN #2 4

W-NI #2 10

A 13EB-1CN0301 EB1C/VX2739/LOGO PLATE 4

W-NI 1

A 1302-00EW000 STAND OFF #4-40*7+5 W-NI 4

W-NI 4 A 13EB-1BU0101 EB1B VX2439 HAND SCREW M4-13L 1 A 13EB-1BQ0801 EB1B VX2739 STAND RING 1

A 1414-03KT000 W.H CABLE 8P TO 4P TO 4P A 1 A 1412-00VH000 FFC CABLE 30P,P:1.0mm,L:220mm A 1414-03KS000 W.H CABLE 4P TO 4P,L:850mm A 2 A 1414-03L8000 W.H CABLE 2P TO 2P,L:120mm A 1

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)

(TM)

(BM)

(RM)

NAN/A

(M)

NAN/A

PACKING PARTS LIST (VX2739w-2)

ViewSonic Model Number: VS12843 Rev: 1a

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

1 2 3 4 5 P-00010401 1505-01K0000 EPE CUSHION VX2739WM 6 P-00010402 1505-01K1000 EPE CUSHION VX2739WM 7 P-00010403 1505-01JY000 EPE CUSHION VX2739WM 8

9 10 11 12 P-00010404 1516-00VN000 PET COVER VX2739WM 1 13 14 15 DC-00010434 1509-02NS000 CD ML VX2739W-2 1 16 17 18 CB-00009409 1401-00DB000 VGA CABLE HDB 19 CB-00009410 1401-00DE000 DVI 20 CB-00009411 1401-00DC000 USB CABLE A/M TO B/M L:1.8M 1 21 22 23 P-00010396 1503-02EK000 CARTON VX2739W-2 1 24

A 1505-01DG000 EPE CUSHION VX2739WM (TR A 1505-01DH000 EPE CUSHION VX2739WM_STAND 1 A 1505-01DJ000 EPE CUSHION VX2739WM (BR A 1505-01DK000 EPE CUSHION VX2739WM (BL

A 1516-012N000 3D PE BAG VX2739W-2 1 A 1516-0148000 PE BAG STAND VX2739WM 1 A 1522-01M0000 FLYER SERVICE ML VX2439WM R1.0 1 A 1522-01M4000 BASE INSTALLATION ENG 1

MONITOR 1

A 1506-0C1Q000 INSTALATION QUIDE ENG 1

A 1417-003E000 AUDIO CBL 3.5 STEREO PLUG BOTH 1 A 1411-00EX000 AC POWER CORD UL/CSA/3P/3C 1

TO HDB(M) 15P 1

TO DVI(M) 18+1P L:1.8M 1

STAND 1

A 1506-0CRV000 QSG TWN VX2739WM 1

A 1516-0147000 EPE BAG VX2739WM 1

1 1 1 1 1

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11. Recommended Spare Parts List

)

(

)

(

]

(X)

(W)

(B)

(X)

(F)

]

)

ternal Cables, Mouse,

ViewSonic Model Number: VS12843

RECOMMENDED SPARE PARTS LIST (VX2739w-2)

Rev: 1a Serial No. Prefix:

Item Categor

1 Power Cord ACPOWERCORDCCC/3C,L:1.8

Accessories: [Adapter,

2 Si

Battery, Remote

3 Si

Controller, Power Cord,

4 USB Cabl

5 Main Board VX2739WM/1A1D/MAINBD./VS B-00010420 69EB3HM11A01P Main Source

PC Board Assembly: [All

6 Power Board POWER SUPPLY 68W

PCBA]

7 Ke 8 USB Boar

9 LED Board VX2439WM/LED BD./VIEWSONI 10 IO Board VX2739WM/1A1D/IOBD./VS B-00010451 69EB3HB11A01P Main Source 11 Front Bezel EB2CFORCHINA/FRONTCOVERAS

Cabinets: [Front Bezel, All

12 Back Cove

Covers, Base/Stand

13 Stand Assembl

Assembl

14 Flat Cabl

Cables: [All internal

15 Wire W.HCABLE2PTO2P,L:30m

Cables/wires]

16 Wire W.H CABLE 8P TO 4P TO 4P CB-00009413 1414-03KT000 Main Source 17 Wire W.H CABLE 5P TO 5P,L:800mm CB-00009414 1414-03KR000 Main Source 18 Wire W.H CABLE 4P TO 4P,L:770mm CB-00009415 1414-03KS000 Main Source 19 Wire W.H CABLE 2P TO 2P,L:100mm CB-00009416 1414-03L8000 Main Source 20 Wire W.H CABLE 10P TO 10P,L:180mm CB-00009417 1414-03LN000 Main Source 21

Documentation: [Quick

22 User's Guide

Start Guide, CD Rom;

23 Guarant / Warrant

Label]

24 Label / Sticke 25 Label / Sticke 26 Label / Sticke 27 Label / Sticke 28 Label / Sticke

Electronic Components:

[LCD Panel, Speaker, and all Electronic Modules

30 Hin

Hardware: [Screw,

31 Shieldin

Bracket, Hinge]

32 Screw SCREW M3*6.0 33 Screw SCREW M4*6L 34 Screw SCREW M4*10 35 Screw SCREW M3*8L 36 Screw EB1C SCREW M4*10L 37 Screw EB1CVX2739SCREWPACKINGASS

Miscellaneous: [Switch,

Fan

Rubber Foot, Logo

39 Carton CARTONVX2739W-2 P-00010396 1503-02EK000 Main Source

Packing Material: [Box,

40 Cushio

Foam, Bags]

41 Cushio 42 Cushio 43 Cushio 44 Cushio 45 Cushio 46 Cushio 47 Cushio 48 Cushio 49 Protective Fil 50 Button EB1C VX2739 FUNCTION KEY PL-00008859 13EB-1C

Plastics: [Pedestal,

51 Pedestal EB1C/VX2739/STAND BASE ASSY PL-00008884 13EB-1CB0501 Main Source

stand/neck

Plate, Button

Remark 1: Remark 2:

Notice:

Part Name Description ECR/EC ViewSonic P/N Ref. P/N Ref. NO Compatibilit Location Universal

nal Cabl nal Cabl

ucik Start Guide

Panel LCD TFT 27.0' FULL HD E-00010096 1823-00SL000 Main Source

Cove

Rubber Foot B05 RUBBER FOOT D=20.6 M-00008270 13EB-03U0301 Main Source

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

1. For some special parts, some photos for identification purpose may be asked by request

2. For all internal cables, there must be some wordings on the "Description" column about where the cable is used (connecting to which two parts)

3. All internal cables/wires should be put in the "Cables" category

4. All external cables should be put in the "Accessories" category

5. Parts relationship (Main/Second source or 1/2/3/4) should be added in the "Compatibility" column

6. If any part for certain product isn't listed in the form, supplier/PE can add it themselves and keep the part name unified.

VGA CABLE HDB(M) TO HDB(M DVI(M) TO DVI(M) 18+1P L:1.8M CB-00009410 1401-00DE000 Main Source USB CABLE A/M TO B/M L:1.8

VX2439WM/KEYPAD B-00010283 69EB3GK10A01P Main Source VX2739WM/USB BD/VIEWSONI

EB1CFORCHINA/REARCOVERASS EB1C/VX2739/STAND NECK ASSY C-00010370 13EB-1CB0401 Main Source FFC CABLE 30P,P:1.0mm,L:195mm CB-00009412 1412-00VH000 Main Source

SGCHIVX2739W-2R2.0 DC-00010433 1506-0D18000 Main Source

CD ROM)CDMLVX2739W-2 DC-00010434 1509-02NS000 Main Source

CardWARRANTYCARDCHIVX2439 DC-00010423 1522-01T8000 Main Source

CARTONLABELVX2439WM DC-00010424 1510-0FUW000 Main Source UPCLABELVX2739W-2R1.0 DC-00010435 1510-0H2F000 Main Source WARRANTYLABELCHIVX2739R1. POPSTICKERVX2739W-2R1.0 DC-00010437 1510-0H2G000 Main Source RATINGLABELCHIVX2739W-

EB1C VX2739 HINGE HW-00009267 13EB-1CN0101 Main Source EB1CVX2739W-2SHIELDINGASS

EPECUSHIONVX2739WM_STANDT EPECUSHIONVX2739WM(TR EPECUSHIONVX2739WM(BL EPECUSHIONVX2739WM(BR CABLE CUSHION VX2439W PAPER CUSHION VX2739 P-00010261 1524-02KH000 Main Source EPECUSHIONVX2739WM(TM EPECUSHIONVX2739WM(BM EPECUSHIONVX2739WM(RM PET COVER VX2739WM P-00010404 1516-00VN000 Main Source

LIPS

W-NI #2 HW-00009269 131A-007U000 Main Source W-NI HW-00009271 131A-007G000 Main Source

B-ZN #2 HW-00009272 131C-000R000 Main Source

W-NI HW-00009196 131C-006C000 Main Source

B-ZN #2 HW-00009274 13EB-1CU0101 Main Source

A-00008784 1411-00P1000 Main Source

CB-00009409 1401-00DB000 Main Source

CB-00009411 1401-00DC000 Main Source

B-00010282 04A5-009F000 Main Source

B-00010284 69EB3HJ10A01P Main Source B-00010450 69EB3GE10A01P Main Source

C-00010334 13EB-1CB0801 Main Source C-00010335 13EB-1CB0601 Main Source

CB-00009527 1414-03F4000 Main Source

DC-00010436 1510-0H7N000 Main Source

DC-00010438 1510-0K2L000 Main Source

HW-00009339 13EB-1CB0A01 Main Source

HW-00009354 13EB-1CB0C01 Main Source

P-00010397 1505-01JW000 Main Source P-00010398 1505-01JX000 Main Source P-00010399 1505-01JU000 Main Source P-00010400 1505-01JV000 Main Source P-00010260 1524-02FT000 Main Source

P-00010401 1505-01K0000 Main Source P-00010402 1505-01K1000 Main Source P-00010403 1505-01JY000 Main Source

0101 Main Source

ViewSonic Corporation

Confidential - Do Not Copy

VX2739W-2

(X)

(W)

(B)

(X)

(F)

)

(M)

(TM)

(BM)

(RM)

BOM LIST (VX2739w-2)

ViewSonic Model Number: VS12843 Rev: 1a

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

1 B-00010420 69EB3HM11A01P VX2739WM/1A1D/MAIN BD./V 2 B-00010450 69EB3GE10A01P VX2439WM/LED BD./VIEWSONI 3 B-00010283 69EB3GK10A01P VX2439WM/KEYPAD BD./VIEWSONI 4 B-00010451 69EB3HB11A01P VX2739WM/1A1D/IO BD./V 5 B-00010284 69EB3HJ10A01P VX2739WM/USB BD/VIEWSONI 6 C-00010335 13EB-1CB0601 EB1C FOR CHINA/REAR COVER ASS 7 PL-00008859 13EB-1CQ0101 EB1C VX2739 FUNCTION KE 8 C-00010370 13EB-1CB0401 EB1C/VX2739/STAND NECK ASS

9 HW-00009269 131A-007U000 SCREW M3*6.0 10 HW-00009271 131A-007G000 SCREW M4*6L 11 HW-00009272 131C-000R000 SCREW M4*10 12 N 13 HW-00009196 131C-006C000 SCREW M3*8L 14 PL-00008884 13EB-1CB0501 EB1C/VX2739/STAND BASE ASS 15 HW-00009274 13EB-1CU0101 EB1C SCREW M4*10L 16 N 17 N 18 N 19 N 20 N 21 N 22 HW-00009267 13EB-1CN0101 EB1C VX2739 HING 23 C-00010334 13EB-1CB0801 EB1C FORCHINA/FRONT COVER ASS 24 N 25 N 26 N 27 N 28 N 29 N 30 N 31 N 32 N 33 N 34 N 35 DC-00010424 1510-0FUW000 CARTON LABEL VX2439W 36 P-00010404 1516-00VN000 PET COVER VX2739WM 1.0/1 37 N 38 N 39 N 40 N 41 N 42 CB-00009409 1401-00DB000 VGA CABLE HDB 43 CB-00009410 1401-00DE000 DVI 44 CB-00009411 1401-00DC000 USB CABLE A/M TO B/M L:1.8 45 P-00010261 1524-02KH000 PAPER CUSHION VX2739 1.0/1 46 A-00008784 1411-00P1000 AC POWER CORD CCC/3C,L:1.8 47 DC-00010435 1510-0H2F000 UPC LABEL VX2739W-2 R1. 48 DC-00010423 1522-01T8000 WARRANTY CARD CHI VX243 49 N 50 DC-00010433 1506-0D18000 QSG CHI VX2739W-2 R2. 51 N 52 N 53 DC-00010436 1510-0H7N000 WARRANTY LABEL CHI VX2739 R1.

54 55 N 56 DC-00010434 1509-02NS000 CD ML VX2739W57 P-00010260 1524-02FT000 CABLE CUSHION VX2439W 58 N 59 DC-00010437 1510-0H2G000 POP STICKER VX2739W-2 R1.0 1.0/1 60 N 61 N 62 N 63 N 64 N 65 N 66 P-00010401 1505-01K0000 EPE CUSHION VX2739WM 67 N 68 P-00010402 1505-01K1000 EPE CUSHION VX2739WM 69 P-00010403 1505-01JY000 EPE CUSHION VX2739WM 70 N 71 N

P-00010396 1503-02EK000 CARTON VX2739W-2 101.0/100

13EB-0DU0A01 TAPE 8.0/1

13EB-0LU0301 EB0L GASKET W10*H2*L4 13EB-09U0E01 EB09 EU AL TPAE 30x60M 13EB-09U0101 EB09 TAPE30*30MM/HANNSATR 25 5.0/1 13EB-13N0401 EB13 32 GROUNDING SPRING 28M 13N0-00U0I01 A2K-7J GASKET TAPE FOR VGA BR 13EB-1CB0701 EB1C/FOR CHINA/SHIELDING ASS

13EB-1CU0201 EB1C VX2739GASKT L175*W12*H1. 131E-0008000 STAND OFF #4-40*5 4.0/1 13EB-1CQ0D01 EB1C VX2739 SPACER T=0.8 4.0/1 1505-016Q000 EPS CUSHION VX2739WM (TL U-1505-01JW000 EPE CUSHION VX2739WM_STAND T 1505-016P000 EPS CUSHION VX2739WM (TR U-1505-01JX000 EPE CUSHION VX2739WM (TR 1505-016S000 EPS CUSHION VX2739WM (BL U-1505-01JU000 EPE CUSHION VX2739WM (BL 1510-0E9N000 SERIAL LABEL VIEWSONI 1510-0E9K000 HI-POT PASS LABEL VX2439W

1524-02DS000 PAPER CUSHION VG2739W 1505-016R000 EPS CUSHION VX2739WM (BR U-1505-01JV000 EPE CUSHION VX2739WM (BR 1517-000Q000 ZIP BAG FOR VIEWSONI 1534-005C000 CORNER PAD FOR P5M2-M-C XBN S 4.0/32

TO DVI(M) 18+1P L:1.8

1510-0HC3000 40 MONTH LABEL CHI VIEWSONI

1510-0H7U000 NON-ZBD LABEL VIEW SONI 1510-0H2E000 RATING LABEL VX2739W-2 R1.

1510-0EP4000 QC PASS LABEL VX2439W

1516-012N000 3D PE BAG VX2739W-2 1.0/1

1510-05LR000 IRD BEZEL LABE 1524-00MP000 CORNER PAD FOR DELL SMIT 1524-00K0000 LAYER PAD EQ2288 1537-008N000 PLYWOOD PALLET VX2439W 1516-0147000 EPE BAG VX2739W 1516-0148000 PE BAG VX2739WM STAN

1516-001T000 PE BAG FOR M-

1517-0002000 ZIP BAG # 1510-05KJ000 MAC LABEL FOR NETGEA

W-NI #

W-N

B-ZN #

W-N

B-ZN #

TO HDB(M) 15

1.0/1

10.0/1

1.0/1

4.0/1

1.0/1

4.0/1

1.0/1

2.0/1

1.0/1

2.0/1

1.0/1

4.0/1

1.0/1

13.0/10

1.0/1

3.0/18

1.0/1

9.0/6

8.0/32

3.0/32

1.0/32

1.0/1

ViewSonic Corporation

Confidential - Do Not Copy

VX2739W-2

* 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?

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1. Precautions and Safety Notices

2. Product Specification

3. Front Panel Function Control Description

4. Circuit Description

5. Adjustment Procedure

6. Troubleshooting Flow Chart

7. Block Diagrams

8. Schematic Diagrams

9.PCB Layout Diagrams

10. Exploded Diagram And Spare Parts List

11. Recommended Spare Parts List

B. Are you satisfied with this Service Manual?

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1. Service Manual Content

2. Service Manual Layout

3. The form and listing

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ViewSonic Corporation

Confidential - Do Not Copy

VX2739W-2

ViewSonic VX2739W-2, VS12843-1W Schematic

Specifications and Main Features

Frequently Asked Questions

User Manual

1. Precautions and Safety Notices

2. Product Specification

3. Front Panel Function Control Description

4. Circuit Description

5. Adjusting Procedure

6. Troubleshooting Flow Chart

7. Block Diagrams

8. Schematic Diagrams

9. PCB Layout Diagrams

10. Exploded Diagram And Spare Parts List

11. Recommended Spare Parts List