ViewSonic VP171 Manuale utente
Model No.VLCDS25972-1W
17” Color TFT LCD Display
Service Manual
ViewSonic VP171/s/b-1
ViewSonic381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
(VP171/s/b-1_SM_680-Rev. 1a – 05 2003 )
VLCDS25972-2W
VLCDS25972-3W
Copyright
Copyright
¤
2003by 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.
Revision History
Revision Date Description Of Changes Approval
1a 28/06/03 Initial Release DCN- 3382 F.Fan
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ViewSonic Corporation iConfidential – Do Not Copy VP171/s/b-1
Trademarks
ViewSonic is a registered trademark of ViewSonic Corporation.
All other trademarks used within this document are the property of their respective owners.
Optiquest is a registered trademark of ViewSonic Corporation.
This manual is prepared for the maintenance service for the VP171/s/b series LCD
Panel Monitor. Maintenance procedures described in this manual are intended to isolate
faulty parts and replace them in the field. It also aims to serve as a uide in procurin
replacement parts for this product.
This manual is copyri hted and all ri hts are reserved. This product may not,
in whole or in part be copied, photocopied, translated or reduced to any electronic or
machine readable form without prior written consent except for copyies retained by
the purchaser for backup purpose.
This manual includes system overview, major system assembly, components
description, and the Troubleshootin makes explanations on how to detect errors.
It also includes a flow chart for checkin or correctin faults.
No Warranty or representation, either expressed or implied, is made with
respect to this documentation, its quality, performance, merchantability or
fitness for particular purpose.
No event will the vendor be liable for direct, indirect, special, incidental or
consequential damages arising out of the user or inability to use this product
or documentation.
Notice:
The information found in this manual is subject to change without prior notice. Any
subsequent changes made to the data herein will be incorporated in future edition.
Preface
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ViewSonic Corporation ii Confidential – Do Not Copy VP171/s/b-1
TABLE OF CONTENTS
1-1 The Appropriate Operation....................................................1
1-2 Product Highlight................................................................. 2
1- Technical Specification.........................................................3
1-4 Compatible Modes............................................................... 5
2-1 Package Overview................................................................6
2-2 Exploded Overview............................................................... 8
2- Mechanical Spare Parts List..................................................12
-1 Disassembly of Stand unit from Monitor..................................16
-2 Disassembly of Rear Cover.................................................. 19
- Disassembly of Inverter Board, Main Board and Power Board......
......................................................................................... 20
-4 Disassembly of Front Cover Module, LCD Panel,
Switch and Inlet Wires......................................................... 23
4-1 Equipment Needed............................................................... 25
4-2 Main Procedure.................................................................. 25
5-1 Product............................................................................. 29
5-2 Test Equipment.................................................................. 29
5- Hot Key............................................................................. 29
5-4 Test Condition.................................................................... 32
5-5 Test Display Modes & Pattern............................................... 33
5-6 Function Test and Alignment Procedure................................ 36
1 Introduction
2 Mechanical Construction
3 Procedure of Disassembly
4 Troubleshooting Procedure
5Function Test & Alignment Procedure
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ViewSonic Corporation iii Confidential – Do Not Copy VP171/s/b-1
6-1 Equipment Needed......................................................... 38
6-2 Setup Procedure............................................................ 39
6- Firmware Upgrade Procedure.......................................... 43
7-1 Equipment Needed.............................................................. 47
7-2 Setup Procedure................................................................. 48
7- DDC Key In Procedure........................................................ 49
8-1 Packing Procedure............................................................ 52
9-1 The Serial Number System Definition.................................. 55
9-2 Function of Boards........................................................... 57
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ViewSonic Corporation IVConfidential – Do Not Copy VP171/s/b-1
6Firmware Upgrade Procedure
7DDC Key In Procedure
8Packing For Shipping
9Appendix
10PCB Layout
11Schematic Diagrams
12 Recommended Spare Parts List
13 Electrical Spare Parts List
...................................................................... 64
..................................................... 68
............................... 77
......................................... 82
This manual provides the integral information you need to maintain the LCD Monitor, and
the manual is applied to the mode of 1280*1024 resolution and 1 SXGA TFT LCD Monitor.
There are ten topics in this manual, and you can immediately identify problems through the manual.
This manual is for the technicans and people with an electronicsbackground.
Send the product back to the distributor for repairing and do not attempt to do anything which
is complex or isnt mentioned in the Troubleshooting.
1-1 The Appropriate Operation
- Turn off the product before cleaning.
- Use only a dry soft cloth when cleaning the LCD panel surface.
- Use a soft cloth moistured with mild detergent to clean the display housing.
- Disconnect the power plug from AC outlet if the product is not used for
a long period of time.
-Do not touch the CRT panel surface with sharp or hard objects.
- Do not use abrasive cleaners waxes or solvents for your cleaning.
- Do not operate the product under the following conditions :
1.) Extremely hot cold or humid environment.
2.) Areas susceptible to excessive dust and dirt.
3.) Near any appliance generating a strong magnetic field.
4.) Place in direct sunlight.
ViewSonic Corporation 1Confidential – Do Not Copy VP171/b/s
1. Introduction
1-2 Product Highlight
- Dual Analog and Digital Signal Input
- Active matrix TFT LCD Technology
- 1280*1024 addressable pixels
- 260 cd/m2 brightness (Typ.)
- 30-82kHz Horizontal Frequency
- 50-85Hz Vertical Refresh Rate
- Wide Viewing Angle Technology
- Auto-Adjustment
- Multifunction OSD User Controls
- VESA DPMS Power Saving
- High quality full screen re-scaling capability
ViewSonic Corporation 2Confidential – Do Not Copy VP171/b/s
1-3 Technical Specification
LCD Technology -AU Panel
-PVA Active Matrix
-17 diagonal screen size
-1280*1024 addressable pixels
-0.264mm*0.264mm pixel pitch
-260cd/m2 (Typ.) Brightness
-500:1 (Typ.) Contrast ratio
-L/R=70o/70o U/D=70o/70o Viewing Angle
CR>=10(Typ.)
-tr=12ms (Typ.)/tf=4ms(Typ.) response time
-4 CCFL backlight lamps
-Backlight Life : 40K Hrs(Typ.) 30K Hrs(Min.)
Display Resolution -1280 pixels(H)*1024 lines(V)
Active Display Area -337.9mm(H)*270.3mm(V)
Displayable Color -16.2M Colors
Horizontal Scan -30 to 82kHz
Vertical Refresh -50 to 85 Hz
Max. Pixel Clock -135MHz
Auto-Adjustment -Yes
Re-Scaling -Yes
I/O Connectors -AC power in
-VGA in D-Sub 15 pin *2
-DVI-D Connector *1
ViewSonic Corporation 3Confidential – Do Not Copy VP171/b/s
Power Saving -VESA DPMS Standard
Power Consumption -33Watt (typ.)
Ergonomics Tilt Up 25 degrees minimum
Tilt Down 5 degrees
Swivel Right 45 degrees
Swivel Left 45 degrees
Height Adjust 0~110 cm
Pivot 0~90 degrees (Clockwise)
Environmental -Operating Temperature: 0o ~ 40oC/32o ~ 104oF
-Operating Related Humidity: 20% ~ 90% RH Non-condensing
-Storage Temperature: -20o ~ 60oC/ -4o ~ 140oF
-Storage Related Humidity: 5% ~ 90% RH Non-condensing
Mounting Interface -VESA Flat Panel Monitor Physical Mounting Interface
Power Supply -Internal Power Supply
-Power Dissipation : 33 Watts (typ.)
Dimension (W*H*D) -392.0mm*350.0mm*238.0mm
Weig t -6.5 kgs/14.3 lbs
Agency Approval -FCC-B CE-B VCCI-II BSMI UL CUL TUV TCO99
-PCBC CCC GOST PSB NOM
ViewSonic Corporation 4Confidential – Do Not Copy VP171/b/s
1-4 Compatible Mode
640 x 350 @ 70Hz 31.5kHz
640 x 480 @ 60Hz 31.5kHz
640 x 480 @ 67Hz 35.0kHz
640 x 480 @ 75Hz 37.5kHz
640 x 480 @ 72Hz 37.9kHz
640 x 480 @ 85Hz 43.27kHz
720 x 400 @ 70Hz 31.5kHz
800 x 600 @ 56Hz 35.1kHz
800 x 600 @ 60Hz 37.9kHz
800 x 600 @ 75Hz 46.9kHz
800 x 600 @ 72Hz 48.1kHz
800 x 600 @ 85Hz 53.7kHz
832 x 624 @ 75Hz 49.7kHz
1024 x 768 @ 60Hz 48.4kHz
1024 x 768 @ 70Hz 56.5kHz
1024 x 768 @ 72Hz 58.1kHz
1024 x 768 @ 75Hz 60.0kHz
1024 x 768 @ 85Hz 68.67kHz
1152 x 870 @ 75Hz 68.6kHz
1280 x 1024 @ 60Hz 63.4kHz
1280 x 1024 @ 75Hz 79.97kHz
1280 x 720 @ 60Hz 45kHz
Analog :
640 x 350 @ 70Hz 31.5kHz
640 x 400 @ 70Hz 31.5kHz
640 x 480 @ 60Hz 31.5kHz
640 x 480 @ 75Hz 37.5kHz
640 x 480 @ 72Hz 37.9kHz
640 x 480 @ 85Hz 43.27kHz
720 x 400 @ 70Hz 31.5kHz
800 x 600 @ 56Hz 35.1kHz
800 x 600 @ 60Hz 37.9kHz
800 x 600 @ 75Hz 46.9kHz
800 x 600 @ 72Hz 48.1kHz
800 x 600 @ 85Hz 53.7kHz
1024 x 768 @ 60Hz 48.4kHz
1024 x 768 @ 70Hz 56.5kHz
1024 x 768 @ 72Hz 58.1kHz
1024 x 768 @ 75Hz 60.0kHz
1024 x 768 @ 85Hz 68.67kHz
1152 x 870 @ 75Hz 68.6kHz
1280 x 1024 @ 60Hz 63.4kHz
1280 x 1024 @ 75Hz 79.97khz
1280 x 720 @ 60Hz 45kHz
Digital :
ViewSonic Corporation 5Confidential – Do Not Copy VP171/b/s
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