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HSG1033
Schematic
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Hannstar HG171A, HSG1033 Schematic

H a n n S t a r D i s p l a y C o r p .
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Document Title HG171A_XY _HSM Page No.
Document No.
Service Manual
Revision
1 / 65
08/09/09
Model Name:HG171A
Model No:HSG1033
17” Color TFT LCD Display
disclosed,distributed or re
roduced in whole or in part without written permission of HannStar Display Corporation.
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Document Title HG171A_XY _HSM Page No.
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Copyright Copyright © 2006 by HannStar 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 HannStar Corporation. Disclaimer HannStar 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, HannStar reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of HannStar to notify any person of such revision or changes. Trademarks Opt quest is a registered trademark of HannStar Corporation. HannStar is a registered trademark of HannStar 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 TPV Model
A00 Sep.-10-08 First Version Release T7RHM5D8AWHZNC
A01 Dec.-02-08 Add new BOM in item 16 T7RHM5DBAWZ3NN
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TABLE OF CONTENTS
1. Dimensions 4
2. Precautions and Safety Notice 6
3.Monitor Specification 7
4.LCD Monitor Description 8
5.Operation Instruction 9
6. Input/output Specification 14
7. Mechanical Instructions 18
8. Block Diagram 21
9.Schematic 27
10.PCB Layout 35
11. Maintainability 41
12 DDC Instruction 47
13. White-Balance, Luminance adjustment 53
14.Monitor Exploded View 55
15. BOM List 56
16.Different Parts List…………………….……………………………………………………….………...65
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1. Dimensions
1.1 Front View
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1.2 Back View
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1.3 Side View
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1.4 Bottom View
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2. Precautions and Safety Notices
Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service
procedures recommended by AOC and described in this service manual are effective methods of performing service
operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools
should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order
to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may
damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE.
AOC could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be
done or of the possible hazardous consequences of each way. Consequently, AOC has not undertaken any such broad
evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by AOC must first
satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service
method selected.
Hereafter throughout this manual, AOC Company will be referred to as AOC.
WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics may create shock, fire, or
other hazards.
Under no circumstances should the original design be modified or altered without written permission from AOC. AOC
assumes no liability, express or implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.
FOR PRODUCTS CONTAINING LASER:
DANGER-Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM.
CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
CAUTION -The use of optical instruments with this product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF THIS
SERVICE MANUAL.
Take care during handling the LCD module with backlight unit.
-Must mount the module using mounting holes arranged in four corners.
-Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.
-Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the
panel.
-Protect the module from the ESD as it may damage the electronic circuit (C-MOS).
-Make certain that treatment person’s body is grounded through wristband.
-Do not leave the module in high temperature and in areas of high humidity for a long time.
-Avoid contact with water as it may a short circuit within the module.
‐Ifthesurfaceofpanelbecomesdirty,pleasewipeitoffwithasoftmaterial.(Cleaningwithadirtyorroughclothmaydamage
thepanel.)
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3. Monitor Specifications
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4. LCD Monitor Description
Assembly Description
The LCD MONITOR will contain a main board, a power board, and a key board which house the flat panel control logic,
brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each
voltage.
CCFL Drive.
Power board
(Include: adapter, inverter)
Monitor Block Diagram
Flat Panel and
CCFL backlight
main board
RS232 Connector
For white balance
adjustment in factory
mode
AC-IN
100V-240V
Key board
HOST Computer
Video signal, DDC
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5. Operating Instructions
5.1 General Instructions
Press the power button to turn the monitor on or off. The control buttons are located in the front of the monitor.
By changing these settings, the picture can be adjusted to your personal preferences.
The power cord should be connected.
-
Connect the video cable from the monitor to the video card.
-
Press the power button to turn on the monitor, the power indicator will light up.
-
5.2 Control Buttons
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FRONT PANEL CONTROL
• Power Button:
Press this button to switch ON/OFF of monitor’s power.
• Power Indicator:
Green — Power On mode.
Orange — Power Saving mode.
• MENU / ENTER:
1. Turn the OSD menu on/off or return to the previous menu
2. Exit OSD menu when in volume OSD status.
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• Adjust < >:
1. Activates the volume control when the OSD is OFF.
2. Navigate through adjustment icons when OSD is ON or adjust a function when function is activated.
• A Button:
• The OSD menu is used as ¡§confirmation¡¨ function during start-up. 2. Press and hold this button more than 3 seconds
will start 「Auto Adjust」 function when using VGA input only. (The auto adjustment function is used to optimize the
「horizontal position」, 「vertical position」,「clock」,and 「phase」.)
NOTES:
• Do not install the monitor in a location near heat sources such as radiators or air dusts, or in a place subject to direct
sunlight, or excessive dust or mechanical vibration or shock.
• Save the original shipping box and packing materials, as they will come in handy if you ever have to ship your monitor.
• For maximum protection, repackage your monitor as it was originally packed at the factory.
• To keep the monitor looking new, periodically clean it with a soft cloth. Stubborn stains may be removed with a cloth
lightly dampened with a mild detergent solution. Never use strong solvents such as thinner, benzene, or abrasive
cleaners, since these will damage the cabinet. As a safety precaution, always unplug the monitor before cleaning it.
• Function Key Lock:
Press the 「<」, 「>」 and the 「Menu」 buttons simultaneously to enable the Function Key Lock. When the Function Key
Lock is enabled, only the Power button is active. Press the 「<, 「>」 and the 「Menu」buttons simultaneously again to
unlock the function keys.
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5.3 Adjusting the Picture
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roduced in whole or in part without written permission of HannStar Display Corporation.
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roduced in whole or in part without written permission of HannStar Display Corporation.
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6. Input/output Specification
6.1 Input Signal Connector
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6.2 Factory Preset Display Modes
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6.3 Panel Specification
HannStar Display model HSD170MGW1-B00 is a color active matrix thin film transistor(TFT) liquid crystal display (LCD)
that uses amorphous silicon TFT as a switching device. This model is composed of a TFT LCD panel, a driving circuit and
a back light system. This TFT LCD has a 17.0 inch diagonally measured active display area with
XGA resolution (900 vertical by 1440 horizontal pixel array) and can display up to 16.2M (6-bit+FRC)colors.
6.3.1 Features
_ 17.0 WXGA+ for Monitor application
_ High Resolution: 1440*900
_ 2-ch LVDS interface system
_ LCD Timing Controller
_ Wide Viewing Angle
_ RoHS compliance
6.3.2 Display Characteristics
6.3.3 Electrical Characteristics
1. TFT LCD Module
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2. Backlight Unit
6.3.4 Optical Characteristics
Measuring Condition
_ Measuring surrounding: dark room
_ Lamp current IBL: 7.5±0.1mA, lamp freq. FL=50 KHz, Inverter: TDK TBD315NR-1
_ VDD=5.0V, fV=60Hz
_ Ambient temperature: 25±2oC
_ 30min. Warm-up time.
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7. Mechanical Instructions
Step Figure Description
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Preparati
on
Remove
the base
Lay the LCD
on a flat, soft
and clean
surface.
Remove the
screws
remarked in
red
Remove the
Remove
rear cover
screws
remarked in
red
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Remove
the
speaker
remove
the shield
Remove the
screws
remarked in
red
Remove the
screws
remarked in
red and
disconnecte
d the
connecter
remarked in
red (HG171A：
NO DVI )
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Remove
the
boards
The end
Remove the
screws
remarked in
red
The panel
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roduced in whole or in part without written permission of HannStar Display Corporation.
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