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17" LCD Color Monitor Dell SE178WFPC
Service
Service
Service
Horizontal Frequency
30 kHz to 83 kHz
Table of Contents
Description Page Description Page
Table Of Contents..........................................................1 5.2.Electrical Block Diagram...................................22
Revision List..................................................................2 6. Mechanical Instructions.............................................24
ECN History..................................................................3 7. Schematic Diagram................................................29
Important Safety Notice................................................4 7.1 Main Board............................................................29
1.Monitor Specifications.................................................5 7.2 Power Board...................................................33
2.LCD Monitor Description........................................6 8. PCB Layout...............................................................35
3.Operation Instructions...............................................7 8.1. Main Board..........................................................35
3.1.General Instructions...........................................7 8.2. Power Board........................................................38
3.2.Control Buttons...................................................8 8.3. Key Board..........................................................41
3.3 Adjusting the Picture............................................10 9. Maintainability.....................................................42
4. Input/Output Specification.......................................16 9.1.Equipments and Tools Requirement......................42
4.1.Input Signal Connector.........................................16 9.2.Trouble Shooting.................................................43
4.2.Factory Preset Display Modes.................................17 10.White-Balance, Luminance adjustment...............49
4.3.Power Supply Requirements...................................17 11.ISP Instruction.......................................................50
4.4.Panel Specification............................................18 12. Monitor Exploded View.....................................54
4.5.Definition of Pixel Defects.....................................19 13. Recommended Parts&BOM List...........................55
5.Block Diagram.........................................................20 14. Different Parts List...........................................66
5.1.Software Flow Chart...........................................20
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
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17" LCD Color Monitor Dell SE178WFPC
Revision List
Revision Release Date Revise history TPV model
T77GMRHFYWDRNN
T77GMRHJYWDRNN
T77GMRHKYWDRNN
A00 Jul.-18-2007 Initial Release
T77GMRHLYWDRNN
T77GMRHMYWDLNN
T77GMRHMYWDRNN
T77GMRHJYWDRNC
T77GMRHFYWDRNC
T77GMRHMYWDLNC
T77GMRHBYWDRNN
A01 Sep.-06-2007 Add new models in Item 14
T77GMRHBYWDRNC
T77GMRHKYWDRNC
T77HMRHKYWDRNN
T77HMRHKYWDRNC
T77HMRHFYWDRNC
T77HMRHMYWDLNC
A02 Sep.-16-2007 Add new models in Item 14 T77HMRHLYWDRNC
T77HMRHJYWDRNC
T77HMRHMYWDRNC
A03 Oct.-28-2007 Add new models in Item 14 T77HMRHBYWDRNC
A04 Dec.-05-2007 Add "ECN History"
T77GMRHFYWDMNC
T77GMRHMPWDMNC
Add new models in Item 14
A05 Mar.-05-2008 T77GMRHMYWDMNC
T77GMRHMYWDNNC
A06 Jul.-05-2008 Add new models in Item 14 T77GMRHMYWDNNC
Change Y value to Ymin (min
A07 Dec.-24-2008 ALL
luminance valuein item 10
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17" LCD Color Monitor Dell SE178WFPC
ECN History
ECN No. Change Description Service Deposition Cut-in date MSR
3
17" LCD Color Monitor Dell SE178WFPC
Important Safety Notice
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.
-If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth
may damage the panel.)
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17" LCD Color Monitor Dell SE178WFPC
1. Monitor Specifications
Screen type Active matrix - TFT LCD
Panel Type LM171WX3-TLB1 KR ZBD LPL
Size 17 inches (17-inch diagonal viewable image size)
LCD Panel
Pixel pitch 0.255 mm x 0.255 mm
Viewable angle Viewing angle 160