Lenovo_l171.pdf
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17" LCD Color Monitor
Dell S1709Wc
Service
Service
Service
Horizontal Frequency
30 kHz to 83 kHz
TABLE OF CONTENTS
Description
Page Description Page
Table Of Contents.......……...............……...........…........1
Revision List.….........................……................……......2
ECN History.….........................……................……......3
Important Safety Notice.….……….…................……......4
1.Monitor Specifications.....….......................………........5
2.LCD Monitor Description………………………….......6
3.Operation Instructions……………...............…...........7
3.1.General Instructions………………………………….7
3.2.Control Buttons……………...............……...............7
3.3.On Screen Menu/Display (OSD)….......….…….........8
3.4 Adjusting the Picture...........…………….........……..9
4.Input/Output Specification.............…………….......…16
4.1.Input Signal Connector............………….................16
4.2.Factory Preset Display Modes...…..…....................17
4.3.Power Supply Requirements..........…….................17
4.4.Panel Specification…….....……………..................18
4.5.Definition of Pixel.....………………...............…….19
5.Block Diagram…….…...................………..…..............21
5.1.Software Flow Chart………..…………………...….......21
5.2.Electrical Block Diagram………………….….......23
7. Mechanical Instruction…………………………………25
7.Schematic Diagram………............................….....29
7.1Main Board......……….........................................29
7.2 Power Board……..…….……...............................34
7.3 Key Board……..…….……..................................36
8.PCB Layout..……...………….................................38
8.1.Main Board……………..…..................................38
8.2.Power Board…………….....................................40
8.3.Key Board…………………..................................41
9.Maintainability…………...........................................42
9.1.Equipments and Tools Requirement..…….….....42
9.2.Trouble Shooting………………….........................43
10.White-Balance, Luminance adjustment..………….49
11.ISP Instruction…………….…...............................51
12.Monitor Exploded View……………………............55
13.BOM List…………................................................56
14.Different Parts List……..……..……….…….………..65
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
1
17" LCD Color Monitor
Dell S1709Wc
Revision List
Revision
Release Date
Revise history
TPV model
T78GMGNKWMDRNN
T78HMGNKWMDRNN
T78GMGNMWMDLNN
T78HMGNMWMDLNN
T78GMGNBWMDRNN
T78HMGNBWMDRNN
T78GMGNBWMDRNC
T78HMGNBWMDRNC
T78GMGNMWMDRNC
A00
May.-08-2008
Initial Release
T78HMGNMWMDRNC
T78HMGNMWMDLNC
T78GMGNKWMDRNC
Add PV Model name in item
14
A01
Jul.-05-2008
T78HMGNKWMDRNC
T78GMGNMWMDLNC
Change Y value to Ymin (min
luminance value
)
in item 10
A02
Dec.-24-2008
ALL
2
17" LCD Color Monitor
Dell S1709Wc
ECN History
ECN No.
Change Description
Service Deposition
Cut-in date
MSR
3
17" LCD Color Monitor
Dell S1709Wc
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.
-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.)
4
17" LCD Color Monitor
Dell S1709Wc
1. Monitor Specifications
Screen type
Active matrix - TFT LCD
Size
433mm(17.0")
Pixel pitch
0.255mm(H) x 0.255mm(V)
LCD Panel
Response time
8ms(type)
Preset display area:
367.2mm
(
H
)
x 229.5mm(V)
Contrast ratio
800 to 1 (typical)
Video
R, G, B Analog Interface
Separate Sync
H/V TTL
Input
H-Frequency
30kHz – 83kHz
V-Frequency
56 - 75Hz
Display Colors
16.7M Colors
Max. Resolution
1440 x 900 at 60 Hz
VESA DDC
Plug & Play
ON Mode
<34W
EPA ENERGY STAR
®
Power Saving
<=2W
OFF Mode
<=1W
Input Connector
D-Sub 15pin
Analog:0. 7Vp-p(standard)
75 OHM, Positive
Input Video Signal
Horizontal : 343.10 mm
Width :415.0 mm
Vertical: 181.03 mm
Dimensions: (with stand)
Power Source
100 V ~ 240 V± 10 %VAC, 50
±
3Hz, 60
±
3Hz
Operating Temp: 5° to 35°C
Operating Humidity: 10% to 80%
Storage Temp.: -20° to 60°C
Environmental
Considerations
Weight with packaging: 11.04 lbs (5.02 kg)
Weight
Weight of stand assembly: 8.62 lbs (3.92 kg)
5
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