Lenovo_l171.pdf

17" LCD Color Monitor Dell S1709Wc

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

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

A01

Jul.-05-2008

T78HMGNKWMDRNC

T78GMGNMWMDLNC

Change Y value to Ymin (min

luminance value ） in item 10

A02

Dec.-24-2008

ALL

17" LCD Color Monitor Dell S1709Wc

ECN History

ECN No.

Change Description

Service Deposition

Cut-in date

MSR

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.)

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)

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