AOC 717Fwy Service Manual

17" LCD Color Monitor AOC 717Fwy

Table Of Contents…………………………………………...1

Revision List………………………………………………....2

Important Safety Notice…………………………………....3

1. Monitor Specification..............................…………........4

2. LCD Monitor Description…………………………….......6

3. Operation Instructions....................................…...........7

3.1. General Instructions...........................…....................7

3.2. Control Button…………………………….…...............7

3.3 Adjusting the Picture...........................…..............8

4. Input/Output Specification............……………............12

4.1. Input Signal Connector............………….................12

4.2. Factory Preset Display Modes......…..................12

4.3. Panel Specification.....………………..................13

5. Block Diagram….........................................................16

5.1 Software Flow Chart………………………….……….16

5.2.Electrical Block Diagram…………………….......18

6. Schematic……………..............................................19

6.1 Main Board....……….............................................19

6.2 Power Board………………………………………....24

7. PCB Layout..………….............................................27

7.1. Main Board………................................................27

7.2. Power Board….....................................................29

7.3. Key Board….........................................................30

8. Maintainability………...............................................31

8.1.Equipments and Tools Requirement......................31

8.2.Trouble Shooting………........................................32

9. White-Balance, Luminance adjustment………..…...38

10. Monitor Exploded View…………………….…........40

11. BOM List…............................................................41

12. Different Parts List…..........................................52

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Service

Horizontal Frequency

55.5-70.6 kHz

TABLE OF CONTENTS

Description Page Description Page

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.

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17" LCD Color Monitor AOC 717Fwy

Version

Date

Revision History

TPV Model Name

A00

Apr.-08-2008

Initial release

T77HRDNQBWA15N

T77HRDNQBWA16N

T77HRDNQBWA25N

T77HRDNQBWA26N

Revision List

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17" LCD Color Monitor AOC 717Fwy

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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.)

17" LCD Color Monitor AOC 717Fwy

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LCD Panel

Model number

717Fwy

Driving system

TFT Color LCD

Viewable Image Size

432mm diagonal

Pixel pitch

0.255mm(H) x 0.255mm(V)

Video

R, G, B Analog interface

Separate Sync.

H/V TTL

Display Color

16.2M Colors

Dot Clock

53.25 MHz

Resolution

Horizontal scan range

55.5 kHz - 70.6 kHz

Horizontal scan Size(Maximum)

367.2mm

Vertical scan range

56 Hz - 75 Hz

Vertical scan Size(Maximum)

229.5mm

Optimal preset resolution

1440 x 900 (60 Hz)

Highest preset resolution

1440 x 900 (75 Hz)

Plug & Play

VESA DDC2B/CI

Input Connector

D-Sub 15pin

Input Video Signal

Analog: 0.7Vp-p(standard), 75 OHM, Positive

Power Source

100~240VAC, 50/60Hz

Power Consumption Active < 37 W

Standby < 1 W

Speakers

2 x 1W

Physical

Characteristics

Connector Type

15-pin Mini D-Sub

Signal Cable Type

Detachable

Dimensions & Weight:

Height (with base)

337.5 mm

Width

400.3 mm

Depth

209.9 mm

Weight (monitor only)

3.2 kg

Weight (with packaging)

4.2kg

Environmental

Temperature:

Operating

0° to 50°

Non-Operating

-20°to 60°

Humidity:

1. Monitor Specification

17" LCD Color Monitor AOC 717Fwy

Operating

10% to 85% (non-condensing)

Non-Operating

5% to 80% (non-condensing)

Altitude:

Operating

0~ 3000m (0~ 10000 ft )

Non-Operating

0~ 5000m (0~ 15000 ft )

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17" LCD Color Monitor AOC 717Fwy

Video signal, DDC

Power Board

(Include adapter and inverter)

Flat Panel and CCFL backlight

Main Board

RS232 Connector For white balance adjustment in factory mode

HOST Computer

CCFT Drive.

AC-IN

100V~240V

Monitor Block Diagram

Key board

2. LCD Monitor Description

The LCD Monitor will contain main board, power board, 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.

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17" LCD Color Monitor AOC 717Fwy

3. Operation Instructions

3.1 General Instructions

Press the power button to turn the monitor on or off. The control buttons are located at front panel 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.

-

3.2 Control Buttons

1 Eco mode / Up 2 Auto / Down 3 Volume / Left 4 DCR / Right 5 Menu / Power

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17" LCD Color Monitor AOC 717Fwy

3.3 Adjusting the Picture

OSD Settings

 Press the Menu (Power) button to activate the OSD window. Press left, right, up, down button to navigate

through the functions. Once the desired function is highlighted, press the Menu (Power) button to activate sub-menu.

 In sub-menu, Press up, down button to navigate through the functions. Once the desired function is

highlighted, press , button to button to change the setting. Press Menu (Power) button to return to superior menu.

 If you want to adjust any other function, repeat steps 1-2.  To exit OSD windows, select “exit” icon on main OSD, then press the Menu (Power) button.  OSD Lock Function: To lock the OSD, press and hold the Left button while the monitor is off and then press

power button to turn the monitor on. To un-lock the OSD - press and hold the Left button while the monitor is off and then press power button to turn the monitor on.

 Eco Mode hot key ( ): Press the Eco key continuously to select the Eco mode of brightness when there is

no OSD (Eco mode hot key may not be available in all models).

 Volume adjustment hot key: When there is no OSD, press Volume ( ) to active volume adjustment bar,

press or to adjust volume (Only for the models with speakers).

 DCR hot key ( ): Press DCR key continuously to active or disable DCR function when there is no OSD.  Auto configure hot key: When the OSD is closed, press Auto/Source button continuously about 3 second to

do auto configure.

 Press the Power button continuously about 2 second to turn off the monitor.

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17" LCD Color Monitor AOC 717Fwy

Luminance

Adjust Range

Description

Brightness

0-100

Backlight Adjustment

Contrast

0-100

Contrast from Digital-register.

Eco mode

Standard

Standard Mode

Text

Text Mode

Internet

Internet Mode

Game

Game Mode

Movie

Movie Mode

Sports

Sports Mode

Gamma

Gamma1

Adjust to Gamma1

Gamma2

Adjust to Gamma 2

Gamma3

Adjust to Gamma 3

DCR

Off

Disable dynamic contrast ratio

On

Enable dynamic contrast ratio Image Setup

Clock

0-100

Adjust picture Clock to reduce Vertical-Line noise.

Phase

0-100

Adjust Picture Phase to reduce Horizontal-Line noise

H. Position

0-100

Adjust the horizontal position of the

OSD functions

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17" LCD Color Monitor AOC 717Fwy

picture.

V. Position

0-100

Adjust the vertical position of the picture.

Color Temp.

Warm 6500K

Recall Warm Color Temperature from EEPROM.

Normal 7300K

Recall Normal Color Temperature from EEPROM.

Cool 9300K

Recall Cool Color Temperature from EEPROM.

sRGB

Recall SRGB Color Temperature from EEPROM.

User Red

Red Gain from Digital-register

Green

Green Gain Digital-register.

Blue

Blue Gain from Digital-register

Color Boost

Full Enhance

on or off

Disable or Enable Full Enhance Mode

Nature Skin

on or off

Disable or Enable Nature Skin Mode

Green Field

on or off

Disable or Enable Green Field Mode

Sky-blue

on or off

Disable or Enable Sky-blue Mode

AutoDetect

on or off

Disable or Enable AutoDetect Mode

Demo

on or off

Disable or Enable Demo

Picture Boost

Frame Size

14-100

Adjust Frame Size

Brightness

0-100

Adjust Frame Brightness

Contrast

0-100

Adjust Frame Contrast

Hue

0-100

Adjust Frame Hue

Saturation

0-100

Adjust Frame Saturation

Position H. position

Adjust Frame horizontal Position

V. position

Adjust Frame vertical Position

Bright Frame

on or off

Disable or Enable Bright Frame

OSD Setup

H. Position

0-100

Adjust the horizontal position of OSD

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17" LCD Color Monitor AOC 717Fwy

V. Position

0-100

Adjust the vertical position of OSD

Timeout

5-120

Adjust the OSD Timeout

Transparence

0-100

Adjust the transparence of OSD

Language

Select the OSD language

Extra

Input Select

Auto

Select to Auto Detect input signal

Auto Config

yes or no

Auto adjust the picture to default

Image Ratio

wide or 4:3

Select wide or 4:3 format for display

DDC-CI

yes or no

Turn ON/OFF DDC-CI Support

Information

Show the information of the main image and sub-image source

Reset

yes or no

Reset the menu to default Exit

Exit

Exit the main OSD

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17" LCD Color Monitor AOC 717Fwy

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Stand

Resolution

Horizontal

Frequency(KHz)

Vertical

Frequency(Hz)

Dos-mode

720×400

31.47

70

VGA

640×480

31.47

60

VGA

640×480

37.5

75

SVGA

800×600

37.879

60

SVGA

800×600

46.875

75

XGA

1024×768

48.363

60

XGA

1024×768

56.476

70

XGA

1024×768

60.023

75

WSXGA

1440×900

55.9

60

WSXGA

1440×900

70.6

75

4. Input/Output Specification

4.1 Input Signal Connector

D-Sub mini 15pin Connector

4.2 Factory Preset Display Modes

17" LCD Color Monitor AOC 717Fwy

4.3. Panel Specification

4.3.1 General Feature

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.

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17" LCD Color Monitor AOC 717Fwy

4.3.2 Optical Characteristics

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17" LCD Color Monitor AOC 717Fwy

4.3.3 Electrical Characteristics

TFT Module

Back-light

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17" LCD Color Monitor AOC 717Fwy

1

2

N

Y

5

Y

N 10

Y

N 12

Y

N

7

Y

N

6

4

3

8

9

14

11

13

Y

N 15

Y

N 16

17

19

Y N

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5. Block Diagram

5.1 Software Flow Chart

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