AOC 1619SWa Service Manual

15.6" LCD Color Monitor AOC 1619Swa

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...........................…....................6

3.2. Control Button…………………………….…...............6

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

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

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

4.2. Factory Preset Display Modes......…..................13

4.3. Panel Specification.....………………..................14

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

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

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

6. Schematic……………..............................................20

6.1 Main Board....……….............................................20

6.2 Power Board………………………………………....25

6.3 Key Board…………………...….……………………27

7. PCB Layout..………….............................................28

7.1. Main Board………................................................28

7.2. Power Board….....................................................30

7.3. Key Board….........................................................31

8. Maintainability………...............................................32

8.1.Equipments and Tools Requirement......................32

8.2.Trouble Shooting………........................................33

9. White-Balance, Luminance adjustment………..…...39

10. Monitor Exploded View…………………….…........41

11. BOM List…............................................................42

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

Service

Horizontal Frequency 30-60 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.

1

15.6" LCD Color Monitor AOC 1619Swa

Version

Date

Revision History

TPV Model Name

A00

Apr.-10-2008

Initial release

T68MM5NQWKA26N

Revision List

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15.6" LCD Color Monitor AOC 1619Swa

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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15.6" LCD Color Monitor AOC 1619Swa

4

LCD Panel

Model number

1619Swa

Driving system

TFT Color LCD

Viewable Image Size

395mm diagonal

Pixel pitch

0.252mm(H) x 0.252mm(V)

Video

R, G, B Analog interface

Separate Sync.

H/V TTL

Display Color

16.7M Colors

Dot Clock

85.5 MHz

Resolution

Horizontal scan range

30 kHz - 60 kHz

Horizontal scan Size(Maximum)

344.232mm

Vertical scan range

55 Hz - 75 Hz

Vertical scan Size(Maximum)

193.536mm

Optimal preset resolution

1360 x 768 (60 Hz)

Highest preset resolution

1366 x 768 (60 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 < 28 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)

304 mm

Width

376 mm

Depth

190 mm

Weight (monitor only)

2.7 kg

Weight (with packaging)

3.7kg

Environmental

Temperature:

Operating

0° to 40°

Non-Operating

-20°to 60°

Humidity:

1. Monitor Specification

15.6" LCD Color Monitor AOC 1619Swa

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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15.6" LCD Color Monitor AOC 1619Swa

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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15.6" LCD Color Monitor AOC 1619Swa

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 Auto / Exit 2 Eco mode / - 3 Volume / + 4 Menu 5 Power

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15.6" LCD Color Monitor AOC 1619Swa

3.3 Adjusting the Picture

OSD Settings

1) Press the MENU-button to activate the OSD window.

2) Press- or + to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate sub-menu. Once the desired function is highlighted, press MENU-button to activate it.

3) Press- or +to change the settings of the selected function. Press - or + to select another function in sub-menu . Press AUTO to exit. If you want to adjust any other function, repeat steps 2-3.

4) OSD Lock Function: To lock the OSD, press and hold the MENU 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 MENU button while the monitor is off and then press power button to turn the monitor on.

5) 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).

6) 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).

7) DCR hot key (►): Only to press DCR key continuously is able to active or disable DCR function when there is no OSD.

8) Auto configure hot key: When the OSD is closed, press Auto button will be auto configure hot key function .

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15.6" LCD Color Monitor AOC 1619Swa

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 picture.

V. Position

0-100

Adjust the vertical position of the picture.

Color Temp.

Warm 6500K

Recall Warm Color Temperature from EEPROM.

OSD functions

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15.6" LCD Color Monitor AOC 1619Swa

Normal 7300K

Recall Normal Color Temperature from EEPROM.

Cool 9300K

Recall Cool Color Temperature from EEPROM.

sRGB

Recall SRGB Color Temperature from EEPROM.

User User-R

Red Gain from Digital-register

User-G

Green Gain Digital-register.

User-B

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

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

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15.6" LCD Color Monitor AOC 1619Swa

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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15.6" LCD Color Monitor AOC 1619Swa

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4. Input/Output Specification

4.1 Input Signal Connector

D-Sub mini 15pin Connector

15.6" LCD Color Monitor AOC 1619Swa

STAND

RESOLUTION

HORIZONTAL

FREQUENCY(KHZ)

VERTICAL

FREQUENCY(Hz)

VGA

640×480 @60Hz

31.469

59.940

VGA

640×480 @67Hz

35.000

66.667

VGA

640×480 @72Hz

37.861

72.809

VGA

640×480 @75Hz

37.500

75.000

Dos-mode

720×400 @70Hz

31.469

70.087

SVGA

800×600 @56Hz

35.156

56.250

SVGA

800×600 @60Hz

37.879

60.317

SVGA

800×600 @72Hz

48.077

72.188

SVGA

832×624 @75Hz

46.875

75.000

Mac-mode

832×624 @75Hz

49.725

74.500

XGA

1024×768 @60Hz

48.363

60.004

XGA

1024×768 @70Hz

56.476

70.069

XGA

1024×768 @72Hz

57.500

72.074

XGA

1024×768 @75Hz

60.023

75.029

XGA

1024×768 @75Hz

60.241

74.927

wXGA

1360×768 @60Hz

47.712

60.015

wXGA

1366×768 @60Hz

47.712

59.790

4.2 Factory Preset Display Modes

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15.6" LCD Color Monitor AOC 1619Swa

4.3. Panel Specification

4.3.1 General Feature

M156B1-L01 is a 15.6” TFT Liquid Crystal Display module with 2 CCFL Backlight unit and 30pin 1ch-LVDS interface. This module supports 1366 x 768 WXGA mode and can display up to 16.7M colors. The inverter module for Backlight is not built in.

4.3.2 Optical Characteristics

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15.6" LCD Color Monitor AOC 1619Swa

4.3.3 Electrical Characteristics

TFT Module

Back-light

Note (1) Permanent damage might occur if the module is operated at conditions exceeding the maximum values. Note (2) Specified values are for lamp (Refer to 3.2 for further information). Note (3) The frequency range can guarantee the optical and electrical characteristics. Note (4) The frequency range will not effect the Lifetime and reliability characteristics.

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15" LCD Color Monitor AOC 1619Swa

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

18

5. Block Diagram

5.1 Software Flow Chart

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