Daewoo HL711S, HL711D Service Manual

LCD MONITOR

HL711S
HL711D

OSHL711001

MAY. 2006

HL711S/HL711D Service Manual

Contents

HL711S/HL711D .......................................................................................................................4

PRECAUTIONS.................................................................................................4

ITEMS.............................................................................................................6

HOW TO CONNECT THE SEVERAL CABLES TO THE LCD MONITOR ..........................7

HL711S Cable Connections..........................................................................7

HL711D Cable Connections .........................................................................7

ADJUSTING THE MONITOR ................................................................................8

HL711S/HL711D The Function Control Buttons .................................................8

How to use the function Key. ........................................................................8

HL711S/HL711D SPECIRICATIONS........................................................................9

HL711S/HL711D Specirications ....................................................................9

DISPLAY MODES ............................................................................................10

DPMS POWER SAVING MODE ...........................................................................10

OSD MENU ....................................................................................................11

Menu Tree ............................................................................................11

FACTORY SET ................................................................................................12

BURN-IN MODE..............................................................................................12

INVERTER & POWER.......................................................................................13

Inverter & POWER(HL711S/HL711D) ..........................................................13

Specification .........................................................................................13

Electrical Characteristics ...........................................................................13

Pin Connection.......................................................................................14

TROUBLESHOOTING.......................................................................................15

No operating at all...................................................................................15

Doesn’t display on LCD............................................................................16

EXPLODE VIEW..............................................................................................18

HL711S/HL711D....................................................................................18

PART LIST .....................................................................................................19

HL711S/HL711D Mechanical Part List ..........................................................19

HL711S AD B/D Part List..........................................................................20

HL711D AD B/D Part List .........................................................................24

HL711S/HL711D FUNCTION KEY B/D Part List.............................................27

HL711S/HL711D FUNCTION LED B/D Part List.............................................27

Inverter & POWER BD Part List(FLF1742-04A)...............................................28

CIRCUIT DIAGRAM.........................................................................................30

AD B/D(HL711S) ...................................................................................30

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HL711S/HL711D Service Manual

FUNCTION KEY B/D(HL711S)..................................................................34

FUNCTION LED B/D(HL711S)..................................................................35

AD B/D(HL711D)...................................................................................36

FUNCTION KEY B/D(HL711D) .................................................................41

FUNCTION LED B/D(HL711D) .................................................................42

Inverter & POWER B/D(FLF1742-04A).........................................................43

PCB Layout.....................................................................................................45

AD B/D TOP PATTERN (HL711S/HL711D)....................................................45

AD B/D TOP SILK(HL711S/HL711D) ..........................................................46

AD B/D BOTTOM SILK (HL711S/HL711D)...................................................47

AD B/D MASK TOP (HL711S/HL711D)........................................................48

AD B/D MASK BOTTOM (HL711S/HL711D).................................................49

FUNC KEY B/D TOP SILK (HL711S/HL711D) ...............................................50

FUNC KEY B/D BOTTOM PATTERN (HL711S/HL711D)..................................50

FUNC LED B/D TOP SILK (HL711S/HL711D)................................................50

FUNC LED B/D BOTTOM PATTERN (HL711S/HL711D) ..................................50

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HL711S/HL711D Service Manual

HL711S/HL711D

PRECAUTIONS

l Plug the power cord into a properly grounded outlet.

There is the risk of electric shock.
l If you hear a noise or smell smoke from the computer or adaptor, unplug the power cord

immediately, and call the service center.

There is the risk of electric shock or fire.
l Do not overload an electrical outlet with too many devices.

There is the risk of fire.
l Do not unplug from the outlet by pulling the power cord or when your hands are wet.

There is the risk of electric shock or fire.
l Do not bend the power cord excessively or place heavy objects on it. Keep children and pets

away from the power cord as they may damage the power cord. There is the risk of electric

shock or fire.
l Do not use a damaged power cord or plug. Make sure the plug fits snugly into the outlet.

There is the risk of electric shock or fire.

l Do not expose the monitor to the direct sun light.
l Do not block the fan louvers.

There is the risk of fire or damage to the monitor.
l Do not attempt to disassemble, fix, or modify the monitor.

There is the risk of electric shock or fire.
l Keep the monitor away from high temperature, humidity, and dust.

Operating environment = 0 ~ 40 Degrees Celsius

Operating environment = 30 ~ 80 Relative Humidity
l Do not allow any object or liquid to enter inside the monitor.

There is the risk of electric shock, fire, or damage to the monitor.

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HL711S/HL711D Service Manual

l Use a proper voltage/current level indicated.
l Do not clean the LCD with abrasive chemicals.

There is the risk of damage to the LCD.

l Do not scratch and damage the LCD with sharp objects.
l Keep the monitor away from objects and electrical appliances that may generate

electromagnetic fields.
l Place the monitor on a flat, stable surface.

The monitor may fall and there is the risk of damage or injury.

l Unplug the power cord when the monitor is not in use for a prolonged period of time.

l Make sure the power cord is unplugged.
l Do not spill or pour liquid on the monitor.

l Cleaning the LCD panel

1. Use a clean, soft cloth to wipe off dust from the LCD.

2. If still not clean, wipe the LCD with a clean soft cloth with a small amount of glass cleaner
without alcohol or ammonia.

l Caution
Do not use alcohol or ammonia based cleaning products. Abrasive chemicals, such as alcohol or
ammonia, may damage the monitor. The company is not responsible for the damages to the monitor
caused by the use of alcohol or ammonia based cleaning products.

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ITEMS

HL711S/HL711D Service Manual

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HL711S/HL711D Service Manual

HOW TO CONNECT THE SEVERAL CABLES TO THE LCD
MONITOR

▶ HL711S Cable Connections

POWER PC

Name Cable connections

1 POWER CORD
2 15-PIN D-SUB SIGNAL CABLE

▶ HL711D Cable Connections

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HL711S/HL711D Service Manual

ADJUSTING THE MONITOR

HL711S/HL711D The Function Control Buttons

▶ How to use the function Key.

Button Function

1. First click : The OSD main menu appears.

2. Second click : The OSD main menu disappears.

1. Select a command function.

2. When you push Auto button,this will optimize quality automati­cally..

Down : 1. Automatic adjust color(white level) for various input source’s

white level.

2. Move the on-screen highlighted command item to the next one.

3. Decrease the current value.

UP : 1.Move the on-screen highlighted command item to the Previous one.

2.Increase the current option value.

Power On/Off toggle button.

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HL711S/HL711D Service Manual

HL711S/HL711D SPECIRICATIONS

▶ HL711S/HL711D Specirications

Panel Specification

Panel Type
Panel Dimension
Screen diagonal
Pixel pitch
Pixel format

Color depth
Viewing angle (Deg)

Response Time
Contrast ratio
Average brightness
Cross talk
Vertical Sync (Frame

HT17E13-100 or other

358.5 (H) x 296.5 (V) x 17.0(D) mm typ.

17.0 inches [337.92 (H) x 270.336 (V)mm

0.264mm x 0.264mm
1280(horizontal) x 1024 (Vertical) Pixels
RGB stripe arrangement
8bit (16,777,216 colors)
H

V

Right 80(Typ.)
Left 80(Typ.)
Up 65(Typ.)
Down 65(Typ.)

16 ms
500 : 1(typ.)
300 cd/m2 (typ.)
Horizontal:2.0%(Max.), Vertical:2.0%(Max.)
60Hz(typ.), 75Hz(Max)

rate)
Horizontal Sync
Dclk
Electrical Interface

Monitor’s specification

Resolution

Frequency

Sync. Signal
OSD Control

31 ~ 80KHz
54MHz(Typ.),68MHz(Max.)
LVDS

Recommend: 1280x1024@60Hz
Max. : 1280x1024@75Hz
Horizontal: 31.5 ~ 80 KHz
Vertical : 56 ~ 75 Hz
TTL, P. or N.

Power,Menu,Select/Auto,Down,Up

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DISPLAY MODES

HL711S/HL711D Service Manual

※ The optimal resolution is 1280 1024Ⅹ @60㎐(HL711S/HL711D)

DPMS POWER SAVING MODE

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OSD MENU

▶ Menu Tree

Main Menu Sub Menu Function Description

HL711S/HL711D Service Manual

BRIGHT/CONTRAST

COLOR

POSITION

BRIGHTNESS Control of brightness
CONTRAST Control of contrast
GAMMA Control of gamma
EXIT
COLOR1 Color Temperature 9300k
(some blue color)
COLOR2 Color Temperature 6500k
(some red color)
USER COLOR RED : 0 ~ 100
GREEN : 0 ~ 100
BLUE : 0 ~ 100
EXIT
HORIZONTAL Control of horizontal position
VERTICAL Control of vertical position
CLOCK Control of horizontal clock
PHASE Control of phase

OSD FUNCTION

SETUP

EXIT
OSD POSITION Moves the OSD Menu
OSD TIME OSD display time
LANGUAGE Select OSD language
EXIT
AUTO BALANCE Automatic adjust color
INFORMATION Display monitor’s information
RECALL Factory default values
EXIT

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HL711S/HL711D Service Manual

FACTORY SET

If you push the up button more than 5 seconds in valid PC signal status, factory setting value in MCU
save into EEPROM. Every value changes factory setting value.

After factory set executes, power OFF à power ON automatically.
You must push the auto button because of optimum image quality automatically.

When user want factory setting value, you must execute this function.

BURN-IN MODE

If you push the down button more than 5 seconds in disconnected signal cable status, you can see changed
color.

Burn-In mode displays chaged color continually. (white, red, blue, green etc.)

We can check normal operating status of the monitor under mass production.

If you want to finish Burn-In mode, you can turn off the power by only push the power button.

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HL711S/HL711D Service Manual

INVERTER & POWER

▶ Inverter & POWER(HL711S/HL711D)

l L.I.P.S : LCD INVERTER POWER SYSTEM(FLF1742-04A)

▶ Specification

l Operate 4 CCFL Lamps.
l Current Feedback Control
l Input Voltage : DC 12V.
l When any lamp doesn’t operate, the panel is under protection status.

Protection status means that circuit protect the other lamp.

l PWM Control.
l Remote Power On/Off control
l High Efficiency

▶ Electrical Characteristics

Description

Input Voltage 11.0 12.0 13.0 Vin
Input Current 1.5 1.7 1.9 A 12Vdc

Output Current 5.0 6.0 7.0 mArms 1ccfl current

Lamp Frequency 40 47 55 kHz

ON/OFF Control

Min Typ

Normal Operation ON

Shunt-down(Lamp off) OFF

Max Sign Remark

Vin=12V

ON/OFF=5V

Vin=12V

ON/OFF=0V

Kick-Off

Voltage

MORE THAN 1100 Vrms Kick-Off

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▶ Pin Connection

- INPUT CONNECTOR CON1

Pin NO. Symbol Descripition

1,2 VIN 1 Input Voltage : 12V

3,4,7 GND GND

5,6 VIN 2 Inopt Voltage : 5V

8 ON/OFF Power System Return
9 NC NC

- OUTPUT CONNECTOR CN1,2,3,4
Pin NO. Symbol Descripition

HL711S/HL711D Service Manual

1 HV1,2,3,4 HI VOLTAGE TERMINAL
2 LV1,2,3,4 LOV VOLTAGE TERMINAL

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HL711S/HL711D Service Manual

TROUBLESHOOTING

▶ No operating at all

What you see Suggested Actions

Is the power inserted correctly? Insert the plug correctly referring to the User Manual.
Does the Power Adapter operate
correctly?
The Power Adapter operates correctly,
but the LCD Monitor does not operate
correctly.
Does The Power On/Off and the LED
Operate corretly?

The Power On/Off and the LED operate
correctly, but the OSD menu doesn’t
display on screen.

The OSD menu operates correctly but
the image doesn’t display on screen.

Check the Power Adapter.
The green LED is OK.
Check the harness of the FUNC. B/D.

If the program of the MICOM is error, then exchange the
MICOM.
If the AD B/D is error, then exchange the AD B/D.
First, operate the FACTORY SET.
Second, check the Panel Harness that is connected to the AD
B/D.
Check the LAMP Harness of the Panel.
Lastly, exchange the LIPS.
Insert the SIGNAL Cable correctly referring to the User
Manual.
Check the LAMP Harness of Panel and Inverter.

The Power On/Off operates correctly,
but the screen is ‘ALL WHITE’.
The Power On/Off operates correctly,
but the screen is ‘ALL BLACK’.

Lastly, Check the LAMP of Panel.
The LAMP is OK.
Check the Panel Harness that is connected to the AD B/D.
Check the LAMP Cable.
Check or exchange the LIPS.
Check the Panel Cable.

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