Datasheet LM-230W01-A2P3 Service manual (LG)

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LM230W01

Liquid Crystal Display

Product Specification

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LM230W01

Liquid Crystal Display

Product Specification

Contents

PageITEMNo

COVER CONTENTS RECORD OF REVISIONS GENERAL DESCRIPTION1 ABSOLUTE MAXIMUM RATINGS2

ELECTRICAL SPECIFICATIONS3 ELECTRICAL CHARACTREISTICS 3-1

INTERFACE CONNECTIONS 3-2 SIGNAL TIMING SPECIFICATIONS 3-3 SIGNAL TIMING WAVEFORMS 3-4 COLOR INPUT DATA REFERNECE 3-5

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POWER SEQUENCE 3-6 OPTICAL SFECIFICATIONS4 MECHANICAL CHARACTERISTICS5 RELIABLITY6

1 2 3 4 5

6 6

8 11 12 13 14 15 19 22

Ver. 1.0 FEB . 06 . 2003

INTERNATIONAL STANDARDS7 SAFETY 7-1 EMC 7-2 PACKING8 DESIGNATION OF LOT MARK 8-1 PACKING FORM 8-2

23 23 23 24 24 24

25PRECAUTIONS9 27APPENDIX

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LM230W01

Liquid Crystal Display

Product Specification

RECORD OF REVISIONS

DESCRIPTIONPageRevision DateRevision No

First Draft (Preliminary)-JAN.17.20030.0 the White color coordination change ( TBD,TBD →0.314,0.331)15FEB.06.20031.0

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LM230W01

Liquid Crystal Display

Product Specification

1. General Description

The LM230W01 LCD is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent Lamp(CCFL) back light system. The matrix employs a-Si Thin Film Transistor as the active element. It is a tra nsmissive type display operating in the normally black mode. This TFT-LCD has a 23.0 inch diagonally measu red active display area with WUXGA resolution(1920 vertical by 1200 horizontal pixel array). Each pixel is divid ed into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes. Gray scale or the lumina nce of the sub-pixel color is determined with a 8-bit gray scale signal for each dot, thus, presenting a palette of more than 16,777,216 colors. The LM230W01 has been designed to apply the TMDS erface method to enables a simple and low-cost implementation in both the host and monitor.

TM

(Transition Minimized differential Signaling) as the int

RGB (24BIT)

CLK

RGB (24B IT)

VCC, VDD

V0~ V1 7

SOURCE (Left)

SOURCE (Right)

RXC +/RX0 +/RX1 +/-

(2 0 P IN)

USER C ON

POW ER C ON

RX2 +/-

H sync, Vsyn c

(15P IN)

TM D S

TM D STM D S

Receiver

ReceiverR eceiver

IN P U T 1 8V

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PW R _O N

General Features

RGB D ATA

CLK

Hsync Vsyn c

Tim ing

Tim ingTim ing

C o n t r o lle r

C o n t r o lle rC o n t r o lle r

DC/DC

DC/DCDC/DC

C onverter

C onverterC onverter

23.0 inches(58.4cm) diagonalActive Screen Size

550.0(H) x 360.5(V) x 25.0(D) mm(Typ.)Outline Dimension

495.36[mm] × 309.6[mm]Active Area

0.258 mm x 0.258mmPixel Pitch 1920 horiz. By 1200 vert. Pixels RGB stripes arrangementPixel Format 8-bit, 16,777,216 colorsColor Depth

200 cd/m Total 47 Watt(Typ.)Power Consumption

4,500 g (typ.)Weight

K

L

C

PANEL

G A

VC C

T

VG H ,VG L

GAMMA

GAMMAGAMMA

2

(Typ.)Luminance, White

E

PANELPANEL

1920 X 1200

1920 X 12001920 X 1200

Surface Treatment

Ver. 1.0 FEB . 06 . 2003

Transmissive mode, normally blackDisplay Operating Mode Hard coating(3H)

Anti-glare treatment of the front polarizer, TMDS (Hsync/DE)Interface

6 CCFL’s(Cold Cathode Fluorescent Lamp)LAMP

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Liquid Crystal Display

Product Specification

2. Absolute Maximum Ratin gs

The following are maximum values which, if exceeded, may cause operation or damage to the unit.

Table 1. ABSOLUTE MAXIMUM RATINGS

LM230W01

Parameter Notes

Power Input Voltage Operating Temperature Storage Temperature Operating Ambient Humidit

y Storage Humidity

Note : 1. Temperature and relative humidity range are shown in the figure below. Wet bulb temperature should be 39 °C Max, and no condensation of water.

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Symbol

OP

ST

OP

ST

Values

MaxMin

500T 60-20H

Units

°C °C

at 25 ± 5°CVcc21-0.3Vcc

1 1

1%RH9010H

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Liquid Crystal Display

Product Specification

3. Electrical Specifications 3-1. Electrical Characteristics

The LM230W01 requires two power inputs. One input is employed to power the LCD electronics and to d rive the voltages to drive the TFT array and liquid crystal. And the second input which powers the CCFL, i s typically generated by an inverter. The inverter is an external unit to the LCD.

Table 2. ELECTRICAL CHARACTERISTICS

LM230W01

Parameter Symbol

MODULE :

Inrush Current

LAMP : Operating Voltage Operating Current

at 25 °C

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at 0 °C Operating Frequency Power Consumption

Notes : 1. The input current shall be measured at V clock frequency of 156MHz under mosaic pattern(8x6) (typ).

2. The measuring condition The duration of rush current is about 20ms, and rising time of Power input is 1ms.

3. The variance of the voltage is ±10%.

4. Operating voltage is measured at 25°C. The variance of the voltage is ±10%.

5. The output voltage at the transformer in the inverter must be high considering to the loss of the ballast capacitor in the inverter. The voltage above V than 1 second for start-up. Otherwise, the lamps may not be turned on.

6. Lamp frequency may produce interface with horizontal synchronous frequency and as a result this may cause beat on the display. Therefore lamp frequency shall be as away possible from the horizontal synchronous frequency and from its harmonics in order to prevent interference.

7. The lamp power consumption shown above does not include loss of external inverter at 25°C. The used lamp current is the lamp typical current.

Rush

BL

BL BL

of 18.0Vdc at 25℃, refresh rate of 60Hz, and pixel

CC

Values

MaxTypMin

Vdc19.018.017.0Vcc Power Supply Input Voltage

1090(2.5mA)875(7.5mA)830(9mA)V

1400-1960--

should be applied to the lamps for more

S

V V

RMS

mA9.07.52.5I

RMS RMS

NotesUnit

1A0.650.45-Icc Power Supply Input Current 1Watt11.78.1-Pc Power Consumption

2A3--I

3V

4Vs Established Starting Voltage

5kHz605040F 6Watt45.141.0-P 7min3--Ts Discharge Stabilization Time 8Hrs30,000 Life Time

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Liquid Crystal Display

LM230W01

Product Specification

8. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%. T The used lamp current is the lamp typical current.

9. The life time is defined as the time at which brightness of lamp is 50% compare to that of initial

value at the typical lamp current on condition of continuous operating at 25±2°C.

Note. Do not attach a conducting tape to connecting wire. If the lamp wire attach to a conducting tape, TFT-LCD Module has a low luminance and the inverter has abnormal action. Because leakage current is occurred between lamp wire and conducting tape.

is the time required for the brightness of the center of the lamp to be not less than 95%.

S

The design of the inverter must have specifications for the lamp in LCD Assembly. The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced by the characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefully designed so as not to produce too much leakage current from high-voltage output of the inverter. When you design or order the inverter, please make sure unwanted lighting caused by the mismatch of the lamp and the inverter(no lighting, flicker, etc) never occurs. When you confirm it, the LCD – Assembly should be operated in the same condition as installed in you instrument. Requirements for a system inverter design, which is intended to have a better display performance, a better power efficiency and a more reliable lamp. It shall help increase the lamp lifetime and reduce its leakage current.

a. The asymmetry rate of the inverter current and voltage waveform should be 10% below; b. The distortion rate of the current and voltage waveform should be within √2 ±10%; c. The ideal sine current and voltage waveform shall be symmetric in positive and negative polarities.

* Asymmetry rate = | I

* Distortion rate = I

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– I –p | / I

p

(or I –p) / I

p

rms

* 100%

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Liquid Crystal Display

LM230W01

Product Specification

3-2. Interface Connections

This LCD employs three kinds of interface connections. A 20 pin connector is used for TMDS signals from t he host computer. A 15-pin connector is used for LCD module power and LCM controls signal from external monitor control circuits. And six connectors, two pin connector, are used for the integral backlight system.

3-2-1. Sig nal Interface

The TMDS signal interface connector is FI-XL20S-HF by JAE. The pin configuration for the 20 pin connector is shown in the table below.

Table 3 20PIN CONNECTOR (CNC6) PIN CONFIGURATION

DescriptionSymbolPinDescriptionSymbolPin

GND Shield for TMDS channel 0SHLD011Ground1

TX0+12GroundGND2

TX0-13GroundGND3

TXC+15Shield for TMDS channel 2SHLD25

TX2+6

TX2-7

TX1+9

TX1-10

TMDS positive differential output (Channel 2)

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TMDS negative differential output (Channel 2)

TMDS positive differential output (Channel 1)

TMDS negative differential output (Channel 1)

TXC-16

TMDS positive differential output (Channel 0)

TMDS negative differential output (Channel 0)

Shield for TMDS channel CSHLDC14GroundGND4 TMDS positive differential output

(Channel C) TMDS negative differential output

(Channel C)

GroundGND17

GroundGND18Shield for TMDS channel 1SHLD18

GroundGND19

GroundGND20

1. Interface chips

1.1 LCD : PTFP 403 PZP (TI)

2. Connector

2.1 LCD : FI-XL20S-HF

2.2 Mating : FI-XL20H or compatible

2.3 Connector pin arrangement

Notes: 1. All shield pins and GND(ground) pin should be connected together and should also be connected to the LCD’s metal frame.

Ver. 1.0 FEB . 06 . 2003

20.1

CNC6

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Liquid Crystal Display

LM230W01

Product Specification

3-2-2. Power In t erf ace

A 15 pin connector (CNC7) for external monitor control circuits, is a model 53261 manufactured by Molex. The mating connector part number is 51021 or its equivalent. The pin configuration for this connector is sho wn in the table below.

Table 4 15 PIN CONNECTOR (CNC7) PIN CONFIGURATION

1 2 3 4 5 6 7 8 9

10

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11 12 13 14 15

Symbol

GND GND

PWR_ON

GND

Vcc Vcc Vcc Vcc

GND DDC_CLK DDC_DAT

GND

HS_OUT VS_OUT

GND

Description Ground Ground Power ON control signal input Ground LCM power supply, +18V ±5% LCM power supply, +18V ±5% LCM power supply, +18V ±5% LCM power supply, +18V ±5% Ground DDC clock line out DDC data line out Ground Hsync Output Vsync Output Ground

5V(H:90%,L:10%)

Notes

Connector pin arrangement

Notes: 1. All GND(ground) pins should be connected together and should also be connected to the LCD’s metal frame.

Ver. 1.0 FEB . 06 . 2003

151

CNC7

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Liquid Crystal Display

LM230W01

Product Specification

3-2-3. Backlig ht In t erf ace

The backlight interface connector is a model BHSR-02VS-1(CN2/CN3) and BHSR-05VS-1 (CN1/CN4) man ufactured by JST. The mating connector part number are SM02B-BHSS-1-TB(2pin), SM04(9-E2)B-BHS-1-T B or equivalent. The pin configuration for the connector is shown in the table below.

Table 5 BACKLIGHT CONNECTOR PIN CONFIGURATION

Symbol

CN1

5

CN2

CN3

CN4

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5

Notes: 1. The high voltage power terminal is colored pink,blue,gray. Ground pin color is white.

HV HV

NC

LV LV

HV

LV

HV 1Power supply for lamp 4(High voltage side) - Gray1

LV HV HV

NC

LV LV

NC3 Power supply for lamp 1(Low voltage side) - White4 Power supply for lamp 2(Low voltage side) - White

Power supply for lamp 3(Low voltage side) - White2

Power supply for lamp 4(Low voltage side) - White2

NC3 Power supply for lamp 5(Low voltage side) - White4 Power supply for lamp 6(Low voltage side) - White

NotesDescriptionPinNo

1Power supply for lamp 1(High voltage side) - Pink1 1Power supply for lamp 2(High voltage side) - Blue2

1Power supply for lamp 3(High voltage side) - Gray1

1Power supply for lamp 6(High voltage side) - Pink1 1Power supply for lamp 5(High voltage side) - Blue2

Ver. 1.0 FEB . 06 . 2003

Up Side

Down Side

Lamp1 Lamp 2 Lamp 3

Lamp 4 Lamp 5 Lamp 6

CN 1

CN 2

CN 3 CN 4

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LM230W01

Liquid Crystal Display

Product Specification

3-3. Signal Timing Specifications

This is signal timing required at the input of the TMDS transmitter. All of the interface signal timing should be satisfied with the following specifications for it’s proper operation.

Table 6. Timing Table

Enable

SYMBOL

t

PeriodDCLK

Frequency

PeriodHsync

Width-Active

PeriodVsync

Frequency

Width-Active

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Horizontal ValidData

Horizontal Back Porch

Horizontal Front Porch

Horizontal Blank

CLK

f

t

HBP

HFP

t

HP

WH

VP

V

f

WV

HV

-

6.336.416.49

158156154

-21441984

323232

-12121206

646056

-32

192019201920

-12816

-6416

-22464

Ns

MHz

t

CLK

t

HP

Hz

t

HP

CLK

t

NoteUnitMaxTypMinITEM

1

2

3

4

t

WH+ tHBP+ tHFP

Notes: 1. Hsync period shall be a double number of 8

2. Horizontal sync shall be active high.

3. Vertical frequency should be keep the above specification when the resolution & mode are changed.

4. Vertical sync shall be active high.

Ver. 1.0 FEB . 06 . 2003

Vertical Valid

Vertical Back Porch

Vertical Front Porch

Vertical Blank

t

VV

VBP

VFP

-

120012001200

-63

t

HP

-31

WV+ tVBP+ tVFP

-126

t

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3-4. Signal Timing Waveforms

LM230W01

Liquid Crystal Display

Product Specification

Hsync, Vsync, DE, DATA

t

CLK

Dclk

INVALID

DATA

DE(Data Enable)

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Hsync

t

WH

0.5V

CC

0.7Vcc

0.3Vcc

VALID

Data are latched at the fall i ng edge of DCLK

t

HP

INVALID

DE(Data Enable)

Vsync

DE(Data Enable)

Ver. 1.0 FEB . 06 . 2003

t

WV

t

VBP

t

HBP

t

HV

t

VP

t

VV

t

HFP

t

VFP

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Liquid Crystal Display

LM230W01

Product Specification

3-5. Color Input Data Reference

The brightness of each primary color(red,green and blue) is based on the 8-bit gray scale data input for the color ; the higher the binary input, the brighter the color. The table below provides a reference for color versus data input.

Table 7. COLOR DATA REFERENCE

Input Color Data

Basic Color

RED

GREEN

BLUE

Color

Black Red (255) Green (255) Blue (255) Cyan Magenta Yellow White

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RED (000) RED (001)

... RED (254) RED (255) GREEN (000) GREEN (001)

... GREEN (254) GREEN (255) BLUE (000) BLUE (001)

... BLUE (254) BLUE (255)

MSB LSB

RED

MSB LSB

GREEN

MSB LSB

B7 B6 B5 B4 B3 B2 B1 B0G7 G6 G5 G4 G3 G2 G1 G0R7 R6 R5 R4 R3 R2 R1 R0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1 0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0 1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0 1 1 1 1 1 1 1 11 1 1 1 1 1 1 10 0 0 0 0 0 0 0 1 1 1 1 1 1 1 10 0 0 0 0 0 0 01 1 1 1 1 1 1 1 0 0 0 0 0 0 0 01 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 11 1 1 1 1 1 1 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 1

0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 10 0 0 0 0 0 0 0

0 0 0 0 0 0 0 01 1 1 1 1 1 1 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0

0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0

1 1 1 1 1 1 1 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0 1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0

BLUE

.........

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3-6. Power Sequence

LM230W01

Liquid Crystal Display

Product Specification

V

CC

90%

Power Supply, V

Interface Signal, V (Digital RGB signal, SCDT ,V Clock to PanelLink Transmitter)

PWR_CTRL signal for LCM power down

Power Supply for Backlight Inverter

sync

CC

i

, H

, DE,

sync

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Parameter

T7 T8 T9

0V

10%

T1

T2

10%

T4

LAMP OFF LAMP OFF

400

50

-

Customers can monitor H

T3

5V

90%

LAMP ON

( Monitoring

T6

T5

Values

-

sync

Invalid Period

H

sync

)

,V

sync

T7

, ,V

T3

sync

,

T4

with VCC on.

Valid PeriodValid Period

MaxTypMin

--100T4

-

10

10%

T9

T8

T6

T5

Units

ms10--T1 ms--50T2 ms50--T3 ms ms50--T5 ms80--T6

ms

Notes : 1. Please avoid floating state of interface signal at invalid period.

2. When the interface signal is invalid, be sure to pull down the power supply for LCD V

3. Lamp power must be turn on after power supply for LCD and interface signal are valid.

4. When connector is hot-plug and plug,T2 & T8 min spec can be 0ms.

Ver. 1.0 FEB . 06 . 2003

to 0V.

CC

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Liquid Crystal Display

LM230W01

Product Specification

4. Optical Specifications

Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30 minutes in a dark environment at 25 °C. The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle of Φ and θ equal to 0 ° and aperture 1 degree. FIG. 1 presents additional information concerning the measurement equipment and method.

FIG. 1 Optical Characteristic Measurement Equipment and Method

Optical Stage(x,y)

LCD Module

Parameter Symbol NotesUnits

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Surface Luminance, white Luminance Variation

Color Coordinates

Viewing Angle

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Rise Time Decay Time

x axis, right(φ=0°) 5degree85θr x axis, left (φ=180°) y axis, up (φ=90°) y axis, down (φ=270°)

500mm

RED

GREEN

BLUE

Field = 1 °

Table 8. OPTICAL CHARACTERISTICS

WH

WHITE

R D

°

°°

Prichard 880 or equivalent

Values

200170L

85θl 85θu 85θd

(Ta=25 °C, VCC=18.0V, fV=60Hz Dclk=156MHz, IBL=7.5mA)

MAxTypMin

1400300CRContrast Ratio

2

(23)13Tr (22)12Tr

0.6670.6370.607RX

0.3600.3300.300RY

0.3330.3030.273GX

0.6160.5860.556GY

0.1750.1450.115BX

0.1000.0700.040BY

0.3440.3140.284WXWHITE

0.3610.3310.301WY

2cd/m 335%δ 4ms4525TrResponse Time

62.2Gray Scale

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LM230W01

Liquid Crystal Display

Product Specification

Notes :

1. Contrast Ratio(CR) is defined mathematically as : Surface Luminance with all white pixels Contrast Ratio = Surface Luminance with all black pixels Contrast ratio shall be measured at the center of the display (Location P1).

2. Average Luminance (L displaying white

LWH=

3. The variation in surface luminance, δWHITE is defined as

Maximum (P1, P2, ....P13) - Minimum (P1, P2, ....P13)

δWHITE = X 100

Average(P1, P2, ....P5)

Where P1 to P13 are the luminance with all pixels displaying white at 13 locations.

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H/16H/16

)is average of luminance value at location P1 to P5 with all pixels

WH

P1 + P2 + P3 + P4 + P5

5

H/2 H/4

P6 P7

P2

P9 P1 P10

P4 P5

P11 P12P13

Ver. 1.0 FEB . 06 . 2003

P3

P8

V/10

V/2

V/4

V/10

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LM230W01

Liquid Crystal Display

Product Specification

4. The response time is defined as the following figure and shall be measured by switching the input signal for “black” and “white”.

100

90

Optical Response

10

0

white

5. Viewing angle is the angle at which the contrast ratio is greater than 10.

φ

(12:00)

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TrD TrR

black

= 0。

θ

= 90。

yu

z

A

θ

φ

white

Ver. 1.0 FEB . 06 . 2003

φ

= 180。

xl

(9:00)

TFT LCD MODULE

z' yd

= 270。

φ

(6:00)

φ

= 0。

(3:00)

xr

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LM230W01

Liquid Crystal Display

Product Specification

6. Grayscale Specification

Relative Luminance [%] (Typ.)Gray Level

0.30

31

63

95

127

159

191

223

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255

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1.2

4.7

11.7

21.2

35.2

53.0

75.4

100

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Product Specification

5. Mechanic al Characteristics

The contents provide general mechanical characteristics for the model LM230W01. In addition the figures in the next page are detailed mechanical drawing of the LCD.

550.0 +0.7/-0.5mmHorizontal

LM230W01

Liquid Crystal Display

Outline Dimension

Bezel Area

Active Display Area

Surface Treatment

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Hard coating(3H) Anti-glare treatment of the front polarizer

360.5 +0.7/-0.5mmVertical

25.0 ± 0.7mmDepth

499.4mmHorizontal

313.6mmVertical

495.36mmHorizontal

309.6mmVertical 5000g (Max.)4500g (Typ.)Weight

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LM230W01

Liquid Crystal Display

Product Specification

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LM230W01

Liquid Crystal Display

Product Specification

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6. Reliability

Environment test condition

No Test Item Condition

LM230W01

Liquid Crystal Display

Product Specification

1 2 3 4

5

6

{ Result Evaluation Criteria } There should be no change which might affect the practical display function when the display quality test is conducted under normal operating condition.

Vibration test (non-operating)

Shock test (non-operating)

Altitude storage / shipment

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Ta= 60°C 240hHigh temperature storage test Ta= -20°C 240hLow temperature storage test Ta= 50°C 50%RH 240hHigh temperature operation test Ta= 0°C 240hLow temperature operation test Wave form : random

Vibration level : 1.0G RMS Bandwidth : 10-500Hz Duration : X,Y,Z, 10 min One time each direction

Shock level : 100G Waveform : half sine wave, 2ms Direction : ±X, ±Y, ±Z One time each direction

0 - 40,000 feet(12,192m)

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7. Intern ational Standards 7-1. Safety

a) UL 1950 Third Edition, Underwriters Laboratories, Inc. Jan. 28, 1995. Standard for Safety of Information Technology Equipment Including Electrical Business Equipment. b) CAN/CSA C22.2 No. 950-95 Third Edition, Canadian Standards Association, Jan. 28, 1995. Standard for Safety of Information Technology Equipment Including Electrical Business Equipment. c) EN 60950 : 1992+A1: 1993+A2: 1993+A3: 1995+A4: 1997+A11: 1997 IEC 950 : 1991+A1: 1992+A2: 1993+A3: 1995+A4: 1996 European Committee for Electrotechnical Standardization(CENELEC) EUROPEAN STANDARD for Safety of Information Technology Equipment Including Electrical Business Equipment.

7-2. EMC

a) ANSI C63.4 “Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electrical Equipment in the Range of 9kHZ to 40GHz. “American National Standards Institute(ANSI), 1992 b) C.I.S.P.R “Limits and Methods of Measurement of Radio Interface Characteristics of Information Technology Equipment.“ International Special Committee on Radio Interference c) EN 55022 “Limits and Methods of Measurement of Radio Interface Characteristics of Information Technology Equipment.“ European Committee for Electrotechnical Standardization (CENELEC), 1998

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LM230W01

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8. Packing 8-1. Designation of Lot Mark

a) Lot Mark

ABCDEFGHI JKLM

A,B,C : SIZE D : YEAR E : MONTH F,G : PANEL CODE H : ASSEMBLY CODE I,J,K,L,M : SERIAL NO.

Note:

1. YEAR

LM230W01

Liquid Crystal Display

Product Specification

YEAR

Mark

www.jxlcd.com

2. MONTH

MONTH

Mark

3. Serial No.

Serial No.

Mark

b) Location of Lot Mark

Serial NO. is printed on the label. The label is attached to the backside of the LCD module. This is subject to change without prior notice.

8-2. Packing Form

a) Package quantity in one box : 3 pcs

977988999200002001120022200332004420055200662007

www.jxlcd.com

Jan.1Feb.2Mar.3Apr.4May.5Jun.6Jul.7Aug.8Sep.9Oct.ANov.BDec.

1 ~ 99999

00001 ~ 99999

100000 ~

A0001 ~ A9999,·········, Z9999

7

C

b) Box Size : TBD

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Liquid Crystal Display

Product Specification

9. PRECAUTIONS

Please pay attention to the following when you use this TFT LCD module.

9-1. MOUNTING PRECAUTIONS

(1) You must mount a module using holes arranged in four corners or four sides. (2) You should consider the mounting structure so that uneven force(ex. Twisted stress) is not applied to the module. And the case on which a module is mounted should have sufficient strength so that external force is not transmitted directly to the module. (3) Please attach a transparent protective plate to the surface in order to protect the polarizer. Transparent protective plate should have sufficient strength in order to the resist external force. (4) You should adopt radiation structure to satisfy the temperature specification. (5) Acetic acid type and chlorine type materials for the cover case are not describe because the former generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction. (6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB pencil lead. And please do not rub with dust clothes with chemical treatment. Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are determined to the polarizer.) (7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. Only IPS is recommended for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause chemical damage to the polarizer. (8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes deformations and color fading. (9) Do not open the case because inside circuits do not have sufficient strength.

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LM230W01

9-2. OPERATING PRECAUTIONS

(1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage : V=±200mV(Over and under shoot voltage) (2) Response time depends on the temperature.(In lower temperature, it becomes longer.) (3) Brightness depends on the temperature. (In lower temperature, it becomes lower.) And in lower temperature, response time(required time that brightness is stable after turned on) becomes longer. (4) Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or electrical contacted parts. And after fading condensation, smear or spot will occur. (5) When fixed patterns are displayed for a long time, remnant image is likely to occur. (6) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be done by system manufacturers. Grounding and shielding methods may be important to minimized the interference.

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Liquid Crystal Display

Product Specification

9-3. ELECTROSTATIC DISCHARGE CONTROL

Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly.

9-4. PRECAUTIONS FOR STRONG LIGHT E XPOSURE

Strong light exposure causes degradation of polarizer and color filter.

9-5. STORAGE

When storing modules as spares for a long time, the following precautions are necessary. (1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature between 5°C and 35°C at normal humidity. (2) The polarizer surface should not come in contact with any other object. It is recommended that they be stored in the container in which they were shipped.

LM230W01

9-6. HANDLING PRECAUTIONS FOR PROTECTION FILM

(1) The protection film is attached to the bezel with a small masking tape When the protection film is peeled off, static electricity is generated between the film and polarizer. This should be peeled off slowly and carefully by people who are electrically grounded and with well ion-blown equipment or in such a condition, etc. (2) When the module with protection film attached is stored for a long time, sometimes there remains a very small amount of glue still on the bezel after the protection film is peeled off. (3) You can remove the glue easily. When the glue remains on the bezel or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-hexane.

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Product Specification

APPENDIX 1 : Required Signal Assi gnment for TMDS

LM230W01

Liquid Crystal Display

www.jxlcd.com

Ver. 1.0 FEB . 06 . 2003

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