LG LP-141WX1-TLB5 Service manual
DATE: ‘07.03.06
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Specification Rev. 1.0
Specification of 14.1” TFT/LCD
MODEL: LP141WX1 (TLB5)
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ApprovedCheckedPrepared
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D.G. Choi
/Eng. Dept.
/Engineer
NOTICE of RECEIPT
We accepted this specification. OME Operations, TOSHIBA Corp.
Purchasing
Dept.
PC
Hardware
Dept.
S.Y. Kim
/Eng. Dept.
/Manager
S.C. Yun
/Eng. Dept.
/Senior Mgr
Y.S. Jung
/QA. Dept.
/Senior Mgr
Senr. MgrSenr. Eng.Eng.
Senr. MgrSenr. Eng.Eng.
LG.Philips LCD.,Co.Ltd
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Specification Rev. 1.0
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-CONTENTS -
Record of Revision ---------------------------------------------------------------3
1. Scope ---------------------------------------------------------------4
2. General Specifications ---------------------------------------------------------------4
2.1. Features
2.2.Dimensional Outline
3. Absolute Maximum Ratings ---------------------------------------------------------------9
3.1. Absolute Ratings of Environment
3.2. Electrical Absolute Maximum
3.3. Mechanical ratings
3.4. The others
4. Optical Characteristics ---------------------------------------------------------------16
4.1 Test Conditions
4.2 Optical Specifications
5. Electrical Characteristics ---------------------------------------------------------------21
5.1. TFT LCD module
5.2. Backlight Unit
5.3. Regulation
6.Block Diagram ---------------------------------------------------------------27
7. Input Terminal Pin Assignment ---------------------------------------------------------------28
7.1 TFT LCD module
7.2 Backlight Unit
7.3 LVDS Transmitter
7.4 Timing Diagrams of LVDS for Transmission
7.5 Input Signal, Basic Display Colors and Gray Scale of Each Colors
8.Interface timing ---------------------------------------------------------------33
8.1 Timing Parameters
8.2 Timing diagrams of interface signal
8.3 Power On / Off Sequence
9.Cosmetic Specification ---------------------------------------------------------------35
9.1 Sampling
9.2 Conditions of Inspections
9.3 Defect modes
9.4 Mechanical inspection
9.5 Visual Inspection
9.6 Electrical inspection
10. Packing ---------------------------------------------------------------39
11.Labels and Lamp Ass’y Exchange ---------------------------------------------------------------41
12. General Precaution ---------------------------------------------------------------53
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Appendix ---------------------------------------------------------------55
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Record of Revision
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0.006’.11.28
07’ 01.02
07’ 01.23
07’01.25
0.1
0.2
0.3
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All
All
7,11,48,49
16
17,21
27
33
42
55 ~ 57
5,6,8,25,43,45,
52
55 ~ 57
27
Specification Rev. 1.0
Chromaticity (Green)
Power Consumption
Interface Timing
Tape
Lamp P/N
3
c
Panel supplier P/N
-Harrison :
6912L-0389A
-Sanken:
6912L-0210A
UpdatedMechanical Drawing
2.5kgf2.0kgfToque Value
Min./Max. +/-0.02Min./Max. +/-0.0
UpdatedGray Level,
UpdatedLamp P/N
Marginal V_syncNo margin V_syn
T7 : 200 msT7 : 400msPower Sequence34
UpdatedCaution Texture
G33C00041110001G33C00041110Back Light Repair Kit43,44
Ver0.1Ver0.0EEDID
UpdatedLamp-Wire Fixing
Ver0.2Ver0.1EEDID
Lamp supplier P/N(M/N)
-Harrison:(Model Name)
MBTM18JB222BX313.5MWLEH_C
-Sanken:1085-0
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ReasonNewOldItemSheet(New)Rev. No.Date
First
Edition
Gamma
2.2
Reference
07’03.06
Final
CAS
39
71.0
5,6,8,25,43,45,
46,47,50,51,52
(20 PCS Modules included)
polarizer and case Top
Chromaticity (R,G,B)16
LG.Philips LCD.,Co.Ltd
Packing Weight
2
-Mechanical Drawing
Date: 2007.03.06
9.8kg9.9kg
Addition-Gap between upper
Min./Max. +/-0.03Min./Max. +/-0.0
Updated-Dot Inspection37
The position of “High Voltage
caution” Label is changed,
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1. Scope
This specification is applicable to LCD manufacturer’s 35.8cm (14.1”) diagonal size TFT-LCD module
"LP141WX1(TLB5)" designed for Personal Computer.
2. General Specification
2.1. Features
SpecificationsItem
303.74(W) × 189.84(H) (mm) ( 14.1 ” diagonal)Display area ( Active area)
TFT active matrixDriving Method
Number of Pixels
Pixel pitch
Pixel Arrangement
Surface Treatment
Dimensional Outline
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1280(W) × 800(H) × R,G,B (XGA) (pixels)
0.2373(H) × 0.2373(V) (mm)
RGB vertical stripes
262,144 (colors)Display color
Transmissivetype, Normally whiteDisplay Mode
6 o'clock (in direction of maximum contrast)Viewing Direction
Anti-glare treatment of the front polarizer
LVDS1PortInterface
Single cold-cathode fluorescent lamp for side lightingBacklight
320.0 (H) × 206.0(V) × 5.5(D) mm (Max.)
307.76 (W) × 193.00(H) (mm)Bezel Opening
435g(Max.)Weight
1)
1)
1)
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Note 1)
1 2 1279 1280
1
2
799
800
LG.Philips LCD.,Co.Ltd
BGRBGRBGRBGR
BGRBGRBGRBGR
BGRBGRBGRBGR
BGRBGRBGRBGR
0.2373mm
BGR
: Pixel
R G B
0.2373mm
Date: 2007.03.06
: Sub-pixel
(Dots)
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2.2. Dimensional Outline
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( Front figure )
Specification Rev. 1.0
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( Back figure )
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Specification Rev. 1.0
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(Detail description of side mounting screw )
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(Detail description of height of LCM back side & TABZone)
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3. Absolute Maximum Ratings
3.1. Absolute Ratings of Environment
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MaxMinItem NoteSymbol
Operating Ambient Temperature
Operating Temperature for Panel
Storage Temperature
Operating Ambient Humidity
Storage Humidity
Air Pressure
Air Pressure
Altitude
Altitude
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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Wet Bulb
Temperature [
30
20
10
0
-
-
90%80%
60
]
C
°
50
40
60%
Unit
Humidity[(%)RH]
40%
20%
10%
(1)°C+500TOP
(2)°C+600-
(1)°C+65-20TSTG
(1)%RH9010HOP
(1)%RH9010HSTG
OperationkPa101.357-
Non-operationkPa101.312-
OperationKm3-
Non-operationKm12-
Storage
Operation
-20
Note 2) The surface temperature caused by self heat radiation of cell itself is specified on this item.
10
20 30 40 50
Dry Bulb Temperature [℃]
60 70 800
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3.2. Electrical Absolute Maximum
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(1) TFT LCD Module
Specification Rev. 1.0
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Power Supply Voltage
Logic Input Voltage
(2) Back Light Unit
Lamp Voltage
Lamp Current
Lamp Frequency
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MaxMinItem NoteSymbol
MaxMinItem NoteSymbol
Unit
at 25 ± 5°CV+4.0-0.3VDD
LVDS interfaceVVDD+0.3-0.3VIN
Unit
Broken lamp Max VoltageVRMS5000-VL
mARMS7.02.0IL
KHz8050FL
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3.3. Mechanical Ratings
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Test Item NoteTest Conditions
Frequency Range 5 -500 Hz, 14.7m/s21.5G) constant,
Mechanical Vibration
Mechanical Shock
LCD fix condition
-> See Note (2)
Pressure Resistance
-> See Note (1)
Strength of FL Cable
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Connector tension test
at side-mount part
0.5Hrs each axis (X, Y, Z direction).
Frequency Range 5 -500 Hz, 4.9m/s2( 0.5G) constant,
0.5Hrs each axis (X, Y, Z direction).
No Destruction with the force 196 N (20 kgf, 16 mm in diameter) to
the display surface at the vertical direction.
No Destruction with the force 294.2 N (30 kgf, 30 mm in diameter)
to the back of the display surface at the vertical direction.
Only the breakage of below items will not happen after test.
( Glass.Lamp & Circuit parts)
Strength of
Rotation
force
Lead Pull
Test
Input connector : With 50 times of connector trial there must beno
damage to the shape and functionally.
Back light connector : With 50 times of connector trial there must be
no damage to the shape and functionally.
M2 : Max 2.5 kgfcmAssured torque value
Specification Rev. 1.0
70G, Pulse width 11ms, Sine Wave ±X, ±Y, ±Z direction.
* Note) Normal function is only checking points.
Cable : No disconnection of cable to the 5 trial of
360 degree rotation. See a bended state of cable.
Connector : No disconnection of cable to 10 trial of
180 degree rotation. See a bended state of cable.
Soldering portion 29.4N(3.0kgf) 10mins
*1.08mm Wire applied
Connector : 12.9N (1.32kgf) 1 sec
*1.08mm Wire applied
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Non Operation
Operation
Non Operation* 240G, Pulse width 2 ms, Sine Wave, ±X, ±Y, ±Z direction.
Operation98 m/s2 (10G), Pulse width 11 ms, Sine Wave, ±X, ±Y, ±Z direction.
Non Operation
Fig 1-1
Fig 1-2
Fig 1-3
Non Operation
FL cable
R2
Non Operation
Non Operation
Tapping area : All bezel(Metalcover) side,
Tapping test
Definitions of failure for judgment shall be as follows:
(1) Function of the module should be maintained.
(2) Current consumption should be smaller than the specified value.
(3) Appearance and display quality should not have distinguished degradation.
(4) Luminance should be larger than the minimum value specified in optical specification.
LCD: Full-screen gray (L32).
“Ripple (Pooling )” can not be seen in Active Area
Tapping Force: Max 3kgf
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Non Operation15 times under Max. torqueRe-screwed test
Operation
Date: 2007.03.06
Note 1)
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Specification Rev. 1.0
(1) The compression condition of front side
(a) Compression point : 12 points ( refer to Fig 1-1)
(b) Compression condition: 20kgf, 3 sec, Tool diameter: 16 mm in diameter (refer to Fig 1-3)
:COMPRESSION POINT
LCDFlat plate
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[ Fig 1-1 ]
(2) The compression condition of rear side
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(a) Compression point : 21 points ( refer to Fig 1-2 )
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(b)Compression condition : 30kgf, 3 sec, Tool radius: 30 mm in diameter ( refer to Fig 1-3)
:COMPRESSION POINT
ABS natural 2.0t
Flat plate
LCD
[ Fig 1-2 ]
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10mm in diameter
10
16
B
Rubber sheet
(3) Dimension of the compression jig
(a) compression jig for front side A = 16 mm in diameter
(b)compression jig for rear side A = 30 mm in diameter
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A
[ Fig 1-3 ]
B = 16 mm in diameter
B = 28 mm in diameter
1.5
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Note 2) LCD fixing condition for z direction.
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Z
Y X
Specification Rev. 1.0
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3.4. The Others
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(1) Static electricity pressure resistance
(2) Sound noise
There should be no uncomfortable noise.
Being used under whatever surrounds, when power on/off, the panel should not generate
uncomfortable noise. And regarding specified values are negotiated if it is needed.
(3) Open / Short
No smoke, no fiery at any open/ short test
(4) MTBF : 50,000 Hr (except for backlight lamp)
Specification Rev. 1.0
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Non OperationOperationItem Testing conditions
± 10kV±8KV150pF, 330 ohmContact discharge
±20 KV±15KV 150pF, 330 ohmAir discharge
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4. Optical Characteristics
4.1. Test Conditions
Ambient Temperature : T
Ambient Humidity : H
Supply Voltage : V
a
DD
Input Signal : According to typical value in "Electrical Characteristics"
FL Input Current : IL= 6.0mA
FL Driving Frequency : fLF= ( 60±5 kHz )
FL Inverter : FIF1311-06A (PRONTEK Rev1.0)
The measuring method is shown in following 4.2. The items are measured under stable conditions. The
optical characteristics should be measured in a dark room ( Screen illuminance< 2lx ) or equivalent state
with the methods shown in Note (6).
25±5°C
a
65±20%RH
3.3V
RMS
4.2. Optical Specifications
NoteUnitMax.Typ.Min.ConditionsSymbolItem
Contrast Ratio
(Center 1 Point)
Average luminance
Cross Modulation
Luminance
Uniformity
Chromaticity
Viewing
Angle
13 Points CR Variation
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Red
Green
Blue
White
Hor.
Ver.
Hor.
Ver.
CR
Rx
Ry
Gx
Gy
Bx
By
Wx
Wy
θ
θ
θ
θ
δW13 Points White Variation
SHA
θ
θ
Low
θ
θ
Low
L
θ=0°, φ=0°
Viewing
normal angle
L
R
CR>=10
up
L
R
CR>=5
up
R
φ = 180
φ = 0°
φ = 90°
φ = -90°
φ = 180
φ = 0°
φ = 90°
φ = -90°
θ=0°, φ=0°
Viewing
normal angle
0.554
0.317
0.294
0.512
0.128
0.115
0.283
0.299
40
40
15
35
45
45
20
40
0.584
0.347
0.324
0.542
0.158
0.145
0.313
0.329
45
45
20
40
50
50
25
45
-170140Y
0.614
0.377
0.354
0.572
0.188
0.175
0.343
0.359
-
-
-
-
-
-
-
-
-
deg.
2
cd/m
(2), (6)--400300
(3)ms2516-Tr+ TfResponse Time
*IFL=6.0mA
FL=60±5kHz
Gray Scale Level
(Color Coordinate of
the R,G,B is based
on LPL’s equipment,
and Color Coordinate
of the W is based on
Toshiba’s equipment)
RMS
= L63 (White)
(5)%2.0--D
(1), (6)
PR650
Only for
Color
Coordinate
(7)1.61.4-
(7), A2.0--δC
(8)2.0--dLWhite Variation
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Attach the Lamp current – Luminance characteristics. The range of lamp current is shown in 3.2 (2)
A. Present CR Variation(13Points) Spec is based on PR-880 Equipment and can be changed by the
measuring equipment.
63
55
47
Normalized luminance
at each gray level
At normal viewing direction, during displaying the L0-L63 gray scale bar, luminance intensity inversion
can not be seen.
39
31
23
15
7
0
θ=0°, φ=0°
Viewing
normal angle
100100100
89.075.758.0
68.553.035.0
50.034.920.5
33.521.512.0
21.012.85.50
12.56.301.50
6.001.900.40
0.500.230.00
%
(1), (6)
(Center 1 Point)
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NoteUnitMax.Typ.Min.ConditionsGray levelItem
Note 1) Definition of viewing angle θ and φ
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φ
= 180
Note 2) LCD fixing condition for z direction.
The contrast ratio can be calculated by the following expression.
Contrast Ratio (CR) = L63 / L0
L63 : Luminance on the white raster (gray scale level L63)
L 0 : Luminance on the black raster (gray scale level L0)
°
φ
= 270
Left
,
,
°
Down
Normal
θ
Measurement
Direction
φ
Y
φ
= 90°, Up
φ
°
= 0
,
Right
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Note 3) Definition of response time
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SHA
Tr
)
%
100
90
Optical
Response
10
0
Bright Bright
Note 4) Definition of surfaceluminance of white
Measure the luminance of white at Centerpoint. Surfaceluminance of white Y
Note 5) Definition of Cross Modulation (D
D
= | YB– YA| / YA×100 (%)
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SHA
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Tf
Dark
L
Where:
YA= Luminance of measured location without darkest gray pattern (cd/m2)
YB= Luminance of measured location with darkest gray pattern (cd/m2)
(0, 0)
Gray Level 42
VIEW AREA
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YA(639, 199)
(1279, 799)
Gray Level 0
Gray Level 42
(0, 0)
VIEW AREA
(100, 100)
YA(639, 199)
(319, 399)
(1279, 799)
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