LG LM-170E03-TLG3 Service manual
( ) Preliminary Specification
S
(◆ ) Final Specification
Title 17.0” SXGA TFT LCD
LM170E03
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
BUYER
MODEL
www.jxlcd.com
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SIGNATURE DATE
/
/
/
LGE
UPPLIER LG.Philips LCD Co., Ltd.
*MODEL LM170E03
SUFFIX TLG3
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
G.T.KIM / G.Manager
REVIEWED BY
Y.W.LEE / Manager [C]
J.H.LEE / Manager [M]
D.Y.SEOK / Manager [P]
PREPARED BY
DATE
S. J. MOON / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
Ver 1.0 Feb. 27, 2008
Product Engineering Dept.
LG. Philips LCD Co., Ltd
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LM170E03
CONTENTS
3-4
SIGNAL TIMING WAVEFORMS
16
Liquid Crystal Display
Product Specification
NO. ITEM Page
- COVER 1
- CONTENTS 2
- RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION 4
2 ABSOLUTE MAXIMUM RATINGS 5
3 ELECTRICAL SPECIFICATIONS 6
3-1 ELECTRICAL CHARACTERISTICS 6
3-2 INTERFACE CONNECTIONS 9
3-3 SIGNAL TIMING SPECIFICATIONS 15
3-5 COLOR INPUT DATA REFERANCE 17
3-6 POWER SEQUENCE 18
3-7 VCC POWER DIP CONDITION 19
4 OPTICAL SPECIFICATIONS 20
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5 MECHANICAL CHARACTERISTICS 25
6 RELIABILITY 28
7 INTERNATIONAL STANDARDS 29
7-1 SAFETY 29
7-2 EMC 29
8 PACKING 30
8-1 DESIGNATION OF LOT MARK 30
8-2 PACKING FORM 30
9 PRECAUTIONS 31
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RECORD OF REVISIONS
Revision No DescriptionDate Page
LM170E03
Liquid Crystal Display
Product Specification
Ver 0.1
Ver 0.2
Ver 1.0
Nov. 30, 2007
Jan. 24, 2008
Feb. 27, 2008
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4,25
27
Preliminary Specifications
Update for Weight
1890g(typ) Æ 1600g(typ)
Update for Rear view
-Label change
Final Specification
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LM170E03
The LM170E03
TLG3 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
The LM170E03
TLG3 is intended t
thin thick
G
G
block
V
LCD
)
p
(yp)
Liquid Crystal Display
Product Specification
1. General Description
Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive type display operating in the normally white mode. This TFT-LCD has a 17.0 inch diagonal
measured active display area with SXGA resolution(1024 vertical by 1280 horizontal pixel array)
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.
Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot,
thus, presenting a palette of more than 16.7M colors with A-FRC(Advanced-Frame Rate Control).
The LM170E03-TLG3 has been designed to apply the interface method that enables low power, high speed,low
EMI. FPD Link or compatible must be used as a LVDS(Low Voltage Differential Signaling) chip.
critical factors and graphic displays are important. In combination with the vertical arrangement of the sub-pixels,
the LM170E03-TLG3 characteristics provide an excellent flat panel display for office automation products such as
monitors.
o support applications where
RGB
ness,wide viewing angle, low power are
Source driver circuit
LVDS
pair #1
CN1
(30pin)
LVDS
pair #2
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+5V
Timing controller
＆LVDS 1 chip
Power circuit
CN2, 3 (2pin)
CN4, 5 (2pin)
Figure 1. Block diagram
S1
1
TFT - LCD Panel
(1280 × RGB × 1024 pixels)
G1024
Backlight assembly (4CCFL)
General Features
Active screen size 17.0 inch (43.27cm) diagonal
Outline Dimension 358.5(H) x 296.5(V) x 16.0(D) mm(Typ.)
Pixel Pitch 0.264 mm x 0.264 mm
Pixel Format 1280 horiz. by 1024 vert. Pixels. RGB stripe arrangement
Display Colors 16.7M colors
S1280
Luminance, white 300 cd/m2(Typ. Center 1 point)
Power Consumption 21.85 Watts(Typ.
Weight 1600g (Typ.)
Display operating mode Transmissive mode, normally white
Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer
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LM170E03
Wet bulb temperature should be 39
Max, and no condensation of water
60%
0
Liquid Crystal Display
Product Specification
2. Absolute maximum ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. Absolute Maximum Ratings
Parameter NotesSymbol
Power Supply Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
Note : 1. Temperature and relative humidity range are shown in the figure below.
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Wet Bulb
Temperature [
℃]
20
10
30
V
CC
T
OP
T
ST
H
OP
H
ST
°
C
50
40
Values
Min. Max.
－0.3
0
－20
10
10
90%
60
＋5.5
＋50
＋60
＋90
＋90
40%
10%
Humidity [(%)RH]
Units
V
dc
℃
℃
%RH
%RH
Operation
At 25℃
1
1
1
1
.
Storage
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10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [℃]
Figure 2. Temperature and relative humidity
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LM170E03
Power Supply Input Current
I
LCD
2. The current is specified at the maximum current pattern
Liquid Crystal Display
Product Specification
3. Electrical specifications
3-1. Electrical characteristics
The LM170E03-TLG3 requires two power inputs. One is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. Another which powers the CCFL, is typically generated by an inverter.
The inverter is an external unit to the LCD.
Table 2_1. ELECTRICAL CHARACTERISTICS
Parameter Symbol
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 4.5 5.0 5.5 Vdc
- 790 910 mA 1
- 950 1090 mA 2
Power Consumption P
Rush current I
Note :
1. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
3. The duration of rush current is about 2ms and rising time of power Input is 500us ± 20%.(min.).
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White : 255Gray
Black : 0Gray
LCD - 3.95 4.55 Watt 1
RUSH --3A3
is the frame frequency.
V
Values
=5.0V, 25 ± 2°C,fV=60Hz condition
LCD
.
Maximum current pattern
Unit Notes
Mosaic Pattern(8 x 6) Black Pattern
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Product Specification
Otherwise, the lamps may not be turned on.
The used lamp current is the lamp typical current.
l
diti
±
2°C
Table 2_2. ELECTRICAL CHARACTERISTICS
LM170E03
Liquid Crystal Display
Parameter Symbol
LAMP :
Operating Voltage VBL 628 640 745 V
Operating Current I
Established Starting Voltage Vs 1, 3
at 25 °C
at 0 °C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
Note : 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
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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.
※ Do not attach a conducting tape to lamp 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.
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BL 2.5 7.0 7.5 mA
fBL 40 60 70 kHz 4
Ts 3 Min 1, 5
PBL 17.90 19.70 W 6
Min Typ Max
50,000 Hrs 1, 7
Values
1000 V
1250 V
Unit Notes
RMS
RMS
RMS
RMS
1, 2
1
1. Specified values are for a single lamp.
2. Operating voltage is measured at 25 ± 2°C. The variance of the voltage is ± 10%.
3. The voltage above V
(Inverter open voltage must be more than lamp starting voltage.)
4. 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.
5. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
T
is the time required for the brightness of the center of the lamp to be not less than 95%.
S
6. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (P
7. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial
va
ue at the typical lamp current on con
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should be applied to the lamps for more than 1 second for start-up.
S
= VBLx IBLx N
BL
on of continuous operating at 25
Lamp
)
.
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Product Specification
p
py(gp)g
LM170E03
Liquid Crystal Display
8. The out
symmetrical current waveform (Unsymmetrical ratio is less than 10%). Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave.
Requirements for a system inverter design, which is intended to have a better display performance, a
better power efficiency and a more reliable lamp, are following.
It shall help increase the lamp lifetime and reduce leakage current.
9. The inverter which is combined with this LCM, is highly recommended to connect coupling(ballast)
condenser at the high voltage output side. When you use the inverter which has not coupling(ballast)
condenser, it may cause abnormal lamp lighting because of biased mercury as time goes.
10.In case of edgy type back light with over 4 parallel lamps, input current and voltage wave form should
be synchronized
ut of the inverter must have symmetrical(negative and positive) voltage waveform and
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within √2 ±10%.
* Inverter output waveform had better be more similar to ideal sine wave.
* Asymmetry rate:
I p
I -p
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|I
p–I–p
* Distortion rate
I
(or I–p)/I
p
|/I
rms
rms
x 100%
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LM170E03
Interface chip must be used LVDS, part No. SN75LVDS83 (Tx, Texas Instrument) or compatible
Table 3
RxO2
LVDS Signal of Odd Channel 2(
)
g
g(
)
27
Liquid Crystal Display
Product Specification
3-2. Interface Connections
.
This LCD employs a interface connection, a 30 pin connector is used for the module electronics interface.
Four 2pin connectors are used for the integral backlight system. The electronics interface connector is
a model IS100-L30B-C23 manufactured by UJU or 187024-30091 manufactured by P-TWO.
And mating connector is FI-X30H and FI-X30HL or it’s compatible manufactured by JAE.
The pin configuration for the connector is shown in the table 3 and the signal mapping with LVDS transmitter
is shown in the table 4.
. Module connector pin configuration
Pin No Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
28
29
30
RxO0RxO0+
RxO1RxO1+
RxO2+
GND
RxOCRxOC+
RxO3-
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RxO3+
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RxE0RxE0+
GND
RxE1RxE1+
GND
RxE2RxE2+
RxECRxEC+
RxE3RxE3+
GND
NC
NC
PWM_OUT
VCC
VCC
VCC
Description
LVDS Signal of Odd Channel 0(-)
LVDS Signal of Odd Channel 0(+)
LVDS Signal of Odd Channel 1(-)
LVDS Signal of Odd Channel 1(+)
LVDS Signal of Odd Channel 2(+)
Ground
LVDS Signal of Odd Channel Clock(-)
LVDS Signal of Odd Channel Clock(+)
LVDS Signal of Odd Channel 3(-)
LVDS Signal of Odd Channel 3(+)
LVDS Si
LVDS Signal of Even Channel 0(+)
Ground
LVDS Signal of Even Channel 1(-)
LVDS Signal of Even Channel 1(+)
Ground
LVDS Signal of Even Channel 2(-)
LVDS Signal of Even Channel 2(+)
LVDS Signal of Even Channel Clock(-)
LVDS Signal of Even Channel Clock(+)
LVDS Signal of Even Channel 3(-)
LVDS Signal of Even Channel 3(+)
Ground
No connection(For LCD internal use only)
No connection(For LCD internal use only)
PWM_OUT signal for control burst frequency of inverter
Power supply (5.0V Typ.)
Power supply (5.0V Typ.)
Power supply (5.0V Typ.)
nal of Even Channel 0(-)
First Pixel Data
Second Pixel Data
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#1 #30
)
IS100
L30B
C23
()
Rear view of LCM
1’st signal pairs
2’nd signal pairs
#1 #30
Product Specification
-
-
Power(5V
PWM signal
LM170E03
Liquid Crystal Display
[ Figure 4 ] Connector diagram
Notes: 1. All GND(ground) pins should be connected together and should also be
connected to the LCD’s metal frame.
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2. All V
3. All NC pins should be separated from other signal or power.
4. PWM_OUT signal controls the burst frequency of a inverter.
(power input) pins should be connected together.
CC
This signal is synchronized with vertical frequency,
it’s frequency is 3 times of vertical frequency, and it’s duty ratio is 50%.
If you don’t use this pin, it is no connection.
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