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REVISION HISTORY
Version Date Section Description
Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
Ver 3.0 Jan,08 ‘10
All M220Z1-L10 Specifications was first issuedΖ
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1. GENERAL DESCRIPTION
1.1 OVERVIEW
The M220Z1-L10 model is a 22 inch wide TFT-LCD module with a 2-CCFL Backlight Unit and a 30-pin
2ch-LVDS interface. This module supports 1680 x 1050 WSXGA
up to 16.7 millions colors. The inverter module for the Backlight Unit is not built in.
1.2 FEATURES
- Super wide viewing angle
- High contrast ratio
- Fast response time
- High color saturation (EBU Like Specifications)
- WSXGA
+
(1680 x 1050 pixels) resolution
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+
Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
(16:10 wide screen) mode and displays
- DE (Data Enable) only mode
- LVDS (Low Voltage Differential Signaling) interface
- Lower power consumption
- Halogen Free
1.3 APPLICATION
- Workstation & desktop monitor
- Display terminals for AV application
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note
Diagonal size 558.68 mm Active Area 473.76x296.1 mm
Bezel Opening Area 477.7 (H) x 300.1 (V) mm
Driver Element a-Si TFT active matrix - Pixel Number 1680 x R.G.B. x 1050 pixel Pixel Pitch 0.282(H) x 0.282(V) mm Pixel Arrangement RGB vertical stripe - Display Colors 16.7 millions color Transmissive Mode Normally White - Surface Treatment Hard coating (3H), AG (Haze 25%) - Module Power Consumption 17.71 Watt (2)
(1)
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Horizontal(H) 493.2 493.7 494.2 mm
Module Size
I/F connector mounting
Vertical(V) 319.6 320.1 320.6 mm
Depth(D) 16 16.5 17 mm
Weight - 2530 2580 g -
position
The mounting inclination of the connector makes
the screen center within ±0.5 mm as the horizontal.
- -
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(1)
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A
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Note (2) Please refer to sec.3.1 & 3.2 in this document for more information of power consumption.
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item Symbol
Storage Temperature TST -20 +60 ºC (1)
Operating Ambient Temperature TOP 0 +50 ºC (1), (2)
Shock (Non-Operating) S
Vibration (Non-Operating) V
LCD Cell Life Time L
Note (1) Temperature and relative humidity range is shown in the figure below.
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
Value
Min. Max.
- 50 G (3), (5)
NOP
- 1 G (4), (5)
NOP
50,000 - Hrs
CELL
Unit Note
MTBF
based
(a) 90% RH Max. (Ta Љ 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
Note (2) The temperature of panel surface should be 0 ºC Min. and 60 ºC Max.
10
Note (3) 50G,11 ms, half-sine wave, 1 time for ± X, ± Y, ± Z.
Note (4) 10 ~ 300 Hz, sweep rate 10 min / cycle , 30 min for X,Y,Z axis
Note (5) Upon the Vibration and Shock tests, the fixture used to hold the module must be firm and rigid
enough to prevent the module from twisting or bending by the fixture.
t Room Temperature
Side Mount Fixing Screw
Gap=3~5mm
Bracket
LCD Module
Side Mount Fixing Screw
Stage
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2.2 ELECTRICAL ABSOLUTE RATINGS
2.2.1 TFT LCD MODULE
Item Symbol
Power Supply Voltage Vcc -0.3 +5.5 V (1)
2.2.2 BACKLIGHT UNIT
Item Symbol
Lamp Voltage VL - 2.5K V
Lamp Current IL 3.0 8.0 mA
Lamp Frequency FL 40 80 KHz
Note (1) Permanent damage might occur if the module is operated at conditions exceeding the maximum
values.
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Value
Min. Max.
Value
Min. Max.
Unit Note
Unit Note
Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
(1), (2), IL = 7.5 mA
RMS
RMS
(1), (2)
Approval
Note (2) Specified values are for lamp (Refer to 3.2 for further information).
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max.
Power Supply Voltage Vcc 4.5 5.0 5.5 V Ripple Voltage VRP - -- 250 mV Rush Current I
AC off Rush Current I
- -- 3 A (2)
RUSH
- - 4 A (6)
off_RUSH
White - 630 819 mA (3)a
Power Supply Current
Power Consumption P
Black - 1170 1521 mA (3)b
= 75Hz,
f
V
Vcc=4.5V
lcc
- 1330 1729 mA (4)
- 5.85 7.605 Watt (5)
LCD
LVDS differential input voltage Vid 200 - 600 mV (7)
LVDS common input voltage Vic -- 1.2 -- V -
Above all conditions are VDD=5.0V, all black pattern at 75HZ.
Value
Unit Note
Approval
Note (1) The module is recommended to operate within specification ranges listed above for normal
function.
Note (2) Measurement Conditions:
+5.0V
R1
47K
Q1 2SK1475
FUSE
C3
1uF
Vcc
(LCD Module Input)
(High to Low)
(Control Signal)
SW
+12V
C1
1uF
VR1
R2
1K
47K
0.01uF
Q2
2SK1470
C2
Vcc rising time is 470μs
+5.0V
0.9Vcc
0.1Vcc
GND
470μs
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Note (3) The specified power supply current is under the conditions at Vcc = 5.0 V, Ta = 25 ± 2 ºC, fv = 60
Hz, whereas a power dissipation check pattern below is displayed.
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
Note (4) The specified power supply current is under the conditions at Vcc = 4.5 V, Ta = 25 ± 2 ºC, f
a. White Pattern
Active Area
Hz, whereas a power dissipation check pattern (Black Pattern) below is displayed.
Black Pattern
b. Black Pattern
Active Area
= 75
v
Note (5) The power consumption is specified at the pattern with the maximum current.
Note (6) The Rush Current would be happened when system doesn’t follow Power Sequence in AC off status.
Active Area
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≤≤≤
Note (7) Vid waveform condition
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
3.2 Vcc Power Dip Condition:
Dip condition:
Td
msTdVVccV20,5.40.4
Vcc
4.5V
4.0V
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3.3 BACKLIGHT UNIT
Parameter Symbol
Lamp Input Voltage VL 710 790 870 V
Lamp Current IL 3 7.5 8 mA
Lamp Turn On Voltage VS
Operating Frequency FL 40 60 80 KHz (3)
Lamp Life Time LBL 50000 - - Hrs (5) IL = 7.5mA
Power Consumption PL 10.68 11.86 13.04 W (4) IL = 7.5mA
Note (1)Lamp current is measured by utilizing high-frequency current meters as shown below:
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Value
Min. Typ. Max.
- - 1560(25°C)V
- - 1800(0°C) V
Unit Note
RMS
RMS
RMS
Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
I
(1)
RMS
(2)
(2)
= 7.5mA
L
LCD
Module
HV (Pink)
HV (Pink)
LV (White)
LV (White)
HV (Blue)
HV (Blue)
LV (Black)
LV (Black)
Current
Probe
1
1
2
2
1
1
2
2
A
A
Inverter
A
A
Current
Amplify
Oscilloscope
Measure equipment:
Current Amplify: Tektronix TCPA300
Current probe: Tektronix TCP312
Oscilloscope: TDS3054B
Ta = 25 ± 2 ºC
Note (2) The voltage that must be larger than Vs should be applied to the lamp for more than 1 second
after startup. Otherwise, the lamp may not be turned on normally. It is the value output voltage of
NF circuit.
Note (3) The lamp frequency may produce interference with horizontal synchronization frequency from the
display, which might cause line flow on the display. In order to avoid interference, the lamp
frequency should be detached from the horizontal synchronization frequency and its harmonics
as far as possible.
Note (4) P
= IL VL X 2CCFLs
L
Note (5) The lifetime of lamp can be defined as the time in which it continues to operate under the
condition Ta = 25 2
o
C and IL = 7.5 mArms until one of the following events occurs:
(a) When the brightness becomes Љ 50% of its original value.
(b) When the effective ignition length becomes Љ 80% of its original value.
(The effective ignition length is a scope that luminance is over 80% of that at the center point.)
Note (6) The waveform of the voltage output of inverter must be area-symmetric and the design of the
inverter must have specifications for the modularized lamp. The performance of the Backlight,
such as lifetime or brightness, is greatly influenced by the characteristics of the DC-AC inverter
for the lamp. All the parameters of an inverter should be carefully designed to avoid producing too
much current leakage from high voltage output of the inverter. When designing or ordering the
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inverter please make sure that a poor lighting caused by the mismatch of the Backlight and the
inverter (miss-lighting, flicker, etc.) never occurs. If the above situation is confirmed, the module
should be operated in the same manners when it is installed in your instrument.
The output of the inverter must have symmetrical (negative and positive) voltage waveform and
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. 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.
Requirements for a system inverter design, which is intended to have a better display performance, a
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
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 waveform should be 10% below;
b. The distortion rate of the waveform should be within Ѕ2 ± 10%;
c. The ideal sine wave form shall be symmetric in positive and negative polarities.
* Asymmetry rate:
I p
I -p
| I
* Distortion rate
I
– I –p | / I
p
(or I –p) / I
p
rms
rms
* 100%
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4. BLOCK DIAGRAM
4.1 TFT LCD MODULE
RXO0(+/-)
RXO1(+/-)
RXO2(+/-)
RXO3(+/-)
RXOC(+/-)
RXE0(+/-)
RXE1(+/-)
RXE2(+/-)
RXE3(+/-)
RXEC(+/-)
AGMODE
Vcc
GND
INPUT CONNECTOR
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LVDS INPUT /
TIMING CONTROLLER
DC/DC CONVERTER &
REFERENCE VOLTAGE
Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
SCAN DRIVER IC
TFT LCD PANEL
(1680x3x1050)
DATA DRIVER IC
VL
LAMP CONNECTOR
4.2 BACKLIGHT UNIT
(YEONHO 35001HS-02L)
BACKLIGHT UNIT
1 HV(Pink)
2 LV(White)
1 HV(Blue)
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set to low logic level or ground. Otherwise, this module would operate abnormally.
INPUT SIGNAL TIMING DIAGRAM
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Note (2) The input clock cycle-to-cycle jitter is defined as below figures. Trcl = I T1 – TI
Note (3) The SSCG (Spread spectrum clock generator) is defined as below figures.
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
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Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
6.2 POWER ON/OFF SEQUENCE
To prevent a latch-up or DC operation of LCD module, the power on/off sequence should be as the
diagram below.
Restart
Power On
Power Off
Power Supply
for LCD, Vcc
-
Interface Signal
(LVDS Signal of
Transmitter), V
-
Power for Lamp
I
Timing Specifications:
0.5< t1 Љ 10 msec
0 < t2 Љ 50 msec
0 < t3 Љ 50 msec
t4 Њ 500 msec
t5 Њ 450 msec
0V
0V
10%
90%
t1
t2
90%
Valid Data
t6 t5
50%50%
ONOFF OFF
t3
t7
10%
10%
t4
t6 Њ 90 msec
5 Љt7 Љ 100 msec
NoteΚ
(1) The supply voltage of the external system for the module input should be the same as the definition of Vcc.
(2) Apply the lamp voltage within the LCD operation range. When the backlight turns on before the LCD
operation of the LCD turns off before the backlight turns off, the display may momentarily become abnormal
screen.
(3) In case of VCC = off level, please keep the level of input signals on the low or keep a high impedance.
(4) T4 should be measured after the module has been fully discharged between power off and on period.
(5) Interface signal shall not be kept at high impedance when the power is on.
(6) CMO won’t take any responsibility for the products which are damaged by the customers not following the
Power Sequence.
(7) There might be slight electronic noise when LCD is turned off (even backlight unit is also off). To avoid this
symptom, we suggest "Vcc falling timing" to follow "t7 spec".
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7. OPTICAL CHARACTERISTICS
7.1 TEST CONDITIONS
Item Symbol Value Unit
Ambient Temperature Ta
Ambient Humidity Ha
Supply Voltage VCC 5.0 V
Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"
Inverter Current IL 7.5 mA
Inverter Driving Frequency FL 55 KHz
Inverter Logah MIT70070.50
7.2 OPTICAL SPECIFICATIONS
The relative measurement methods of optical characteristics are shown in 7.2. The following items should
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25±2
50±10
Issued Date: Jan.08, 2010
Model No.: M220Z1-L10
Approval
o
C
%RH
be measured under the test conditions described in 7.1 and stable environment shown in Note (6).