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SDI
SPECIFICATIONS
106cm (42 Inch) Wide Plasma Display Module
MODEL : S42SD-YD01
(PAL/NTSC)
x This specification will be approved by both Creative Technology Ltd and Samsung SDI
Co.,Ltd.
* Please return one of this specification with your signature for approval.
Proposed by: Approved by:
Signature Signature
Manager
Customer Quality Group,
PDP Business Division,
Samsung SDI CO.,LTD
CONFIDENTIAL Spec. Rev. : Version 3
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SAMSUNG SDI CO.,LTD.
Document: VSC-PRO-FSPPDP-01
Version # 1.0
Date: November 20, 2000
Version 3 2/2 16/OCT/02
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Revision History
Revision Date Description Of Changes Approval
0 14.Feb.2002 Newly established
- Display Performance(6p)
1 07.May.2002 - Brightness Variation Specification(11p)
- Input Signal Specifications(13-14p)
2 25.June.2002 - Input Power Voltage Specification(20-22p)
3 16.October.2002 - Input Power Specification(21p)
Version 3 3/2 16/OCT/02
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TABLE OF CONTENTS
1 DESCRIPTION ............................................................................................. .4
2 FEATURES ....................................................................................................4
3 PRODUCT NAME AND MODEL NUMBER.......... ...............................................4
4 FUNCTION OUTLINE .....................................................................................4
5 BLOCK DIAGRAM .........................................................................................5
6 DISPLAY CHARACTERISTICS................................................................6
6.1 Display Performance ...................................................................................................6
6.2 Display Cell Arrangement ...........................................................................................7
6.3 Brightness Measurement Condition .................................................................................8
6.4 Contrast Measurement Condition ....................................................................................9
6.5 Display Cell defect specification. ....................................................................................10
6.6 Brightness Variation Specification ..................................................................................11
7. MECHANICAL CHARACTERISTICS.................................................................12
7.1 Mechanical Specification..............................................................................................12
7.2 Mechanical Characteristics............................................................................................12
8. ENVIRONMENTAL CONDITION ......................................................................12
8.1 Recomended Environment Condition ...............................................................................12
9. INTERFACE SPECIFICATION .........................................................................13
9.1 Input Signal Specification ...........................................................................................13
9.2 Input Power Voltage Specification ................................................................................19
10. APPENDIX ......................................................................................................25
10.1. Mechanical Dimensions Drawing Front Side ...................................................................25
10.2. Mechanical Dimensions Drawing Rear Side ...................................................................26
11. RELIABILITY ................................................................................................ .......... 27
11.1 MTBF ...................................................................................................................27
11.2 Expected ServiceLife.................................................................................................27
12. WARNINGS/ CAUTIONS / NOTICE....................................................................28
12.1 Warning.................................................................................................................28
12.2 Caution..................................................................................................................29
12.3 Notice....................................................................................................................30
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1. DESCRIPTION
The S42SD-YD01 is a 42-inch wide full color plasma display module with a resolution of
852(H) 480(V) pixels. The display module includes Display Panel, Panel driving
electronics, Logic controller and Power supply .
2. FEATURES
x Wide aspect ratio(16:9) 42 inch diagonal display screen. The display screen is 920
wide and 518 high.
x Slim and light weight. The display module is 71 in depth and 22.5 in weight.
x 16.77 million colors by combination of 8 bits R,G and B digital data
x High brightness, High contrast, Wide viewing angle. The screen has a white
peak brightness of Typical 500cd/ , contrast of Typical 550:1 and a viewing angle of
greater than 160 comparable to that achievied with CRTs.
3. PRODUCT NAME AND MODEL NUMBER
x Product name : 42-inch Full Color Plasma Display Module
(abbreviation : PDP Module)
x Model number : S42SD-YD01
4. FUNCTION OUTLINE
x The plasma display module has APC(Automatic Power Control) function which restrict
power consumption within certain value without regard to display load ratio.
x The plasma display module is operated at 50HZ or 60Hz frame rate. It is required
external frame rate conversion in order to display the other formats.
x The plasma display module is made up of 4 types of input power voltages; Voltage for
operating Logic, Voltage for FET driver, Voltage for Column driver, and Voltage for
Display driver.
x The plasma display module is operated at progressive signal only.
It is required external progressive scan conversion in order to display the other formats.
x The plasma display module requires 90~240V, 50~60Hz of input power voltage
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5. BLOCK DIAGRAM
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6. DISPLAY CHARACTERISTICS
6.1 Display Performance
No Item Rating
Horizontal 852 Vertical 480 pixels
1 Display Pixels
(1 pixel = 1 R,G,B cells)
2 Display Cells Horizontal 2556 Vertical 480 cells
3 Pixel Pitch Horizontal 1.08 Vertical 1.08
4 Cell Arrangement R,G,B Stripe
Horizontal 920.16 Vertical 518.4
5 Effective Display Size
[ 36.23 inch (H) 20.41 inch (V) ]
6 Number of Color 16.77 million colors
Brightness *1
7 Typical 500cd/ (module, LVDS input)
(Peak Brightness)
Contrast Ratio *2
8 Typical 550:1
(in dark room)
White X = 0.285 0.03, Y = 0.290 0.03
Chromaticity Coordinates Red X= 0.645 0.03, Y= 0.345 0.03
9
(Typical Value) Green X= 0.250 0.05, Y= 0.665 0.04
Blue X= 0.155 0.04, Y= 0.090 0.04
10 Viewing Angle *3 Over 160
(Note)
* 1. Brightness and Color Coordinates are the value that measured with 1% load ratio white
pattern. The condition for measurement is shown in Figure-3.
* 2. Contrast Ratio is calculated from the display brightness and the non-display brightness
value, and display condition is shown in Figure-3.
* 3. Viewing angle is the critical angle at which the brightness is reduced to 50% to the
brightness perpendicular to the PDP unit.
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6.2 Display Cell Arrangement
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6.3 Brightness Measurement Condition
(1) Display Pattern
(2) Display Area ratio : 1% white window
(3) Vsync : 16.7msec
(4) Measuring equipment : MINOLTA CA-100
(5) Ambient Temperature : Room Temperature
(6) Ambient Light : dark Room (<2 lux)
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6.4 Contrast Measurement Condition
(1) Measurement point
.
(2) Vsync : 16.7 msec
(3) Measuring Equipment : MINOLTA CA-100
Pattern Generator(VG-828, LVDS Output).
(4) Contrast Calculation fomula
Brightness of 1% white window Area at the center of the screen
Contrast ratio
Brightness of black Area *1
Note
1. For mass production test purposes, it is recommended to measure just 1 point,
P1 of Figure.-4 on display pattern of Fig.-3.
(5) Ambient Light : Dark Room (<2 lux)
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6.5 Display Cell Defect Specification
In some cases, a panel may have defective cells that cannot be controlled.
These defective cells can be categorized into three types;
(1) Non-lighting cell defect : defect in which the cell is always off
(2) Non-extinguishing cell defect : defect in which the cell is always on
(3) Flickering cell defect : defect in which the cell is flickering
The display cell defect specifications define the allowed limits for display cell defects and are
used as the criteria in determining wether a panel is shipped.
Specification
Item
Number of cell defects Distance between cell defects
Non-lighting z Zone A: 4 and less
cell defect z Zone B: 10 and less
Non-
z Zone A: 1 and less
extinguishing
z Zone B: 3 and less Regardless of A and B zone,
cell defect
The Distance between cell defects is over 10mm.
Flickering z Zone A: 1 and less (single R,G,B and Black)
cell defect z Zone B: 3 and less
Total number of cell defects
Total defect Zone A and B
is 12 and less
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6.6 Brightness Variation Specification
The color-PDP uses ultraviolet light produced by gas discharge to illuminate phosphor.
Uneven phosphor coating and inconsistent discharge characteristics cause slight difference
in brightness among the sections in a panel.
The brightness variation specifications define the allowed limits for brightness differences
and the criteria in determining whether a panel is shipped.
Item Definition Specification
The brightness is measured at 9 points (A1~A9 of Fig-6)
Full white
on full white pattern. 10% and less
brightness
The full white brightness variation as then calculated
variation
from the following equations.
The Chromaticity Coordinates on Full white window;
Color Chromaticity Coordinates is measured at 9 points (A1~A9 x 0.015(average)
variation of Fig-6) on full white pattern y 0.015(average)
Max x x Min
u 100% u 100%
x x
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7. MECHANICAL CHARACTERISTICS
7.1 Mechanical Specifications
No Item Rating
1 Outer Width 1019.2 Height 616 Thickness 71
Dimensions *see Appendix A1, A2 (Mechanical Dimensions Drawing)
2 Weight Approx. 22.5 kg
7.2 Mechanical Characteristics
No Item Rating
Frequency : 10 to 55Hz
Sweep rate : 1minute/octave
1 Vibration Stroke : x,y direction : 0.35
z-direction : 0.175
Applied time : 30minutes/dir.
Acceleration : less than 20G (X,Y-direction)
2 Shock less than 10G (Z-direction)
Test time : 11 ms
Notes: ( Test condition ) Non-Packaging, Non-Operational
8. ENVIRONMENTAL CONDITIONS
8.1 Recommended Environment Condition
No. Item Rating
Operational 0 to 50
Temperature Storage -15 to 60
1 Temperature Slope 1.5 /minute max.
* MAXIMUM GLASS SURFACE TEMPERATURE MUST BE KEPT LESS THAN 80
Operational 20 to 70 % RH (no condensation)
2 Humidity
Storage 20 to 80 % RH (no condensation)
Operational 800 to 1114 hPa (Altitude : 0 to 2,000 m)
3 Pressure
Storage 600 to 1114 hPa (Altitude : 0 to 4,500 m)
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9. INTERFACE SPECIFICATIONS
9.1 Input Signal Specifications
* The Location No. is possible to change to PBA Revision
(1) Input signal name and Pin assignment
Note
1. LA3 connector is located in Logic Board.
2. Pin to Pin pitch of connector LA3 is 0.625 .
3. Connector LA3(parts #:1554A-3141R ) is supplied by UJU
Electronics. This Item is compatible with FI-WE*P.HF (JAE, JAPAN)
4. The length of mating cable to LA3 is recommended to be not longer than 25.0 .
5. Pin numbering order : right to left view from component side of Logic Board.
6. Reserved for factory use only. This pin should be disconnected in case of customer's use.
This pin is output pin. In case of fan failure, this signal becomes high.
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z
SCALER BOARD LVDS LOGIC BOARD LVDS
(DS90C385) (DS90CF386) SIGNAL
NAME
PIN # PIN NAME PIN # PIN NAME
31 TxCLKIN 26 RxCLKOUT DCLK
51 TxIN0 27 RxOUT0 R0(LSB DATA)
52 TxIN1 29 RxOUT1 R1
54 TxIN2 30 RxOUT2 R2
55 TxIN3 32 RxOUT3 R3
56 TxIN4 33 RxOUT4 R4
2 TxIN5 34 RxOUT5 R7(MSB DATA)
3 TxIN6 35 RxOUT6 R5
4 TxIN7 37 RxOUT7 G0
6 TxIN8 38 RxOUT8 G1
7 TxIN9 39 RxOUT9 G2
8 TxIN10 41 RxOUT10 G6
10 TxIN11 42 RxOUT11 G7(MSB DATA)
11 TxIN12 43 RxOUT12 G3
12 TxIN13 45 RxOUT13 G4
14 TxIN14 46 RxOUT14 G5
15 TxIN15 47 RxOUT15 B0(LSB DATA)
16 TxIN16 49 RxOUT16 B6
18 TxIN17 50 RxOUT17 B7(MSB DATA)
19 TxIN18 51 RxOUT18 B1
20 TxIN19 53 RxOUT19 B2
22 TxIN20 54 RxOUT20 B3
23 TxIN21 55 RxOUT21 B4
24 TxIN22 1 RxOUT22 B5
25 TxIN23 2 RxOUT23
27 TxIN24 3 RxOUT24 Hsync
28 TxIN25 5 RxOUT25 Vsync
30 TxIN26 6 RxOUT26 D_EN
50 TxIN27 7 RxOUT27 R6
Note
1. LVDS Chip is supplied by National Semiconductor.
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(2) Interface Circuit Diagram
:
:
(3) Input signal Timing specification
(3-1) PAL System
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Symbo TIMING Unit Remark
l
Minimum Typical Maximum
TVSYNC 19.5 20.0 20.5 ms Frame Frequency : 50Hz Typical
tWV 1 1 4 H*1
tVH 3 3 H*1
tHV 1 97 H*1
THSYNC 28.5 34.46 34.46
tWH 4 8 16 D
tHC 16 22 D
tCH 16 22 D
TCLK 34 38.5 38.5 ns
tWCLK1 15 TCLK/2 TCLK-15 ns
tWCLK2 15 TCLK/2 TCLK-15 ns
tSUD 10 ns
tHD 10 ns
Notes :
1. 1H = One cycle of Horizontal sync signal(=THSYNC)
2. 1D = One cycle of Dot clock signal(=TCLK)
3. If input display data in a horizontal period is 852 and less, the incorrect image is displayed
(1) Electrical characteristics of Input signal
Value
No. Items Symbol Condition Unit
min. typical max.
Input Voltage:
LVDS Level
1 -
1) "H" Level VIH 2.0 - 5.25 V
2) "L" Level VIL -0.5 - 0.8 V
Input Current:
LVDS Level
VI =2.75V
2 1) "H" Level IIH - - 1 mA
VCC =5.25V
VI =0.4V
2) "L" Level IIL - - 1 mA
VCC =5.25V
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(3-2) NTSC System
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Symbo TIMING Unit Remark
l
Minimum Typical Maximum
TVSYNC 16.2 16.7 17.2 ms Frame Frequency : 60Hz Typical
tWV 1 1 4 H*1
tVH 3 3 H*1
tHV 1 1 H*1
THSYNC 28.5 34.46 34.46
tWH 4 8 16 D
tHC 16 22 D
tCH 16 22 D
TCLK 34 38.5 38.5 ns
tWCLK1 15 TCLK/2 TCLK-15 ns
tWCLK2 15 TCLK/2 TCLK-15 ns
tSUD 10 ns
tHD 10 ns
Notes :
1. 1H = One cycle of Horizontal sync signal(=THSYNC)
2. 1D = One cycle of Dot clock signal(=TCLK)
3. If input display data in a horizontal period is 852 and less, the incorrect image is displayed
(1) Electrical characteristics of Input signal
Input Voltage:
LVDS Level
1 -
1) "H" Level VIH 2.0 - 5.25 V
2) "L" Level VIL -0.5 - 0.8 V
Input Current:
LVDS Level
2 1) "H" Level IIH VI =2.75V - - 1 mA
VCC =5.25V
2) "L" Level IIL VI =0.4V - - 1 mA
VCC =5.25V
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9.2 Input Power Voltage Specifications
(1) Input Power Connector Location
Note
1. Layout Schematic is viewed from back side of PDP Module.
Input Power Connector is denoted as
3. The Input Power Connector in Y-Drive Board is named as "SY".
4. The Input Power Connector in X-Drive Board is named as "SX".
5. The Input Power Connector in Logic Board is named as "SL".
. The Input Power Connector in Column Drive Board is named as "BUFFER".
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(2) Input Power Voltage Source and Pin Assignment
Caution : If you would controll at will(not in spec), SMPS may operate `protection' mode.
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(3) Input Power Specification
Note
1. Typical Voltage of Va and Vs varies depending on Display Panel
2. More detail specification is described in next page.
3. `9Vcc' is same `V9A' pin. in `SA' connector.
4. `12Vcc' is same `V12(A)' in `SA' connector or `V12A' in `AUDIO' connector.
5. 12Vsp is same `VAMP' pin in `AUDIO' connector.
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(4) Detail Input Power Specification
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(5) Protection
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(10) Power Applying Sequence
(This Sequence is applicated only for Danam communication's SMPS)
Vcc applied Vdd applied Vs applied Va applied
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10. Appendix
10.1. Mechanical Dimensions Drawing Front Side
.
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10.2. Mechanical Dimensions Drawing Rear Side
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11. RELIABLITY
11.1 MTBF Value
Mean Time Between Failure is dependent on overall PDP module design.
MTBF : 20,000hours (environmental temperature : 25 )
11.2 Expected Service Life
#1. Definition
The expected service life is defined by the following two categories.
And the life time is defined by the reached time either (1) or (2).
(1) The white color brightness level becomes half (50%) of its initial value, which is
determined by the phosphor characteristics.
(2) The number of display cell deffects increases to double the specification value, which
is depending on the discharge characteristics.
#2. Test condition and life time
The expected service life time differs with display conditions as below.
(1) Full screen white color display
Life time : 30,000 hours (this is not the guaranteed life)
* Test condition : 8Hr/Day
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12. WARNING / CAUTION / NOTICE
TO PREVENT POSSIBLE DANGER, DAMAGE, AND BODILY HARM, PLEASE
CONSIDER AND OBSERVE ALL WARNINGS AND CAUTIONS CONTAINED IN
THIS PARAGRAPH.
12.1 Warning
If you don't consider the following warnings, it could result in death or serious injury
(1) The PDP module is controlled by high voltage about 350V. If you need to handle the
module during operation or just after power-off, you must take proper precautions
against electric shock and never touch the drive circuit portion and metallic part of PDP
module.
The capacitors in the drive circuit portion remain temporarily charged even after the
power off. After turning off the power, you must be sure to wait at least one minute
before touching the module. If the remain voltage is strong enough, it could result in
electric shock.
(2) Do not use any other power supply voltage than the specified voltage in this product
specifications. If you use deviated power voltage from the specifications, it could result
infire hazard or product failure.
(3) Do not operate or install under the deviated surroundings from the environmental
specification such as in moisture or rain; near water-for example, bath tub, laundary tub,
kitchen sink; in a wet basement; or near a swimming pool; and also near fire or heater -
for example, near or over radiator or heat resistor; or where it is exposed to direct
sunlight; or somewhere like that. If you use the PDP module in places above, it could
result in electric shock, fire hazard or product failure.
(4) If any foreign objects (e.g. water, liquid and metallic chip or dust) entered the PDP
module, the power supply voltage to the PDP module must be turned off immediately.
Also, never push objects of any kind into the PDP module as they may touch dangerous
voltage point or make short circuits that could result in fire hazard or electric shock.
(5) If smoke, offensive smell or unusual noise should come from the PDP module, the
power supply voltage to the PDP module must be turned off immediately.
Also, when the PDP screen cannot display any picture after the power-on or during
operation, the power supply must be turned off immediately. Never continue to operate
the PDP module under these conditions.
(6) Do not disconnect or connect the PDP module's connector while the power supply is on,
or just after power off. Because the PDP module is operated by high voltage, and the
capacitors in drive circuit remain temporarily changed even after the power is turned off.
If you need to disconnect or connect it, you have to wait at least one minute after power
off.
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(7) Do not disconnect or connect the power connector by wet hand. The voltage of the
product may be strong enough to cause an electric shock.
(8) Do not damage the power cable of the PDP module, also do not modify it.
(9) When the power cable or connector is damaged or frayed, do not use it.
(10) When the power connector is covered with dust, please wipe it with a dry cloth before the
power on.
12.2 Caution
If you don't consider the following cautions, it may result in personal injury or damage to a
propertied facilities.
(1) Do not set the PDP module on an unstable place, vibrating place and inclined place. The
PDP module may fall or drop, and it may cause serious injury to a person, and serious
damage to the product.
(2) If you need to remove the PDP module to another place, you must turn off the power supply
and detach the interface cable and power cable from the PDP module, and watch your steps
during the work. If the cable has a damage, it may result in fire hazard or electric shock.
Also if the PDP module drop or fall, it may result in personal injury
(3) When you draw or insert the PDP's cable, you must turn off the power supply and do it with
holding the connector. If you draw the cable, the electric wire in the cable is exposed or
broken. It may result in fire hazard or electric shock.
(4) When you carry the PDP module, you must do it by two workers in order to avoid
unexpected accidents.
(5) The PDP module has a glass-plate. If the PDP module is inflicted with excessive stress -
for example; shock, vibration, bending and heat-shock, the glass plate could break. It may
result in personal injury. And also, do not press or strike the glass surface.
(6) If the glass panel was broken, do not touch it with bare hand. It may result in a cut injury.
(7) Do not place any object on the glass panel. It may be the cause of the scratch or break
the glass panel.
(8) Do not place any object on the PDP module. It may result in personal injury due to fall or
drop.
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12.3 Notice
When you apply the PDP module to your system or handling it, you must make sure to follow
the notices described below.
Notice to your system design
(1) The PDP module radiates the infrared rays of between 800 and 1000 . It may bring a miss
operation to the IR-remote controller or another electric system. Please consider to provide the
IR absorb filter in your system, and to take enough evaluation.
(2) The PDP module has high-voltage switching circuit and high-speed clock circuit. Therefore,
you have to apply and evaluate the EMC consideration in your system.
(3) The PDP module has a glass plate. In your mechanical design, please consider to avoid a
excessive shock and stress to the glass surface. Also be careful not to demage the tip-tube at
the corner of glass plate. If the glass plate and tip-tube are demaged, the PDP module may fail.
(4) In your system, for your safety, please consider that remain voltage of the PDP module
should be leaked immediately after power-off.
(5) As the PDP module generates heat during operation, please consider the well-radiation and
well-ventilation in your system design. The PDP module may be defected on the usage out of
specified ambient temperature.
(6) The ventilation design in your system should be considered to provide the moisture-proof
and dust proof because the PDP module has high-density dielectric parts with high-voltage.
If the driver circuit has condensation or dusts, it may cause a short circuit or dielectric
breakdown.
(7) If the PDP module displays a fixed pattern on the screen for extended periods of time, it
could make the differences of brightness and chromaticity between fixed pattern area and
other areas. This is because the brightness of fixed pattern area becomes lower than the
other areas due to degrading of the phosphor, but this phenomenon is not failure,.
On the other hand, when the display pattern is changed, the areas where were illunminated
may remain temporarily (few minutes) their brightness.
This phenomenon is a characteristic of color PDP itself due to activation of the discharge
surface in the PDP panel, and also it is not abnormal.
If you have a intention to display the fixed pattern, the screen-saver technic should be
applied to your systems in order to minimize image retention.
(8) The PDP module is not intended for use with equipments which require extremely high
reliability such as aerospace equipments, nuclear control systems or medical equipments
for life support.
(9) Based on the requirements of the safty standard (UL, EN etc.), be sure to add the filter that
come up to the impact test to the glass plate.
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Notice to the operation and handling of the PDP module.
(1) To prevent defect or failure, please check the cable connections and power-supply condition
before power-on.
(2) The PDP module is controlled by high voltage. Not only during operation but also
immediately after power-off, never disconnect or connect the PDP module's connector
because it may result in failure. If you need to disconnect or connect, you have to wait at
least one minute after power-off.
(3) The PDP module is equipped with various protection circuits that automatically stop the
module operation if an interface signal or the power voltage becomes abnormal during
operation. If the PDP module stop suddenly during operation, please check the conditions of
input signal and power source before restart.
(4) For protection of the circuit, if the abnormal situation is occured, the high output voltage
will be shut downed by watching the input voltage (Vs/ Va/ Vcc) internally. In this case,
the module power resetting is necessary to recover.
There are also fuses in the Vs and Va power supply system to prevent smoking and firing by
the excessive current. The protection function of the address driver by keeping watch for the
internal current is provided in the Va power supply system. Therefore the number of sub-
frames decreases to a proper value when the Ia current exceeds a constant value occasionally.
(5) If the abnormal situation such as disconnecting of the input connector is occurred, this
module will be on stan-by which high output voltage is stopped even if an external power is
supplied. If a normal signal is input after this, normal operation state, operations will start
again by re-inputting a normal signal. However it is necessary to rest th module power when
tVH and/or tHV are less than the minimum value provide with specification
(6) To ensure reliable operation of the PDP module and to protect it from overheating, never
wrap or cover it with a cloth or like a sheet during power-on period. Also, never place the
PDP module in a confined space or any other places of poor ventilation.
(7) If you continue to watch the PDP screen for a long time, your eyes become fatigued. It is
necessary to rest your eyes occasionally.
(8) The PDP screen is controlled with the display-data signals and synchronized signals. If noise
interferes with those signals, the PDP screen could become unstable and, in some case, would
be led to failure. Do not place any equipment that generates exessive EMI/RFI noise near the
interface cable of the PDP module, and keep the cables as short as possible.
(9) Be careful not to break the glass panel when you handle the PDP module. Also, when
handling the PDP module, you must wear gloves or other hand protection to prevent injuries
that can occur if the glass panel breaks.
(10) The glass panel section and drive circuit section of the PDP module are closely connected
and functioned as a pair. If the module is arbitrarily recombined, restructured, or
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disassembled, SDI will not be responsible for the fuction, quality, or operational integrity of
the modified module. Do not recombine, restructure, or disassemble it.
(11) To avoid possible electric shock, you must make sure the power supply voltage of PDP
module is turned off before cleaning. To clean the PDP's glass panel, apply water or a
natural detergent to a piece of soft cloth or gauze, and wring the cloth tightly before wiping
the screen. Make sure that no water contacts the connecting terminals on the side of the glass
panel. Never use chemical solvents, such as paint thinner or benzene, to clean the glass
panel.
(12) The drive circuit section of PDP module uses C-MOS intergrated circuits that must be
protected from static electricity. Therefore when transporting or delivering the module, be
sure to put the module in an antistatic bag. When handling the PDP module, take adequate
grounding precautions to prevent static electricity.
(13) When delivering or transporting the PDP module, you must take special precautions because
excessive vibration or shock sould not be applied to it. If the module is dropped or if
excessive vibration or shock is applied, the glass panel of the PDP module may be broken
and the drive circuit may become damaged. The packing for delivering or transporting
should be made with tough structure.
(14) When storing the PDP module, you must select an environmentally controlled place. Avoid
any environmet in which the temperature or humidity exceeds specification values. If you
are storing it for a long period of time, you must place the module together with a
dehumidifying agent, such as sillica gel, in a moisture-proof bag and keep it in an
environmentally controlled place.
(15) The PDP module is composed of many kind of materials such as glass plate, metals and
plastics. When you dispose it, you must ask a qualified service technician.
Notice of the PDP module performance
The PDP module is the newest display device utilized the gas discharge technology and digital
signal processing technology, and its performances are mostly similar to the CRT's.
However, some display performances of the PDP module is different from the CRT's.
Please consider the following notices when you see the PDP screen.
(1) There is a slight Neon luminence shown outside of the effective display area on the glass
panel. Mask this parts so that it may not be seen on the display surface.
(2) Depending on the type and time of usage, there may be a slight change in the brightness and
color. There may be an increase of both X-value and Y-value by 0.05 maximum in
chromaticity. In this case, adjust it using external data signal.
(3) Because the PDP module uses phosphor to emit light, the phosphor, like a CRT, deteriorates
in proportion to display signal and brightness settings. If the same pattern is displayed
continuously (fixed display) for an extended of time, the brightness of that area will be
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decreased over non-lit areas due to the fact that the discharge surface will be more activated
compared to other areas.
(4) The PDP module is possible to be operated by plural Vsync; 50 , 60 that is called Multi-
Vsync function. And the PDP screen is scanned according to each frequency, and also PDP's
subframes to display the grayscale is arranged in this Vsync period. Due to this reason, at the
low frequency operation especially 50 , you may sometimes find the flickering in the screen .
But this is not a failure.
(5) When the Vsync signal timing becomes shorter just after the changing of Vsync frequency
(e.g. from 50 to 60H) depend on Multi-Vsync function, an initial Vsync signal of the
changed frequency will be ignored and the PDP screen will be interrupted for maximum 1
frame period.
(6) Because the PDP module is a digital processing display devices, this module is equipped with
Error diffusion technology and Duplicated Sub-Frame method to display the grayscale and
false contour improvement. However, you may sometimes find a color false contour
especially in human face contour at moving picture due to difference of display performance
compared with the TV-tube.
(7) If the PDP module displays some video test pattern that are mostly used in a laboratory or
inspection process of the manufacturing facilities, you may find the following subjects. But
these sujects should not be recognized in the failure or defects because the display
performance of the PDP module is equipped with Error diffusion technology and Duplicated
Sub-Frame method based on digital processing technique.
Linearity in the grayscale test pattern
If the PDP module displays the grayscale test pattern (e.g. white color brightness is
gradually changed horizontally or vertically) in a screen, you may find the disparity of
brightness at adjacent grayscale patterns. This behavior is caused by duplicated sub-frame
condition, display load correction and electroad dependency.
Color contouring and dithering at the stationary picture
If the stationary picture such as a human face or the like is shown in the PDP screen, you
may feel some unstable noise at the contour area. This behavior is called the color
contouring or dithering, and is caused by the error diffusion condition, display load
correction and electroad dependency.
(8) If the PDP module is operated under inadeqate conditions or harsh environment, the screen
may become unstable or noisy. This instability is mostly related to ambient temperature, air
pressure, input signal instability (include signal noise), input power voltage and strong
magnetic field like a MRI/NMR application or superconducting magnetic application. Please
don't apply the PDP module to inadequate conditions or harsh environment mentioned above.
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