The Copyright to this document belongs to NEC LCD Technologies, Ltd. (hereinafter called "NEC").
No part of this document will be used, reproduced or copied without prior written consent of NEC.
NEC does and will not assume any liability for infringement of patents, copyrights or other intellectual
property rights of any third party arising out of or in connection with application of the products
described herein except for that directly attributable to mechanisms and workmanship thereof. No license,
express or implied, is granted under any patent, copyright or other intellectual property right of NEC.
Some electronic parts/components would fail or malfunction at a certain rate. In spite of every effort to
enhance reliability of products by NEC, the possibility of failures and malfunction might not be avoided
entirely. To prevent the risks of damage to death, human bodily injury or other property arising out
thereof or in connection therewith, each customer is required to take sufficient measures in its safety
designs and plans including, but not limited to, redundant system, fire-containment and anti-failure.
The products are classified into three quality grades: "Standard", "Special", and "Specific" of the
highest grade of a quality assurance program at the choice of a customer. Each quality grade is designed
for applications described below. Any customer who intends to use a product for application other than
that of Standard quality grade is required to contact an NEC sales representative in advance.
The Standard quality grade applies to the products developed, designed and manufactured in
accordance with the NEC standard quality assurance program, which are designed for such application as
any failure or malfunction of the products (sets) or parts/components incorporated therein a customer uses
are, directly or indirectly, free of any damage to death, human bodily injury or other property, like general
electronic devices.
Examples: Computers, office automation equipment, communications equipment, test and measurement
equipment, audio and visual equipment, home electronic appliances, machine tools, personal
electronic equipment, industrial robots, etc.
The Special quality grade applies to the products developed, designed and manufactured in accordance
with an NEC quality assurance program stricter than the standard one, which are designed for such
application as any failure or malfunction of the products (sets) or parts/components incorporated therein a
customer uses might directly cause any damage to death, human bodily injury or other property, or such
application under more severe condition than that defined in the Standard quality grade without such
direct damage.
Examples: Control systems for transportation equipment (automobiles, trains, ships, etc.), traffic control
systems, anti-disaster systems, anti-crime systems, medical equipment not specifically
designed for life support, safety equipment, etc.
The Specific quality grade applies to the products developed, designed and manufactured in accordance
with the standards or quality assurance program designated by a customer who requires an extremely
higher level of reliability and quality for such products.
Examples: Military systems, aircraft control equipment, aerospace equipment, nuclear reactor control
systems, medical equipment/devices/systems for life support, etc.
The quality grade of this product is the "Standard" unless otherwise specified in this document.
6.3.4 Other .......................................................................................................................................... 27
Color LCD module NL8060BC31-27 and NL8060BC31-27D are composed of the amorphous silicon
thin film transistor liquid crystal display (a-Si TFT LCD) panel structure with driver LSIs for driving
the TFT (Thin Film Transistor) array and a backlight.
The a-Si TFT LCD panel structure is injected liquid crystal material into a narrow gap between the
TFT array glass substrate and a color-filter glass substrate.
Color (Red, Green, Blue) data signals from a host system (e.g. signal generator, etc.) are modulated
into best form for active matrix system by a signal processing circuit, and sent to the driver LSIs
which drive the individual TFT arrays.
The TFT array as an electro-optical switch regulates the amount of transmitted light from the
backlight assembly, when it is controlled by data signals. Color images are created by regulating the
amount of transmitted light through the TFT array of red, green and blue dots.
1.2 APPLICA TION
• For industrial use
1.3 FEATURES
• High luminance
• High contrast
• Wide viewing angle
• Wide temperature range
• 6-bit digital RGB signals
• Reversible-scan direction
• Edge light type (without inverter)
• Replaceable lamp for backlight
• Acquisition product for UL60950-1/CSA C22.2 No.60950-1-03 (File number: E170632)
• Difference between NL8060BC31-27 and NL8060BC31-27D
Polarizer surface
• Compliance with the European RoHS directive (2002/95/EC)
(From product which was produced after April. 1, 2006)
NL8060BC31-27/27D
NL8060BC31-27 NL8060BC31-27D
Clear Antiglare
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2. GENERAL SPECIFICATIONS
Display area
Diagonal size of display
Drive system
Display color
Pixel
Pixel arrangement
Dot pitch
Pixel pitch
Module size
Weight
Contrast ratio
NL8060BC31-27/27D
246.0 (H) × 184.5 (V) mm (typ.)
31cm (12.1 inches)
a-Si TFT active matrix
262,144 colors
800 (H) × 600 (V) pixels
RGB (Red dot, Green dot, Blue dot) vertical stripe
• Horizontal: Right side 70° (typ.), Left side 70° (typ.)
• Vertical: Up side 45° (typ.), Down side 55° (typ.)
At DPS= Low or Open: Normal scan
• Viewing direction without image reversal: up side (12 o'clock)
• Viewing direction with contrast peak: down side (6 o'clock)
• Viewing angle with optimum grayscale (γ=2.2): normal axis
NL8060BC31-27 Clear
NL8060BC31-27D
3H (min.) [by JIS K5400]
At LCD panel center
40% (typ.) [against NTSC color space]
Ton+Toff (10%
33ms (typ.)
At IBL= 5.0mArms / lamp
400cd/m
6-bit digital signals for data of RGB colors,
Dot clock (CLK), Data enable (DE),
Horizontal synchronous signal (Hsync),
Vertical synchronous signal (Vsync)
LCD panel signal processing board: 3.3V or 5.0V
Edge light type: 2 cold cathode fluorescent lamps
Replaceable part
Recommended inverter (Option)
2
(typ.)
• Lamp holder set: Type No. 121LHS18
• Inverter: Type No. 121PW181
←→
≥
10:1
90%)
Antiglare
Power consumption
At IBL=5.0mArms / lamp, Checkered flag pattern
6.4W (typ., Power dissipation of the inverter is not included.)
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k
3. BLOCK DIAGRAM
Host
LCD module (Product)
R0 to R5
G0 to G5
B0 to B5
200Ω
200Ω
200Ω
CLK
Hsync
Vsync
DE
47Ω
200Ω
200Ω
200Ω
DPS
GND
Note1
Note2
VCC
Fuse
FG
VDDB
GNDB
Note2
Note1: Relations between GND (Signal ground), FG (Frame ground) and VBLC (Lamp low voltage
terminal) in the LCD module are as follows.
Note2: GND, FG and GNDB must be connected to customer equipment’s ground, and it is
recommended that these grounds are connected together in customer equipment.
NL8060BC31-27/27D
H-driver
2,400 lines
Controller
LCD panel
H: 800 × 3 (R, G, B)
600 lines
Ω
47
Power supply
for gradation
DC/DC
converter
LCD panel signal processing board
V-driver
VBLH
Inverter
(Option)
VBLH
VBLC
Note1
GND-FG Not connected
GND-VBLC Not connected
FG-VBLC Not connected
V: 600
Backlight (Edge light type)
Lamp
Lamp
Metallic frame of lamp holder
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4. DETAILED SPECIFICATIONS
4.1 MECHANICAL SPECIFICATIONS
ParameterSpecificationUnit
NL8060BC31-27/27D
Module size
Display area
Weight740 (typ.), 770 (max.)g
Note1: See "7. OUTLINE DRAWINGS".
4.2 ABSOLUTE MAXIMUM RATINGS
Parameter SymbolRating Unit Remarks
Power supply
voltage
Input voltage
for signals
Operating temperature
LCD panel signal processing boardVCC -0.3 to +6.5 V
Note1: Display signals are CLK, Hsync, Vsync, DE, DATA (R0 to R5, G0 to G5, B0 to B5).
Note2: Function signal is DPS.
Note3: Measured at center of LCD panel surface (including self-heat)
Note4: Measured at center of LCD module's rear shield surface (including self-heat)
Note5: No condensation
Note6: Water amount at Ta= 50°C and RH= 85%
Ta ≤ 40°C
Ta > 50°C
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4.3 ELECTRICAL CHARACTERISTICS
4.3.1 LCD panel signal processing board
Parameter Symbolmin. typ. max. Unit Remarks
Power supply voltage VCC
Power supply current ICC
Logic input voltage for
display signals
Input voltage for DPS
signal
High VDH 0.7VCC- VCC V
Low VDL 0 - 0.3VCC V
High VFH 0.7VCC- VCC V
Low VFL 0 - 0.3VCC V
Note1: Checkered flag pattern [by EIAJ ED-2522]
Note2: Pattern for maximum current
NL8060BC31-27/27D
(Ta = 25°C)
3.0 3.3 3.6 V at VCC= 3.3V
4.75 5.0 5.25 V at VCC= 5.0V
-
-
210
Note1
140
Note1
450
Note2
300
Note2
mA at VCC= 3.3V
mA at VCC= 5.0V
CMOS level
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4.3.2 Backlight lamp
Lamp current
Lamp voltage
NL8060BC31-27/27D
(Ta= 25°C, Note1)
Parameter Symbolmin. typ. max. Unit Remarks
at IBL=5.0mArms:
400cd/m
2
Note3, Note4
Note2, Note3
IBL 2.0 5.0 5.5 mArms
VBLH- 570 - Vrms -
Lamp starting voltage
Note2, Note3, Note5, Note8
Lamp oscillation frequency
Note6
970 - - Vrms
VS
1,410 - - Vrms
FO 58 63 68 kHz -
Ta= 25°C
Ta= -10°C
Note1: This product consists of 2 backlight lamps, and these specifications are for each lamp.
Note2: The lamp voltage cycle between lamps should be kept on a same phase. "VS" and "VBLH"
are the voltage value between low voltage side (Cold) and high voltage side (Hot).
Note3: The asymmetric ratio of working waveform for lamps (Power supply voltage peak ratio,
power supply current peak ratio and waveform space ratio) should be less than 5 % (See the
following figure.). If the waveform is asymmetric, DC (Direct current) element apply into the
lamp. In this case, a lamp lifetime may be shortened, because a distribution of a lamp
enclosure substance inclines toward one side between low voltage terminal (Cold terminal)
and high voltage terminal (Hot terminal). When designing the inverter, evaluate asymmetric of
lamp working waveform sufficiently.
Pa
Pb
Sa
0
Sb
|Pa - Pb|
Pb
|Sa - Sb|
Sb
× 100 ≤ 5 %
× 100 ≤ 5 %
Pa: Supply voltage/current peak for positive, Pb: Supply voltage/current peak for negative
Sa: Waveform space for positive part, Sb: Waveform space for negative part.
Note4: Thi s product consists of 2 lamps. 2 lamps are contained in the 1 lamp holder, and both lamps
are connected to 1 low voltage cable. Recommendation lamp current is 5.0mArms typical for
each lamp, and sum of 2 lamps is 10mArms typical. The lamp current should be measured by
high-frequency current meter at the low voltage terminal.
Note5: The inverter should be designed so that the lamp starting voltage can be maintained for more
than 1 second. Otherwise the lamp may not be turned on.
Note6: In case "FO" is not the recommended value, beat noise may display on the screen, because of
interference between "FO" and "1/th". Recommended value of "FO" is as following
1 1
FO = × × (2n-1)
4 th
th: Horizontal cycle (See "4.9.2 Timing characteristics".)
n: Natural number (1, 2, 3 ⋅⋅⋅⋅⋅⋅⋅⋅)
Note7: Method of lamp cable installation may invite fluctuation of lamp current and voltage or
asymmetric of lamp working waveform. When designing method of lamp cable installation,
evaluate the fluctuation of lamp current, voltage and working waveform sufficiently.
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Note8: In case of Inverter with Ballast condenser, "VS" is the voltage level between Ballast condenser
and Connector (Refer to the below “Example of measurement”). "VS" should be designed to
be more than minimum "VS". Otherwise the lamp may not be turned on because the lamp
starting voltage is less than minimum "VS".
Example of measurement
Probe capacity: 3pF (Tektronix, inc.: P6015A)
Transformer
4.3.3 Power supply voltage ripple
This product works, even if the ripple voltage levels are beyond the permissible values as following
the table, but there might be noise on the display image.
Power supply voltage
Ballast condenser
Inverter
NL8060BC31-27/27D
(Lamp side)
Connector
Probe capacity
Ripple voltage Note1
(Measure at input terminal of power supply)
High voltage probe
VS
Unit
3.3V
VCC
5.0V
≤ 100
≤ 100
Note1: The permissible ripple voltage includes spike noise.
4.3.4 Fuse
Parameter
Type Supplier
VCC FCC16202AB
Fuse
KAMAYA
ELECTRIC Co., Ltd
Rating Fusing current Remarks
2.0A
32V
4.0A Note1
Note1: The power supply capacity should be more than the fusing current. If it is less than the fusing
current, the fuse may not blow in a short time, and then nasty smell, smoke and so on may
occur.
mVp-p
mVp-p
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4.4 POWER SUPPLY VOLTAGE SEQUENCE
4.4.1 LCD panel signal processing board
VCC
Note1
3.0V or 4.75V
0V
Display signal,
Function signal
Note2
0ms < t < 35ms
Note1: In terms of voltage variation (voltage drop) while VCC rising edge is below 3.0V in "VCC =
3.3V" or 4.75V in "VCC = 5.0V", a protection circuit may work, and then this product may
not work.
Note2: Display signals (CLK, Hsync, Vsync, DE, DATA (R0 to R5, G0 to G5, B0 to B5)) and
function signal (DPS) must be Low or High-impedance, exclude the VALID period (See
above sequence diagram), in order to avoid that internal circuits is damaged.
If some of display and function signals of this product are cut while this product is working,
even if the signal input to it once again, it might not work normally. VCC should be cut when
the display and function signals are stopped.
4.4.2 Inverter (Option)
Display signal,
Function signal
Note1
VDDB
Note1: These are the display and function signals for LCD panel signal processing board.
Note2: The backlight should be turned on within the valid period of display and function signals, in
9 R0 Red data (LSB) Least significant bit
10 R1 Red data
11 R2 Red data
12 GND Ground Note1
13 R3 Red data
14 R4 Red data
15 R5 Red data (MSB) Most significant bit
16 GND
17 GND
18 GND
19 G0 Green data (LSB) Least significant bit
20 G1 Green data
21 G2 Green data
22 GND Ground Note1
23 G3 Green data
24 G4 Green data
25 G5 Green data (MSB) Most significant bit
26 GND
27 GND
28 GND
29 B0 Blue data (LSB) Least significant bit
30 B1 Blue data
31 B2 Blue data
32 GND Ground Note1
33 B3 Blue data
34 B4 Blue data
35 B5 Blue data (MSB) Most significant bit
36 GND Ground Note1
37 DE Selection of DE / Fixed mode
38 N.C. - Keep this pin Open.
39 VCC Power supply
40 VCC Power supply
41 DPS Selection of scan direction
Ground Note1
Ground Note1
Ground Note1
Note1: All GND and VCC terminals should be used without any non-connected lines.
Note2: See "4.8 SCANNING DIRECTIONS".
NL8060BC31-27/27D
-
-
-
-
-
-
-
Data enable signal: DE mode
High or Open: Fixed mode
Note1
High: Reverse scan
Low or Open: Normal scan Note2
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4.5.2 Backlight lamp
Attention: VBLH and VBLC must be connected correctly. Wrong connections will cause electric
1 VBLHHigh voltage (Hot)Cable color: Pink
2 VBLHHigh voltage (Hot)Cable color: Pink
3 N. C. - Keep this pin Open.
4 VBLCLow voltage (Cold)Cable color: White
4.5.3 Positions of plug and socket
CN2
High voltage (Hot)
4
2
1
Low voltage (Cold)
Caution label
Rear side
Barcode label Name plate
NL8060BC31-27/27D
1
3
41
CN1
2
40
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4.6 DISPLAY COLORS AND INPUT DATA SIGNALS
This product can display in equivalent to 262,144 colors in 64 gray scales. Also the relation between
display colors and input data signals is as the following table.
The following figures are seen from a front view. Also the arrow shows the direction of scan.
Note1: Meaning of C (X, Y) and D (X, Y)
C (X, Y): The coordinates of the display position (See "4.7 DISPLAY POSITIONS".)
D (X, Y): The data number of input signal for LCD panel signal processing board
∙
∙
∙
∙
∙
∙
C (0, 0)
D (0, 0)
C (0, 599)
D (0, 599)
∙
∙ ∙ ∙
∙
∙
∙ ∙ ∙
∙
C (799, 0)
D (799, 0)
C (799, 599)
D (799, 599)
∙
∙
∙
∙
∙
∙
Figure1. Normal scan (DPS: Low or Open)
C (0, 0)
D (799, 599)
C (0, 599)
D (799, 0)
C (799, 0)
D (0, 599)
C (799, 599)
D (0, 0)
Figure2. Reverse scan (DPS: High)
∙ ∙ ∙
∙ ∙ ∙
Note1
Note1
NL8060BC31-27/27D
∙
∙
∙
∙
∙
∙
∙
∙
∙
∙
∙
∙ ∙ ∙
∙
∙
∙
∙
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4.9 INPUT SIGNAL TIMINGS
4.9.1 Outline of input signal timings
• Horizontal signal
Note1
Hsync
Note2
Display period
DE (Data enable)
• Vertical signal
Note1
Vsync
Note2
Display period
DE (Data enable)
Note1: This diagram indicates virtual signal for set up to timing.
Note2: Fixed mode cannot be used while working of DE mode.
Note3: See "4.9.3 Input signal timing chart" for numeration of pulse.
NL8060BC31-27/27D
Horizontal synchronizing cycle (th)
Horizontal synchronizing pulse width (thp)
Horizontal back-porch (thb)
Horizontal display period (thd)
Vertical synchronizing cycle (tv)
Vertical synchronizing pulse width (tvp)
Vertical back-porch (tvb)
Vertical display period (tvd)
1 234600 Note3
Horizontal front-porch (thf)
Vertical front-porch (tvf)
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4.9.2 Timing characteristics
(a) Fixed mode
CLK
DATA
(R0-R5)
(G0-G5)
(B0-B5)
Hsync
Vsync
Note1: Definition of parameters is as follows.
tc= 1CLK, tcd= tch/tc, th= 1H
Note2: Keep tvp + tvb and thp + thb within the table. If it is out of specification, display position will
be shifted to right/left side or up/down.
NL8060BC31-27/27D
(Note1, Note2)
Parameter Symbolmin.typ. max.Unit Remarks
Frequency 1/tc 34.0 38.36240.0 MHz 26.067ns (typ.)
Optical characteristics are measured at luminance saturation after 20minutes from working
the product, in the dark room. Also measurement methods are as follows.
Note3: See "4.10.2 Definition of contrast ratio".
Note4: See "4.10.3 Definition of luminance uniformity".
Note5: These coordinates are found on CIE 1931 chromaticity diagram.
Note6: Product surface temperature: TopF= 28°C
Note7: See "4.10.4 Definition of response times".
Note8: See "4.10.5 Definition of viewing angles".
White
Red
Green
Blue
at center, against NTSC color space
Right
Left
Up
Down
LCD module
(Product)
White at center
θR= 0°, θL= 0°, θU= 0°, θD= 0°
White/Black at center
θR= 0°, θL= 0°, θU= 0°, θD= 0°
White
θR= 0°, θL= 0°, θU= 0°, θD= 0°
x coordinate Wx 0.2830.313 0.343 -
y coordinate Wy 0.2990.329 0.359 -
x coordinate Rx - 0.586 - -
y coordinate Ry - 0.345 - -
x coordinate Gx - 0.327 - -
y coordinate Gy - 0.518 - -
x coordinate Bx - 0.156 - -
y coordinate By - 0.145 - -
θR= 0°, θL= 0°, θU= 0°, θD= 0°
White to Black Ton - 8 10 ms
Black to White Toff - 25 30 ms
The contrast ratio is calculated by using the following formula.
Contrast ratio (CR) =
4.10.3 Definition of luminance uniformity
The luminance uniformity is calculated by using following formula.
Luminance uniformity (LU) =
The luminance is measured at near the 5 points shown below.
4.10.4 Definition of response times
Response time is measured, the luminance changes from "white" to "black", or "black" to "white"
on the same screen point, by photo-detector. Ton is the time it takes the luminance change from 90%
down to 10%. Also Toff is the time it takes the luminance change from 10% up to 90% (See the
following diagram.).
White
100%
90%
Luminance
Black
10%
4.10.5 Definition of viewing angles
Left
Lower
Luminance of white screen
Luminance of black screen
Maximum luminance from ①
Minimum luminance from ①
133
100
300
①
④
0%
Ton
ormal axis (Perpendicular)
θL
θU
θD
Upper
θR
400
③
12 o’clock
Right
NL8060BC31-27/27D
to ⑤
to ⑤
667
②
⑤
Toff
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5. RELIABILITY TESTS
Test item Condition Judgment
High temperature and humidity
(Operation)
NL8060BC31-27/27D
① 60 ± 2°C, RH= 90%, 240hours
② Display data is black.
High temperature
(Operation)
Heat cycle
(Operation)
Thermal shock
(Non operation)
ESD
(Operation)
Dust
(Operation)
Vibration
(Non operation)
Mechanical shock
(Non operation)
① 70 ± 2°C, 240hours
② Display data is black.
① -10 ± 3°C…1hour
70 ± 3°C…1hour
② 50cycles, 4hours/cycle
③ Display data is black.
① -20 ± 3°C…30minutes
80 ± 3°C…30minutes
② 100cycles, 1hour/cycle
③ Temperature transition time is within
5 minutes.
① 150pF, 150Ω, ±10kV
② 9 places on a panel surface Note2
③ 10 times each places at 1 sec interval
① Sample dust: No. 15 (by JIS-Z8901))
② 15 seconds stir
③ 8 times repeat at 1 hour interval
① 5 to 100Hz, 19.6m/s
② 1 minute/cycle
③ X, Y, Z direction
④ 120 times each directions
① 539m/ s
② ±X, ±Y, ±Z direction
③ 5 times each directions
2
, 11ms
2
No display malfunctions
Note1
No display malfunctions
No physical damages
Note1
Note1: Display and appearance are checked under environmental conditions equivalent to the
inspection conditions of defect criteria.
Note2: See the following figure for discharge points.
{
{
{
{ {
{
{
{
{
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!
6. PRECAUTIONS
6.1 MEANING OF CAUTION SIGNS
The following caution signs have very important meaning. Be sure to read "6.2 CAUTIONS" and
"6.3 ATTENTIONS", after understanding these contents!
This sign has the meaning that cu sto mer wi l l be in ju re d by h i mself o r t h e p rod uc t will
!
sustain a damage, if customer has wrong operations.
This sign has the meaning that customer will get an electrical shock, if customer has
wrong operations.
This sign has the meaning that customer will be injured by himself, if customer has
wrong operations.
6.2 CAUTIONS
∗ Do not touch the working backlight. There is a danger of an electric shock.
NL8060BC31-27/27D
∗ Do not touch the working backlight. There is a danger of burn injury.
∗ Do not shock and press the LCD panel and the backlight! There is a danger of
breaking, because they are made of glass. (Shock: To be not greater 539m/s
not greater 11ms, Pressure: To be not greater 19.6 N (φ16mm jig))
6.3 A TTENTIONS
6.3.1 Handling of the product
① Take hold of both ends without touching the circuit board when the product (LCD module) is
picked up from inner packing box to avoid broken down or misadjustment, because of stress to
mounting parts on the circuit board.
② Do not hook nor pull cables such as lamp cable, and so on, in order to avoid any damage.
③ When the product is put on the table temporarily, display surface must be placed downward.
④ When handling the product, take the measures of electrostatic discharge with such as earth band,
ionic shower and so on, because the product may be damaged by electrostatic.
⑤ The torque for mounting screws must never exceed 0.294N⋅m. Higher torque values might result in
distortion of the bezel.
⑥ The product must be installed using mounting holes without undue stress such as bends or twist
(See outline drawings). And do not add undue stress to any portion (such as bezel flat area). Bends
or twist described above and undue stress to any portion may cause display mura.
⑦ Do not press or rub on the sensitive product surface. When cleaning the product surface, use of the
cloth with ethanolic liquid such as screen cleaner for LCD is recommended.
2
and to be
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⑧ Do not push nor pull the interface connectors while the product is working.
⑨ Do not bend or unbend the lamp cable at the near part of the lamp holding rubber, to avoid the
⑩ Properly connect the plug (backlight side) to adaptable socket (inverter side) without incomplete
⑪ If the lamp cable is attached on the metal part of the product directly, high frequency leak current
⑫ When not connecting FG of the LCD module to the customer's equipment ground, inverter noise
⑬ When handling the product, use of an original protection sheet on the product surface (polarizer) is
⑭ Usually liquid crystals don't leak through the breakage of glasses because of the surface tension of
6.3.2 Environment
① Do not operate or store in high temperature, high humidity, dewdrop atmosphere or corrosive gases.
② In order to prevent dew condensation occurring by temperature difference, the product packing box
③ Do not operate in high magnetic field. Circuit boards may be broken down by it.
④ This product is not designed as radiation hardened.
6.3.3 Characteristics
The following items are neither defects nor failures.
① Response time, luminance and color may be changed by ambient temperature.
② Display mura, flicker, vertical seam or small spot may be observed depending on display patterns.
③ Optical characteristics (e.g. luminance, display uniformity, etc.) gradually is going to change
④ Do not display the fixed pattern for a long time because it may cause image sticking. Use a screen
⑤ The display color may be changed depending on viewing angle because of the use of condenser
⑥ Optical characteristics may be changed depending on input signal timings.
⑦ The interference noise between input signal frequency for this product's signal processing board
⑧ After the product is stored under condition of low temperature or dark place for a long time, the
NL8060BC31-27/27D
damage for high voltage side of the lamp.
connection. After connecting, be careful not to hook the lamp cables because incomplete
connection may occur by hooking the lamp cables. This incomplete connection may cause
abnormal operation of high voltage circuit.
to the metal part may occur, then the brightness may decrease or the lamp may not be turned on.
may create video noise on the LCD screen.
recommended for protection of product surface. Adhesive type protection sheet may change color
or characteristics of the polarizer.
thin layer and the construction of LCD panel. But, if you contact with liquid crystal for the worst,
please wash it out with soap.
Keep the product in packing box with antistatic pouch in room temperature to avoid dusts and
sunlight, when storing the product.
should be opened after enough time being left under the environment of an unpacking room.
Evaluate the leaving time sufficiently because a situation of dew condensation occurring is
changed by the environmental temperature and humidity. (Recommended leaving time: 6 hours or
more with packing state)
depending on operating time, and especially low temperature, because the LCD has cold cathode
fluorescent lamps.
saver, if the fixed pattern is displayed on the screen.
sheet in the backlight.
and luminance control frequency of the inverter may appear on a display. Set up luminance control
frequency of the inverter so that the interference noise does not appear.
cold cathode fluorescent lamp may not be turned on under the same condition because of the
general characteristic of cold cathode fluorescent lamp. In addition, when Luminance control ratio
is low in pulse width modulation method inverter, the lamp may not be turned on. In this case,
power should be supplied again.
DATA SHEET DOD-PP-0214 (8th edition)
26
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NL8060BC31-27/27D
6.3.4 Other
① All GND and VCC terminals should be used without any non-connected lines.
② Do not disassemble a product or adjust variable resistors.
③ See "REPLACEMENT MANUAL FOR LAMP HOLDER SET", when replacing backlight lamps.
④ Pay attention not to insert foreign materials inside of the product, when using tapping screws.
⑤ Pack the product with original shipping package, in order to avoid any damages during
transportation, when returning the product to NEC for repair and so on.
DATA SHEET DOD-PP-0214 (8th edition)
27
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7. OUTLINE DRAWINGS
7.1 FRONT VIEW
Note1: The values in parentheses are for reference.
Note2: The torque for product mounting screws must never exceed 0.294N⋅m.
Note3: Mounting hole portions (4 pieces)
DATA SHEET DOD-PP-0214 (8th edition)
NL8060BC31-27/27D
Unit: mm
28
Page 29
7.2 REAR VIEW
Note1: The values in parentheses are for reference.
Note2: The torque for product mounting screws must never exceed 0.294N·m.
NL8060BC31-27/27D
Unit: mm
DATA SHEET DOD-PP-0214 (8th edition)
29
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