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LD550DUS
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 55.0" WUXGA TFT LCD
BUYER General SUPPLIER LG DISPLAY Co., Ltd.
MODEL *MODEL LD550DUS
SUFFIX SEB1
SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE
K. S. Nah
/ / Chief Senior Engineer
REVIEWED BY
K.N. Kim
/ / Chief Senior Engineer
PREPARED BY
J.J. Lee
/ / Senior Engineer
Please return 1 copy for your confirmation with PD Product Design Dept.
your signature and comments. LG Display Co., Ltd
Ver. 0.0 1 / 36
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LD550DUS
Product Specification
CONTENTS
Number 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 8
3-3 SIGNAL TIMING SPECIFICATIONS 10
3-4 LVDS SIGNAL SPECIFICATIONS 11
3-5 COLOR DATA REFERENCE 14
3-6 POWER SEQUENCE 15
4 OPTICAL SPECIFICATIONS 17
5 MECHANICAL CHARACTERISTICS 21
6 RELIABILITY 24
7 INTERNATIONAL STANDARDS 25
7-1 SAFETY 25
7-2 EMC 25
7-3 ENVIRONMENT 25
8 PACKING 26
8-1 INFORMATION OF LCM LABEL 26
8-2 PACKING FORM 26
9 PRECAUTIONS 27
9-1 MOUNTING PRECAUTIONS 27
9-2 OPERATING PRECAUTIONS 27
9-3 ELECTROSTATIC DISCHARGE CONTROL 28
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE 28
9-5 STORAGE 28
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 28
9-7 APPROPRIATE CONDITION FOR PUBLIC DISPLAY 28
Ver. 0.0 2 / 36
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Product Specification
RECORD OF REVISIONS
Revision No. Revision Date Page Description
0.0 Apr 29,2012 - Preliminary Specification(First Draft)
Ver. 0.0 3 / 36
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LD550DUS
Product Specification
1. General Description
The LD550DUS is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED)
Local Block backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive display type which is operating in the normally black mode. It has a 54.64 inch diagonally
measured active display area with WUXGA resolution (1080 vertical by 1920 horizontal pixel array).
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arrayed in vertical stripes.
Gray scale or the luminance of the sub-pixel color is determined with a 10-bit gray scale signal for each dot.
Therefore, it can present a palette of more than 1.06Bilion colors. It has been designed to apply the 10-bit 2-port
LVDS interface. It is intended to support Public Display where high brightness, super wide viewing angle, high
color gamut, high color depth and fast response time are important.
Mini-LVDS(RGB)
EEPROM
Source Driver Circuit
SCL SDA S1 S1920
G1
LVDS LVDS 1,2 Timing Controller Control
Gate Driver Circuit
2Port Signals
[LVDS Rx]
LVDS + Local Dimming
TFT - LCD Panel
Select (1920 RGB 1080 pixels)
CN1
(51pin) [Gate In Panel]
Power Circuit Power Signals G1080
+12.0V
Block
V : 10Block
LED Driver
+24.0V, GND, On/off
H : 8 Block
Ext VBR-B
General Features
Active Screen Size 54.64 inches(1387.80mm) diagonal
Outline Dimension 1215.2(H) x 686.0(V) x 55.0mm(D) (Typ.)
Pixel Pitch 0.630(H) X 0.630(V)
Pixel Format 1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement
Color Depth 10Bit (D), 1.06 Billion colors
Luminance, White 500 cd/m2 (Center 1point ,Typ.)
Viewing Angle (CR>10) Viewing angle free ( R/L 178 (Min.), U/D 178 (Min.))
Power Consumption Total 155.4W (Typ.) [Logic=10.2 W, Backlight=145.2W(@EXTVBR-B = 100%)
Weight 18,500 g (Typ.)
Display Mode Transmissive mode, Normally black
Surface Treatment Hard coating(3H), Anti-glare treatment of the front polarizer (Haze 10%)
Possible Display Type Landscape and Portrait Enabled
Ver. 0.0 4 / 36
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2. Absolute Maximum Ratings
The following items are maximum values which, if exceeded, may cause faulty operation or permanent damage
to the LCD module.
Table 1. ABSOLUTE MAXIMUM RATINGS
Value
Parameter Symbol Unit Note
Min Max
LCD Circuit VLCD -0.3 +14.0 VDC
Power Input Voltage
Driver VBL -0.3 + 27.0 VDC
ON/OFF VOFF / VON -0.3 +5.5 VDC 1
Driver Control Voltage
Brightness EXTVBR-B 0.0 +5.5 VDC
T-Con Option Selection Voltage VLOGIC -0.3 +4.0 VDC
Operating Temperature TOP 0 +50 C
2,3
Storage Temperature TST -20 +60 C
Panel Front Temperature TSUR - +68 C 4
Operating Ambient Humidity HOP 10 90 %RH
2,3
Storage Humidity HST 10 90 %RH
Note.
1. Ambient temperature condition (Ta = 25 r 2 C )
2. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be Max 39 C, and no condensation of water.
3. Gravity mura can be guaranteed below 50 C condition.
4. The maximum operating temperatures is based on the test condition that the surface temperature
of display area is less than or equal to 68 C with LCD module alone in a temperature controlled chamber.
Thermal management should be considered in final product design to prevent the surface temperature of
display area from being over 68 . The range of operating temperature may be degraded in case of
improper thermal management in final product design. 90%
60
60%
50 Storage
Humidity [(%)RH]
Wet Bulb
Temperature [ C]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ C]
Ver. 0.0 5 / 36
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LD550DUS
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the LED
backlight and LED Driver circuit.
Table 2. ELECTRICAL CHARACTERISTICS
Value
Parameter Symbol Unit Note
Min Typ Max
Circuit :
Power Input Voltage VLCD 10.8 12.0 13.2 VDC
- 850 977 mA 1
Power Input Current ILCD
- 1160 1334 mA 2
Power Consumption PLCD - 10.2 11.73 Watt 1
Rush current IRUSH - - 6.3 A 3
Note
1. The specified current and power consumption are under the VLCD=12.0V, Ta=25 r 2 C, fV=120Hz condition,
and mosaic pattern(8 x 6) is displayed and fV is the frame frequency.
2. The current is specified at the maximum current pattern.
3. The duration of rush current is about 2ms and rising time of power input is 0.5ms (min.).
4. Ripple voltage level is recommended under 5% of typical voltage
White : 1023Gray
Black : 0Gray
Mosaic Pattern(8 x 6)
Ver. 0.0 6 / 36
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Table 3. ELECTRICAL CHARACTERISTICS (Continue)
Values
Parameter Symbol Unit Notes
Min Typ Max
LED Driver :
Power Supply Input Voltage VBL 22.8 24.0 25.2 Vdc 1
Power Supply Input Current IBL - 6.05 6.64 A 1
VBL = 22.8V
8.5
Power Supply Input Current (In-Rush) Irush - - A Ext VBR-B = 100%
(TBD)
4
Power Consumption PBL - 145.2 159.3 W 1
On V on 2.5 - 5.0 Vdc
On/Off
Off V off -0.3 0.0 0.7 Vdc
10 - 100 % On Duty
(With Local Dimming)
Brightness Adjust ExtVBR-B
Input Voltage for 1 - 100 % On Duty
Control System (W/O Local Dimming)
Signals
PWM Frequency for PAL 100 Hz 3
NTSC & PAL NTSC 120 Hz 3
Pulse Duty Level High Level 2.5 - 5.0 Vdc HIGH : on duty
(PWM) Low Level 0.0 - 0.7 LOW : off duty
Vdc
Life Time 40,000 60,000 Hrs 2
Notes :
1. Electrical characteristics are determined after the unit has been `ON' and stable for approximately 60
minutes at 25 2 C. The specified current and power consumption are under the typical supply Input voltage
24Vand VBR (ExtVBR-B : 100%), it is total power consumption.
2. The life time (MTTF) is determined as the time which luminance of the LED is 50% compared to that of initial
value at the typical LED current (ExtVBR-B :100%) on condition of continuous operating in LCM state at
25 2 C.
3. LGD recommend that the PWM freq. is synchronized with Two times harmonic of V_sync signal of system.
Though PWM frequency is over 120Hz (max 252Hz), function of LED Driver is not affected.
4. The duration of rush current is about 200ms.
5. Even though inrush current is over the specified value, there is no problem if I2T spec of fuse is satisfied.
6. Ext_PWM Signal have to input available duty range.
Between 99% and 100% ExtVBR-B duty have to be avoided. ( 99% < ExtVBR-B < 100%)
But ExtVBR-B 0% and 100% is possible.
High
Available duty range
Low
0% 1% Ext_PWM Input Duty 99% 100%
Ver. 0.0 7 / 36
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3-2. Interface Connections
This LCD module employs two kinds of interface connection, a 51-pin connector is used for the module
electronics and Master 14-pin and Slave 12-pin connectors are used for the integral backlight system.
3-2-1. LCD Module
- LCD Connector(CN1): FI-RE51S-HF or Equivalent, Refer to below table.
- Mating Connector : FI-RE51HL
Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION
No Symbol Description No Symbol Description
1 GND Ground 27 H `H'
2 NC No Connection 28 RE0N SECOND LVDS Receiver Signal (A-)
3 NC No Connection 29 RE0P SECOND LVDS Receiver Signal (A+)
4 NC No Connection (Reserved for LGD) 30 RE1N SECOND LVDS Receiver Signal (B-)
5 NC No Connection (Reserved for LGD) 31 RE1P SECOND LVDS Receiver Signal (B+)
6 NC No Connection (Reserved for LGD) 32 RE2N SECOND LVDS Receiver Signal (C-)
7 LVDS Select `H' =JEIDA , `L' = VESA 33 RE2P SECOND LVDS Receiver Signal (C+)
8 NC No Connection 34 GND Ground
9 NC No Connection 35 RECLKN SECOND LVDS Receiver Clock Signal(-)
10 Local Dimming `L' = Disable 36 RECLKP SECOND LVDS Receiver Clock Signal(+)
11 GND Ground 37 GND Ground
12 RO0N FIRST LVDS Receiver Signal (A-) 38 RE3N SECOND LVDS Receiver Signal (D-)
13 RO0P FIRST LVDS Receiver Signal (A+) 39 RE3P SECOND LVDS Receiver Signal (D+)
14 RO1N FIRST LVDS Receiver Signal (B-) 40 RE4N SECOND LVDS Receiver Signal (E-)
15 RO1P FIRST LVDS Receiver Signal (B+) 41 RE4P SECOND LVDS Receiver Signal (E+)
16 RO2N FIRST LVDS Receiver Signal (C-) 42 NC No Connection
17 RO2P FIRST LVDS Receiver Signal (C+) 43 NC No Connection
18 GND Ground 44 NC No Connection
19 ROCLKN FIRST LVDS Receiver Clock Signal(-) 45 GND Ground
20 ROCLKP FIRST LVDS Receiver Clock Signal(+) 46 GND Ground
21 GND Ground 47 GND Ground
22 RO3N FIRST LVDS Receiver Signal (D-) 48 VLCD Power Supply +12.0V
23 RO3P FIRST LVDS Receiver Signal (D+) 49 VLCD Power Supply +12.0V
24 RO4N FIRST LVDS Receiver Signal (E-) 50 VLCD Power Supply +12.0V
25 RO4P FIRST LVDS Receiver Signal (E+) 51 VLCD Power Supply +12.0V
26 NC No Connection - - -
Notes:
1. All GND(ground) pins should be connected together to the LCD module's metal frame.
2. All VLCD (power input) pins should be connected together.
3. All Input levels of LVDS signals are based on the EIA 644 Standard.
4. Specific pins(pin No. #2~#6) are used for internal data process of the LCD module.
These pins should be no connection.
5. It may be happened to Abnormal Display during the system interface signal is not
6. If Specific pin No. #7, #10, #27 is "NC", LCD Module may be happened to Abnormal Display
Ver. 0.0 8 / 36
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3-2-2. Backlight Module
Master
-LED Driver Connector
: 20022WR-14B2(Yeonho) / 20022WR-12B2(Yeonho)
- Mating Connector
: 20022HS-14 / 20022HS-12
Table 5. LED DRIVER CONNECTOR PIN CONFIGULATION
Pin No Symbol Description 14PIN 12PIN Note
1 VBL Power Supply +24.0V VBL VBL
2 VBL Power Supply +24.0V VBL VBL
3 VBL Power Supply +24.0V VBL VBL
4 VBL Power Supply +24.0V VBL VBL
5 VBL Power Supply +24.0V VBL VBL
6 GND Backlight Ground GND GND
7 GND Backlight Ground GND GND
8 GND Backlight Ground GND GND 1
9 GND Backlight Ground GND GND
10 GND Backlight Ground GND GND
11 Status Status Status Don't Care 2
12 VON/OFF Backlight ON/OFF control VON/OFF Don't Care
13 EXTVBR-B External PWM EXTVBR-B - 3
14 GND Backlight Ground GND - 1
Notes : 1. GND should be connected to the LCD module's metal frame.
2. Normal : Low (under 0.7V) / Abnormal : High (upper 3.0V)
3. High : on duty / Low : off duty, Pin#13 can be opened. ( if Pin #13 is open , EXTVBR-B is 100% )
4. Each impedance of pin #12 and 13 is over 50 [K ] and over 50 [K ].
Rear view of LCM
PCB PCB
14
12
...
...
...
...
1 1
Ver. 0.0 9 / 36
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3-3. Signal Timing Specifications
Table 6 shows the signal timing required at the input of the LVDS transmitter. All of the interface signal
timings should be satisfied with the following specification for normal operation.
Table 6-1. TIMING TABLE for NTSC (DE Only Mode)
ITEM Symbol Min Typ Max Unit Note
Display Period tHV - 960 - tclk
Horizontal Blank tHB 100 140 240 tclk
Total tHP 1060 1100 1200 tclk 2200/2
Display Period tVV - 1080 - tHP
Vertical Blank tVB 11 45 69 tHP
Total tVP 1091 1125 1149 tHP
DCLK fCLK 70 74.25 77 MHz 148.5/2
Frequency Horizontal fH 65 67.5 70 KHz
Vertical fV 57 60 63 Hz
Table 6-2. TIMING TABLE for PAL (DE Only Mode)
ITEM Symbol Min Typ Max Unit Note
Display Period tHV - 960 - tclk
Horizontal Blank tHB 100 140 240 tclk
Total tHP 1060 1100 1200 tclk 2200/2
Display Period tVV - 1080 - tHP
Vertical Blank tVB 228 270 300 tHP
Total tVP 1308 1350 1380 tHP
DCLK fCLK 70 74.25 77 MHz 148.5/2
Frequency Horizontal fH 65 67.5 70 KHz
Vertical fV 47 50 53 Hz
Note The Input of HSYNC & VSYNC signal does not have an effect on normal operation(DE Only Mode).
The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rate.
Ver. 0.0 10 / 36
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3-4. LVDS Signal Specification
3-4-1. LVDS Input Signal Timing Diagram
0.7VDD
DE, Data
0.3VDD
tCLK
0.5 VDD
DCLK
Valid data
First data Invalid data Pixel 0,0 Pixel 2,0 Invalid data
Valid data
Second data Invalid data Pixel 1,0 Pixel 3,0 Invalid data
DE(Data Enable)
tHV
tHP
1 1080
DE(Data Enable)
tVV
tVP
Ver. 0.0 11 / 36
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3-4-2. LVDS Input Signal Characteristics
1) DC Specification
LVDS -
LVDS +
V CM V IN _ MAX V IN _ MIN
# V CM = {( LVDS +) + ( LVDS - )} /2
0V
Description Symbol Min Max Unit Note
LVDS Common mode Voltage VCM 1.0 1.5 V -
LVDS Input Voltage Range VIN 0.7 1.8 V -
Change in common mode Voltage VCM - 250 mV -
2) AC Specification
Tclk
LVDS Clock
A
LVDS Data
( F clk = 1 /T clk )
tSKEW tSKEW
A
Tclk
LVDS 1'st Clock 80%
LVDS 2nd / 3rd / 4th Clock
20%
tRF
tSKEW_min tSKEW_max
Description Symbol Min Max Unit Note
VTH 100 300 mV
LVDS Differential Voltage 3
VTL -300 -100 mV
LVDS Clock to Data Skew tSKEW - |(0.25*Tclk)/7| ps -
LVDS Clock/DATA Rising/Falling time tRF 260 |(0.3*Tclk)/7| ps 2
Effective time of LVDS teff 360 - ps -
LVDS Clock to Clock Skew (Even to Odd) tSKEW_EO - |1/7* Tclk| ps -
Note 1. All Input levels of LVDS signals are based on the EIA 644 Standard.
2. If tRF isn't enough, teff should be meet the range.
3. LVDS Differential Voltage is defined within teff
Ver. 0.0 12 / 36
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0.5tui tui
LVDS Data
360ps
VTH
0V
(Differential) VTL
360ps
teff
LVDS CLK tui : Unit Interval
0V
(Differential)
* This accumulated waveform is tested with differential probe
Ver. 0.0 13 / 36
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3-5. Color Data Reference
The brightness of each primary color(red,green,blue) is based on the 10-bit gray scale data input for the color.
The higher binary input, the brighter the color. Table 8 provides a reference for color versus data input.
Table 8. COLOR DATA REFERENCE
Ver. 0.0 14 / 36
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3-6. Power Sequence
3-6-1. LCD Driving circuit
90% 90%
Power Supply For LCD
VLCD 10% 10% 10%
0V
T8
T1
T5
T2
Valid Data Vcm : LVDS Common mode Voltage
30%
Interface Signal (Tx_clock) 0V
100% T3 T4
T6
User Control Signal
(LVDS_SEL, BIT_SEL, L-DIM EN)
Power for LED T7 LED ON
Table 8. POWER SEQUENCE
Value
Parameter Unit notes
Min Typ Max
T1 0.5 - 20 ms 1
T2 0 - - ms 2
T3 200 - - ms 3
T4 200 - - ms 3
T5 1.0 - - s 4
T6 - - T2 ms 5
T7 0.5 - - s 6
T8 100 - - ms 7
notes : 1. Even though T1 is over the specified value, there is no problem if I2T spec of fuse is satisfied.
2. If T2 is satisfied with specification after removing LVDS Cable, there is no problem.
3. The T3 / T4 is recommended value, the case when failed to meet a minimum specification,
abnormal display would be shown. There is no reliability problem.
4. T5 should be measured after the Module has been fully discharged between power off and on period.
5. If the on time of signals (Interface signal and user control signals) precedes the on time of Power (VLCD),
it will be happened abnormal display. When T6 is NC status, T6 doesn't need to be measured.
6. If there is no abnormal display, no problem.
7. It is recommendation specification that T8 has to be 100ms as a minimum value.
Please avoid floating state of interface signal at invalid period.
When the power supply for LCD (VLCD) is off, be sure to pull down the valid and invalid data to 0V.
Ver. 0.0 15 / 36
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3-6-2. Sequence for LED Driver
Power Supply For LED Driver
24V (typ.)
90% 90%
VBL
10%
0V
T1 T2 T3
VON/OFF
LED ON
T4
Ext-VBR-B
3-6-3. Dip condition for LED Driver
T5
VBL : 24V
VBL(Typ.) x 0.8
0V
Table 9. Power Sequence for LED Driver
Values
Parameter Units Remarks
Min Typ Max
T1 20 - - ms 1
T2 500 - - ms
T3 10 - ms
T4 0 - - ms
T5 - - 10 ms VBL(Typ) x 0.8
Notes :
1. T1 describes rising time of 0V to 24V and this parameter does not applied at restarting time.
Even though T1 is over the specified value, there is no problem if I2T spec of fuse is satisfied.
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4. Optical Specification
Optical characteristics are determined after the unit has been `ON' and stable in a dark environment at 25 2 C.
The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle of ) and T
equal to 0 .
FIG. 1 shows additional information concerning the measurement equipment and method.
LCD Module Pritchard 880 or
Optical Stage(x,y)
equivalent
50cm
FIG. 1 Optical Characteristic Measurement Equipment and Method
Ta= 25 2 C, VLCD=12.0V, fV=60Hz,
Table 10. OPTICAL CHARACTERISTICS Dclk=74.25MHz, ExtVBR-B=100%
Value
Parameter Symbol Unit Note
Min Typ Max
Contrast Ratio CR 1000 1400 - 1
2
Surface Luminance, white LWH 400 500 - cd/m 2
Luminance Variation G WHITE 5P - - 1.3 3
Response Time Gray-to-Gray G to G - 10 15 ms 4
Rx 0.649
RED
Ry 0.333
Gx 0.308
GREEN
Color Coordinates Gy Typ 0.602 Typ
[CIE1931] -0.03 +0.03
Bx 0.150
BLUE
By 0.060
Wx 0.279
WHITE
Wy 0.292
Color Temperature 10,000 K
Color Gamut 72 %
Viewing Angle (CR>10)
x axis, right(I=0 ) Tr 89 - -
x axis, left (I=180 ) Tl 89 - -
degree 5
y axis, up (I=90 ) Tu 89 - -
y axis, down (I=270 ) Td 89 - -
Gray Scale - - - 6
Ver. 0.0 17 / 36
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Notes :1. Contrast Ratio(CR) is defined mathematically as :
CR(Contrast Ratio) = Maximum CRn (n=1, 2, 3, 4, 5)
Surface Luminance at position n with all white pixels
CRn =
Surface Luminance at position n with all black pixels
n = the Position number(1, 2, 3, 4, 5). For more information, see FIG 2.
2. Surface luminance are determined after the unit has been `ON' and 60min after lighting the
backlight in a dark environment at 25 2 C. Surface luminance is the luminance value at center
1-point across the LCD surface 50cm from the surface with all pixels displaying white.
For more information see the FIG. 2.
3. The variation in surface luminance , G WHITE is defined as :
G WHITE(5P) = Maximum(Lon1,Lon2, Lon3, Lon4, Lon5) / Minimum(Lon1,Lon2, Lon3, Lon4, Lon5)
Where Lon1 to Lon5 are the luminance with all pixels displaying white at 5 locations .
For more information, see the FIG. 2.
4. Response time is the time required for the display to transition from G(N) to G(M) (Rise Time, TrR)
and from G(M) to G(N) (Decay Time, TrD). For additional information see the FIG. 3. (N
Ver. 0.0 23 / 36
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6. Reliability
Table 13. ENVIRONMENT TEST CONDITION
No. Test Item Condition
1 High temperature storage test Ta= 60 C, 240h
2 Low temperature storage test Ta= -20 C 240h
3 High temperature operation test Ta= 50 C 50%RH 240h
4 Low temperature operation test Ta= 0 C 240h
Wave form : random
Vibration level : 0.5 Grms
Vibration test
5 Bandwidth : 10-300Hz
(non-operating)
Duration : X,Y,Z, 10min
One LCM one direction
Shock level : 10 Grms
Shock test Waveform : half sine wave, 15ms
6
(non-operating) Direction : X, Y, Z
One time each direction
7 Humidity condition Operation Ta= 40 C ,90%RH
Altitude operating 0 - 15,000 ft
8
storage / shipment 0 - 40,000 ft
Note : Before and after Reliability test, LCM should be operated with normal function.
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LD550DUS
Product Specification
7. International Standards
7-1. Safety
a) UL 60950-1, Underwriters Laboratories Inc.
Information Technology Equipment - Safety - Part 1 : General Requirements.
b) CAN/CSA C22.2 No.60950-1-07, Canadian Standards Association.
Information Technology Equipment - Safety - Part 1 : General Requirements.
c) EN 60950-1, European Committee for Electrotechnical Standardization (CENELEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
d) IEC 60950-1, The International Electrotechnical Commission (IEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
(Including report of IEC60825-1:2001 clause 8 and clause 9)
Notes
1. Laser (LED Backlight) Information
Class 1M LED Product
IEC60825-1 : 2001
Embedded LED Power (Class1M)
2. Caution
: LED inside.
Class 1M laser (LEDs) radiation when open.
Do not open while operating.
7-2. EMC
a) ANSI C63.4 "American National Standard for Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz."
American National Standards Institute (ANSI), 2003.
b) CISPR 22 "Information technology equipment ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo