Specification For
55 Inch LCD Monitor
Buyer:
Model: LT55BN93L
December, 2014
Product Specification
CONTENT
Number Item Page
1 General Description 3
2 Product Specification 4
3 Power supply connector 5
4 Image signal input interface 6
5 Keyboard Operations Guide 7
6 Block diagram 8
7 Mechanical Characteristics 9
Page1
L T55BN93L Ver.03
Product Specification
Warning: Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to operate the
equipment.
NOTE: This equipment has been tested and found to comply with the limits for
a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
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L T55BN93L Ver.03
Product Specification
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1. General Description
This product is used to display an image, using a DVI cable to connect the game console.
This product uses DC 24V(6A) and DC 12V(2A) power supply.
The main components
AD Board M.RT2261.5B
LCD Module LG Display LC550DUN/DUE
Frame SECC 1.2mm thickness
2. Product Specification
Display type TFT LCD
Backlight type WLED Light bar
Dead dot Less than 3
Aspect ratio 16:9
Panel
Signal
Input
Power
Supply
Pixel Format 1920 horiz. by 1080 vert. Pixels
Luminance, White 300 cd/m2 (Center 1 point ,Typ.)
Contrast Ratio 1200:1(Typ.)
View angle(CR>10) R/L 178 (Min.),U/D 178 (Min.)
Surface Treatment
Response Time(Gray to Gray) 6ms(typ.)
Color Depth 8bit, 16.7Million colors
VGA （D-Sub 15）
DVI-D
Power Consumption
Power Input DC12V±10%/ 2A & DC24V±10%/ 6A
Hard coating(2H), Anti-glare treatment
of the front polarizer (Haze < 1%)
640x480/720x400/800x600/1024x768/
1280x1024/1280x720/1280x768/
1360x768/1920x1080
Refresh rate 60Hz
Less than 2 Watt (Standby)
110Watt (t
Less than 120 Watt (max)
Outline Dimension (mm) 1274.6(L)x748.9(H)x92(D)
Net Weight 28.5Kg
Operating Temperature 0~50°C
Storage Temperature 0~60°C
Operating Ambient Humidity 10%RH to 90%RH
Storage Humidit
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L T55BN93L Ver.03
10%RH to 90%RH
3. Power supply connector
Connector type: YLR-06V
Product Specification
Pin configuration
No Description Color of wire
1 +12V RED
2 +24V RED
3 +24V RED
4 GND(12V) BLACK
5 GND(24V) BLACK
6 GND(24V) BLACK
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L T55BN93L Ver.03
4. Image signal input interface
DVI-I input
VGA input
AD Board box
Product Specification
Pin configuration of VGA interface
Pin No. Pin description Pin No. Pin description
1 Red 9 DDC 5V
2 Green 10 GND for Sync.
3 Blue 11 ID0
4 ID2 12 ID1(SDA)
5 GND for Data 13 H. Sync.
6 GND for Red 14 V. Sync
7 GND for Green 15 ID3(SCL)
8 GND for Blue
Pin configuration of VGA interface
Pin No. Pin description Pin No. Pin description Pin No. Pin description
1 D2- 9 D1- 17 D02 D2+ 10 D1+ 18 D0+
3 D2/D4 Shield 11 D1/D3 Shield 19 D0/D5 Shield
4 D4- 12 D3- 20 D55 D4+ 13 D3+ 21 D5+
6 DDC Clock 14 +5V 22 Clock Shield
7 DDC Data 15 GND for +5v 23 Clock+
8 Analog V._Sync. 16 Hot Plug Detect 24 ClockC1 An alog Red C2 Analog Green C3 Analog Blue
C4 Analog H._Sync. C5 Analog GND
Page5
L T55BN93L Ver.03
Product Specification
5. Keyboard Operations Guide
a. Auto configuration (VGA input only valid)
adjust the image to the optimum image center / magnitude / phase and so on. If the
center of the image and the magnitude is not the best, press the "Auto" key, the monitor
will automatically adjust the image again.
b. Auto color management (VGA input only valid)
changes. Then monitor need to automatic color correction. When the image is black and
white content, press the "Menu" key three times.
c. Contrast adjustment (if no necessary, it is recommended not to adjust)
"Menu" key once, the OSD of contrast bar will turn yellow background, then press the
"right / up" key can be added big contrast value, press the "left / down" key to decrease
the contrast value. After adjustment, press the "Auto" key three times to exit the menu
(Or automatically exit after 10 seconds).
d. Brightness adjustment
"Menu" key once, the OSD of brightness bar will turn yellow background, then press
the "right / up" key can be added big contrast value, press the "left / down" key to
decrease the contrast value. After adjustment, press the "Auto" key three times to exit
the menu (Or automatically exit after 10 seconds).
e. Status Indicator
states:
LED is red-------------No signal input or signal frequency is out of range
LED is green---------LED is dark------------ Shutdown or no power supply
f. Power on/of
Control Key
Serial Number
LED Indicator
FCC ID
When monitor connected to the VGA signal and power on, it will automatically
When replacing the VGA signal source, VGA tricolor input reference level
Press "Menu" key twice, followed by press "left / down" key twice, press the
Press "Menu" key twice, followed by press "left / down" key once, press the
Key board has an LED indicator shows working status，the indicator has three
The monitor is working properly
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L T55BN93L Ver.03
Product Specification
Press the "power" key can switch on or shutdown the monitor. This monitor can
store switch state before the power supply failure.
g. Other adjustments
The monitor is shipped, has all image adjustment parameters set to default the
best value, in addition to brightness/contrast should be adjusted according to the actual
signal status and user requirements, other project proposals no necessary adjustment.
If you do need to change the adjustment parameters, accordance with OSD, adjust
the following manner:
1. Press "Menu" key to enter the OSD menu, press the "Left / Down" key or
"right /" key to change menu items, frame color selected menu item turns
yellow, then press the "Menu" key to confirm the adjustment, confirmed
adjustments will turn yellow background color, press the "left / Down"
key or "right /" key to adjust the value of the selected item, press the
"Auto" key to return to the previous menu.
2. If you adjust the project mess, according to the method described above
to select "Reset" in the OSD menu, you can restore the factory default
settings. (Tips: Press the "Menu" key once, then press the "Left / Down"
key twice, then press "Menu" key once, then press the "Left / Down" key
four times, then press the "Menu" key once complete reset)
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L T55BN93L Ver.03
6. Block diagram
Keypad(5keyled1)
lCD module(LC550DUN)
T-CON baord
LED control
Key control
LVDS signal
+12V
backlight on/off
CN11
CN12
DVI&VGA
AD board(RT2261)
Product Specification
Backlight
LED driver
CN16
DC Power input
+24V
+12V
YLR06V
Signal input
Page8
L T55BN93L Ver.03
Product Specification
6. Mechanical Characteristics
Page9
L T55BN93L Ver.03
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