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UB Series LED Backlight Kit  - Sunlight Readable

UB LED Backlight Advantage:
  • High Brightness LED backlight up to 1800 nits
  • Improved dynamic contrast ratio up to 1500:1
  • Improved color gamut for more life-like images
  • longer lifespan, typically lasting over 100,000 hours
  • High shock/vibration resistant
  • Low Heat Generation.
  • Environmental Benefits.

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Part NumberUB54285LED7220X2
DescriptionUniversal LED backlight kit for all 14.1" XGA Industrial LCD screens that originally equipped with 2 or 4 CCFL backlight lamps.


Dip Switch Configuration
Caution: Please power down before change settings

Product Catalog HyperLink

Caution: Please power down before change settings
Part NumberUB*HighDefaultLowUL**
*Ultra Bright, this setting may cause shorter life of LED on some LCD screens due to the heat, especially those LCD screens that have the plastic frame instead of Aluminum or metal frame. However, if you prefer to use this setting, we would recommend that you add an additional aluminum heaksink.

** Ultra Low, this setting consumes much less current while maintaining higher brightness level than CCFL lamp. The life of LED will last much longer, typically 10 times longer than CCFL.

R9 Resistor MUST be remove on some settings that have (R9)

How to connect to LED driver

This LED backlight kit comes with MS456UB driver. MS456UB LED driver is a custom build DC to DC converter to replacing your existing CCFL lamp inverter. It accepts input voltage between 10.5V to 24V DC. Connecting the inverter wire to MS456UB is not that difficult if you know your inverter’s pin assignment. Here is a procedure:
  • Identify the inverter's part number
  • Obtain the inverter's pin assignment**
  • Connect DC Supply Positive to "VIN"
  • Connect DC Supply Ground to "GND"
  • Connect Enable to "ENA"(2.5-3.5V DC On)
  • Connect Dimming to "ADJ"(0-3.2V)*
* Some of industrial Inverters do not have dimming control; please leave "ADJ" no connection.
** Most of inverter pin assignments are available online at "Inverter by Number" and click detail
In case you cannot find it on our list, Please click here
Need help? please eamil two pictures: top and bottom on inverter connector to

How to Identify Pin Assignments

How to mount UB Series LED Strips

How to mount MS456UB LED Driver

How to disable 'ENA" on MS456UB

This LED Backlight Kit is compatible with the following LCD Screen:
MakeSizeScreen NumberPart Number

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Aluminum heat sink for UB54 Series - $4.99
Installing UB70345LED4221X2 AUO M170EN05 Industrial LCD screen.
Part 1 and Part 2

DIY Help Topics

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