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Universal 10-42 Inch LED TV Backlight LCD TV Board Constant Current Plate Boost Plate Driver Board


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                  The common electronic symbol codes of backlight panel are as follows:

                  VCC:POWER VOLTAGE POSITIVE, CIRCUIT POWER VOLTAGE (Voltage is usually 12V or 24V)
                  B.ON/OFF, ON, EN, ON_BL, etc.Switch foot, switch signal foot & nbsp; (Voltage range is usually between 2.5V and 5V)
                  C.PWM, PDIM, VDAJ, BL-PWM, etc.Brightness adjusting foot or barefoot foot. There are two modes of dimming, one is digital mode – PWM, the other is analog dimming – DC.
                  PWM is called pulse width modulation. It produces a rectangular square wave signal with a frequency of 200HZ-2KHZ, a voltage amplitude of 3.3V, PDIM is abbreviated in English, and Dim is the approximate meaning of darkness, i.e. & ldquo; brightness & rdquo;. Analog dimming is carried out by DC voltage, usually directly providing the DC voltage of 0V-5V for adjusting the foot to control the brightness.
                  GND:Ground (power supply negative pole)
                  LED+:Light Emitting Diode (Light Bar) Positive Pole
                  LED-:Light Emitting Diode (Light Bar) Negative Electrode
                  The above symbols contain most of the LCD motherboard and backlight board commonly used code, as long as the connection in accordance with their respective codes will not be wrong.

                  Package included:

                  1 x LCD Drive Board

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