Shenzhen Smart Device Technology Co.,Ltd
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◆ LED/IR Port
The position of remote control receiving and indicating light is shared（can choose welding 2.54 mm
spacing of 7 pins socket）.
NO. Definition Property Description
1 LED_B output work indicating lamp
2 VCC power 3.3V output
3 LED_R output standby indicating lamp
4 ADC ADC input ADC button input
5 IR input remote control signal input
6 GND ground
electrode
ground electrode
7 3.3V power 3.3V output
◆ Backlight Control Port
Use for LVDS screen backlight control，the 12V power supply current is not more than 1.5A，When
using more than 19 inch screen or screen backlight power in more than 20W，backlight power supply
electricity is taken from the other power plate，so as not to cause system instability. Backlight can make
voltage is 5V，if other voltage, please add IO level conversion circuit. The 12V power supply only as a backlight power
output, don't as a power input supply system.
NO. Definition Property Description
1 VCC power 12V output
2 VCC power 12V output
3 BL-EN output backlight enable control
4 BL-ADJ output backlight brightness adjust control
5 GND ground
electrode
ground electrode
6 GND ground
electrode
ground electrode
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