- 10 -Pin number Signal name Description1 LED_R LAMP RED2 LED_G LAMP GREEN34 IR REMOTE CONTROL5 GND GND6 5V POWER FOR REMOTE8 KEY19 KEY010 GNDKeypad and remote connector (J12)7Speaker connector J11Pin number Signal nameD escription+KPSR+KPSR1-KPSR-KPSR2-KPSL-KPSL3+KPSL+KPSL43-3. Power Board