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3. Connectors Pin Definition
CN1: Inverter CONN
Pin 1 +12V_INV
Pin 2 +12V_INV
Pin 3 +12V_INV
Pin 4 BKLEN
Pin 5 VRSET
Pin 6 GND
Pin 7 GND
Pin 8 GND
CN3: USB 5 / USB 6
Pin 1 +5V_USB 4
Pin 2 USB20_R_P4-
Pin 3 USB20_R_P4+
Pin 4 GND
Pin 5 +5V_USB 5
Pin 6 USB20_P5-
Pin 7 USB20_P5+
Pin 8 GND
CN4: Line-In CONN
Pin 1 GND Pin 2 LINE_IN_R
Pin 3 LINE_IN_L Pin 4 GND
CN6: 4 Wire Touch
Pin 1 ESD 1 Pin 2 ESD 2
Pin 3 ESD 3 Pin 4 ESD 4
CN7: Speaker & MIC CONN
Pin 1 AMP_ORL Pin 2 GND
Pin 3 GND Pin 4 AMP_ORR
Pin 5 GND Pin 6 MIC 1
CN9: Support VFD
Pin 1 +12V Pin 2 RS232_4_TX#
Pin 3 RS232_4_RX# Pin 4 GND