BOXLIGHT ProColor 652U, Service Manual, Page: 41 / 67

47 VCC VCC 12V
48 VCC VCC 12V
49 VCC VCC 12V
50 VCC VCC 12V
51 VCC VCC 12V
4. CN1: USB & Key Connector
SN. SYMBOL DESCRIPTION DEFAULT VALUE
1 LED2-LOCK NC 0V
2 LED1-START NC 0V
3 DWL-REQ NC 0V
4 NFC-SCL NC 0V
5 NFC-SDA NC 0V
6 NC NC 0V
7 VEN NC 0V
8 IRQ NC 0V
9 LIGHT-SDA Light Sensation SDA
Follow the protocol
10 LIGHT-SCL Light Sensation SCL
11 LED-R Key LED Red Red-1.9V; Blue-1.25V
12 GND GND 0V
13 KEYIN Power Key
Power Key Down 0V; Default
3.3V
14 LED-G/B Key LED Blue Red-0V; Blue-4V
15 GND GND 0V
16 IR IR Receiver 5V
17 KEY-CLK Shift register CLK 3.3V
18 KEY-DATA Shift register DAT 5V
19 KEY-SH/LD Shift register SH/LD 5V
20 GND GND 0V
21 Front USBD+ 3.3V
22 INFUSBD- Front USBD- 3.3V
23 GND GND 0V
24 GND GND 0V
25 ANT-D+ NC 0V
26 ANT-D- NC 0V