-
1
4
2) images of
Emulation board
Socket
number
explain
Socket
number
explain
1
Audio input of USB board
2
Side AV input
3
Socket between Emulation
board and output port board
4
Socket between
Digital
board
and Emulation board
5
Power input of USB board
,
form left to right is
：
GND
、
GND
、
5V
、
5V
6
Speaker interface
2
5
6
4
3
