Headphone and USB Board -- Circuit and Layout Diagram
Headphone Board
JA202A
R202 47K
C202
100P
R201 47K
C201
100P
CN202
4P/2.0
Headphone Board
R203
C203
12-5
USB Board
6
DGND
4
D+
5
3
D-
4
2
VBUS
3
1
2
CN203
1
4P/2.0
USB Board
JA203
GND
Shield
GND
D+
D-
vbus
12-5