Schematics

1
N1
A- 0. 5X0. 7MM
1
N2
A- 0. 5X0. 7MM
1
N3
A- 0. 5X0. 7MM
1
N5
A- 0. 5X0. 7MM
1
SHDN
2
VREP
3
I N+
4
I N-
5
OUT-
6
VCC
7
GND
8
OUT+
U12
R11
RR- 0402
36K
C28
273
CC- 0402
C29
105
CC- 0402
1
2
N6
CN2P2. 0MM
C26
106
CC- 0402
RED1
DC_LED
1 2
3 4
K1
KEY4. 5X4. 5X4. 3MM
1 2
3 4
K2
KEY4. 5X4. 5X4. 3MM
1 2
3 4
K3
KEY4. 5X4. 5X4. 3MM
1 2
3 4
K4
KEY4. 5X4. 5X4. 3MM
R8
RR- 0402
1K
BAT1
C20
104
CC- 0402
1 2
3 4
K5
KEY4. 5X4. 5X4. 3MM
1 2
3 4
K6
KEY4. 5X4. 5X4. 3MM
1
A2
ANT- 6D
DACOL
VCCOM
VSSI O
PA1
ADC3
ADC14
ADC11
ADC12/ SD0CLK/ PC5BT_OSCO
BT_OSCI
BT_RF
FMI P
PBI / ADC5
VDDI O
VBAT
LDO_I N/ PB5
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
U5
C21
105
CC- 0402
1
N10
A- 0. 5X0. 7MM
C23
105
CC- 0402
C24
105
CC- 0402
RED2
DC_LED
BAT2
V+
DM/ L
DP/ GND
R
GND
1
12
3
13
5
6 7
8 9
10
11
USB- X
USBH
1
A
2
K
D2
SS54
R10
R0805
1R
Q3
R16
RR- 0402
1K
U13
24MHz
+5V
+5V
+5V
VBAT
L+
L-
5V
MUTE
5V
L+
L-
LED1
DACL
ADK1
ADK2
AB/ D
3. 3V
AUX/ LR_I N
AUX
POWER
DACL
MI C
ADKEY
MUENT
LED1
LED2BT_OSC0
BT_OSC1
POWER
5V1N
LED2
VBAT
FM
LED8
VBAT
GND GND
BT_OSC0
BT_OSC1
AC20BP03298-69D4