7
West Mountain Radio
Operating Manual
CLRmodpad
Page 1 of 1
Rev 1
Filter<<
Tone<<
Vol<<
~PTT<<
TX>>
RX<<
~RST<<
Clip>>
Audio<<
Audio>>
+3.3V<<
GND<<
AGND<<
NC
01-JUN-19
1
X1
1
X2
2x7 Header
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J1
D1
R21
220
D3
R13
220
C3
.01
D4
BAT54WS-7-F
FB3
Fbead
FB1
Fbead
C6
.01
+
C12
47uf 25V
C7
.1
D7
1 GAIN
3 +IN
2 -IN
4 GND
5
OUT
6
VCC
7
BYPASS
8
GAIN
U5
LM386
+
C1
47uf 16V
C8
.1
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
C2
.05
R1
10
C4
.1
IN
GND
OUT
U8
3.3V Volt Reg
+
C5
4.7uf
1
X3
1
X4
MCLR
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
