C17
R3
C16
A
6
B
7
C
8
D
9
E
10
F
11
G
12
DP
13
D3 15
D4
14
GND
16
VDD
5
K2
4
STB
3
C
LK
2
DI
N
1
D1
18
D2 17
U1
R
5
R
4
1
3
2
W2
1
3
2
W1
SQ-CONT
C1
R6
R1
R2
5V
C3
C2
RF GAIN
1
3
W
4
5
W3
13V
+V
1
2
4
3
5
6
J3
L5
L2
L1
C11
C14
C6
C8
L3
C5
C4
C12
C15
L4
C9
C10
LED-CLK
LED-DATA
LED-TB
PTT
SP
-
MI
C
1
2
3
J1
DN
UP
C19
S2
S1
R9
R10
R13
R7
5V
R8
R15
R16
5V
R19
C7
R18
8
9
12
3
5
10
1
2
4
7
11
6
DS1
LED-CLK
LED-DATA
LED-TB
PTT
UP
DN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
J2
MIC
1
2
3
4
5
6
7
8
9
10
11
12
J4
13V
+V
SP-
KEY1
RF GAIN
SQ-CONT
5V
LED-V
KEY2
LED-V
C18
KEY1
KEY2
VOLHOT
VOLCOW
D2
D3
D4
D1
R20
R21
R22
R23
VOLHOT
VOLCOW
R24
C20
+V
C21
5V
R11
E1
22
23