P-5
CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
S
D
-C
MD
S
D
-C
LK
S
D
-DA
T0
1
2
3
4
5
6
7
8
IC
18
24
C
08
R
126
10K
E2
ANT
V
CC
3.
3V
V
CC
3.
3V
V
CC
3.
3V
I2
C
-S
DA
I2
C
-C
LK
R
123
0
X
O
S
CO
I2
C
-C
LK
I2
C
-S
DA
R7
1K
R
10
1K
DA
T
A2
9
DA
T
A3
1
C
MD
2
V
SS
3
VDD
4
C
LK
5
V
SS
6
DA
T
A0
7
DA
T
A1
8
D
et
ec
t1
10
D
et
ec
t2
11
GND
12
GND
13
S
D1
TF
R
62
2.
2R
C
106
475
F
M
-R
OUT
1
2
3
4
JA
C
K2
P
HON
E
-4
R
127
15K
R
130
47K
C
135
105
L
IN
E
IN
L
IN
E
-D
ET
F
M
-L
OUT
AUX
G
ND
1
D
P+
2
DN-
3
5V
4
U
S
B1
U
SB
C
20
4.
7uF
DM
DP
C
30
106
C
27
103
C
23
103
R5
300K
R6
300K
V
CC
1
A
LO
2
A
RO
3
A
G
ND
4
R
FI
5
INT
6
X
L
CK
7
G
ND
8
S
CL
9
S
DA
10
IC
11
QN
8035
C
29
101
L4
330
NH
L3
2.
5K
100
M
Hz
C
31
100P
V
CC
3.
3V
IR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC
14
2399
1
2
3
4
5
6
7
8
IC
15
4558
5V
C
103
47
U
/10V
C
57
104
C
60
104
C
56
104
C
59
104
R
60
15K
R
65
15K
R
79
200K
R
63
10K
R
55
15K
C
61
561
C
71
392
C
55
561
C
54
392
R
57
15K
R
61
1K5
R
56
10K
C
68
105
C
83
104
C
58
104
R
89
1K
R
77
68K
R
64
10K
R
119
1K
C
74
105
C
87
682
C
85
105
C
69
105
E
C
HO
-OUT
R
74
100K
R
76
100K
C
82
106
5V
5V
C
50
104
C
101
104
R
54
12K
C
102
100
U
/10V
G7
G6
G5
G4
G1
G2
G3
DA
CL
DA
CR
C
39
225P
C
52
225P
1
2
3
4
JA
C
K1
P
HON
E
-4
C
32
106
C
38
106
P
-D
ET
DA
CL
DA
CR
R
38
1K
1
2
3
4
C
ON3
W
X
-M
IC
R
31
22K
D5
4148
D6
4148
R
35
47K
8V4
R
29
10K
Q4
9014
R
39
47K
D9
5V
Q5
9014
8V4
C
45
470
U
/10V
C
46
105
M
IN
M
IN
C
84
102
E
-OUT
E
-OUT
R
71
47K
C
78
101
G
P
IO1
1
G
P
IO2
16
G
ND
2
G
ND
3
F
M
IN
4
G
ND
5
X
T
AL
6
S
C
LK
7
S
D
IO
8
RC
LK
9
VDD
10
G
ND
11
L
OUT
12
R
OUT
13
G
ND
14
VA
15
IC
16
9950
C
89
104
8V4
R
78
4R7
R
120
10M
C
88
105
1
2
C
ON9
B
A
SS
-OUT
C
77
10
P
/NC
C
73
224
R
73
5K1
R
70
10K
C
136
106
C
137
105
R
32
10K
M
IN
-D
ET1
C
90
100uF
C
94
104
R
121
4R
7-
1W
C
93
100uF
C
91
104
1
1
2
2
3
3
IC
17
S
1117
-5V
8V4
5V
D
12
SS
14
C
95
104
4V7
R
14
2K2
R
44
2K2
R
/L
-OUT
M
VO
L
-IN
M
VO
L
-OUT
R
59
18K
E
-OUT
R
66
2K
M
U
TE
A
B
/D
-10W
4V7
1
2
C
ON
10
T
1-
OUT
R
131
100
M
600R
R
132
100
M
600R
C
138
1NF
C
141
1NF
R
/L
-OUT
Q2
9014
R
11
560R
1
2
CB1
CB2
LE
D1
R9
10K
8V4
1
2
3
V
R4
E
C
HO
1
2
3
JP1
H
E
AD
E
R
3
1
2
3
V
R3
M
IC
-VOL
M
VO
L
-IN
ADK
E
Y1
1
2
C
ON6
B
AT
1
2
3
JP2
9V
-D
C
IN
C
92
1000
U
/10V
1
2
3
4
5
6
C
ON4
M
IC1
1
2
3
4
5
6
C
ON5
M
IC2
C
139
10uF
1
2
C
ON8
ON
/O
FF
8V4
R
34
47R
M
-LED
M
-LED
C
43
472
C
49
103
R
42
47K
R
E
C
-IN
D
10
M1
D
11
M1
R
122
2R
2-
1W
C
72
222
R
69
2K2
C
75
105
R
72
10K
OUT
OUT
C
62
104
C
B
E
Q6
8550
R
46
4K7
R
50
4K7
R
51
1K2
R
47
4K7
C
B
E
Q
10
8550
R
45
10K
S
D
-C
LK
S
D
-C
MD
S
D
-DA
T0
V
CC
3.
3V
MUTE
G1
G2
G3
G4
G5
G6
G7
AUXR1
X
O
S
CO
DM
DP
IR
AU
X
L1
ADKEY1
C1
475
C
10
475
C
15
475
C2
475
DA
CL
DA
CR
C
16
475
C
19
15pF
C
17
15pF
Y2
32
.768K
C
18
105
R2
300K
P
37
27
VDDHP
7
P01
15
P02
14
P00
16
VDD
IRT
32
IR
T
O
S
CI
33
IR
T
O
S
CO
34
IR
T
W
KO
35
P17
24
P16
23
P
15
36
P14
17
P
13
28
P
12
29
P
11
30
P
10
31
P34
40
P33
18
P32
37
P31
38
P30
39
P
27
1
P26
41
P25
42
P35/UDSW
48
P24
43
P23
44
P22
45
P
21
2
P
20
3
USBDM
46
USBDP
47
P
36
/V
P
G
33
4
VDD
L
DO
5
VDD
IO
6
VDDDAC
8
DA
CR
9
V
CM
10
DA
CL
11
V
SS
DAC
12
P07/VPP
22
P06
21
P05
20
P04
19
P03/VB
13
VDD
C
O
RE
26
V
SS
25
IC
10
A
X
2225
_
L
Q
F
P
48
C
11
105
C
41
106
AX2220-RX
AX2220-TX
AX2220-CTS
1
2
3
4
5
6
7
IC
12
BT
SPI-CS
LED1
D
C
-D
ET
R
17
0R
B
AT
V
CC
3.
3V
I2C-SDA
I2C-CLK
L
IN
E
-D
ET
R
16
10K
C
40
102
V
CC
3.
3V
B
AT
REC-IN
FM-ROUT
FM-LOUT
M
IN
-D
ET1
LE
D1
1
2
3
4
5
6
7
8
IC
13
F
L
A
SH
R
19
0R
V
CC
3.
3V
C
70
106
I2
C
-C
LK
SP
I-
CS
I2
C
-S
DA
1
2
3
4
5
6
7
C
ON2
7P
R
125
100K
R
124
200K
D
C
-D
ET
P-DET
1
2
C
ON
11
T
2-
OUT
C
140
10uF
4V7
C
48
472
C
21
472
R4
1K
R
128
15K
R
129
47K
C
115
105
R
20
NC
R
25
NC
R
21
NC
R
26
NC
R
24
NC
R
28
NC
R
67
NC
R
68
NC
1
2
3
4
5
6
7
C
ON7
7P
R1
100K