
CIRCUIT DIAGRAMS
1.MAIN BOARD DIG SECTION
3-8
C124
22U
/6.
3V
R
142
10K
C123
10U
/10V
C126
10U
/10V
C110
100N
GND
1
IN
2
IN
3
EN
4
OU
T
5
OU
T
6
OU
T
7
OU
T
8
U
111
TP
S
2011
DGND
C121
100N
1
2
3
4
5
6
7
8
9
11
10
J111
D C
o
n
n
ect
o
r 9
KE
YB
1
KE
YB
2
KE
YB
3
KE
YB
4
KE
YB
5
IR
_
F
KE
Y_
E
N
3.
3V
D
A0
1
A1
2
A2
3
Vs
s
4
SDA
5
SCL
6
WP
7
Vd
d
8
U
112
24L
C
16
DGND
DGND
SOU
R
CE
SE
L
E
CT
SOU
R
CE
SE
L
E
CT
MAI
N MU
T
E
R
187
1K
R
188
1K
Q
110
2S
C3326
3.
3V
D
C165
10N
J109 IR
IN
C166
10N
DGND
IR
IN
J110
+12 TR
IG
IN
DGND
R
194
10K
Q
111
2S
C1815
3.
3V
D
R
108
4K
7
R
141
10K
R
169
3K
3
T
R
IG_
ON/
OFF
TR
IG
_IN
R
193
330R
R
140
10K
R
139
10K
R
107
4K
7
R
179
10R
R
178
10R
R
109
4K
7
3.
3V
D
R
110
4K
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J105
T
O
FPP_
SCH
CZ
7
2
5V
D
IR
_
F
KE
YB
1
KE
YB
2
KE
YB
3
KE
YB
4
KE
YB
5
KE
Y_
DAT
A
KE
Y_
E
N
KE
Y_
C
L
K
5V
3
C125
22U
/6.
3V
MAI
N MU
T
E
DAB
/XM_
R
ST
TR
IG
_O
N
/O
F
F
TR
IG
_IN
Q
109
2S
C1815
R
111
4K
7
R
191
47K
R
192
100R
R
190
47K
C150
100N
ST
ANDB
Y
/E
N
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
RI
N
8
RO
U
T
9
/I
N
V
10
DI
N
11
FCON
12
DOU
T
13
GND
14
VC
C
15
/F
C
O
F
F
16
U
115
M
A
X
3221
C162
100N
C161
100N
C164
100N
C163
100N
232G
N
D
C160
100N
3.
3V
D
232G
N
D
232G
N
D
R
196
330R
R
195
330R
R
232_R
X
R
232_TX
DGND
KE
Y_
C
L
K
KE
Y_
DAT
A
R
136
4K
7
R
137
4K
7
5V
3_EN
3.
3V
D
C168
100N
3.
3V
D
DGND
C171
100N
C170
100N
DAB
/XM_
R
X
DAB
/XM_
T
X
Y1
0
2
18.
432 M
H
z
C172
20P
C173
20P
DGND
DGND
R
127
100K
Q
103
D
T
C114
Q
104
D
T
C
114
Q1
0
7
D
T
C114
R
123
NC
R
130
NC
R
131
NC
R
132
33R
R
133
33R
R
134
33R
R
165
3K
3
R
166
3K
3
R
167
3K
3
3.
3V
D
3.
3V
D
3.
3V
D
I2C
_C
L
K
I2
C
_
DAT
A
IR
IN
R
206
33R
DGND
C175
100N
C178
10U
/10V
3.
3V
D
C174
100N
DGND
G
1
OUT
2
IN
3
O
4
U
118
A
M
S
1117-3.
3
3.
3V
D
C181
10U
/10V
5V
D
C180
100N
C182
10U
/10V
R
146
2R
7
DGND
DGND
C183
100N
C191
100N
XM1
HO
L
E
XM
2
HO
L
E
XM
3
HO
L
E
XM
4
HO
L
E
XM5
HO
L
E
C193
22N
DGND
R
200
100R
R
201
100R
3.
3V
D
C197
100N
C151
100N
C199
100N
C141
100N
DGND
DGND
3.
3V
D
5V
3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
J117
TO
F
M
/A
M
B
O
A
R
D
SCKFM
SDAFM
R
186
33R
R
115
33R
FM
R
ST
TP
G
2
TP
G
1
ZE
R
O
L
1
ZE
R
O
R
2
MS
E
L
3
LR
C
K
4
DAT
A
5
BC
K
6
SCK
7
DGND
8
VDD
9
MS
10
MDI
11
MC
12
MDO
13
RS
T
14
V
CC2R
15
AGND3
R
16
IO
U
TR
+
17
IO
U
T
R
-
18
AGND1
19
IR
EF
20
VC
OM
R
21
VC
OML
22
V
CC1
23
AGND2
24
IO
U
T
L
+
25
IO
U
TL
-
26
AGND3
L
27
V
CC2L
28
U
104
P
C
M
1796
R
103
10K
3V
3
LR
C
K
O
DAT
AO
BC
L
K
O
MC
LKO
C106
100N
C122
10U
/10V
R
119
10K
R
120
10K
DGND
SDA
SCL
DGND
DXR
ST
Vi
n
3
GND
1
Vo
u
t
2
U
110
L
M
1117M
P
X
-5.
0
+
13.
5V
C117
100N
R
177
10R
C147
10U
/16V
5VA
2
3
1
U
105A
OP2
7
5
6
5
7
U
105B
O
P
275
R
144
820R
C111
100N
C112
100N
-13.
5V
+
13.
5V
R
143
820R
2
3
1
U
107A
OPA2
1
3
4
R
149
360R
R
150
360R
R
157
330R
R
158
330R
R
153
620R
R
154
620R
C132
2N
7
C131
2N
7
C129
15N
C114
100N
C115
100N
C128
4N
7
C127
4N
7
2
3
1
U
106A
O
P
275
6
5
7
U
106B
O
P
275
R
145
820R
C113
100N
C118
100N
R
148
820R
2
3
1
U
108A
O
P
A
2134
R
151
360R
R
152
360R
R
159
330R
R
160
330R
R1
5
5
630R
R
156
630R
C136
2N
7
C135
2N
7
C130
15N
C119
100N
C120
100N
C134
4N
7
C133
4N
7
R
170
300R
R
171
300R
5V
3
1
2
3
J102
F
R
O
M
C425 B
O
A
R
D
R
185
0R
R
184
0R
C156
100P
C155
100P
J103
LOU
T
J104
RO
U
T
5V
3
R
183
4K
7
R
181
4K
7
DGND
Q
102
2S
C1815
C154
10N
D
104
1N
4148
R
122
1K
R
121
1K
R
182
4K
7
R
180
4K
7
DGND
Q
101
2S
C1815
C153
10N
D
103
1N
4148
C139
8N
2
C140
8N
2
6
5
7
U
107B
O
P
A
2134
C137
22P
R
162
3K
3
R
161
3K
3
6
5
7
U
108B
O
P
A
2134
C138
22P
R
164
3K
3
R
163
3K
3
1
3
2
R
L
102A
HF
D
3
4
6
5
R
L
102B
HF
D
3
7
8
R
L
102C
HF
D
3
1
3
2
R
L
101A
HF
D
3
4
6
5
R
L
101B
HF
D
3
7
8
R
L
101C
HF
D
3
D
101
2V
4
D
102
2V
4
DGND
C198
100P
C116
100P
C108 220N
C105
47U
F
/16V
C109 220N
C107
47U
F
/16V
8
4
U
105C
O
P
275
8
4
U
107C
O
P
A
2134
8
4
U
106C
O
P
275
8
4
U
108C
O
P
A
2134
R
175
22K
R
176
22K
I2
C_CL
K
I2
C
_
DAT
A
5V
3_EN
DGND
3.
3V
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J101
T
O
DAB
/X
M
_
SC
H
J
3
0
1
DGND
DAB
/XM_
T
X
DAB
/XM_
R
X
DAB
/XM_
R
ST
LR
C
LK
DAT
A
BC
L
K
MC
LK
MU
T
E
/U
NLOC
K
3V
3
1G
1
A1
2
1Y
1
18
A2
4
1Y
2
16
A3
6
1Y
3
14
A4
8
1Y
4
12
VCC
20
GND
10
2G
19
B1
11
2Y
1
9
B2
13
2Y
2
7
B3
15
2Y
3
5
B4
17
2Y
4
3
U
100
74L
CX
244
3V
3
DGND
C100
100N
DGND
IIS
_R
A
T
E
DT
_
L
NK
DT
_
ANT
R
E
V
IIS
_R
A
T
EO
DT
_
L
NKO
DT
_
ANT
R
E
VO
R
102
100R
R
104
100R
R
101
100R
R
203
100R
LR
C
LK
DAT
A
BC
L
K
MC
LK
IIS
_R
A
T
E
DT
_
L
NK
DT
_
ANT
R
E
V
MU
T
E
/U
NLOC
K
BRE
A
K
DGND
IIS
_R
A
TEO
DT
_
L
NKO
DT
_
ANT
R
E
VO
BRE
A
K
a1
1
gn
d
2
a2
3
y2
4
vc
c
5
y1
6
U
103
NC
7
W
Z1
6
DXR
ST
A
FM
R
ST
A
DXR
ST
FM
R
ST
3V
3
DGND
C103
100N
Q
106
2S
A
1015
Q
100
D
T
C
114
R
125
4K
7
DGND
FM
P_
E
N
1
2
J100
CO
N
2
R
202
10R
3V
3
C102
100N
R
129
10K
DGND
3.
3V
D
DGND
C101
100N
VCC
14
GND
7
4A
12
4QE
13
4B
11
3A
9
3QE
10
3B
8
2A
5
2QE
4
2B
6
1A
2
1QE
1
1B
3
U
135
74CB
3Q
3125P
W
DGND
I2
C_CL
K
I2
C
_
D
A
TA
Q1
0
5
D
T
C
114
R
118
4K
7
DGND
3.
3V
D
3V
3
R
106
0R
R
112
0R
R
113
100R
3.
3V
D
R
114
100R
R
100
100R
R
117
100R
DGND
DGND
G
1
OUT
2
IN
3
O
4
U
102
A
M
S
1117-
3.
3
3V
3
C144
10U
/10V
5V
3
C142
100N
C145
10U
/10V
R1
8
9
2R
7
DGND
DGND
ST
ANDB
Y
H
S
4-B
007-M
4-P
S
U
-V
M
1_0
H
S
4-
B
007-
M
4-
P
S
U
-V
M
1_0.
S
CH
R
205
1M
EG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J112
H
E
A
D
ER
7X
2 2.
54 pi
tc
h
C194
22U
F
/16V
1G
1
A1
2
1Y
1
18
A2
4
1Y
2
16
A3
6
1Y
3
14
A4
8
1Y
4
12
VCC
20
GND
10
2G
19
B1
11
2Y
1
9
B2
13
2Y
2
7
B3
15
2Y
3
5
B4
17
2Y
4
3
U
109
74H
CT244
3.
3V
D
DGND
DGND
DGND
DGND
R
208
33R
R
209
33R
R
207
33R
R
210
33R
R
211
33R
R
212
33R
P
102
57
P91
1
P90
2
CNVSS
3
P87/
XC
IN
4
P86
/XC
OUT
5
RESE
T
6
XOUT
7
VSS
8
XIN
9
VCC
10
P85/
NM
I
11
P84/
IN
T2
12
P83/
IN
T1
13
P82/
IN
T0
14
P81
15
P80
16
P7
7
17
P7
6
18
P7
5
19
P7
4
20
P7
3
21
P7
2
22
R
XD2
/P
7
1
23
TX
D
2
/P
70
24
T
XD1
/P
6
7
25
RX
D
1
/P
6
6
26
P6
5
27
P6
4
28
P3
3
29
P3
2
30
P3
1
31
P3
0
32
TXD0/P6
3
33
RXD0
/P62
34
P61
35
P60
36
P27
37
P26
38
P25
39
P24
40
P23
41
P22
42
SCL/P2
1
43
SDA/P20
44
P17
45
P16
46
P15
47
P03
48
P0
2
49
P0
1
50
P0
0
51
P
107
52
P
106
53
P
105
54
P
104
55
P
103
56
P
101
58
AVSS
59
P
100
60
VR
E
F
61
AVC
C
62
P9
3
63
P9
2
64
U
117
M
30281F
A
H
P
RE
S
E
T
1
GND
2
RE
S
E
T
3
VDD
5
MR
4
U
119
TP
S
3825
DGND
R
105
33R
CL
K
2
P7
3
CL
K
2
P7
3
a1
1
gn
d
2
a2
3
y2
4
vc
c
5
y1
6
U
114
NC
7
W
Z1
6
3V
3
DGND
R
124
47K
R
126
47K
3.
3V
D
1
2
J107
TO
C
425 U
A
R
T
3V
3
R
135
47K
R
138
33R
R
168
47K
DGND
CL
K
1
BU
S
Y
FM_
TX
FM_
RX
FM
P_
E
N
R
198
33R
R172
33R
R173
33R
R
174
100R
CN
V
ss
CE
RE
S
E
T
CL
K
1
BU
S
Y
TP
G
4
TP
G
3
TP
G
5
TP
G
6
CN
V
ss
CE
RE
S
E
T
R
232_R
X
R
232_TX
DGND
3.
3V
D
3.
3V
D
DGND
3.
3V
D
DGND
C104
22N
AGND
R
199
100R
R
116
100R
DGND
AGND
D
105
1S
S
352
D1
0
6
1S
S
352
AGND
AGND
D1
0
7
1S
S
352
D
108
1S
S
352
DGND
DGND
C179
22N
R
147
10R
D1
0
9
1S
S
352
D
110
1S
S
352
232G
N
D
C177
10U
/10V
R
213
10R
DGND
1
2
3
C195
EM
I100p
1
2
3
C196
EM
I100p
R
215
100R
R
214
100R
TP
G
7
TP
G
8
TP
G
9
TP
G
1
0
DGND
R
216
0R
1
2
J106
C
ON2
Q1
1
5
2S
A
1015
R
217
4R
7
Q
113
D
T
C
114
DGND
Q
114
2S
C3326
R
218
4K
7
R
219
4R
7
MB
1mm
MA
1mm
C143
10U
/10V
C146
100N
R
220
47K
3.
3V
D