32
X-EM21V
1
2
3
4
A
B
C
D
E
F
1
2
3
4
10. SCHEMATIC DIAGRAM
10.1 MAIN ASSY (1/
8
)
Only for X-EM21V
2.2k
1k
Europe
America
R786
Region
Japan
Russia
3.9k
5.6k
Asia / China
10k
Region Setting
X701
32.768KHZ
C7
13
30P
/A
C712
30P
/A
R708
100R
C7
48
100/
16
C7
07
0.
1U
C7
49
220/
16
C702
0.
1uF
R7
42
100R
R737
100R
R736
100R
R735
100R
R7
67
100R
R7
68
100R
C741
68P
C742
0.
1uF
C743
0.
1U
C745
1000P
C746
68P
R7
70
100R
R760
100R
R761
100R
R763
100R
R7
64
1k
C736
68P
C728
68P
C737
1000P
C738
68P
C739
68P
C740
0.
01U
C724
68P
C725
68P
C726
1000P
C727
1000P
C701
68P
C719
0.
1U
R7
45
4.
7k
R7
46
4.
7k
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
IC703
24LC02
C7
04
0.
1U
R7
47
22k
R7
48
22k
R7
49
22k
R7
50
47k
R7
51
22k
R7
52
22k
R7
53
22k
R7
54
22k
R7
27
22k
R7
28
22k
R7
29
22k
R7
31
10k
R7
32
NC
R7
33
3.
3K
R725
100R
C7
05
0.
1U
C706
0.
1U
C7
29
0.
1U
R7
03
22k
C714
220P
C715
100P
C732
100P
C733
68P
C734
68P
C735
68P
C730
1000P
C723
68P
R7
40
22k
R7
13
22k
R7
14
22k
R7
15
22k
R7
16
22k
R7
17
22k
R7
20
22k
C711
0.
1U
R710
10R
R709
10R
C718
22P
C716
22P
L702
FB300R
Q703
S8550
Q704
S8550
R779
47K
R781
0R
R7
80
1k
R7
82
NC
R7
85
10k
R7
84
10k
1
VSS_D
2
GP0/ADC3
3
GP20/ADC2
4
ADC1
5
ADC0
6
P0.0
7
P0.1
8
P0.2
9
P0.3
10 P2.0
11 P2.1
12 P2.2
13
P2
.3
14
P2
.4
15
P2
.5
16
P2
.6
17
P2
.7
18
ALE/
GP
19
19
PS
EN/
G
P1
8
20
GP
17
21
P3
.6
/W
R
22
P3
.7
/R
D
23
GP
9/
SDA
24
GP
8/
SC
K
SSB/P1.7
CLK/P1.6
MISO/P1.5
MOSI/P1.4/INT7
P3.5/INT5
P3.4/INT4
P3.3/INT1
P3.2/INT0
TX0/P3.1
RX0/P3.0
TX1/GP6
RX1/GP5
37
RESET
38
X-
IN
39
X-
O
U
T
40
XI
N
41
XO
UT
42
IR
43
PW
M
0/
G
P2
44
PW
M
1/
G
P1
45
VDD18
46
VDD-
D
47
VDD-
A
48
VSS-
A
IC701
CA6817
L701
FB300R
B
E
C
Q701
S8550
R771
100K
R
722
100K
C7
17
0.
1U
R721
10K
C7
50
0.
1U
C703
1000P
R7
02
47k
C751
1000P
R7
34
22k
R7
26
100R
R718
47R
NC
NC
1
GND
2
SDA
3
4
5
NC
6
SCL
7
RST
8
VCC
IC704
MFI337S3959
R787
10k
R786
***
C752
1000P
DVD-
EN
VOL+
RESET
+3.3V
RESET
XI
N
XO
UT
+3.3V
XOUT
XIN
PWR-EN
P-EN
+3.3V
HP
-C
T
LCD-CS
LCD-WR
LCD-DA
P-EN
A-MUTE
KEY
IR
SC
L
SDA
AUX-
DET
IR
KEY
LCD-WR
A-MUTE
P-EN
LCD-DA
LCD-CS
CLOSE
AUX-DET
VOL-
IP-RX
IP-TX
IP-DET
SCL
SDA
TU-RET
SDA
SCL
+3.3V
+3.3V
OPEN
CLOSE
HP-CT
SCL
SDA
+3.3V
A-DET
A
1/8
Содержание X-EM21V
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