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4-5
4-6
CN401
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
AUDIO 12V
AUDIO 12V
GND
GND
GND
12V
12V
12V
STBY 5V
AUDIO R
AUDIO GND
AUDIO L
CN SENS
CPU ST
SDA
SCL
GND
SDT N
SDT GND
SDT P
U
( AUDIO )
CN404
2
1
3
4
R OUT+
R OUT+
R OUT-
R OUT-
CN405
CN403
1
2
L OUT+
L OUT+
3
L OUT-
4
L OUT-
SPEAKER
R
SPEAKER
L
HEADPHONE
1
CN402
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
SDA
SCL
CPU ST
SCK
SI
CSN
MUTE
HP STAT
DD ON U
STBY 5V
STBY 5V
12V
12V
12V
12V
12V
12V
CN406
3
2
1
SDT P
SDT GND
SDT N
SCK
AIR
AIL
X401
2.8224MHz
-IN2
+IN2
+IN1
0UT1
R OUT
L OUT
INR
IN L
SDA
SCL
R OUT
L OUT
IN
CTL
V+
3/5
SH D
G
IN
S
OUT
OUT
D
OUT
EXT
CS
EXTAL
XTAL
OUT A+
OUT A-
OUT B+
OUT B-
HP IN
OUT2
-IN1
IN A-
IN B-
S DOWN
STBY 5V
IC408
HPF
IC401
STEREO DIPOLE
IC403
AUDIO PROCESS
(TRE,BASS,LOUD)
BUFF
Q408,409
FL401
FL402
FL403
IC404
+9V REG
IC412
+5V REG
IC410
CONTROL
IC409
DC-DC
SW
Q401
IC402
POWER AMP
S DOWN
SW
Q410
MUTE
Q406.407
SW
Q404,405
D414
SI
CSN
+9V
SD5V
A5V
+5V
D421
2
3
1
38
5
7
6
15
1
5
3
18
16
37
26
29
61
62
9
20
19
11
6
17
16
6
42
41
20
8
1
GND
1
3
2
3
2
5
1
7
6
B
TO
A BOARD
CN101
G
TO
B BOARD
CN502
TO
B BOARD
CN504
F
B-SS3514<J>-U-24
IN B-
IN B+
IN A+
0UT A
OUT B
IN A-
IC411
AMP
D416
2
3
1
5
7
6
SW
Q411