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R22
C21
22K
0.01
C10
120P
CD
+B
LINE
IC13
C0CBAAC00046
REGULATOR
GND
OUT
IN
1
2
3
1.8V
2.9V
(1.8V)
(2.9V)
S
D
R
8
19
C22
0.1
0V
(2.6V)
2.6V
0V
SOFT
37
C20
1
0V
SPRT
38
C24
390P
0V
0V
(0.5V)
0.5V
CT
39
RESET2
40
2.8V
2.8V
(0V)
0V
OFF/START
41
C37
2.8V
2.8V (0V)
0V
CD/TU
42
0.1
0V
0V
(2.9V)
2.9V
V MIC
43
V MIC IN
44
0V
0V
(0.6V)
0.6V
EO
45
0V
0V
(0.9V)
0.9V
EI
46
0V
CHARGE
47
0V
0V
(3V)
3V
AVcc
48
CD
A
+B
LINE
B
GND
E
O
D701
MA111TX
(2.9V)
2.9V
2.9V
(2.9V)
R726
2.2V
2.2K
(2.2V)
Q701
2.8V
2.8V
B1ADMB000003
(2.3V)
POWER SUPPLY
2.4V
Q902
XP0121000L
MUTING CONT.
(2.4V) 2.4V
0V
(0V)
0V
2.4V
2.9V
0V
(2.4V)
2.4V
0V
0V
2.4V
20
C
B
E
D
H
I
F G
36 35 34 33 32 31 30 29 28 27 26 25
FO-
FO+
TR-
TR+
IC11
TRV-
AN41506A-VB
TRV+
POWER SUPPLY/
SPOUT
MOTOR DRIVE
SPPOL
GND
CLK
RESET1
PVcc2
1 2 3 4 5 6 7 8 9 10 11 12
V
DD
Q18
Q19
UN5113TX
UNR521000L
RESET
RESET
2.8V
0V
0V
Q301
UNR521000L
RESET
2.8V
0V
2.8V
1.3V
1.3V
2.8V
(1.2V)
(2.3V)
0.7V
0.6V
0.6V
2.4V
5
4
3
2
1
V+1
V+2
REG
IC701
VREF
BIAS
AMP
C1BB00000720
HEADPHONE AMP
GND
6
7
8
9
10
0.6V
0V
0.6V
0.6V
(2.4V)
2.4V
2.4V
21
22
H
0V
G
24
0V
(0.1V)
0V
0V
23
F
0V
22
E
0V
21
D
0V
20
C
0V
19
B
0V
(0.6V)
0V
0V
A
18
0V
I
17
16
1.4V
(1.4V)
0V
0V
J
15
2.8V
14
5.7V
(5.3V) 5.9V
6V
13
2.8V
R731
10K
0V
0V
(2.8V)
2.8V
1.7V
C705
R705
4V220
3.3
C706
R706
4V220
3.3
SL-SV550(P,PC) CIRCUIT DIAGRAM
23
A
D
B
C
E
(0.7V)
0V
0.7V
F
0V
0V
Q731
2SC3931CTX
SWITCHING
G
H
I
J
L
M
N
24
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