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Flow Chart of Troubleshooting and Circuit Diagrams
3-18
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C624
82
6
R
0
16
R
C659
VBAT
R606
R604
VOM
9
VOP
1
VREF
5
S
S
V
S
S
V
6
VSS 11
VSS 10
7
8
D
D
V
D
D
V
13
D
D
V
14
15
D
D
V
16
D
D
V
VIM
2
VIP
3
12
4
EN
17
D
N
G
NC
18
19 NC
D
D
V
U904
7
2
6
C
9
2
6
R
C 6
GND
2
VCC 5
4
Y
U605
1 A
B
3
92
6
C
R605
C628
C630
DM_2.9V
1
16
R
SPK_RCV_N
AMP_L
SPK_RCV_P
MSM_AMP_EN
DM_AMP_EN
90
6
R
DM_2.9V
3
GND
1
NI
8
2
NI
4
1
C
N
10
7
NC2
NO1
2
5
2
O
N
VCC
9
U611
COM1
1
COM2
6
C631
7
36
C
43
6
C
80
6
R
R_
R
A
E_
M
S
M
L_
R
A
E
_
M
S
M
EAR_AMP_R
2
N
E
_
W
S_
D
U
A
AK_SPK_L
AMP_L
R
_
K
P
S_
K
A
