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Flow Chart of Troubleshooting
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9-15
R503
C512
C514
R508
R510
R509
C515
VBATT
C516
C502
R505
R504
NC
2
A3
VDD
VO+
B3
A1
VO-
_SHUT
B1
U502
BYP
C1
GND
B2
IN+
C2
C3
IN-
1
NC
R507
C509
R506
EAR1O_N
LINE_ON
LINE_OP
AMP_EN
AMP_SPK-
EAR1O_P
10
3
C
C302
C303
40
3
C
C305
C306
C307
C308
C309
C310
C311
21
3
C
31
3
C
41
3
C
51
3
C
61
3
C
71
3
C
C318
91
3
C
02
3
C
C323
C332
C334
53
3
C
C336
C337
83
3
C
9
33
C
C340
C342
C344
C345
C406
C410
C412
31
4
C
02
4
C
C429
10
5
C
C502
40
5
C
C507
9
05
C
01
5
C
21
5
C
C513
4
15
C
5
15
C
C516
91
5
C
C521
2
25
C
32
5
C
C524
43
5
C3
16
C2
16
C
D2(0)
D301
1
06
L
OSC401
T
30
3
R
40
3
R
50
3
R
R306
70
3
R
80
3
R
01
3
R
21
3
R
R314
R315
71
3
R
R318
R320
12
3
R
22
3
R
72
3
R
R333
63
3
R
R403
R404
R405
R502
30
5
R
40
5
R
50
5
R
60
5
R
70
5
R
80
5
R
90
5
R
01
5
R
11
5
R
R513
R517
50
6
R
R606
R607
R608
R609
R610
2
16
R3
16
R4
1
6
R
RESOUT_N
1
0
3
C
S
SC305
TA301
TP303
TP_RF_TCXO
TP_SLEEP_CLK
U301
U502
10
3
P
C
U
Z
Z
Содержание SGH-G400
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