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Flow Chart of Troubleshooting
10-14
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C434
R434
C428
R429
_RD|AUCLK
39 _WR|AUTXD
2
5
S
P
K
P
23
SVDD
1
1
V
C
O
M
6
V
D
D
46 VDDIO
12
V
IN
N
13
VINP
40
_CS|AUSTB
42
P
W
M
1
3
P
W
M
2
3
5
P
W
M
3
3
6
P
W
M
4
47 SCLK
45 SDATA
24
SGND
2
6
S
P
K
N
LRCK
1
M
C
LK
2
7
N
C
44 NC
NC
50
51 NC
7
P
LC
C
5
_
P
O
N
R
S
T
2
8
21
EQ2
EQ3 22
8
G
N
D
49 GND
17
HPOUT-L
HPOUT-R 18
43 IFSEL
48
D0|AURXD
37 D1
3
4
D
2
3
3
D
3
3
2
D
4
31
D
5
3
0
D
6
2
9
D
7
EQ1 20
10
A
G
N
D
AGND 16
4
A
U
IN
T
L
15
AUX1
AUX2
14
9
A
V
D
D
19
AVDD
2
C
LK
I
38
U403
41 A0
1S2
1
4
2
IN
2S1 7
2S2 6
10
D
1
D
2
5
8
GND
VCC
3
U402
1I
N
9
2 1S1
C441
C421
C410
VCCD_2.9V
VBAT
C426
VCCD_2.9V
C423
C425
C427
VCCA_2.9V
C420
R418
V
R
40
1
C400
C419
R412
R404
C424
R432
R400
V
R
40
0
C417
R401
R402
R420
R443
R439
C407
R413
R433
VCCD_2.9V
C402
R411
C405
R403
MIC400
C437
C430
VBAT
C438
C422
C403
R440
R430
VCCD_1.8V
C432
R428
C429
C418
R431
C401
R441
C431
R419
R427
C436
AOUTBN
R442
AOUTBN
SPK_P
MAIN_P
SPK_N
MAIN_N
AS1
AOUTAN
AOUTAP
A(1)
CP_OEN
M
A
IN
_N
M
A
IN
_P
AOUTBP
CLK13M_YMU
YMU_IRQ
AMP_L
AMP_R
EAR_L
D(0)
EAR_R
MEM_RST
VIB_EN
YMU_EN
D(1)
D
(2
)
D
(3
)
D
(4
)
D
(5
)
D
(6
)
D
(7
)
CP_WEN
MICOUTP
MICINP
EAR_MIC_P
EAR_MIC_N
AUXOUTP
AUXINP
AUXINN
AUXOUTN
MICOUTN
MICINN
ANT
FM_RADIO
DCS_TX
DCS_RX
GSM_TX
GSM_RX
SPK
POWER_ON
EAR_MIC
EAR_SPK
MAIN_MIC
SIM
CHARGING
LCD
MOT
CLK
Summary of Contents for SGH-B300
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