Samsung SPH-A940 Service Manual page 54

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Flow Chart of Troubleshooting
S3.6
U511
1
6
VDD
CE
2
5
GND
GND
3
4
1.8V
VOUT
NC
C519
C520
S3.6
U512
1
6
VDD
CE
2
5
GND
GND
3
4
3.0AV
VOUT
NC
C517
C518
S3.6
U502
1
VIN
VOUT
2
GND
3
EN
CAM_VIO_EN
C524
C525
S3.6
U504
1
5
VIN
VOUT
2
GND
3
4
CAM_MOT_ON
EN
BP
C535
C534
C529
CAM_DINT2
D_CAM(0)
D_CAM(2)
D_CAM(4)
D_CAM(6)
MV_CAM_SDA
R540
M_CAM_SDA
1.8V_ON
V_FLASH_5V
3.0AV_ON
5
VIO
(3.1V)
4
BP
C522
C523
C507
M_DRV
(3.1V)
C533
HIOVDD
M_DRV
HIOVDD
R522
C540
C541
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HEA503
AXK8L10125SJ
11
22
33
4
4
55
6
6
77
8
8
99
10
10
NC NC
D502
RB520S-30
11
12
C528
10UF
C531
10V
33PF
50V
R502
U515
C504
C505
C506
19
20
21
22
18
CN
R504
17
VREF
R503
16
U500
FBN
15
VNEG
14
OUTN
13 OUTN
D504
CUS02
12
11
10
R508
-8V_ON
R510
L510
R511
15V_ON
HIOVDD
HEA502
2 2
11
4
3
3
4
6 6
55
8
7
7
8
10 10
99
12
11
11
12
14 14
13 13
16
15
15
16
18 18
17 17
20
19
19
20
22 22
21 21
24
23
23
24
26 26
25
25
28
27 27
28
30 30
29
29
7-22
CAMERA & FLASH
FLASH-
V_MOTOR
(3.1V)
C532
56PF
50V
VIO
(3.1V)
L505
ACZ1005M-152-T
C501
D503
CUS02
23
24
25
26 27
1
INP
2
PGND
L509
3
PGND
4
VIN
5
INN
6
INN
9
8
7
C502
PS
U501
1 VOUT
6
NC
2
5
GND
GND
3
4
EN
VIN
HIOVDD
R521
R542
R543
R544
R541
HIOVDD
(3.1V)
S3.6
C508
CAM_HSYNC
CAM_PCLK
CAM_MCLK
CAM_VSYNC
CAM_RESETB
D_CAM(1)
D_CAM(3)
D_CAM(5)
D_CAM(7)
MV_CAM_SCL
HREF
PCLK
VSYNC
M_CAM_SCL

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