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SGH-X660 Flow Chart of Troubleshooting
2-
2
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1
VBAT
C126
VBAT
C118
C120
C117
VCCD_1.8
C122
C119
VRF_2.9 VCCD_2.9
VCCA_2.9
VCCB_2.9
C121
VCCB_2.9
VREF A10
N
G
E
R
V
41
R
P
G
E
R
V
31
M
VRTC H11
M
C
V
X
V
31
R
Q
A
N
E
O
X
1
D
A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
J12
VLDO_2
VLDO_3 A13
VLDO_4 B12
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
E14
VEXT
VIB_DRV F15
N
E_
G
N
R_
BI
V
9
L
VL4S_A
VACC F14
VBAT E13
L8
M7
SDI_PSC
SDO_PSC N7
9
K
O_
T
E
S
E
R
RING_DRV F13
RTC_ALMN H10
K
L
C
_
C
T
R
4
N
6
C
N
Q
X
T
X
R
SCLK_PSC
F
U
B
_1
W
S
P
7
L
P
E
E
K
_
R
W
P
9
M
N1
W
S
_
R
W
P
51
C
2
W
S
_
R
W
P
41
C
C
M
6
R
N
NI
CI
M
41
M
P
NI
CI
M
41
N
N
T
U
O
CI
M
51
P
P
T
U
O
CI
M
51
N
E
D
O
M
01
N
Q
R
T
NI
01
L
LED1_DRV G13
LED2_DRV G12
R
T
NI
D
3
P
CH_RES D14
E9
CREF
K8
CSN_PSC
K
CI
A
D
4
R
I
DI
A
D
6
L
O
DI
A
D
6
M
N
RI
A
D
4
P
N
A
T
U
O
A
21
N
P
A
T
U
O
A
11
P
N
B
T
U
O
A
21
P
P
B
T
U
O
A
21
R
N
NI
X
U
A
41
L
P
NI
X
U
A
51
M
N
T
U
O
X
U
A
31
L
31
K
P
T
U
O
X
U
A
CH_BDRV E11
CH_ISEN F12
ADC_AUX1 E10
ADC_AUX2 D15
4
X
U
A
_
C
D
A
5
P
U102
C123
R112
AGND
R111
R108
R107
10K,1%
R109
VCCB_2.9
C124
R110
C113
R101
TH101
C105
R117
RTCALARM
UP_SDI
UP_SDO
UP_SCLK
UP_CS
BAND_SEL1
BAND_SEL2
KEY_BACKLIGHT
TP101
T
NI
_
P
S
D
C
M
_
M3
1
K
L
C
K
2
3
K
L
C
P
NI
X
U
A
N
NI
CI
M
P
NI
CI
M
N
T
U
O
CI
M
N
B
T
U
O
A
P
T
U
O
CI
M
P
B
T
U
O
A
N
A
T
U
O
A
P
T
U
O
X
U
A
P
A
T
U
O
A
ICHRG
N
NI
X
U
A
N
T
U
O
X
U
A
N
G
E
R
V
P
G
E
R
V
F
U
B
_1
W
S
P
Q
A
N
E
O
X
BP_VF
INTRQ
PWR_KEEP
RST
N
O_
R
W
P
N
O_
GI
J
VEXT