Troubleshooting.pdf
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E:\User Guide\SVC MANUAL\수출 SV...
9. Flow Chart of Troubleshooting
9-1. Power On
' Power On ' does not work
Yes
Check the current
consumption more than
100mA
No
Download again
Yes
Check the VBAT
more than 3.3V
No
Check the Battery
Yes
No
C300(VBAT)=3.0V?
Check the related circuit
Yes
①
Check the MEM_1.8V of U300
is more than 1.8V
1.8V
No
Check the
U300
and
C307
Yes
Check PM300
3.0V_DIG =3.0V
3.0V_ANLG =3.0V
1.2V_ANLG =1.2V
②
No
Check the
PM 300
and
C322, C321,
C313
Yes
③
No
Check CLK32K
Freq =32KHz
Check the clock
32KHz_DIGIT
Yes
Check the initial operation
Yes
END
9-1
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
R
3
0
1
1
.
3
V
V
X
V
B
A
T
T
3
0
0
C
0
2
7
.
V
_
R
F
R
3
0
0
.
1
2
5
.
V
_
S
B
O
T
C
3
C
3
0
C
3
0
2
C
3
3
1
0
0
5
1
0
0
5
C
4
C
3
Q
3
0
C
2
E
C
1
B
C
3
0
7
2
2
0
n
D
C
_
N
I
C
3
H
1
C
C
P
T
P
0
0
F
J
G
P
I
O
1
|
O
T
G
D
N
\
P
O
N
K
Y
P
O
N
K
E
Y
T
P
0
1
G
3
G
P
I
O
2
L
V
I
O
L
D
O
3
.
0
V
D
G
I
H
9
B
1
A
N
A
T
E
T
1
V
I
S
B
A
T
V
A
T
J
B
2
A
N
A
T
E
T
2
V
O
S
F
B
A
1
L
3
0
0
V
O
S
R
G
N
D
C
4
A
2
D
G
I
T
S
0
V
I
S
R
L
1
.
8
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M
E
C
3
D
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T
S
1
A
8
V
A
L
O
1
3
.
0
V
A
N
L
G
F
A
7
I
D
_
N
V
A
L
O
2
3
.
2
V
K
E
Y
L
I
G
H
T
H
2
L
I
D
_
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T
V
A
U
X
D
O
1
2
.
8
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C
A
M
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B
1
V
A
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X
D
O
2
3
.
2
V
V
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F
G
S
N
S
A
1
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S
N
S
V
S
M
D
O
1
L
2
.
9
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L
C
D
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A
1
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M
D
O
2
3
.
3
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U
S
B
_
N
V
R
M
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C
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1
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9
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1
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L
K
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E
Q
P
C
2
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B
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1
W
E
1
T
P
2
U
3
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B
S
2
W
T
P
0
3
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3
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1
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2
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C
D
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3
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0
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A
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C
D
O
2
3
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0
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S
G
1
J
G
2
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T
A
T
1
V
C
L
O
1
_
N
S
J
S
T
T
2
V
C
L
O
2
_
N
S
J
B
4
N
T
C
V
L
V
O
1
1
.
2
V
A
N
L
G
K
9
N
T
C
_
B
A
I
S
V
L
V
O
2
B
3
1
.
3
V
V
F
K
1
N
T
C
_
G
N
D
R
3
0
3
1
K
D
2
A
9
B
B
_
R
E
T
R
E
E
\
V
I
L
M
D
O
S
M
V
C
C
1
0
C
3
9
K
1
L
L
3
1
L
1
R
E
B
P
V
S
R
L
K
2
1
.
2
V
V
O
R
E
R
E
B
P
_
G
N
V
S
F
B
K
1
V
C
S
B
A
T
V
A
T
C
H
1
L
C
L
K
3
K
C
L
K
3
2
V
C
S
R
G
N
D
D
1
E
1
X
T
A
L
I
V
I
S
C
H
G
R
1
0
0
5
C
1
X
T
A
L
O
V
B
A
T
J
1
B
A
C
K
U
P
G
1
V
F
B
D
1
F
1
R
3
0
U
G
N
D
V
S
B
U
S
1
C
D
1
V
S
B
U
S
2
V
U
S
C
1
T
P
0
A
C
C
_
E
T
A
C
D
\
D
3
B
1
P
M
_
R
Q
I
N
T
N
C
1
0
0
5
E
1
S
C
L
S
C
L
N
C
E
2
S
A
S
D
A
N
C
O
S
C
0
1
C
3
3
C
3
2
5
C
3
2
6
C
C
3
2
C
3
C
3
1
C
3
1
C
3
C
3
C
3
C
3
C
1
C
3
2
C
3
2
1
C
3
2
C
2
9
C
3
2
C
C
3
2
4
2
P
B
A
T
0
C345
C310
L300
R205
C328
TP303
C302
C312
C301
C313
C320
TP302
C321
C303
TP300
R300
TP400
C309
C304
9-2
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This Document can not be used without Samsung's authorization
0
2
G
0
1
0
0
S
\
A
3
0
1
4
1
0
7
1
2
3
4
1
1
7
1
0
8
2
0
Flow Chart of Troubleshooting
9-2. Initial
Initial Failure
Yes
U300
pin D2 (RESET/)="H"?
(check the test point)
No
Check the circuit related to reset
Yes
Check the 16bit data signal
& memory CE
Yes
END
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
1
.
V
E
C
2
2
C
D
(
0
1
2
D
(
)
T
P
C
A
0
D
(
)
C
C
A
1
D
(
)
A
2
D
(
)
B
G
3
2
A
3
L
D
D
M
0
D
(
)
M
F
P
8
M
M
A
4
L
D
S
D
S
D
(
)
L
H
T
2
A
5
U
D
D
D
M
1
D
(
)
K
J
T
2
A
6
D
U
S
D
D
S
D
(
)
J
A
7
D
(
)
H
D
T
0
R
A
8
A
E
A
N
D
A
E
H
F
T
2
D
(
)
A
9
C
S
C
D
N
S
D
(
0
D
E
T
1
A
1
R
S
R
D
N
S
D
A
1
H
E
N
D
A
1
R
|
B
D
A
2
G
C
T
1
A
N
D
E
A
1
C
E
G
4
T
1
_
K
D
K
T
4
D
H
T
1
D
K
D
A
B
A
0
C
K
T
6
D
G
8
T
C
D
E
D
1
D
A
B
A
1
C
E
C
T
1
A
N
D
C
E
C
E
T
1
B
E
T
D
D
0
D
Q
D
C
S
D
D
C
C
F
T
2
D
Q
1
D
Q
D
W
P
F
W
P
C
E
D
Q
2
E
O
D
Q
D
_
E
D
F
T
D
Q
3
D
Q
D
_
E
W
D
E
N
D
D
D
Q
4
D
Q
D
_
E
W
N
E
D
Q
5
E
U
M
2
D
Q
D
D
Q
6
E
A
D
Q
D
D
N
D
Q
7
F
A
D
Q
D
D
N
D
Q
8
J
A
0
D
Q
D
D
N
D
Q
9
K
B
D
Q
D
D
N
D
Q
1
K
B
0
D
Q
0
D
N
D
Q
1
L
N
D
Q
1
D
N
D
Q
L
N
0
D
Q
2
D
N
D
Q
1
M
P
D
Q
3
D
N
D
Q
1
M
P
D
Q
4
D
N
D
Q
1
N
P
F
D
1
D
Q
5
D
N
P
1
D
N
F
(
Q
T
2
J
I
O
0
L
J
B
F
(
Q
I
O
1
N
B
F
(
Q
I
O
2
N
L
B
F
(
Q
I
O
3
N
J
E
F
(
Q
I
O
4
N
L
F
F
(
Q
I
O
5
N
J
G
5
F
(
Q
I
O
6
N
L
G
6
F
(
Q
I
O
7
N
K
H
F
(
Q
I
O
8
N
M
K
H
F
(
Q
I
O
9
N
F
(
Q
)
N
I
O
1
N
F
(
Q
)
M
N
I
O
1
N
F
(
Q
)
K
1
I
O
1
N
F
(
Q
)
M
2
I
O
1
N
F
(
Q
)
K
I
O
1
F
(
Q
)
M
I
O
1
M
E
M
R
(
a
e
B
Nc
N
1
b
N
+D
5
2
D
)
TP216
TP208
TP504
TP223
TP227
TP220
C242
TP222
C241
9-4
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T
1
T
0
(
0
(
(
Flow Chart of Troubleshooting
9-3. Charging Part
Abnormal charging part
Yes
Check the U300 pin H11
No
Check the circuit related to
V_EXT_CHARGE
>5.0V
Yes
TP304 pin (ACC_DET)
No
Check the circuit related to
AUX_ON signal
="L"?
Yes
Check the U300 pin K11
No
Resolder or replace U300
≒
1.25V
Yes
END
9-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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