SAMSUNG Proprietary-Contents may change without notice
9. Flow Chart of Troubleshooting
9-1
This Document can not be used without Samsung's authorization
9-1.Baseband
9-1-1. Power ON
'Power On' does not work
Voltage >=3.3V
Download again
Charge the Battery
Pin#J12 >= 2.8V
Check U100 and C110
Pin#A13 and
pin#A14 =2.8V
Check U100, U105 and U106
Freq = 26MHz
Vrms >=300mV
Vpp≒ 900mV
Check the clock generation circuit
(related to 3pin of OSC600, C602, R601)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
pin#G11 =
1.5V
No
Yes
Check the current consumption
Check the Vbat Voltage
Check the pin of U100
Check the clock signal at C601
Current consumption
>= 100mA
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-2
This Document can not be used without Samsung's authorization
C
10
6
C
11
6
C
10
3
C
10
1
V
R
T
C
_1
.5
V
V
C
C
D
_2
.9
V
V
R
F
_
2
.9
V
V
C
C
D
_
2.
9
V
R
10
6
C
10
5
V
L
D
O
7
_
1
.8
V
C
10
2
V
L
D
O
1_
1
.5
V
V
C
C
D
_
2
.9
V
C
1
12
V
C
C
A
_2
.9
V
C
11
1
C
1
0
8
R
10
1
V
C
C
D
_
1.
8
V
C
10
0
V
B
A
T
V
B
A
T
V
C
C
B
_2
.9
V
T
H
1
0
0
7 1
1
C
C
1
1
0
C
1
07
C
1
14
C
1
0
9
C
11
3
C
10
4
3
1
R
M
C
V
X
V
1
D
Q
A
N
E
O
X
U
60
5
V
LD
O
_6
C
12
V
LD
O
_7
A
10
V
R
E
F
4
1
R
N
G
E
R
V
3
1
M
P
G
E
R
V
H
11
V
R
T
C
K
12
V
S
IM
5
G
1
S
S
V
4
K
2
S
S
V
2
R
3
S
S
V
4
S
S
V
6
P
V
IB
_D
R
V
N
E
_
G
N
R
_
B I V
9
L
A
12
V
L4
S
_A
B
11
V
L4
S
_B
D
10
V
L5
S
_A
V
L5
S
_B
C
9
G
11
V
LD
O
_1
J1
2
V
LD
O
_2
V
LD
O
_3
A
13
B
12
V
LD
O
_4
B
10
V
LD
O
_5
A
14
V
D
D
34
C
11
0 1
C
5
D
D
V
3 1
B
7 6
D
D
V
6
A
B
D
D
V
1 1
N
D
D
D
V
1 1
L
V
D
D
V
5
N
1
O I _
D
D
V
4 J
2
O I _
D
D
V
4
C
L
T
C
O
_
D
D
V
V
E
X
T
E
14
F
15
S
IM
_R
S
T
7
E
P
X
T
N
9
U
P
_C
LK
P
10
U
P
_I
O
R
10
U
P
_R
S
T
F
14
V
A
C
C
E
13
V
B
A
T
3 J
1
D
D
V
J1
3
V
D
D
12
3
M
2
D
D
V
6
N
3
D
D
V
7
C
P
Q
X
T
X
R
L8
S
C
LK
_P
S
C
S
D
I_
P
S
C
M
7
N
7
S
D
O
_P
S
C
C
2
S
E
R
C
K
S
E
R
D
A
C
1
S
E
R
LE
1
B
1
A
2
S
E
R
LE
2
K
14
S
IM
_C
LK
J1
1
S
IM
_I
O
K
11
6
B
1
F
E
R
A
R
5
B
2
F
E
R
A
R
R
E
S
E
T
N
_C
S
P
R
3
9
K
O
_
T
E
S
E
R
F
13
R
IN
G
_D
R
V
H
10
R
T
C
_A
L
M
N
4
N
K
L
C
_
C
T
R
L2
R
W
N
6
D
N I X
T
X
R
7
D
P I X
T
X
R
6
C
N
Q
X
T
X
R
C
5
F
5
O
C
T
L2
O
C
T
L3
E
5
A
4
O
C
T
L4
O
C
T
L5
G
6
B
3
O
C
T
L6
O
C
T
L7
A
3
7
L
F
U
B
_ 1
W
S
P
9
M
P
E
E
K
_
R
W
P
5
1
C
N
1
W
S
_
R
W
P
4
1
C
2
W
S
_
R
W
P
LE
D
1_
D
R
V
G
12
LE
D
2_
D
R
V
6
R
C
M
4
1
M
N
N I C I M
4
1
N
P
N I C I M
5
1
P
N
T
U
O
C I M
5
1
N
P
T
U
O
C I M
0
1
N
E
D
O
M
5
C
N
1
2
6
C
N
E
6
O
C
T
L0
O
C
T
L1
9
G
7
S
D
N
G
0 1
G
8
S
D
N
G
6
H
9
S
D
N
G
3 1
P
V
D
N
G
1 1
F
R
U
C
H
_
D
N
G
4
B
L
T
C
O
_
D
N
G
5 1
B
1
C
S
P
_
D
N
G
5 1
K
2
C
S
P
_
D
N
G
0
1
L
Q
R
T
N I
I|O
L3
G
13
2 1
S
D
N
G
9
H
7 J
3 1
S
D
N
G
8 J
4 1
S
D
N
G
9 J
5 1
S
D
N
G
6 1
S
D
N
G
0 1 J
0 1
K
7 1
S
D
N
G
8
F
2
S
D
N
G
9
F
3
S
D
N
G
0 1
F
4
S
D
N
G
7
G
5
S
D
N
G
8
G
6
S
D
N
G
D
B
6
G
4
D
B
7
F
4
D
B
8
F
1
D
B
9
R
T
N I D
3
P
6
F
B
D
N
G
D
D
N
G
0 1
M
8
E
Q
D
N
G
7
F
1
S
D
N
G
7
H
0 1
S
D
N
G
8
H
1 1
S
D
N
G
F
2
D
B
10
F
3
D
B
11
E
2
D
B
12
E
3
D
B
13
D
3
D
B
14
D
B
15
D
2
K
3
D
B
2
D
B
3
J5
J6
D
B
4
H
5
D
B
5
G
3
C
H
_B
D
R
V
F
12
C
H
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S
E
N
D
14
C
H
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S
C
R
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F
E
9
K
8
C
S
N
_P
S
C
4
R
K
C I A
D
6
L
I D I A
D
6
M
O
D I A
D
4
P
N
R I A
D
K
1
D
B
0
D
B
1
K
2
9
D
C
F
A
2
1
N
N
A
T
U
O
A
1
1
P
P
A
T
U
O
A
2
1
P
N
B
T
U
O
A
2
1
R
P
B
T
U
O
A
4
1
L
N
N I X
U
A
5
1
M
P
N I X
U
A
3
1
L
N
T
U
O
X
U
A
3
1
K
P
T
U
O
X
U
A
3 1
D
3
C
D
A
_
X
U
A
E
11
A
B
1
P
1
L5
A
B
2
A
B
3
N
1
N
2
A
B
4
A
B
5
M
2
M
1
A
B
6
A
B
7
K
7
K
5
A
B
8
E
10
A
D
C
_A
U
X
1
D
15
A
D
C
_A
U
X
2
4
X
U
A
_
C
D
A
5
P
U
10
0
K
6
A
B
0
C
11
5
V
C
C
A
_2
.9
V
V
B
A
T
R
1
0
0
V
C
C
B
_2
.9
V
1
2
R
1
07
B
A
T
10
0
K
E
Y
_B
L1
S
V
C
_L
E
D
V
IB
_E
N
B
A
N
D
_
S
E
L
1
B
A
N
D
_
S
E
L
2
V
S
IM
U
P
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D
I
N
N I X
U
A
N
T
U
O
X
U
A
IC
H
R
G
D
S
P
_I
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X
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N
A
V
M
O
D
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N
R
F
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N
T
X
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N
F
LA
S
H
_R
E
S
E
T
D
S
P
_R
W
N
S
IM
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LK
S
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_I
O
S
IM
_R
S
T
M
O
T
U
P
_S
D
O
IN
T
R
Q
F
U
B
_ 1
W
S
P
Q
A
N
E
O
X
S
IM
R
S
T
S
IM
D
A
T
A
P
N I C I M
N
N I C I M
P
T
U
O
C I M
N
T
U
O
C I M
P
N I X
U
A
P
T
U
O
X
U
A
R
S
T
P
W
R
_K
E
E
P
U
P
_S
C
LK
U
P
_C
S
P I X
T
R
N I X
T
R
P
Q
X
T
R
N
Q
X
T
R
P
A
T
U
O
A
N
A
T
U
O
A
P
B
T
U
O
A
N
B
T
U
O
A
K
2 3
K
L
C
C
M
_
M
3 1
K
L
C
N
O
_
R
W
P
N
O
_
G I J
R
T
C
A
LA
R
M
S
IM
C
LK
D
S
P
_D
B
(0
)
D
S
P
_A
B
(0
:8
)
D
S
P
_A
B
(8
)
D
S
P
_A
B
(7
)
D
S
P
_A
B
(6
)
D
S
P
_A
B
(5
)
D
S
P
_A
B
(4
)
D
S
P
_A
B
(3
)
D
S
P
_A
B
(2
)
D
S
P
_A
B
(1
)
D
S
P
_A
B
(0
)
T
N I _
P
S
D
S
E
R
LE
S
E
R
D
A
T
S
E
R
C
LK
C
F
A
R
W
P
_
X
T
D
S
P
_D
B
(0
:1
5)
D
S
P
_D
B
(1
5)
D
S
P
_D
B
(1
4)
D
S
P
_D
B
(1
3)
D
S
P
_D
B
(1
2)
D
S
P
_D
B
(1
1)
D
S
P
_D
B
(1
0)
D
S
P
_D
B
(9
)
D
S
P
_D
B
(8
)
D
S
P
_D
B
(7
)
D
S
P
_D
B
(6
)
D
S
P
_D
B
(5
)
D
S
P
_D
B
(4
)
D
S
P
_D
B
(3
)
D
S
P
_D
B
(2
)
D
S
P
_D
B
(1
)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-3
This Document can not be used without Samsung's authorization
C607
VCCD_2.9V
C602
C603
3
1
OSC600
2
4
2
L
A
T
X
30
9
N
D
P_
T
E
S
E
R_
10
2 _SEN
VRF_2.9V
28
D
D
V
29
D
D
V
OI
V
11
VI
D
X
26
32
N
E
X
25
E
D
O
M
X
XOUT
8
1
L
A
T
X
31
18
RFIPN
17
RFIPP
16
H
O
F
R
L
O
F
R
15
1 SCLK
3 SDIO
12
D
D
V
13
D
D
V
C
N
34
35
C
N
24
RFIAN
23
RFIAP
20
RFIDN
19
RFIDP
22
RFIEN
21
RFIEP
U600
C
F
A
27
BIN
6
7 BIP
4 BQN
5 BQP
D
N
G
14
33
D
N
G
R601
C609
C604
R602
R603
C600
C601
R600
C608
C606
C605
GSM_LNA_IN_N
GSM_LNA_IN_P
GSM_PAM_IN
CLK13M_TR
CLK13M_MC
CLK13M_YMU
AFC
XOENA
RTXIN
RTXIP
RTXQN
RTXQP
RF_EN
SERCLK
SERDAT
SERLE
DCS_LNA_IN_N
DCS_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
DPCS_PAM_IN
EN
4
FB
GND
2
5
SW
1 VIN
U105
3
L101
C131
VBAT
R108
C132
VCCD_1.8V
HP_CORE_1.57V
C130
1
01
F
2
1
3
VLDO7_1.8V
D100
VLDO1_1.5V
3 EN
4
FB
GND
2
SW 5
1 VIN
U106
L100
TA103
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-4
This Document can not be used without Samsung's authorization
9-1-2. Initial
Initial Failure
The pin #C12 of U100 =
1.8V and
the pin #J12 of U100 =
2.8V ?
Check the
U100
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #K9 of U100
"Low → High" ?
Yes
No
Check the
U100
(if it has some problem, it is to be replaced.)
There is 32.768kHz wave
forms at the C209 and
C210
Yes
No
Check the
U200
Is the pin #3 of U105 &
U106 "High"?
The voltage is "High" at
the C111,C106
Check the
U100
Check the
U105 & U106
LCD display is O.K?
No
No
Yes
Yes
Yes
Check the LCD part
No
Sound is O.K?
Yes
No
Check the Audio part
END
Yes
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-5
This Document can not be used without Samsung's authorization
CP_TCK
CP_TDO
CP_TDI
CP_TMS
C205
HP_CORE_1.57V
C203
C202
C200
VRTC_1.5V
9
H
0
1
H
7
S
S
V
8
S
S
V
1
1
H
2
1
H
9
S
S
V
1
1
R
D
_
A
S
S
V
8
1
F
U
_
A
S
S
V
91
H
C
T
R
1
X
C
T
R
2
X
91
F
8
L
3
1
S
S
V
4
1
S
S
V
8
M
9
M
5
1
S
S
V
6
1
S
S
V
0
1
M
1
1
M
7
1
S
S
V
8
1
S
S
V
2
1
M
2
S
S
V
8
1
A
8
G
3
S
S
V
4
S
S
V
9
G
8
H
5
S
S
V
6
S
S
V
6
1
B
1
C
5
_
8
P
1
_
OI
_
D
D
V
6
_
8
P
1
_
OI
_
D
D
V
4
1
C
9
D
7
_
8
P
1
_
OI
_
D
D
V
8
_
8
P
1
_
OI
_
D
D
V
8
1
D
1
F
9
_
8
P
1
_
OI
_
D
D
V
C
T
R
V
8
1
G
2
A
1
S
S
V
0
1
S
S
V
21
J
8
K
1
1
S
S
V
2
1
S
S
V
7
L
4
L
6
1
L
1
1
_8
P
1_
OI
_
D
D
V
2
1
_8
P
1_
OI
_
D
D
V
1
P
8
1
T
3
1
_8
P
1_
OI
_
D
D
V
4
1
_8
P
1_
OI
_
D
D
V
1
U
5
U
5
1
_8
P
1_
OI
_
D
D
V
6
1
_8
P
1_
OI
_
D
D
V
2
1
U
8
W
7
1
_8
P
1_
OI
_
D
D
V
8
1
_8
P
1_
OI
_
D
D
V
8
1
W
2
_
8
P
1
_
OI
_
D
D
V
6
B
2
1
B
3
_
8
P
1
_
OI
_
D
D
V
4
_
8
P
1
_
OI
_
D
D
V
U
_
A
D
D
V
7
1
F
8
B
1
E
R
O
C_
D
D
V
2
E
R
O
C_
D
D
V
3
1
B
2
G
3
E
R
O
C_
D
D
V
4
E
R
O
C_
D
D
V
8
1
H
2
M
5
E
R
O
C_
D
D
V
6
E
R
O
C_
D
D
V
8
1
N
7
V
7
E
R
O
C_
D
D
V
8
E
R
O
C_
D
D
V
3
1
V
4
B
1
_
8
P
1
_
OI
_
D
D
V
0
1
_8
P
1_
OI
_
D
D
V
TCK
TDI
V14
T12
TDO
U15
TEST1
TEST2 T14
V16
TEST3
4
1
W
S
M
T
N
T
S
R
T
2
1
R
3
M
0
X
T
7
K
1
X
T
D
_
A
D
D
V
1
1
T
6
L
4
P
K
L
C
MI
S
OI
MI
S
2
T
0
K
L
C
P
S
3
R
SPCLK1_PIO18
M18
0
S
F
P
S
3
T
N15
SPFS1_PIO15
4
R
0
D
X
R
P
S
M17
SPRXD1_PIO17
2
U
D
S
2I
_0
D
X
T
P
S
SPTXD1_I2SD_PIO16 N16
U14
71
R
X
R
A
D
RI
_
24
OI
P
N
E
_
0
T
A
D
_I
C
M
_
34
OI
P
41
N
PIO47
J16
6
4
OI
P
_1
M
W
P
5
G
5
1
G
N
T
S
E
R
3
P
1
0
OI
P_
OI
R
71
H
N
M
R
A
L
A
C
T
R
4
0
OI
P_
0
S
T
R
2
N
RWN
V6
82
Q
RI
_0
X
R
1
M
82
Q
RI
_1
X
R
P12
31
R
23
OI
P
PIO33
U18
R14
PIO34
F2 PIO35_A_A25_BOOTSEL
N
E
O
_
B
S
U
_
63
OI
P
61
F
71
E
A
T
A
D
_
B
S
U
_
73
OI
P
K
L
C
_I
C
M
_
83
OI
P
51
J
N
E_
D
M
C
_I
C
M
_
93
OI
P
41
L
41
M
N
E
_
T
A
D
_I
C
M
_
04
OI
P
X
T
A
D
RI
_
14
OI
P
61
R
51
P
91
P
Q
E
R
K
L
C
S
Y
S
_
02
OI
P
0
T
A
D
_I
C
M
_
12
OI
P
31
K
21
L
1
T
A
D
_I
C
M
_
22
OI
P
2
T
A
D
_I
C
M
_
32
OI
P
31
L
51
L
3
T
A
D
_I
C
M
_
42
OI
P
52
OI
P
91
V
61
U
62
OI
P
91
U
72
OI
P
82
OI
P
71
W
PIO30_WAITN
E14
PIO31_IRQ6
T
U
O
2
3
C
S
O
61
G
P16
PIO00_IRQ5
91
B
P
S
U
S
_
B
S
U
_
70
OI
P
31
J
D
M
C
_I
C
M
_
80
OI
P
I
P
V
_
B
S
U
_
90
OI
P
91
C
71
V
01
OI
P
81
C
I
M
V
_
B
S
U
_
11
OI
P
O
P
V
_
B
S
U
_
21
OI
P
71
D
61
E
O
M
V
_
B
S
U
_
31
OI
P
T
S
R
MI
S
_
41
OI
P
5
P
P
E
E
K
R
W
P
_
91
OI
P
11
D
R
B
Y
E
K
2
D
R
B
Y
E
K
5J 4J
3
D
R
B
Y
E
K
4
D
R
B
Y
E
K
8J 6H
F
U
B_
1
W
S
P
_5
D
R
B
Y
E
K
6
D
R
B
Y
E
K
4
H
1
H
7
D
R
B
Y
E
K
8
D
R
B
Y
E
K
3
H
6
G
9
D
R
B
Y
E
K
1
C
N
1
2
2
C
N
T15
W6
IO
IOBIT0_PIO05
V12
N11
IOBIT1_PIO06
M16
IRQ1
IRQ2
M19
P17
IRQ3
IRQ4
P18
0
D
R
B
Y
E
K
7J 6J
1
D
R
B
Y
E
K
01
D
R
B
Y
E
K
4
G
2
H
P11
D_D15
D_D2 R7
T7
D_D3
D_D4 R8
V8
D_D5
D_D6 U8
T8
D_D7
D_D8 T9
R9
D_D9
H14 FLASHRSTN
INT0
D_A5
D_A6
V4
N6
D_A7
D_A8
R6
D_D0 U6
T6
D_D1
D_D10
P8
P9
D_D11
D_D12
N8
N9
D_D13
D_D14
N10
N12
CPTSTSTOP_CKO T17
6
M
9
2
OI
P_
0
S
T
C
44
OI
P
_
0
D
C
D
5
N
20
OI
P_
0
R
S
D
2
P
4
N
3
0
OI
P_
0
R
T
D
D_A0
V1
W2
D_A1
D_A2
W3
V3
D_A3
D_A4
U4
T5
G10
A_D3
A_D4
G11
F11
A_D5
A_D6
E11
G12
A_D7
A_D8
D11
E12
A_D9
B14
A_OEN
A_WEN
D14
I
K
C
2
1
W
CKO_IACK
F15
B17
A_CS7N
A_D0
A8
E9 A_D1
A_D10
C12
A12
A_D11
A_D12
F12
D12 A_D13
A_D14
E13
D13 A_D15
A_D2
F9
A_A7
A_A8
C4
C2 A_A9
A_BE0N
H16
A17
A_BE1N
A_CS0N
A14
C15 A_CS1N
A_CS2N
G14
J14
A_CS3N
A_CS4N
D15
C16 A_CS5N
A_CS6N
D8 A_A2
A_A20
E4
E3 A_A21
A_A22
F5
F4 A_A23
A_A24
F3
A6
A_A3
A_A4
C6
C5 A_A5
A_A6
D7
E7
A_A1
A_A10
A3
B3
A_A11
A_A12
B1
D6 A_A13
A_A14
D5
D3 A_A15
A_A16
E8
F8 A_A17
E6 A_A18
D2 A_A19
UCP200
ATCK_CTS1 M4
L5
ATDI_RTS1
ATDO_PWM2 T13
K12
ATMS_PIO45
A_A0
B7
C8
TP211
C210
TP210
VCCD_1.8V
TP212
HP_CORE_1.57V
C208
R204
TP213
TP209
C207
C209
VLDO1_1.5V
C218
OSC200
C201
C206
C204
C217
R209
R210
DSP_TMS
DSP_TCK
L
E
S
_
T
U
O_
OI
D
U
A
F
C
UP_SCLK
PCM_CLK
UP_CS
PCM_SYNC
UP_SDO
PCM_OUT
UP_SDI
PCM_IN
DSP_TDI
DSP_TDO
TR_RST
BT_RXD
SDS_TXD
EAR_SWITCH
NAND_INT
CHG_OFF
LED_DATA
USB_CON
USB_OEN
USB_DATA
M_HOLD
BRIGHTNESS
RTCALARM
BT_CTS
DSP_RWN
BT_TXD
SDS_RXD
SIMCLK
SIMDATA
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
CLK32K
HALL_SENSOR
USB_SUSP
USB_DET
BT_WAKE
USB_VPO
USB_VMO
SIMRST
PWR_KEEP
XOENAQ
AMP_EN
EAR_SEL
CHG_DET
DSP_IO
SPK_SEL
FLASH_EN1
INTRQ
JACK_IN
YMU_IRQ
LCDC_INT
KEY_COL(0)
KEY_COL(1)
KEY_ROW(4)
KEY_ROW(5)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
PSW1_BUF
KEY_ROW(0)
DSP_DB(1)
DSP_DB(10)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
DSP_INT
A(0)
CLK13M_TR
BT_RTS
HOST_WAKE
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_AB(8)
DSP_DB(0)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
DSP_DB(0:15)
DSP_AB(0:8)
KEY_COL(0:4)
LCDC_CS
FLASH_RESET
RAM_CS
KEY_ROW(0:5)
CP_WEN
ROM1_CS
LOWER_BYTE
ONENAND_CS
YMU_CS
A(0:24)
D(15)
A(24)
A(23)
A(22)
A(21)
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
CP_OEN
UPPER_BYTE
D(0:15)
D(14)
D(13)
D(12)
D(11)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-6
This Document can not be used without Samsung's authorization
9-1-3. Sim Part
Check the voltage at
pin#1 of CN111 >=
2.8V ?
"Insert SIM is displayed on the LCD
Check the SIM
connector's (SIM111)
connection to SIM card
Check the
U100
Resolder or change
SIM111
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#6 of CN111 ?
Check the
UCP200
Check the SIM Card
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-7
This Document can not be used without Samsung's authorization
9-1-4. Microphone Part
Is the assembled status
of microphone O.K?
Microphone does not work
Reassembled the microphone
Resolder or change
R411,R413,R414,R415,R416,R417,
C414,C415
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check
U100
Check the reference voltage on mic path
C101 ≒ 2.8V ?
Yes
VR402
R414
C416
R415
VR404
C418
R417
C417
C422
R411
VCCA_2.9V
C419
C420
VR403
VR401
TA404
C413
C415
R416
R412
C421
R413
C414
V400
MAIN_MIC_N
AK_MIC-
MAIN_MIC_P
AK_MIC+
MICOUTP
MICINP
MICINN
MICOUTN
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-8
This Document can not be used without Samsung's authorization
9-1-5. Speaker Part_1(MP3, SPEAKER PHONE)
There is no sound from the Speaker
Are there any signals at
the terminal of Speaker?
Yes
Replace the Speaker
No
Are there any signals at
the R321, R322
Yes
Yes
Check
U303
What is the type of
sound from the
Speaker
Is there any
signals at the
C432, C433?
Is there any
signals at the
C436, C437?
MP3
SPEAKER PHONE
Check
UCD302
Check
U100
No
No
Check
U401
END
Yes
Yes
The pin #2 of
U401 is
"High"?
Is there any
signals at the
C434, C435?
Check
UCD301
Yes
MELODY
Are there any signals at
the L300, L301
The pin#10 of
U401 is "High"?
Check
UCP200
No
No
No
No
Check
UCP200
Yes
Yes
Check
U401
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-9
This Document can not be used without Samsung's authorization
C432
C410
C406
C434
C408
C435
R431
R409
17
21
NC
NC
22
+
V
14
9
4S1
11
2
S
4
13
16
1
D
D2
4
8
3
D
12
D4
D
N
G
6
D
N
G
1-2IN
2
1
S
1
15
1S2
1
3
2S1
2
S
2
5
10
3-4IN
7
1
S
3
3S2
U401
C437
C407
VBAT
C433
C409
R410
C436
C411
MELODY-
MELODY+
AUDIO_OUT_SEL
AOUTBP
AOUTBN
AMP_IN-
MP3_SPK-
SPK_SEL
YMU+
YMU-
AOUTAN
AOUTAP
AMP_IN+
MP3_SPK+
SPK+
SPK-
R321
C342
C335
VIM
C1
A1
VIP
VOM A3
C3
VOP
A2
VSS
U303
N
E
2
C
C
N
1
C
N
2
D
D
V
P
2
B
B3
PVSS
VDD
B1
R331
R330
L302
VBAT
C343
TA304
R322
R320
R319
TA305
R328
L300
C334
L301
AMP_IN+
R329
MELODY+
MELODY-
AMP_IN-
AMP_EN
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-10
This Document can not be used without Samsung's authorization
9-1-6. Speaker Part_2(RECEIVER)
There is no sound from the Speaker
Is the terminal of Speaker
O.K ?
No
Replace the Speaker
Yes
Are there any signals at
the PIN#8, #12 of U401
No
Check
U401
Yes
Are there any signals at
the PIN#9, #13 of U401
No
Check
U100
END
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-11
This Document can not be used without Samsung's authorization
9-1-7. Charging Part
Abnormal charging part
What is the type
of Charging
TA Charging
The pin #1 of
U102 is
TA_VEXT 뵃 5V?
Yes
Check
IFC503
No
The pin #5 of
U102 is
"LOW"?
Yes
No
Check
UCP200
No
Check
U102
Charging Current
is 350mA~650mA?
Yes
END
Check The Battery
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-12
This Document can not be used without Samsung's authorization
NC
NC
22
NC
23
24 NC
NC 25
26
NC
27
NC
NC 28
20
20
3 3
4
4
5
5
6
6
7
7
8
8
9
9
21
13
13
14
14
15
15
16
16
17 17
18
18
19 19
2
2
IFC503
1
1
10
10
11
11
12
12
USB_5V
C543
3
4
5
6
7
8
00
5
D
Z
1
2
ZD504
20
5
D
Z
C542
30
5
D
Z
R503
R501
7
8
10
5
D
Z
1
2
3
4
5
6
R502
VCCD_1.8V
VR514
TA_VEXT
TA501
R526
VBAT
R500
JACK_IN
SDS_RXD
EAR_SWITCH
JIG_ON_IF
IF_EAR_L
IF_EAR_R
EAR_MIC_N
EAR_MIC_P
USB_D-
USB_D+
SDS_TXD
8
_CHG
_EN 5
10 11
G G
12
GND
3
2 IN
4 ISET
VL
1
6
_ACOK
U102
BATT 7
9
G G
R105
C136
VBAT
C124
TA100
R104
CHG_OFF
TA_VEXT
ICHRG
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-13
This Document can not be used without Samsung's authorization
9-2. RF
9-2-1. EGSM RX
NORMAL CONDITION
catch the channel?
No
CHECK
ANT600
,
R604
contact?
Yes
PAM601 Check
Pin12 ≥ -65dBm ?
Yes
No
RFS600,L603,L604,C619
resolder or change
PAM601 Check
Pin16 ≥ -65dBm ?
Yes
No
PAM601
resolder or change
U600 Check
Pin21,22 ≥ -65dBm ?
Yes
No
C610
,
C611
,
C619, F600
resolder or change
U600 Check
Pin11,12,13,28,29 : 2.9V ?
Yes
No
U100
pin
#A13
,
C109
,
#C4
,
C100
resolder or change
U600 Check
Pin30,31 : 26Mhz?
Vp-p : 950mV?
Yes
No
OSC600
resolder or change
U600 Check
Pin4, 5, 6, 7
Vp-p : 120mV?
Yes
No
U600
resolder or change
U100
CHECK!!
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-14
This Document can not be used without Samsung's authorization
C620
RFS600
A
2
3
C
1
GND
4
GND
C628
L607
C617
C615
L602
C625
R605
L603
C630
TA600
C618
L606
L600
27NH
R604
4
OUT
C614
F601
G
2
G
5
1
IN
OUT
3
ANT600
C610
C611
OUT
3
4
OUT
F600
G
2
G
5
1
IN
TP
U604
C626
TP
ANT601
C627
01
VCC1
3
VCC2
9
N
E_
D
O
M
V
8
P
M
A
R
V
6
X
T
V
02
1
X
R
81
2
X
R
61
3
X
R
41
4
X
R
2
V1
7
T
T
A
B
V
4
1
S
B
V
5
2
S
B
V
21
T
N
A
1
NI
S
C
P|
S
C
D
13
GND1
15
GND2
17
GND3
19
GND4
21
GND5
1
1
NI
X
T0
09|
05
8
M
S
G
PAM601
C616
C629
C621
C619
L605
C612
C613
L604
C623
1
IN
OUT
3
OUT
4
C622
F602
G
2
5
G
8.2NH
L601
VBAT
ANT
TX_EN
DPCS_PAM_IN
GSM_PAM_IN
BAND_SEL1
BAND_SEL2
VMOD_EN
PCS_LNA_IN_N
DCS_LNA_IN_P
DCS_LNA_IN_N
TX_PWR
GSM_LNA_IN_P
GSM_LNA_IN_N
PCS_LNA_IN_P
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-15
This Document can not be used without Samsung's authorization
9-2-2. DCS RX
NORMAL CONDITION
catch the channel?
No
CHECK
ANT600
,
R604
contact?
Yes
PAM601 Check
Pin1 ≥ -65dBm ?
No
RFS600,L603,L604,C619
resolder or change
Yes
PAM601 Check
Pin16 ≥ -65dBm ?
No
PAM601
resolder or change
Yes
U600 Check
Pin19,20 ≥ -65dBm ?
No
C612
,
C613
,
C617, F601
resolder or change
Yes
U600 Check
Pin11,12,13,28,29 : 2.9V ?
Yes
No
U100
pin
#A13
,
C109
,
#C4
,
C100
resolder or change
U600 Check
Pin30,31 : 26Mhz?
Vp-p : 950mV?
No
OSC600
resolder or change
Yes
U600 Check
Pin4, 5, 6, 7
Vp-p : 120mV?
No
U600
resolder or change
Yes
U100
CHECK!!
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-16
This Document can not be used without Samsung's authorization
9-2-3. PCS RX
NORMAL CONDITION
catch the channel?
Yes
No
CHECK
ANT600
,
R604
contact?
PAM601 Check
Pin1 ≥ -65dBm ?
No
RFS600,L603,L604,C619
resolder or change
Yes
PAM601 Check
Pin20 ≥ -65dBm ?
No
PAM601
resolder or change
Yes
U600 Check
Pin17,18 ≥ -65dBm ?
No
C614
,
C615
,
C618, F602
resolder or change
Yes
U600 Check
Pin11,12,13,28,29 : 2.9V ?
No
U100
pin
#A13
,
C109
,
#C4
,
C100
resolder or change
Yes
U600 Check
Pin30,31 : 26Mhz?
Vp-p : 950mV?
No
OSC600
resolder or change
Yes
U600 Check
Pin4, 5, 6, 7
Vp-p : 120mV?
No
U600
resolder or change
Yes
U100
CHECK!!
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-17
This Document can not be used without Samsung's authorization
9-2-4. EGSM TX
Yes
U100
check & change
No
PAM601 pin 12 :
about 32dBm?
PAM601
pin 6 : 2.6V ?
No
ANT600,R604,C619
RFS600,L603,L604,
check & change
Yes
PAM601
pin7: 3.7V?
No
BATTERY
check & change
Yes
PAM601 pin11
about 5dBm ?
No
PAM601
check & change
U100
check
No
PAM601
pin 8 : 2.8V ?
Yes
Yes
U600
pin9,11.12,13,28,
29
: 2.9V ?
No
U100
pin
A13,J12,B3
check or resolder
U600
pin30,31 :
26MHz ?
Vp-p : 950mV ?
No
OSC600
check or resolder
U600
pin4,5,6,7
100mV ?
No
Yes
Yes
U100
check or resolder
U600
check or resolder
Yes
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-18
This Document can not be used without Samsung's authorization
9-2-5. DCS TX
Yes
U100
check & change
No
PAM601 pin 12 :
about 30dBm?
PAM601
pin 6 : 2.6V ?
No
ANT600,R604,C619
RFS600,L603,L604,
check & change
Yes
PAM601
pin7: 3.7V?
No
BATTERY
check & change
Yes
PAM601 pin1
about 5dBm ?
No
PAM601
check & change
U100
check
No
PAM601
pin 8 : 2.8V ?
Yes
Yes
U600
pin9,11.12,13,28,
29
: 2.9V ?
No
U100
pin
A13,J12,B3
check or resolder
U600
pin30,31 :
26MHz ?
Vp-p : 950mV ?
No
OSC600
check or resolder
U600
pin4,5,6,7
100mV ?
No
Yes
Yes
U100
check or resolder
U600
check or resolder
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-19
This Document can not be used without Samsung's authorization
9-2-6. PCS TX
Yes
U100
check & change
No
PAM601 pin 12 :
about 30dBm?
PAM601
pin 6 : 2.6V ?
No
ANT600,R604,C619
RFS600,L603,L604,
check & change
Yes
PAM601
pin7: 3.7V?
No
BATTERY
check & change
Yes
PAM601 pin1
about 5dBm ?
No
PAM601
check & change
U100
check
No
PAM601
pin 8 : 2.8V ?
Yes
Yes
U600
pin9,11.12,13,28,
29
: 2.9V ?
No
U100
pin
A13,J12,B3
check or resolder
U600
pin30,31 :
26MHz ?
Vp-p : 950mV ?
No
OSC600
check or resolder
U600
pin4,5,6,7
100mV ?
No
Yes
Yes
U100
check or resolder
U600
check or resolder
Yes
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