SGH-S341i
SERVICE
Manual
GSM TELEPHONE
CONTENTS
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
Block Diagrams
6.
PCB Diagrams
GSM TELEPHONE
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1. SGH-S341i Specification
1-1
This Document can not be used without Samsung's authorization
1. GSM General Specification
G S M 9 0 0
P h a s e 1
E G S M 9 0 0
P h a s e 2
D C S 1 8 0 0
P h a s e 1
P C S 1 9 0 0
F r e q . B a n d [ M H z ]
U p l i n k / D o w n l i n k
8 9 0 ~ 9 1 5
9 3 5 ~ 9 6 0
8 8 0 ~ 9 1 5
9 2 5 ~ 9 6 0
1 7 1 0 ~ 1 7 8 5
1 8 0 5 ~ 1 8 8 0
1 8 5 0 ~ 1 9 1 0
1 9 3 0 ~ 1 9 9 0
A R F C N r a n g e
1 ~ 1 2 4
0 ~ 1 2 4 &
9 7 5 ~ 1 0 2 3
5 1 2 ~ 8 8 5
5 1 2 ~ 8 1 0
T x / R x s p a c i n g
4 5 M H z
4 5 M H z
9 5 M H z
8 0 M H z
M o d . B i t r a t e /
B i t P e r i o d
2 7 0 . 8 3 3 k b p s
3 . 6 9 2 u s
2 7 0 . 8 3 3 k b p s
3 . 6 9 2 u s
2 7 0 . 8 3 3 k b p s
3 . 6 9 2 u s
2 7 0 . 8 3 3 k b p s
3 . 6 9 2 u s
T i m e S l o t
P e r i o d / F r a m e P e r i o d
5 7 6 . 9 u s
4 . 6 1 5 m s
5 7 6 . 9 u s
4 . 6 1 5 m s
5 7 6 . 9 u s
4 . 6 1 5 m s
5 7 6 . 9 u s
4 . 6 1 5 m s
M o d u l a t i o n
0 . 3 G M S K
0 . 3 G M S K
0 . 3 G M S K
0 . 3 G M S K
M S P o w e r
3 3 d B m ~ 1 3 d B m
3 3 d B m ~ 5 d B m
3 0 d B m ~ 0 d B m
3 0 d B m ~ 0 d B m
P o w e r C l a s s
5 p c l ~ 1 5 p c l
5pcl ~ 19pcl
0pcl ~ 15pcl
0pcl ~ 15pcl
S e n s i t i v i t y
- 1 0 2 d B m
- 1 0 2 d B m
- 1 0 0 d B m
- 1 0 0 d B m
T D M A M u x
8
8
8
8
C e l l R a d i u s
3 5 K m
3 5 K m
2 K m
-
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SGH-S341i Specification
1-2
This Document can not be used without Samsung's authorization
2. GSM TX power class
TX Power
control level
GSM900
5
33±2 dBm
6
31±2 dBm
7
29±2 dBm
8
27±2 dBm
9
25±2 dBm
10
23±2 dBm
11
21±2 dBm
12
19±2 dBm
13
17±2 dBm
14
15±2 dBm
15
13±2 dBm
16
11±3 dBm
17
9±3dBm
18
7±3 dBm
19
5±3 dBm
TX Power
control level
DCS1800
0
30±3 dBm
1
28±3 dBm
2
26±3 dBm
3
24±3 dBm
4
22±3 dBm
5
20±3 dBm
6
18±3 dBm
7
16±3 dBm
8
14±3 dBm
9
12±4 dBm
10
10±4 dBm
11
8±4dBm
12
6±4 dBm
13
4±4 dBm
14
2±5 dBm
15
0±5 dBm
TX Power
control level
PCS1900
0
30±3 dBm
1
28±3 dBm
2
26±3 dBm
3
24±3 dBm
4
22±3 dBm
5
20±3 dBm
6
18±3 dBm
7
16±3 dBm
8
14±3 dBm
9
12±4 dBm
10
10±4 dBm
11
8±4dBm
12
6±4 dBm
13
4±4 dBm
14
2±5 dBm
15
0±5 dBm
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2. SGH-S341i Flow Chart of Troubleshooting
2-1
This Document can not be used without Samsung's authorization
1.Baseband
1. Power ON
'Power On' does not work
Voltage >=3.3V
Download again
Charge the Battery
Pin#J12 >= 2.8V
Check U102 and C128
Pin#A13 and pin#14
=2.8V
Check U102 and C129
Freq = 13MHz
Vrms >=300mV
Vpp≒ 900mV
Check the clock generation circuit
(related to osc501)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
pin#G11 =
1.5V
= 1.8V
No
Yes
Check the current consumption
Check the Vbat Voltage
Check the pin of U102
Check the clock signal at pin#27 of U501
Current consumption
>= 100mA
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SGH-S341i Flow Chart of Troubleshooting
2-2
This Document can not be used without Samsung's authorization
2. Initial
Initial Failure
The pin #G11 of U102 =
1.5V and
the pin #J12 of U102 =
2.825V ?
Check the U102
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #K9 of U102
"Low → High" ?
Yes
No
Check the U102
(if it has some problem, it is to be replaced.)
There is 32.768kHz
wave forms at the C218
and C219
Yes
No
Check the U202
Is the pin #A4 of U102
is "High"
The voltage is "High" at
the C122,C123,C127
Check the U102
Check the U501
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
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SGH-S341i Flow Chart of Troubleshooting
2-3
This Document can not be used without Samsung's authorization
3. Sim Part
Check the voltage at
pin#1 of CN101 >=
2.8V ?
"Insert SIM is displayed on the LCD
Check the SIM
connector's (CN101)
connection to SIM
card
Check the U102
Resolder or change CN101
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#4 of CN101 ?
Check the U202
Check the SIM Card
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SGH-S341i Flow Chart of Troubleshooting
2-4
This Document can not be used without Samsung's authorization
G
E
M
IN
I+
C1
34
10
0N
F
TP
10
7
T
P
1
1
1
M
1
0
1
NEG
2
PO
S
1
0
R
1
0
4
V
C
C
D
_
1
_
8
V
C
C
B
2
V
O
V
S
1
U
1
0
3
G
N
D
3
N
C
R
1
6
3
0
R
1
0
2
N
C
R
1
3
4
0
V
C
C
D
R
1
0
1
V
C
C
B
C
1
1
4
1
0
N
F
3
3
P
F
C
1
0
4
R
1
7
0
1
0
C
1
2
8
1
U
F
R1
37
0
1
0
0
R
1
2
0
1
0
N
F
C
1
5
8
V
R
T
C
C
1
1
2
1
0
0
N
F
C
1
2
4
1
U
F
C
1
2
3
1
U
F
0
R1
39
C
1
0
8
TP
10
5
3
3
P
F
1
0
0
N
F
C
1
3
3
V
C
C
D
V
R
F
C
1
2
9
1
U
F
C
1
2
7
R
1
2
5
1
0
K
,1
%
1
U
F
V
B
A
T
R
1
1
4
1
.2
K
2
.2
U
F
C
1
0
7
TP
11
0
V
C
C
D
_
1
_
5
V
R
F
C
1
2
6
1
U
F
C
1
0
3
1
0
N
F
V
C
C
D
_
1
_
8
R
1
0
3
N
C
V
B
A
T
V
B
A
T
0
R1
40
V
C
C
A
V
C
C
A
R
1
4
4
N
C
N
C
C
1
0
2
1
0
0
N
F
C
1
0
5
C
1
2
2
1
U
F
TP
10
6
C
1
0
1
1
0
0
N
F
1
0
0
N
F
C
1
5
5
TP
10
8
G
7
8
G
G
9
1
0
G
C
N
1
0
1
1
1
2
2
3
3
4
4
5
5
6
6
V
C
C
D
N
C
C
1
5
6
1
0
0
P
F
C
1
3
0
0
R1
38
1
U
F
C
1
1
1
R1
4
VR
EG
N
M1
3
VR
EG
P
H
1
1
V
R
T
C
K
1
2
V
S
IM
G5
VS
S1
K4
VS
S2
R2
VS
S3
P6
VS
S4
R1
3
VX
VC
M
D1
XO
EN
AQ
B
1
1
V
L
4
S
_
B
D
1
0
V
L
5
S
_
A
V
L
5
S
_
B
C
9
G
1
1
V
L
D
O
_1
J
1
2
V
L
D
O
_2
A
1
3
V
L
D
O
_3
B
1
2
V
L
D
O
_4
B
1
0
V
L
D
O
_5
A
1
4
V
L
D
O
_6
C
1
2
V
L
D
O
_7
A
1
0
V
R
E
F
VD
D67
A6
VD
D B
N11
VD
DD
L1
1
VD
DV
N5
VD
D_
IO1
J4
VD
D_
IO2
C4
VD
D_
OC
TL
E
1
4
V
E
XT
F
1
5
V
IB
_
D
R
V
L9
VIB
_R
NG
_E
N
A
1
2
V
L
4
S
_
A
P
1
0
U
P
_
IO
R
1
0
U
P
_
R
S
T
F
1
4
V
A
CC
E
1
3
V
B
AT
J3
VD
D1
J
1
3
V
D
D
12
M3
VD
D2
N6
VD
D3
C
1
1
V
D
D
34
C1
0
VD
D5
B1
3
S
D
I_
P
S
CM
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
L
E
1
B
1
A
2
S
E
R
L
E
2
K
1
4
S
IM
_
C
L
K
J
1
1
S
IM
_
IO
K
1
1
S
IM
_
R
S
T
E7
TX
P
N
9
U
P
_
C
L
K
R
3
K9
RE
SE
T_
O
F
1
3
R
IN
G
_
D
R
V
H
1
0
R
T
C
_
A
L
MN
N4
RT
C_
CL
K
L
2
R
W
N
D6
RX
TX
IN
D7
RX
TX
IP
C6
RX
TX
Q N
C7
RX
TX
Q P
L
8
S
C
L
K
_
P
S
C
A
4
O
C
T
L
4
O
C
T
L
5
G
6
B
3
O
C
T
L
6
O
C
T
L
7
A
3
L7
PS
W1
_B
U F
M9
PW
R_
KE
EP
C1
5
PW
R_
SW
1N
C1
4
PW
R_
SW
2
B6
RA
RE
F1
B5
RA
RE
F2
R
E
S
E
T
N
_
C
S
P
N14
MIC
IN
P
P1
5
MIC
OU
T N
N15
MIC
OU
T P
N10
MO
DE
NC
51
2
NC
6
P5
NC
7
E
6
O
C
T
L
0
O
C
T
L
1
C
5
F
5
O
C
T
L
2
O
C
T
L
3
E
5
F1
1
GN
D_
HC
U R
B4
GN
D_
OC
TL
B1
5
GN
D_
PS
C1
K1
5
GN
D_
PS
C2
L1
0
IN
TR
Q
I|
O
L
3
G
1
3
L
E
D
1
_
D
R
V
G
1
2
L
E
D
2
_
D
R
V
R6
MC
M1
4
MIC
IN
N
J1
0
GN
DS
16
K1
0
GN
DS
17
F8
GN
DS2
F9
GN
DS3
F1
0
GN
DS4
G7
GN
DS5
G8
GN
DS6
G9
GN
DS7
G10
GN
DS8
H6
GN
DS9
P1
3
GN
D V
DIN
TR
F6
GN
DB
M1
0
GN
DD
E8
GN
DQ
F7
GN
DS1
H7
GN
DS
10
H8
GN
DS
11
GN
DS
12
H9
J7
GN
DS
13
J8
GN
DS
14
J9
GN
DS
15
D
3
D
B
1
4
D
2
D
B
1
5
K
3
D
B
2
D
B
3
J
5
J
6
D
B
4
H
5
D
B
5
G
3
D
B
6
G
4
D
B
7
F
4
D
B
8
F
1
D
B
9
P3
C
S
N
_
P
S
CK
8
R4
DA
ICK
L6
DA
ID
I
M6
DA
ID
O
P4
DA
IRN
K
1
D
B
0
D
B
1
K
2
F
2
D
B
1
0
F
3
D
B
1
1
E
2
D
B
1
2
E
3
D
B
1
3
AO
UT
BN
R1
2
AO
UT
BP
L1
4
AU
XIN
N
M1
5
AU
XIN
P
L1
3
AU
XO
UTN
K1
3
AU
XO
UTP
AU
X_
AD
C3
D1
3
E
1
1
C
H
_
B
D
R
V F
1
2
C
H
_
IS
E
N D
1
4
C
H
_
R
E
S
C
R
E
FE
9
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
1
0
A
D
C
_
A
U
X
1
D
1
5
A
D
C
_
A
U
X
2
D9
AF
C
N12
AO
UT
AN
P1
1
AO
UT
AP
P1
2
V
C
C
B
U
1
0
2
K
6
A
B
0
A
B
1
P
1
L
5
A
B
2
A
B
3
V
B
A
T
V
P
A
C
C
1
3
2
1
0
0
N
F
3
3
P
F
C
1
1
3
R
1
2
8
1
M
C
1
3
5
1
U
F
R
S
T
S
V
C
_
B
L
UE
F
L
A
S
H
_
R
E
S
E
T
S
V
C
_
G
R
E
E
N
D
S
P
_
A
B
(0
)
P
C
S
_
R
X
_
E
N
S
E
R
L
E
P
W
R
_
K
E
E
P
P
A
C
_
E
N
R
F
_
E
N
D
S
P
_
IO
D
S
P
_
R
WN
T
X
_
B
A
N
D
_
S
E
L
S
V
C
_
R
E
D
PS
W1
_B
U F
K
E
Y
_
B
L
2
K
E
Y
_
B
L
1
B
P
_
V
F
X
O
E
N
A
Q
_
O
U
T
S
IM
C
LK
S
IM
D
A
T
A
G
S
M
_
T
X
_
E
N
D
C
S
_
T
X
_
E
N
JIG
_O
N
R
T
C
A
L
A
R
M
CL
K3
2K
U
P
_
S
C
L
K
U
P
_
S
D
I
U
P
_
S
D
O
VA
PC
AU
XIN
N
AU
XIN
P
AU
XO
UT
N
AU
XO
UTP
U
P
_
C
S
DS
P_
IN
T
IN
T
R
Q
CL
K1
3M
_M
C
MIC
IN
N
MIC
IN
P
MIC
OU
TN
MIC
OU
TP
PW
R_
O N
XO
EN
AQ
S
IM
R
S
T
AFC
AO
UT
AN
AO
UT
AP
AO
UT
BN
AO
UT
BP
D
S
P
_
A
B
(4
)
D
S
P
_
A
B
(3
)
D
S
P
_
A
B
(2
)
D
S
P
_
A
B
(1
)
S
E
R
D
A
T
S
E
R
C
L
K
RT
XIP
RT
XIN
RT
XQ
P
RT
XQ
N
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
)
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
_
D
B
(1
5
)
D
S
P
_
D
B
(0
: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
)
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-5
This Document can not be used without Samsung's authorization
T
R
ID
E
N
T
-H
P
R
2
1
7
V
C
C
D
_
1
_
5
0
2
2
N
F
C
2
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R
_
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IT
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H
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A
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3
_
C
S
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-6
This Document can not be used without Samsung's authorization
S
I-
L
A
B
X
-T
A
L
(1
3
M
H
z
)
V
R
F
C
5
0
2
V
R
F
4
7
P
F
C
5
0
1
1
5
P
F
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5
1
7
1
0
0
P
F
V
R
F
1
0
K
R
5
1
7
C
5
0
7
1
0
N
F
VT
1
O
S
C
5
0
1
2
GN
D
3
OU
T
VC
C
4
C
5
1
5
1
0
0
P
F
1
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N
F
C
5
0
5
C
5
0
8
1
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N
F
1
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R
5
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2
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5
0
1
5
6
0
1
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5
0
3
3
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P
F
C
5
0
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XI N
8
XO
UT
2
7
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D N
1
0
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EN
1
2
SD
O
1
1
T
X
IN
5
T
X
IP
4
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X
Q
N
7
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Q
P
6
VD
D
9
VD
D
3
2
XE
N
2
6
RF
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2
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2
3
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IN
3
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IP
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Q
N
1
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2
8
SC
LK
1
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1
4
3
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N
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3
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ID
N
1
9
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1
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2
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IP
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1
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G
N
D
1
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D
2
9
3
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GN
D
GN
D
3
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D
3
3
3
4
GN
D
G
N
D
3
5
3
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G
N
D
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5
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1
DIA
G 1
2
4
DIA
G 2
2
5
R
5
0
4
1
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2
N
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3
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LK
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IN
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T
X
Q
P
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MH
Z_
BB
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EN
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UT
CL
K1
3M
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F
RF
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N
A
F
C
C
L
K
1
3
M
_
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F
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1
3
M
_
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1
3
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H
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B
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1
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1
3
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D
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N
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IN
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D
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S
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P
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M
_
IN
SE
RD
AT
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-7
This Document can not be used without Samsung's authorization
4. Microphone Part
Is the assembled status
of microphone O.K?
Microphone does not work
Reassembled the microphone
Resolder or change
R136,R146,R141,R145,C137,C139,
R157,R158,R161,R162,C152,C154
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check U501
Check the reference voltage on mic path
C142 ≒ 2.0V ?
Yes
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-8
This Document can not be used without Samsung's authorization
5. Speaker Part
Is there no sound from Speaker
Is the teminal of
Speaker O.K ?
No
Replace the Speaker
Yes
Are there any signals at
the C439,C462
No
Yes
Check LCD or Replace CN402
The type of sound
from the Speaker is
Melody
Is there any signals
at the pin#5 and
pin#7 of U104 ?
Is there any signals
at the pin#2 and
pin#10 of U104 ?
Yes
No
The pin#4 of
U104 is "Low"
The pin#4 of
U104 is "High"
Check the
U101
Check the
U101
Yes
Yes
No
No
Check the U202
Check the U104
Yes
Yes
No
No
END
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-9
This Document can not be used without Samsung's authorization
ANALOG SW
YAMAH A
10
R131
10
R130
100N
F
C109
C131
100NF
C115
4.7U
F
16V
VCC
D
C119
1NF
R172
0
VCCD
C106
150PF
C120
100NF
NC
R123
TP11
2
VBAT
22N F
10NF
C159
C110
V
S
S
8
/CS
29
3
/I
R
Q
/RD
31
/R
S
T
4
28
/W R
5
N
C
P
L
L
C
6
17
S
P
O
U
T
1
S
P
O
U
T
2
18
15
SPVD
D
SPVSS
16
7
V
D
D
9
V
R
E
F
34
GG
35
36
G
HPOUT-L/MONO
10
11
HPOUT-R
IOVDD
32
L
E
D
2
19
M
T
R
23
D
4
D
5
22 21
D
6
D
7
20
EQ
1
12
13
EQ
2
EQ
3
14
G
33
30
A0
1
C
L
K
I
D0
27
26
D1
25
D
2
D
3
24
U101
C118
4.7UF
6.3V
R
1
1
1
3
.3
K
VCCD_1_8
R106
82K
100NF
C117
150K
R105
R107
33K
10
R171
VBA
T
7
5
NC
1
NC2
U10 4
AUDIO_AMP_EN
TP11
3
A(0)
AOUTAP
SPK1P
AOUTAN
SPK1N
YMU_SPK1N
YMU_SPK1P
D
(7
)
D
(4
)
D
(3
)
D(1)
D(0)
CP_WEN
CP_OEN
YMU_CS
V
IB
_
E
N
LED_DATA
Y
M
U
_
S
P
K
1
P
Y
M
U
_
S
P
K
1
N
YMU_IRQ
FLASH_RST
D
(5
)
D
(6
)
CLK13M_YMU
D
(2
)
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-10
This Document can not be used without Samsung's authorization
E
A
R
_
S
P
K
_
N
E
A
R
_
S
P
K
_
P
J
A
C
K
_
IN
E
A
R
_
M
IC
_
N
A
U
D
IO
E
A
R
_
M
IC
_
P
1
0
K
,1
%
R
1
6
2
R
1
5
7
3
3
K
,1
%
1
0
0
K
R
1
6
5
M
A
IN
_
M
IC
C
1
4
0
N
C
R
1
6
9
2
K
,1
%
Z
D
1
0
2
C
1
4
9
2
K
,1
%
R
1
6
6
R
1
3
6
N
C
1
5
0
K
1
5
0
K
R
1
4
6
1
U
F
C
1
5
2
G
1
3
1
4
G
4
4
5
5
6
6
7
7
8
8
9
9
G
1
1
1
2
G
C
N
1
0
2
1
1
1
0
1
0
2
2
3
3
1
U
F
C
1
5
4
C
1
4
8
N
C
R
1
3
5
N
C
R
1
5
8
1
0
K
,1
%
C
1
3
8
N
C
C
1
3
9
1
U
F
C
1
4
1
N
C
1
U
F
V
C
C
D
_
1
_
8
C
1
3
7
1
0
0
P
F
C
1
4
6
R
1
6
7
2
K
,1
%
C
1
4
7
N
C
V
C
C
A
C
1
4
5
N
C
2
K
,1
%
R
1
6
8
R
1
4
1
1
0
K
,1
%
V
C
C
D
_
1
_
8
N
C
C
1
5
3
R
1
4
5
1
0
K
,1
%
3
3
K
,1
%
R
1
6
1
0
R
1
5
3
2
2
0
R
1
4
8
1
0
0
P
F
C
1
5
7
1
2
3
4
5
6
7
8
Z
D
1
0
1
3
3
U
F
C
1
4
2
M
IC
+
M
IC
-
E
A
R
_
S
W
IT
C
H
M
IC
O
U
T
P
M
IC
IN
P
A
O
U
T
B
P
A
O
U
T
B
N
J
A
C
K
_
IN
T
A
U
X
IN
N
M
IC
IN
N
M
IC
O
U
T
N
A
U
X
O
U
T
P
A
U
X
IN
P
A
U
X
O
U
T
N
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-11
This Document can not be used without Samsung's authorization
6. Camera Part
"Camera" function dose not work
Yes
Check the connect
CN402
Yes
U403 PIN 4,10 = 2.8V?
Yes
R402 = 13.8MHz
Connect the camera module
Check U403 and C405
Check C407 of U402
No
No
No
END
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-12
This Document can not be used without Samsung's authorization
C
A
M
P
O
W
E
R
L
C
D
C
O
N
T
R
O
L
I
C
R
4
0
1
0
V
C
C
D
_
1
_
8
V
C
C
D
V
C
C
D
1
0
0
P
F
C
4
0
7
1
0
0
N
F
C
4
0
4
V
B
A
T
0
R
4
2
5
C
4
1
1
1
0
0
N
F
V
C
C
D
_
1
_
8
T
P
4
0
1
R
4
1
0
0
V
S
S
5
C
8
V
S
S
6
L
9
V
S
S
7
J
1
1
W
A
IT
#
A
6
C
5
W
E
#
C
6
C
1
4
S
C
A
N
E
N
S
C
K
#
B
5
S
C
S
#
G
2
S
I
A
8
T
E
S
T
E
N
C
9
P
3
V
C
P
V
S
S
1
K
4
V
S
S
2
G
4
V
S
S
3
D
6
L
7
V
S
S
4
N
T
P
IO
V
D
D
1
F
1
1
C
1
0
P
IO
V
D
D
2
P
IO
V
D
D
3
L
1
2
D
8
P
IO
V
D
D
4
P
L
L
V
D
D
M
4
N
3
P
L
L
V
S
S
R
D
#
A
7
G
1
R
E
S
E
R
V
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D
1
F
1
R
E
S
E
R
V
E
D
2
B
8
R
E
S
E
T
#
S
A
0
H
IO
V
D
D
3
D
7
D
5
H
IO
V
D
D
4
M
|R
#
B
4
N
C
1
A
1
P
1
N
C
2
N
C
3
A
1
4
P
1
4
N
C
4
N
C
5
E
5
1
N
C
6
N
C
7
2
C
7
G
P
IO
2
0
G
P
IO
2
1
B
2
G
P
IO
3
N
1
2
M
1
3
G
P
IO
4
G
P
IO
5
M
1
4
B
1
1
G
P
IO
6
G
P
IO
7
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1
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1
0
G
P
IO
8
G
P
IO
9
L
1
3
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IO
V
D
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1
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4
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4
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IO
V
D
D
2
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P
IO
1
0
G
P
IO
1
1
N
2
N
1
G
P
IO
1
2
N
1
4
G
P
IO
1
3
N
1
3
G
P
IO
1
4
G
P
IO
1
5
B
1
A
1
3
G
P
IO
1
6
G
P
IO
1
7
B
1
4
B
1
3
G
P
IO
1
8
G
P
IO
1
9
A
2
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1
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P
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2
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1
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1
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1
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P
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IN
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1
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1
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1
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P
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IF
T
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P
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1
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P
V
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9
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P
V
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2
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1
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P
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1
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2
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1
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1
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1
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1
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1
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3
C
N
F
4
E
1
1
D
1
1
C
M
1
D
A
T
6
P
1
0
P
1
1
C
M
1
D
A
T
7
M
8
C
M
1
H
R
E
F
N
8
C
M
1
V
R
E
F
M
7
C
M
2
C
L
K
IN
C
M
2
C
L
K
O
U
T
P
7
C
M
2
D
A
T
0
P
4
N
4
C
M
2
D
A
T
1
C
M
2
D
A
T
2
N
5
M
5
C
M
2
D
A
T
3
C
M
2
D
A
T
4
B
E
#
1
C
IO
V
D
D
L
8
C
L
K
I
M
1
M
9
C
M
1
C
L
K
IN
P
8
C
M
1
C
L
K
O
U
T
C
M
1
D
A
T
0
N
9
P
9
C
M
1
D
A
T
1
C
M
1
D
A
T
2
N
1
0
M
1
0
C
M
1
D
A
T
3
C
M
1
D
A
T
4
M
1
1
N
1
1
C
M
1
D
A
T
5
C
1
D
1
A
B
1
8
B
7
A
B
2
A
B
3
H
2
G
3
A
B
4
A
B
5
H
3
H
4
A
B
6
A
B
7
J
1
J
3
A
B
8
A
B
9
J
2
B
6
B
E
#
0
A
5
U
4
0
2
A
B
1
H
1
J
4
A
B
1
0
A
B
1
1
K
3
K
1
A
B
1
2
A
B
1
3
K
2
L
1
A
B
1
4
A
B
1
5
C
3
C
2
A
B
1
6
A
B
1
7
1
0
0
N
F
C
4
0
8
T
P
4
0
0
1
0
0
K
R
4
0
6
R
4
0
5
1
0
0
K
E
N
1
3
G
N
D
IN
5
N
C
2
O
U
T
4
U
4
0
3
C
4
0
1
2
0
P
F
1
0
0
N
F
C
4
0
6
1
0
0
N
F
C
4
1
2
V
C
C
D
V
C
C
D
_
1
_
8
C
4
6
3
N
C
R
4
1
1
C
4
0
5
V
C
C
D
0
R
4
1
2
0
6
.3
V
1
0
U
F
C
A
M
P
W
R
_
O
N
M
L
E
D
_
E
N
D
IM
_
C
T
L
C
A
M
_
D
(4
)
C
A
M
_
D
(5
)
C
A
M
_
D
(6
)
C
A
M
_
D
(7
)
L
C
D
C
_
C
S
C
P
_
W
E
N
C
P
_
O
E
N
A
(1
9
)
F
L
A
S
H
_
R
S
T
L
C
D
C
_
IN
T
C
A
M
_
R
S
T
U
P
P
E
R
_
B
Y
T
E
C
A
M
_
C
L
K
A
(7
)
A
(8
)
A
(9
)
A
(1
0
)
C
L
K
3
2
K
M
L
C
D
_
C
S
L
C
D
_
A
L
C
D
_
W
E
N
C
A
M
_
D
(0
:7
)
C
A
M
_
D
(0
)
C
A
M
_
D
(1
)
C
A
M
_
D
(2
)
C
A
M
_
D
(3
)
L
C
D
_
D
(2
)
L
C
D
_
D
(1
)
L
C
D
_
D
(0
)
A
(1
:1
8
)
A
(1
)
A
(2
)
A
(1
1
)
A
(1
2
)
A
(1
3
)
A
(1
4
)
A
(1
5
)
A
(1
6
)
A
(1
7
)
A
(1
8
)
A
(3
)
A
(4
)
A
(5
)
A
(6
)
D
(1
4
)
D
(1
5
)
D
(2
)
D
(3
)
D
(4
)
D
(5
)
D
(6
)
D
(7
)
D
(8
)
D
(9
)
D
(0
:1
5
)
L
C
D
_
D
(0
:7
)
L
C
D
_
D
(7
)
L
C
D
_
D
(6
)
L
C
D
_
D
(5
)
L
C
D
_
D
(4
)
L
C
D
_
D
(3
)
C
A
M
P
W
R
_
O
N
H
V
D
D
P
_
C
L
K
H
O
R
_
R
E
F
V
E
R
_
R
E
F
S
C
L
S
D
A
L
O
W
E
R
_
B
Y
T
E
D
(0
)
D
(1
)
D
(1
0
)
D
(1
1
)
D
(1
2
)
D
(1
3
)
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-13
This Document can not be used without Samsung's authorization
F502 CHECK
pin13 ≥ -65dBm ?
2.RF
1. EGSM RX
CONTINUOUS RX ON
RF INPUT : 62CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT501,R509 contact ?
U501
pin 9,31: 2.8V ?
F502 CHECK
pin1,2 ≥ -65dBm ?
U501 CHECK
pin20,21 ≥ -65dBm ?
C518,CN403
resolder or change
F502
resolder or change
C527,C528,L503
resolder or change
U102 pinA13, C127
change or resolder
U501 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC501
change or resolder
U501
resolder or change
U102 CHECK!!
U501
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-14
This Document can not be used without Samsung's authorization
F502 CHECK
pin13 ≥ -65dBm ?
2. DCS RX
CONTINUOUS RX ON
RF INPUT : 698CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT501,R509 contact ?
U501
pin 9, 31: 2.8V ?
F502 CHECK
pin3,4 ≥ -65dBm ?
U501 CHECK
pin18, 19 ≥ -65dBm ?
C518,CN403
resolder or change
F502
resolder or change
C530,C532,L504
resolder or change
U102 pinA13, C127
change or resolder
U501 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC501
change or resolder
U501
resolder or change
U102 CHECK!!
U501
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-15
This Document can not be used without Samsung's authorization
F502 CHECK
pin13 ≥ -65dBm ?
3. PCS RX
CONTINUOUS RX ON
RF INPUT : 660CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT501,R509 contact ?
U501
pin 9, 32: 2.8V ?
F502 CHECK
pin5,6 ≥ -65dBm ?
U501 CHECK
pin16,17 ≥ -65dBm ?
C518,CN403
resolder or change
F502
resolder or change
C535,C536,L505
resolder or change
U102 pinA13, C127
change or resolder
U501 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC501
change or resolder
U501
resolder or change
U102 CHECK!!
U501
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
F502 CHECK
pin12 : 2.8V
YES
U102
check & change
NO
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-16
This Document can not be used without Samsung's authorization
4. EGSM TX
F502 pin 10 :
about 2~3 dBm?
C518,CN403
check&change
F502
pin11 : 2.8 V?
U102
check & change
U502 pin12 :
about 4~5dBm?
F502
check & change
U502
pin8,20 : 3.7 V?
NO
NO
YES
YES
YES
NO
NO
BATTERY
check & change
U502
pin 22 : 1.6V ?
YES
NO
U502 pin6
about : -5dBm ?
YES
U502
pin 2 : 3V?
YES
YES
U502
change or resolder
NO
U102
check
U102
check
NO
U501
pin9,32 : 2.8V ?
U102 pinA13,C127
change or resolder
YES
U501
pin8 : 13MHz ?
Vp-p : 950mV?
U501
pin4,5,6,7:100mV?
YES
U102
change or resolder
NO
NO
U501
change or resolder
YES
NO
OSC501
change or resolder
CONTINOUS TX ON CONDITION
TX POWER DAC: 600 CODE APPLIED
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-17
This Document can not be used without Samsung's authorization
5. DCS TX
F502 pin 8 :
about 2~3 dBm?
C518,CN403
check&change
F502
pin9 : 2.8 V?
U102
check & change
U502 pin17 :
about 4~5dBm?
F502
check & change
U502
pin8,20 : 3.7 V?
NO
NO
YES
YES
YES
NO
NO
BATTERY
check & change
U502
pin 22 : 1.4V ?
YES
NO
U502 pin5 about
: -5dBm ?
YES
U502
pin 2 : 3V?
YES
YES
U502
change or resolder
NO
U102
check
U701
check
NO
U501
pin9,32 : 2.8V ?
U102 pinA13,C127
change or resolder
YES
U501
pin8 : 13MHz ?
Vp-p : 950mV?
U501
pin4,5,6,7:100mV?
YES
U102
change or resolder
NO
NO
U501
change or resolder
YES
NO
OSC501
change or resolder
CONTINUOUS TX ON CONDITION
CH : 698CH(DCS)
TX POWER CODE: 520 CODE Aplied
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-18
This Document can not be used without Samsung's authorization
6. PCS TX
F502 pin 13 :
about 7~8 dBm?
C518,CN403
check&change
F502
pin9 : 2.8 V?
U102
check & change
U502 pin17 :
about 4~5dBm?
F502
check & change
U502
pin8,20 : 3.7 V?
NO
NO
YES
YES
YES
NO
NO
BATTERY
check & change
U502
pin 22 : 1.4V ?
YES
NO
U502 pin5 about
: -5dBm ?
YES
U502
pin 2 : 3V?
YES
YES
U502
change or resolder
NO
U102
check
U102
check
NO
U501
pin9,32 : 2.8V ?
U102 pinA13,C127
change or resolder
YES
U501
pin8 : 13MHz ?
Vp-p : 950mV?
U501
pin4,5,6,7:100mV?
YES
U102
change or resolder
NO
NO
U501
change or resolder
YES
NO
OSC501
change or resolder
CONTINUOUS TX ON CONDITION
CH : 660CH(PCS)
TX POWER CODE: 520 CODE Aplied
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-19
This Document can not be used without Samsung's authorization
G
E
M
IN
I+
C1
34
10
0N
F
TP
10
7
T
P
1
1
1
M
1
0
1
NE
G
2
PO
S
1
0
R
1
0
4
V
C
C
D
_
1
_
8
V
C
C
B
2
V
O
V
S
1
U
1
0
3
G
N
D
3
N
C
R
1
6
3
0
R
1
0
2
N
C
R
1
3
4
0
V
C
C
D
R
1
0
1
V
C
C
B
C
1
1
4
1
0
N
F
3
3
P
F
C
1
0
4
R
1
7
0
1
0
C
1
2
8
1
U
F
R1
37
0
1
0
0
R
1
2
0
1
0
N
F
C
1
5
8
V
R
T
C
C
1
1
2
1
0
0
N
F
C
1
2
4
1
U
F
C
1
2
3
1
U
F
0
R1
39
C
1
0
8
TP
10
5
3
3
P
F
1
0
0
N
F
C
1
3
3
V
C
C
D
V
R
F
C
1
2
9
1
U
F
C
1
2
7
R
1
2
5
1
0
K
,1
%
1
U
F
V
B
A
T
R
1
1
4
1
.2
K
2
.2
U
F
C
1
0
7
TP
11
0
V
C
C
D
_
1
_
5
V
R
F
C
1
2
6
1
U
F
C
1
0
3
1
0
N
F
V
C
C
D
_
1
_
8
R
1
0
3
N
C
V
B
A
T
V
B
A
T
0
R1
40
V
C
C
A
V
C
C
A
R
1
4
4
N
C
N
C
C
1
0
2
1
0
0
N
F
C
1
0
5
C
1
2
2
1
U
F
TP
10
6
C
1
0
1
1
0
0
N
F
1
0
0
N
F
C
1
5
5
TP
10
8
G
7
8
G
G
9
1
0
G
C
N
1
0
1
1
1
2
2
3
3
4
4
5
5
6
6
V
C
C
D
N
C
C
1
5
6
1
0
0
P
F
C
1
3
0
0
R1
38
1
U
F
C
1
1
1
R1
4
VR
EG
N
M1
3
VR
EG
P
H
1
1
V
R
T
C
K
1
2
V
S
IM
G5
VS
S1
K4
VS
S2
R2
VS
S3
P6
VS
S4
R1
3
VX
VC
M
D1
XO
EN
AQ
B
1
1
V
L
4
S
_
B
D
1
0
V
L
5
S
_
A
V
L
5
S
_
B
C
9
G
1
1
V
L
D
O
_
1
J
1
2
V
L
D
O
_
2
A
1
3
V
L
D
O
_
3
B
1
2
V
L
D
O
_
4
B
1
0
V
L
D
O
_
5
A
1
4
V
L
D
O
_
6
C
1
2
V
L
D
O
_
7
A
1
0
V
R
E
F
VD
D6
7
A6
VD
D B
N1
1
VD
DD
L1
1
VD
DV
N5
VD
D_
IO
1
J4
VD
D_
IO
2
C4
VD
D_
OC
TL
E
1
4
V
E
X
T
F
1
5
V
IB
_
D
R
V
L9
V
IB
_R
NG
_E
N
A
1
2
V
L
4
S
_
A
P
1
0
U
P
_
IO
R
1
0
U
P
_
R
S
T
F
1
4
V
A
C
C
E
1
3
V
B
A
T
J3
VD
D1
J
1
3
V
D
D
1
2
M3
VD
D2
N6
VD
D3
C
1
1
V
D
D
3
4
C1
0
VD
D5
B1
3
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
L
E
1
B
1
A
2
S
E
R
L
E
2
K
1
4
S
IM
_
C
L
K
J
1
1
S
IM
_
IO
K
1
1
S
IM
_
R
S
T
E7
T
XP
N
9
U
P
_
C
L
K
R
3
K9
R
ES
ET
_O
F
1
3
R
IN
G
_
D
R
V
H
1
0
R
T
C
_
A
L
M
N
N4
RT
C_
CL
K
L
2
R
W
N
D6
RX
TX
I N
D7
RX
TX
I P
C6
R
XT
XQ
N
C7
R
XT
XQ
P
L
8
S
C
L
K
_
P
S
C
A
4
O
C
T
L
4
O
C
T
L
5
G
6
B
3
O
C
T
L
6
O
C
T
L
7
A
3
L7
P
SW
1_
BU
F
M9
PW
R_
KE
EP
C1
5
PW
R_
SW
1N
C1
4
PW
R_
SW
2
B6
R
AR
EF
1
B5
R
AR
EF
2
R
E
S
E
T
N
_
C
S
P
N1
4
MIC
IN
P
P1
5
MIC
OU
T N
N1
5
MIC
OU
T P
N1
0
MO
DE
NC
5
1
2
NC
6
P5
N
C 7
E
6
O
C
T
L
0
O
C
T
L
1
C
5
F
5
O
C
T
L
2
O
C
T
L
3
E
5
F1
1
GN
D_
HC
U R
B4
GN
D_
OC
TL
B1
5
GN
D_
PS
C1
K1
5
GN
D_
PS
C2
L1
0
IN
TR
Q
I|
O
L
3
G
1
3
L
E
D
1
_
D
R
V
G
1
2
L
E
D
2
_
D
R
V
R6
M
C
M1
4
MIC
IN
N
J1
0
GN
DS
16
K1
0
GN
DS
17
F8
GN
DS
2
F9
GN
DS
3
F1
0
GN
DS
4
G7
GN
DS
5
G8
GN
DS
6
G9
GN
DS
7
G1
0
GN
DS
8
H6
GN
DS
9
P1
3
GN
D V
DIN
TR
F6
GN
DB
M1
0
GN
DD
E8
GN
DQ
F7
GN
DS
1
H7
GN
DS
10
H8
GN
DS
11
GN
DS
12
H9
J7
GN
DS
13
J8
GN
DS
14
J9
GN
DS
15
D
3
D
B
1
4
D
2
D
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1
5
K
3
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2
D
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3
J
5
J
6
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4
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5
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5
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3
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6
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4
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7
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1
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9
P3
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K8
R4
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K
L6
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M6
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ID
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P4
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1
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2
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1
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1
3
AO
UT
BN
R1
2
AO
UT
BP
L1
4
AU
XIN
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M1
5
AU
XIN
P
L1
3
AU
XO
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N
K1
3
AU
XO
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P
AU
X_
AD
C3
D1
3
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1
1
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1
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1
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9
N
1
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2
A
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4
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5
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2
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6
A
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7
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7
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5
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8
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1
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AN
P1
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B
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1
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(0
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P
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W
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D
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W
N
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X
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W1
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U F
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AU
XIN
N
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XIN
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AU
XO
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XO
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P
U
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_
C
S
DS
P_
IN
T
IN
T
R
Q
CL
K1
3M
_M
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MIC
IN
N
MIC
IN
P
MIC
OU
TN
MIC
OU
T P
PW
R_
O N
XO
EN
AQ
S
IM
R
S
T
AF
C
AO
UT
A N
AO
UT
AP
AO
UT
BN
AO
UT
BP
D
S
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_
A
B
(4
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D
S
P
_
A
B
(3
)
D
S
P
_
A
B
(2
)
D
S
P
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A
B
(1
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S
E
R
D
A
T
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C
L
K
RT
XIP
RT
XI N
RT
XQ
P
RT
XQ
N
D
S
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_
D
B
(5
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D
S
P
_
D
B
(4
)
D
S
P
_
D
B
(3
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D
S
P
_
D
B
(2
)
D
S
P
_
D
B
(1
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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
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D
S
P
_
A
B
(6
)
D
S
P
_
A
B
(5
)
D
S
P
_
D
B
(1
5
)
D
S
P
_
D
B
(0
: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
)
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Flow Chart of Troubleshooting
2-20
This Document can not be used without Samsung's authorization
T
R
A
N
S
M
IT
T
E
R
&
R
E
C
E
IV
E
R
S
I-
L
A
B
X
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A
L
(1
3
M
H
z
)
7
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N
H
L
5
0
4
V
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5
4
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1
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5
2
9
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5
2
0
3
0
0
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5
0
6
C
5
0
2
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5
2
8
0
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5
P
F
V
R
F
4
7
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F
1
0
N
F
C
5
4
2
1
0
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F
C
5
4
1
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5
4
6
C
5
0
1
1
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F
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5
4
4
1
0
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F
3
3
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F
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7
3
3
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1
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1
0
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5
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0
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A
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3
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3
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4
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1
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3
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1
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3
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1
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3
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5
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2
4
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2
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1
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C
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N
A
_
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_
P
P
C
S
_
L
N
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P
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A
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N
G
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A
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L
V
A
P
C
P
A
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G
S
M
_
T
X
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SE
RC
LK
SE
RL
E
R
T
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IN
R
T
X
Q
N
R
T
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IP
R
T
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P
13
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EN
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CL
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3M
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F
RF
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N
A
F
C
C
L
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1
3
M
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F
C
L
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1
3
M
_
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M
U
1
3
M
H
Z
_
B
B
C
L
K
1
3
M
_
M
C
C
L
K
1
3
M
_
T
R
D
C
S
_
L
N
A
_
IN
_
P
G
S
M
_
L
N
A
_
IN
_
N
G
S
M
_
L
N
A
_
IN
_
P
D
C
S
_
L
N
A
_
IN
_
N
P
C
S
_
L
N
A
_
IN
_
P
P
C
S
_
L
N
A
_
IN
_
N
G
S
M
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P
A
M
_
IN
D
P
C
S
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P
A
M
_
IN
SE
RD
AT
SAMSUNG Proprietary-Contents may change without notice
3. SGH-S341i Exploded View and Parts List
3-1
This Document can not be used without Samsung's authorization
1. Cellular phone Exploded View
QMW02
QFB01
QFU01
QVO01
QCR05
QBA20
QIF01
QRF01
QSC04
QMP01
QMI01
QVK01
QME01
QKP02
QLC05
QCA01
QPC01
QKP01
QFL01
QMO01
QFR01
QMP02
QME02
QSP01
QAN01
QRE01
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Exploded View and Parts List
3-2
This Document can not be used without Samsung's authorization
Location
NO.
Description
SEC CODE
Remark
QMW02
LCD WINDOW
GH72-12227A
QFB01
SLIDER UPPER DECO
GH71-03504A
QFU01
SUB S/UPPER
GH75-04225A
QSP01
SPEAKER
3001-001482
QLC05
LCD
GH07-00416A
QKP02
FUNCTION KEY
GH75-04230A
QMP02
LCD PBA
GH92-01770A
QME02
UNIT METAL DOME
GH59-01504A
QFL01
SLIDING HINGE ASSY
GH75-04234A
QFR01
FRONT COVER
GH75-04223A
QMO01
MOTOR
GH31-00092A
QMP01
MIAN PBA
GH92-01768A
QVK01
UNIT VOLUME KEY
GH59-01471A
QPC01
PCB
GH41-00539A
QKP01
MAIN KEYPAD
GH75-04229A
QME01
UNIT METAL DOME
GH59-01503A
QCA01
CAMERA
GH59-01395A
QAN01
ANTENNA
GH42-00418A
QMI01
MICROPHONE
GH30-00128A
QVO01
VOLUME KEY
GH75-04228A
QRE01
REAR COVER
GH75-04224A
QCR05
SCREW
6001-001478
QSC04
MAIN SCREW CAP
GH73-03236A
QRF01
RF COVER
GH73-03235A
QIF01
IF CONN COVER
GH72-12230A
QBA20
BATTERY
GH43-01434A
2. Cellular phone Parts list
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Exploded View and Parts List
3-3
This Document can not be used without Samsung's authorization
3-1. RF Test Cable
(GH39-00283A)
3-2. Test Cable
(GH39-00304A)
3. Test Jig (GH80-06022A)
3-3. Serial Cable
3-4. Power Supply Cable
3-5. DATA CABLE
(GH39-00305A)
3-6. TA
(GH44-00701A)
SAMSUNG Proprietary-Contents may change without notice
4. SGH-S341i MAIN Electrical Parts List
4-1
This Document can not be used without Samsung's authorization
1.Main Parts List
SEC Code
Design LOC
GH92-01768A
-
GH71-01052A
ANT501
2203-005482
C101,C105,C132,C133
2203-000254
C103,C104,C204,C205
2203-000359
C106
2203-006201
C107
2203-000812
C108,C113,C114,C320
2203-005061
C109,C112,C117,C120
2203-001405
C110,C512
2203-006053
C111,C122,C123,C124
2404-001350
C115
2404-001086
C118
2203-000438
C119
2203-006053
C126,C127,C128,C129
2203-000233
C130,C146,C157,C407
2203-005061
C131,C150,C151,C302
2203-005482
C134,C155,C202,C203
2203-006093
C135,C137,C139,C152
2404-001151
C142,C539,C540
2203-006093
C154,C301
2203-006137
C201
2203-005482
C206,C207,C212,C213
2203-000254
C208,C209,C210,C211
2203-000254
C214,C324,C505,C506
2203-000628
C218,C219
2203-005482
C220,C223,C307,C404
2203-001101
C221
2203-005065
C222
2203-006208
C308
2203-005571
C309
2203-006257
C310,C325
2203-005682
C311,C312,C313,C314
2203-005682
C315,C316,C317,C318
2203-005682
C319,C417,C418,C430
2203-000812
C321,C322,C504,C537
2203-000550
C401
SEC Code
Design LOC
2203-006053
C402
2404-001225
C405
2203-005482
C406,C408,C411,C412
2203-005482
C415
2203-005682
C431,C432,C433,C434
2203-005682
C435,C436,C439,C440
2203-005682
C441,C442,C443,C444
2203-005682
C445,C446,C447,C461
2203-005682
C462
2203-000386
C501
2203-000995
C502,C518,C538
2203-001412
C503
2203-000254
C507,C508,C541,C542
2203-000233
C515,C516,C517,C526
2203-005288
C519
2203-002677
C527,C528,C530,C532
2203-000233
C529,C543,C548
2203-002677
C535,C536
2203-000254
C544,C158,C159
2203-001383
C545
2203-000812
C546,C547
3709-001229
CN101
NEW-IC00009
CN102
NEW-IC00010
CN302
3711-004621
CN303
3710-001105
CN401
3708-001853
CN402
NEW-IC00012
CN403
0404-001172
D401
2901-001260
F401,F402,F403,F406
2901-001260
F407,F408
NEW-IC00013
F502
3301-001362
L101
2703-001734
L502
2703-002485
L503
2703-002484
L504
2703-002608
L505
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Main Electrical Parts List
4-2
This Document can not be used without Samsung's authorization
SEC Code
Design LOC
0601-001790
LED301,LED302,LED303
0601-001790
LED304,LED305,LED306
0601-001790
LED307,LED308,LED309
0601-001790
LED310
NEW-IC00011
LED311
NEW-IC00008
M101
2801-003856
OSC201
2809-001260
OSC501
0504-000168
Q201
2007-000171
R102,R104,R134,R137
2007-000164
R105,R136,R146
2007-000161
R106
2007-000775
R107
2007-001325
R111
2007-001319
R114
2007-000138
R120,R503,R504
2007-007142
R125,R141,R145,R158
2007-000170
R128
2007-000172
R130,R131,R170,R171
2007-000171
R138,R139,R140,R153
2007-000139
R148
2007-007308
R157,R161
2007-000171
R159,R212,R214,R215
2007-007142
R162
2007-000148
R165,R206,R207,R208
2007-007766
R166,R167,R168,R169
2007-000172
R172,R201,R502
2007-000157
R203,R209,R229,R301
2007-000171
R216,R217,R224,R227
2007-000242
R221
2007-001290
R222,R223
2007-000171
R230,R342,R401,R410
2007-000157
R302,R344
2007-000140
R307,R308,R312,R313
2007-000140
R314,R315,R316,R317
2007-000140
R318,R319,R320,R334
2007-001301
R321,R343
SEC Code
Design LOC
2007-000148
R338,R339,R340,R341
2007-000162
R405,R406
2007-000171
R411,R412,R425
2007-002797
R501
2007-000070
R509
2007-000148
R517
2007-008275
R518
2007-001288
R519,R522
2007-007008
R520,R521,R523,R524
1204-002138
U101
NEW-IC00001
U102
1209-001219
U103
1001-001248
U104
1009-001010
U107
NEW-IC00002
U201
NEW-IC00003
U202
NEW-IC00004
U204
1203-001256
U205
NEW-IC00005
U402
1203-002236
U403
NEW-IC00006
U404
1205-002433
U501
NEW-IC00007
U502
1203-001285
U503
0406-001190
ZD101,ZD304,ZD305
0406-001150
ZD102,ZD310,ZD311
0406-001184
ZD302
0403-001387
ZD303
0406-001190
ZD306
0406-001169
ZD308,ZD309
0406-001150
ZD312,ZD313,ZD314
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Main Electrical Parts List
4-3
This Document can not be used without Samsung's authorization
2.LCD Parts List
SEC Code
Design LOC
GH92-01770A
-
2203-002443
C11
2203-001598
C12,C40
2203-000995
C16,C17,C18
2203-006053
C19
2203-005482
C20
2203-000550
C22
2203-000254
C24,C41
2203-000438
C25
3708-001938
CN12
3708-001853
CN13
3708-001852
CN14
2703-002339
L11
3301-001362
L13,L14
0601-001654
LED11,LED12,LED13
0601-001654
LED14
0504-001141
Q12,Q13,Q14
0505-001518
Q15
2007-001306
R15,R19,R40,R43
2007-000138
R16,R20,R41,R44
2007-003010
R17,R18,R42,R45
2007-000151
R21,R22,R23
2007-000162
R24
2007-000172
R31,R47
2007-000140
R37
2007-003025
R38
2007-001292
R39
2007-000171
R46
1203-002633
U11
1203-002690
U12
0406-001150
ZD1,ZD13,ZD14,ZD15
0404-001172
ZD11
0403-001446
ZD12
0406-001150
ZD16,ZD19,ZD2,ZD3
0406-001169
ZD17,ZD18
0406-001150
ZD4,ZD5,ZD6,ZD7,ZD8
SEC Code
Design LOC
0406-001150
ZD9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
5. SGH-S341i Block Diagrams
5-1
1. RF Solution Block Diagram
Antenna
ASM
RF
FILTER
π/ 2
RF
PLL
PGA
SERIAL DATA
INTERFACE
GSM:890MHz~915MHz
PAM
GSM:925MHz~960MHz
I,Q
CSP2600
TRIDENT HP
DSP16000
ARM946ES
UI
SERIAL
DATA,
CLK,
LE
RF
FILTER
DCS:1805MHz~1880MHz
L
N
A
PGA
A D C
A D C
IF
PLL
DCS:1710MHz~1785MHz
D E T
100KHz
CHANNEL
FILTER
D A C
D A C
PGA
PGA
R X
TCVCXO
13 MHz
C L K
A F C
T X
I,Q
Si 4205
PCS:1930MHz~1990MHz
PCS:1850MHz~1910MHz
RF
FILTER
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i Block Diagrams
5-2
This Document can not be used without Samsung's authorization
2. Base Band Solution Block Diagram
TRIDENT HP
B'D B'D conn.
Audio
Keypad
LCD
Memory part
X-TAL
32.768KHz
RF SOLUTION
- RF IC
- PAM
- MAIN VCO
- TX VCO
- IF VCO
GPIO
POWER
(DC/DC,CHARGER,
SIM)
X-TAL
13MHz
RS232
CSP2600
Audio Part
LCD
KEYBOARD
PSRAM
(32M)
FLASH
ROM
(128M)
TXIP
TXIN
TXQP
TXQN
RXIP
RXIN
RXQP
RXQN
SERCK
SERLE
SERDA
RFOVL
TXP
OCTL
<RF DIRVER>
TXI/Q
RX I/Q
TXP
SERCK
SERLE
SERDA
OCTL
IO
RWN
AB[8:0]
DB[15:0]
INT1
IRQx
PAx
RSTB
IO
RWN
AB[8:0]
DB[15:0]
INT1
IRQx
PAx
RSTB
ARM/DSP
JTAG/ICE
DAICK
DAIRN
DAIDO
DAIDI
DAI
DSPJTAG
JTAG
GPRS
ACC
PPI
(Programmable
Peripheral I/O)
RTC
JTAG/ICE
DSP16000
ARM946ES
core
ICP/IDP
PSRAM
(32M)
FLASH
ROM
(128M)
CAMERA
IRDA
TIMER
BIO
USB
TIMER
USB
SAMSUNG Proprietary-Contents may change without notice
6. SGH-S341i PCB Diagrams
6-1
This Document can not be used without Samsung's authorization
1. Main PCB Top Diagram
ANT501
C
1
0
1
C102
C
1
0
3
C
1
0
4
C
1
0
5
C106
C
1
0
7
C108
C
1
0
9
C110
C
1
1
1
C112
C113
C114
C
1
1
5
C
1
1
7
C118
C
1
1
9
C120
C
1
2
2
C123
C124
C126
C127
C
1
2
8
C
1
2
9
C
1
3
0
C131
C
1
3
2
C133
C
1
3
4
C
1
3
5
C137
C
1
3
8
C139
C140
C141
C
1
4
2
C
1
4
5
C
1
4
6
C
1
4
7
C
1
4
8
C149
C152
C
1
5
3
C154
C
1
5
5
C
1
5
6
C157
C
1
5
8
C
1
5
9
C
2
0
1
C202
C203
C
2
0
4
C205
C
2
0
6
C207
C
2
0
8
C209
C
2
1
0
C
2
1
1
C
2
1
2
C213
C214
C
2
1
5
C
2
1
6
C
2
1
7
C218
C219
C220
C
2
2
1
C222
C
2
2
3
C301
C
3
0
2
C
3
0
7
C308
C
3
0
9
C
3
1
0
C311C312C313C314
C
3
1
5
C
3
1
6
C317
C318
C319
C324
C
3
2
5
C
4
0
1
C
4
0
4
C
4
0
5
C406
C
4
0
7
C
4
0
8
C411
C
4
1
2
C
4
1
5
C
4
1
6
C
4
6
3
C501
C502
C503
C504
C505
C506
C507
C508
C512
C
5
1
5
C
5
1
6
C
5
1
7
C518
C519
C526
C527
C528
C529
C530
C532
C535
C536
C537
C538
C539
C540
C541
C542
C543
C544
C545
C546
C547
C548
C
N
1
0
0
3
CN101
C
N
1
0
2
C
N
3
0
2
C
N
3
0
3
CN401
C
N
4
0
3
D
O
M
H
O
L
E
1
D
O
M
H
O
L
E
3
F
F
5
0
2
G
1
G
2
G
3
G
4
G
N
D
L502
L
5
0
3
L
5
0
4
L
5
0
5
L506
LED311
M
1
0
1
M
A
IN
_
M
IC
M
IC
_
H
O
L
E
O
S
C
2
0
1
OSC501
Q201
R
1
0
1
R
1
0
2
R103
R104
R
1
0
5
R106 R107
R
1
1
1
R
1
1
4
R
1
2
0
R123
R
1
2
5
R128
R130
R131
R134
R135
R
1
3
6
R137
R138
R139
R140
R
1
4
1
R144
R
1
4
5
R
1
4
6
R148
R153
R157
R158
R161
R162
R163
R165
R166
R167
R
1
6
8
R
1
6
9
R
1
7
0
R
1
7
1
R172
R201
R
2
0
3
R204
R
2
0
5
R206
R207
R208
R
2
0
9
R
2
1
0
R
2
1
1
R
2
1
2
R
2
1
3
R
2
1
4
R
2
1
5
R216
R
2
1
7
R
2
1
8
R
2
1
9
R
2
2
0
R
2
2
1
R
2
2
2
R
2
2
3
R
2
2
4
R
2
2
5
R
2
2
6
R
2
2
7
R228
R
2
2
9
R230
R
3
0
1
R
3
0
2
R307
R308
R312
R313
R314
R315
R316
R317
R318
R319
R320
R
3
2
1
R334
R
3
3
8
R
3
3
9
R
3
4
0
R
3
4
1
R342
R
3
4
3
R344
R
4
0
1
R
4
0
5
R
4
0
6
R
4
1
0
R
4
1
1
R
4
1
2
R
4
2
5
R501
R502
R503
R504
R509
R517
R518
R519
R
5
2
0
R521
R522
R
5
2
3
R524
T
C
K
T
D
I
T
D
O
T
M
S
T
P
1
0
5
T
P
1
0
6
T
P
1
0
7T
P
1
0
8
T
P
1
1
0
T
P
1
1
1
T
P
1
1
2
T
P
1
1
3
T
P
2
0
1
T
P
2
0
2
T
P
2
0
4
T
P
2
0
5
T
P
2
0
6
T
P
2
1
0
T
P
2
1
1
T
P
2
1
3
T
P
2
1
4
T
P
4
0
0
T
P
4
0
1
T
R
S
T
U
1
0
1
U
1
0
2
U103
U
1
0
4
U
2
0
1
U202
U204
U205
U402
U403
U404
U
5
0
1
U
5
0
2
U
5
0
3
U505
Z
D
1
0
1
ZD102
ZD302
Z
D
3
0
3
Z
D
3
0
4
Z
D
3
0
5
Z
D
3
0
6
ZD313
ZD314
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i PCB Diagrams
6-2
This Document can not be used without Samsung's authorization
※
2. Main PCB Bottom Diagram
0
1
2
3
4
5
6
7
8
9
C150
C151
C
3
2
0
C
3
2
1
C
3
2
2
C402
C417
C418
C430
C431
C432
C433
C434
C435
C436
C439
C440
C441
C442
C443
C444
C445
C446
C447
C461
C462
CN301
C
N
4
0
2
D401
F
3
F
4
F
4
0
1
F
4
0
2
F
4
0
3
F
4
0
6
F
4
0
7
F
4
0
8
L101
LED301
LED302
L
E
D
3
0
3
LED304
LED305
L
E
D
3
0
6
LED307
LED308
LED309
LED310
R
1
5
9
R160
U107
Z
D
3
0
8
Z
D
3
0
9
Z
D
3
1
0
Z
D
3
1
1
Z
D
3
1
2
SAMSUNG Proprietary-Contents may change without notice
SGH-S341 PCB Diagrams
5-3
This Document can not be used without Samsung's authorization
3. LCD PCB Top Diagram
C11
C12
C13
C14
C
1
6
C
1
7
C
1
8
C19
C20
C25
C
2
8
C
2
9
C
3
0
C
3
1
C
3
2
C
3
3
C
3
4
C
3
5
C
3
6
C
3
7
C
4
0
C41
C42
C44
C
4
5
C46
CN12
C
N
1
3
C
N
1
4
L
1
1
L
1
3
L
1
4
L15
Q12
Q13
Q14
Q
1
5
R
2
1
R22
R23
R
3
7
R38
R39
R47
R48
R49
R50
S
P
K
1
T
P
1
T
P
2
U11
U12
Z
D
1
ZD11
ZD12
Z
D
1
3
Z
D
1
4
ZD15
ZD16
ZD17
Z
D
1
8
Z
D
2
Z
D
3
Z
D
4
Z
D
5
ZD6
ZD7
ZD8
ZD9
SAMSUNG Proprietary-Contents may change without notice
SGH-S341i PCB Diagrams
6-4
This Document can not be used without Samsung's authorization
4. LCD PCB Bottom Diagram
C
L
R
E
N
D
_
P
W
R
IN
T
E
R
N
E
T
L
E
D
1
1
L
E
D
1
2
L
E
D
1
3
L
E
D
1
4
LEFT
M
E
N
U
O
V
E
R
R
1
5
R
1
6
R
1
7
R
1
8
R
1
9
R
2
0
R
4
0
R
4
1
R
4
2
R
4
3
R
4
4
R
4
5
RIGHT
S
E
N
D
S
T
O
U
N
D
E
R
ZD19
ELECTRONICS
Samsung Electronics Co.,Ltd. AUG. 2004
Printed in Korea.
Code No.: GH68-05745A
BASIC.
ⓒ
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Wyszukiwarka
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