Samsung SGH-F480 Cell Phone User Manual


 
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Flow Chart of Troubleshooting
9-13
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R414
L402
L11
XTAL_IN
K6
VSW
_
S3
J10
VCOIN
K11
XTAL_OUT
G2
V
REG_USB
G8
SBDT|SSBI
F8
SBCK
E8
SBST
E2
AT_FET_N
C2
G_CTL_N
D1
ISNS_M
D2
ISNS_P
C1
B11
EG_WLAN
A1
EG_TCXO
OSC400
2
1
R433
18PF
C440
R432
C421
18PF
VBATT_4.2V
PS_HOLD
RTC_BACKUP
SSBI2_DATA
C321
C
3
2
5
C
3
2
9
C
3
3
4
C
3
5
2
C
3
5
8
C
3
6
5
C
3
6
6
C367
C372
C
4
0
0
C
4
0
1
C
4
0
2
C403
C404
C405
C
4
0
6
C407
C
4
0
8
C409
C410
C
4
1
1
C413
C
4
2
0
C
4
2
1
C422
C
4
2
3
C
4
2
5
C
4
2
6
C
4
2
7
C
4
2
8
C
4
2
9
C
4
3
0
C431
C432
C433
C
4
3
4
C435
C
4
3
6
C
4
3
7
C438
C
4
3
9
C
4
4
0
C
4
4
1
C
4
4
2
D
4
0
0
L
4
0
0
L401
L402
O
S
C
4
0
0
P
M
_
IN
T
R317
R
3
1
8
R319
R320
R321
R323
R324
R411
R
4
1
4
R415
R
4
1
7
R419
R421
R
4
3
2
R
4
3
3
S
C
1
0
4
S
C
1
0
5
TP_AMUX_OUT
TP_MODE300
T
P
_
M
O
D
E
3
0
1
TP_RF_TCXO
T
P
_
T
C
X
O
_
E
N
U
4
0
0
C
4
4
5
C
4
4
6
C
4
4
7
C
4
4
8
C449
C501
C
5
0
4
C
5
0
8
C
6
1
7
C618
C
6
2
2
C
6
2
3
D
4
0
1
R418
R
4
2
9
R
5
0
4
R
5
0
6
R
5
0
7
R
5
1
1
R
5
1
2
R
5
1
4
R
5
1
6
R625
S
IM
4
0
0
T
P
_
D
5
0
0
4
0
2
U
U
6
1
0
U
6
1
2