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SAMSUNG Proprietary-Contents may change without notice
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Flow Chart of Troubleshooting
9-2
TP_RF_TCXO
R437
R409
R405
C438
C416
C435
R411
1
OSC400
2
R406
3
1
2
D400
TP400
KPD_PWR_N
L4
SLEEP_CLK
K9
XTAL_IN
L11
HSET_BIAS
K1
XTAL_OUT
K11
OPT_2
H8
USB_D_M
J1
VCOIN
J10
USB_D_P
J2
D
N
G
6
G
D
N
G
7
G
SBDT|SSBI
G8
USB_VBUS
H1
TCXO_OUT_1
H10
USB_ID
H2
USB_SE0
H4
D
N
G
7
F
SBCK
F8
PON_RESET_N
G10
VREG_USB
G2
USB_DAT
G4
D
N
G
5
G
SBST
E8
PS_HOLD
F10
TCXO_OUT_RF
F11
USB_OVP_G
F2
USB_OE_N
F4
D
N
G
5
F
D
N
G
6
F
REF_GND
E10
TCXO_IN
E11
BAT_FET_N
E2
TCXO_EN_2
E4
D
N
G
5
E
D
N
G
6
E
D
N
G
7
E
REF_ISET
D10
C
N
D
1
1
D
ISNS_P
D2
OPT_1
D4
TCXO_EN_1
D8
VCHG
C1
MSM_INT_N
C10
REF_BYP
C11
CHG_CTL_N
C2
ISNS_M
D1
TCXO_OUT_2
B10
VREG_WLAN
B11
SPKR_IN_M
B5
SPKR_IN_P
B6
SPKR_OUT_M
A5
SPKR_OUT_P
A6
U401
C
N
1
C
N
2
VREG_TCXO
A1
VREG_MSMP_2.6V
R412
C436
R418
VBATT_4.2V
R410
TP401
R408
C415
TP402
TP403
PM_INT
R416
USB_DP_MODEM
USB_DM_MODEM
USB_OE_N
USB_SEO
USB_VBUS_5V
SSBI2_DATA
RESET_N
PS_HOLD
BOOT_SW
ON_SW
USB_DAT
CLK19.2M_TCXO
TCXO_EN
CLK19.2M_PM
PM_INT_N
SLEEP_XTAL_IN
Содержание SGH-F490
Страница 79: ...8 PCB Diagrams 8 1 1 Main top ...
Страница 80: ...PCB Diagrams 8 2 2 Main bottom ...
Страница 103: ...www s manuals com ...