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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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7-
3
R106
VCCOPLL
J2
VCCTXVCO
J3
CLKOUT1
G9
VCCTXVCOG
H6
VCCCLK
E9
CLK
F8
VCCMASH
G8
DCSLNAIB
D1
DCSGSM1GND
D2
DIVON
D8
CLKOUT2
D9
VCCRFVCO
B6
DCSLNAI
C1
CLK2CONT
C8
VCCBB
A7
VCCRFSYN
A8
VCCBUF
A9
VCCMIX
B3
CAPIB
B4
CAPQB
B5
VCCLNA
A3
CAPQ
A5
VCCRFLO
A6
U100
R103
C116
TP100
R102
C120
R105
DCS_RX_N
DCS_RX_P
RF_CLK
D_REF_CLK
26MHz Clock
Typical 3.7V
1.8V
R401
L401
R403
C403
C401
FB
4
GND
2
1 IN
5
LX
3
_SHDN
U402
L402
C402
+VDD_IO_HIGH
VBAT
+VDD_GSM_CORE