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Flow Chart of Troubleshooting
7-8
SIM
INTERFACE
SI
M
SIM_RST
Baseband power suppl
PUM
P
CLOCK
CHARGE
SIM_VCC
SIM_IO
SIM_CLK
SI
M
GENERATO
R
INTERRUPT
4.7UF
C400
C2
SIMIO
SIMSCN
A1
SIMSCP
B1
SIMVBAT
B2
VCC
RST
SIMCLK
C6
SIMGND
A2
B8
C1
C10
IN
T
IO
D2
C3
CPRES
D1
CLK
VBAT
100NF
C404
100NF
C403
G
9
10
G
1
1
22
3
34
4
55
6
6
G
7
8
G
PC-D6-A6-H2.9-S
CN400
C402
6.3V
C401
4.7UF
100NF
SIMIO
SIMCLK