Table of Contents
Advertisement
Flow Chart of Troubleshooting
9-1-3. Sim Part
Phone can't access SIM Card
SIM300 Voltage = 3V
connector's to SIM card
Check the related circuit of SIM300
Check the circuit around U300 output and
voltage supply circuitry
VSIM_3.0V
SIM_RST
SIM_CLK
This Document can not be used without Samsung's authorization
YES
Check the pin 1 of
YES
Check the SIM
YES
YES
YES
END
C300
C301
C302
C303
SAMSUNG Proprietary-Contents may change without notice
NO
Check the circuit related to
NO
NO
Check the related circuit of
NO
Check the related circuit of
SIM300
1
6
6
1
2 2
5 5
3
4
3
4
7
12 12
7
8 8
11
11
9 9
10 10
G
G
G
G
16
15
14
13
9-6
U300
Resolder or change
SIM300
SIM300
U300
SIM_IO
C304
Advertisement
Table of Contents
