Sim Part - Samsung SGH-i300 Service Manual

SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams

2-4. SIM Part

Phone can't access SIM
card
Check the
pin 1 of CN701
voltage is 2.8V
Check the
SIM connector CN701
connection to SIM card
END
C11
VDD34
J13
VDD12
N9
UP_CLK
R10
UP_RST
P10
UP_IO
J11
SIM_IO
K11
SIM_RST
K14
SIM_CLK
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Yes
Yes
Yes
C703
SIMCLK
SIMRST
SIMDATA
SAMSUNG Proprietary-Contents may change without notice
No
Check the circuit to
CN701
No
Resolder CN701
C704
C705 C706
2-6
CN701
6
1 1 6
5 5
2 2
4
3 3 4
G G G G
10 9 8 7
C702