Sim Part - Samsung GT-B2100 Service Manual

10-3. SIM Part

"Insert SIM" is displayed on the LCD
The voltage is 3.0V
at the pin#1 SIM300
Is there any signal pin
#2,3,4 of SIM300?
Check the SIM Card
SIMRST
SIMCLK
Yes
Yes
END
VDD_SIM_3.0V
C317
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No
Check U200, C304
No
Check U200, PMU300
C108
L102
C102
L100
U407
RFS100
13 L111 L108 L106
R101
R103
C126
C124 C127
R102 C115
SIM300
6 6
1 1
5
2 2 5
4 4
3 3
7 12 12
7
8 8 11 11
9 9 10 10
G G G G
16 15 14 13
10-5
Flow Chart of Troubleshooting
C432
C425 C435
ZD403 ZD404
R308
SIMIO
C318