Sim Part - Samsung SGH-X300 Service Manual

2-1-3. Sim Part

"Insert SIM" is displayed on the LCD
The voltage is 2.8V
at the pin#1 of CN200
Is there any signal
pin #2,3,4 of CN200?
Check the SIM Card
VBAT
C11
VDD34
J13
VDD12
N9
UP_CLK
R10
UP_RST
P10
UP_IO
J11
SIM_IO
K11
SIM_RST
K14
SIM_CLK
Yes
Yes
END
C203
C204
SIMCLK
SIMRST
SIMDATA
SGH-X300 Flow Chart of Troubleshooting
No
Check the
No
Check the
CN200
6 6
11
5 5
2 2
4 4
33
GG GG
7 89 10
C205 C206
2-5
U200
U200 & U300
C207 C208
1
2