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SGH-E530 Flow Chart of Troubleshooting
2-
6
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2-1-3. Sim Part
END
Check the SIM Card
Yes
Is there any signals
pin#2,#3,#4 of CN400
No
Check the U200
Yes
Check the voltage at
pin#1 of CN400 >= 2.8V
No
Check the U401
Yes
Is the SIM card inserted ?
No
Check the CN400
Yes
"Insert SIM" is displayed on the LCD
C
C440055
C
C440077
C
C440088
G
G
88
99
G
G
G
G
1100
C
C441100
11
11
22
22
33
33
44
44
55 55
66
66
77
G
G
C
CN
N440000
C
C440099
S
SIIM
M__C
CLLK
K
S
SIIM
M__R
RS
ST
T
V
VS
SIIM
M
S
SIIM
M__IIO
O