LG GT350 - Page 83

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Only for training and service purposes
4. TROUBLE SHOOTING
LG Electronics 80/115 LGE Property
STAR
T
6 pins are
soldered well?
Check Proper SIM
Card
Assemble
Resolder pin
Replace Main Board
Yes
Yes
No
Check All of SIM card voltage
J501 support
2.9V SIM onl
y
GCA26D-6S-H18-E1500
ENSY0025101
J501
9 8
10 7
6 3
5 2
4 1
C1C5
C2C6
C3C7
GND1GND4
GND2GND3
15K
R523
1n
C521
DNI
C522
DNI
R528
220n
C539
22p
C540
SIM_RST
SIM_IO SIM_CLK
2V9_VSIM2V9_VSIM
SIM CONNECTOR