User Guide

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SGH-C110 Flow Chart of Troubleshooting
2-14
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11. GSM Transmitter
Pin11 of U104
≥30dBm
TX On
(Level : 5)
Battery Voltage : 3.8V
Pin 1 of U103
≥30dBm
Pin64 of U100
≥9dBm
Yes
No
No
Pin 7 of U102
≥30dBm
Yes
No
Yes
No
Yes
Check the U104
Check the U103
Check U102
Check U100
END
Pin 2 of
CN100
≥30dBm
No
Check the CN100