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SGH-S400i Flow Chart of Troubleshooting
2-
35
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2-2-4. DCS/PCS TX
TX ON
(Level : 5)
Battery voltage : 3.8V
Check the RFS100
Pin #2 ≥ 29dBm ?
No
Check the DUF100
Pin #17 ≥ 29dBm ?
Check the PAM102
Pin #19 ≥ 29dBm ?
Check the RFS100
Resolder or Change
DUF100
Check the
PAM102 and R114
END
No
No
Yes
Yes
Yes
Check the OSC101
Pin #3 ≒ 13MHz ?
Check the OSC101
No
Yes