SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-28
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9-5. EGSM RX
RX ON
AMP--50dBm
MOD100 PIN20
≥ -60dBm
YES
Re-solder RFS100,
L102, C103
Check Antenna
Switch Control
NO
Check MOD100
PIN15=L, PIN14=L
PIN13=H
MOD100 PIN3,4
≥ -70dBm
YES
Re-solder or Change
MOD 100
YES
NO
U100 PIN24,25
≥ -75dBm
YES
Re-solder or
Change
C104, C107, L100
NO
Check U100,
UCP300
END
Summary of Contents for SGH-P270
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