Samsung SGH-P270 Service Manual page 47

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9-6. DCS RX
RX ON
AMP--50dBm
MOD100 PIN20
≥ -65dBm
NO
MOD100 PIN5,6
≥ -70dBm
NO
U100 PIN22,23
≥ -75dBm
NO
Check U100, UCP300
END
YES
Re-solder RFS100,
L102, C103
YES
PIN15=L, PIN14=H
YES
Re-solder or Change
C108, C111, L116
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Check MOD100
PIN13=H
YES
9-29
Flow Chart of Troubleshooting
Check Antenna
Switch Control
Re-solder or Change
MOD100

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