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Flow Chart of Troubleshooting
9-29
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9-6. DCS RX
Check U100, UCP300
RX ON
AMP--50dBm
Re-solder RFS100,
L102, C103
MOD100 PIN20
≥
-65dBm
YES
Check Antenna
Switch Control
NO
YES
Check MOD100
PIN15=L, PIN14=H
PIN13=H
MOD100 PIN5,6
≥
-70dBm
Re-solder or Change
MOD100
YES
NO
Re-solder or Change
C108, C111, L116
U100 PIN22,23
≥
-75dBm
YES
NO
END
Summary of Contents for SGH-P270
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