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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-35
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9-4. WCDMA RX
RX ON
AMP=-50dBm
PAM100 PIN8
≥ -65dBm
PAM100 PIN10
≥ -70dBm
Re-solder RFS100,
L101, C102
DUF100 PIN3
≥ -75dBm
U101 PIN36
≥ -75dBm
U101 PIN34
≥ -75dBm
F103 PIN3,4
≥ -75dBm
Check U101, UCP300
Check PAM100
PIN28=H, PIN27=L
PIN1=L
END
Re-solder DUF100,
L123, C174
Re-solder or change
C176, C195, L124
Re-solder or Change
U101
Re-solder or Change
F103, C193, L113, C150,
C157, C151, C158
Check Antenna
Switch Control
Re-solder or Change
PAM100
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO