Samsung SGH-i560V Service Manual page 100

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Flow Chart of Troubleshooting
9-2-8. Abnormal PCS Rx Operation
RX ON
AMP--50dBm
U202 PIN8
≥ -65dBm
U202 PIN6
≥ -70dBm
F206 PIN3,4
≥ -75dBm
U201 PIN44,
45≥-75dBm
Check U201,
UCP400
END
YES
NO
YES
NO
YES
NO
YES
NO
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Resolder RFS200,
L203,C236,L219
Check U202
PIN28=L, PIN27=H
PIN1=H
YES
Resolder or Change
C273,F206
Resolder or Change
C272,C274,L212
PIN28
PIN27
PIN1
9-56
Check Antenna
Switch Control
Resolder or Change
U202

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