Samsung SGH-i560V Service Manual page 80

Flow Chart of Troubleshooting
9-2-3. Abnormal WCDMA Rx Operation
RX ON
AMP=-50dBm
U202 PIN8
≥ -65dBm
U202 PIN10
≥ -70dBm
DUF300 PIN3
≥ -75dBm
U201 PIN36
≥ -75dBm
U201 PIN34
≥ -75dBm
F200 PIN3,4
≥ -75dBm
Check U201, UCP400
END
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Resolder RFS200,
L203,C236,L219
Check U202
PIN28=H, PIN27=L
PIN1=L
YES
Resolder DUF300,
L312,C303,C332
Resolder or change
C305, C306, L304
Resolder or Change
U201
Resolder or Change
F200, C241, C237, C243,
C238, C244, L205
9-36
Check Antenna
Switch Control
Resolder or Change
U202