Wcdma Receiver - Samsung SGH-Z400 Service Manual

Flow Chart of Troubleshooting

9-17. WCDMA Receiver

RX ON
Yes
C205
≥ -65dBm
No
C247 ≥ -55dBm
No
C239 >= -60dBm
No
Replace U202 (RFR6250)
END
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Yes
Cheak and resolder DUF201
Yes
Cheak and resolder U202
(LNA)
Yes
Resolder F202 (SAW)
9-24