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Flow Chart of Troubleshooting
9-2-7. TD-SCDMA Receiver
**If you check the RX chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Continuous RX ON
RF Input : 10087 CH
AMP : -50Bm
NORMAL CONDITION
Catch the channel ?
YES
C104 ≥ -65dBm ?
YES
U103 check
Pin #7,8 ≥ -65dBm ?
YES
U202 check
Pin #G1,H1 ≥ - 65dBm ?
YES
THE END
NO
NO
NO
NO
SAMSUNG Proprietary-Contents may change without notice
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Check antenna contact
Resolder RFS101
Replace U103
Check the path from
U103 to U202
9-31
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