Samsung SCH-N500 Service Manual page 39

7-2-1 Check RX path
Check RX path Check RX path
RF Local signal RF Local signal
(1739.28~1786.74MHz ) (1739.28~1786.74MHz )
exist at C308 ? exist at C337 ?
Yes Yes
Check Gain Characteristics Check Gain Characteristics Check Gain Characteristics
Duplexer(F401),LNA(U303), Duplexer(F401),LNA(U303), Duplexer(F401),LNA(U303),
RF SAW(F300) RF SAW(F300) RF SAW(F300)
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This Document can not be used without Samsung's authorization
No No
Check OSC301,CP_Rx leve at R317 Check OSC301,CP_Rx leve at R317
and its neighboring circuits and its neighboring circuits
7-11
Flow Chart of Troubleshooting