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Flow Chart of Troubleshooting
9-23
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FEM100
CHECK
pin2
≥
-65dBm ?
9-2-5. WCDMA Band1 RX
YES
FEM100,RFS100
resolder or change
NO
YES
NO
FEM100 CHECK
pin18,19
≥
-65dBm ?
FEM100
resolder or change
YES
FEM100 CHECK
pin 7 : 2.9V ?
NO
YES
FEM100
pin20 Vp-p
: 120mV ?
DUF201 UCP300
resolder or change
NO
YES
WCDMA RX path component
resolder or change
NO
WCDMA Receiver is O.K?
END
YES
FEM100, UCP300
resolder or change
CHECK soldered
ANT
contact, C115,
L
117, L120
NO
NORMAL CONDITION
catch the channel?
Содержание GT-S3370
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