Advertisement
Level 3 Repair
8-3-7. WCDMA Band 8 RX
Phone can't catch WCDMA900 network
NORMAL CONDITION
@CN100
Check the connection
PAM100 @C103 3.0V ?
catch the channel?
YES
PAM100 CHECK
-65dBm ?
YES
C106, C107 L107
YES
Check the voltage
YES
Replace Board(PBA)
previous step
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
Put more lead solder
@C104,L105,C170,L120,L101
L102, R100,R101,R102,R103
NO
Put more lead solder
@CN100,L120,L101,L102
NO
Put more lead solder
each terminal
NO
Put more lead solder
each terminal
NO
Back to
8-14
CONTINUOUS RX ON
RF INPUT : 10700CH
Amplitude : -50dBm
Does Phone catch
WCDMA900 network?
YES
END
Advertisement
