Samsung GT-S7230E - Page 31

SAMSUNG Proprietary-Contents may change without notice
Level
3
Repair
8-19
This Document can not be used without Samsung's authorization
Check the voltage
PAM100
@
C103

3.0V ?
8-3-10.
DCS/ PCS TX
Put more lead solder
each terminal
Check the connection
C162,C164,L118
Put more lead solder
each terminal
Put more lead solder
each terminal
NO
YES
NO
NO
YES
YES
Check TCXO CLOCK
@
C153=26MHz?
YES
NO
Can't make
a
call in DCS/PCS network
NORMAL CONDITION
catch the channel?
END
Can Phone make
a
call
DCS/PCS network?
YES
Back to
previous step
Replace Board(PBA)
NO
Put more lead solder
@
C104,L105,C170,C168,L101
L102, R100,R101,R102,R103