SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-34
This Document can not be used without Samsung's authorization
Check F100
Pin#3
-55dBm
8-3-21. WCDMA1900 RX
Band : WCDMA1900
CELL power : -50dBm
Channel : 9800Ch
NORMAL CONDITION
Catch the channel?
check ANT contact
END
NO
YES
Check U101
Pin#33,Pin#34
-55 dBm
C193,C194,C197,C203
L123,L126,L124
re-solder or change
NO
Check F100 ENABLE
C142
2V
C143,C144,C145
0V
Change PBA
NO
YES
YES
YES
RFS100, C112, C116, C103
change or re-solder
NO
Check F100 VBAT
Pin#9
2.5V
Change PBA
NO
Check TCXO CLOCK
19.2MHz @ C210
OSC100,C210
re-solder or change
NO
YES
YES
Check U101
YES
U101
re-solder or change
NO