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8-3-22. WCDMA900 RX
Pin#31,Pin#32
SAMSUNG Proprietary-Contents may change without notice
NORMAL CONDITION
Catch the channel?
YES
Check F100
Pin#3
-55dBm
YES
Check F100 VBAT
Pin#9
2.5V
YES
Check F100 ENABLE
C142,C144
2V
C143,C145
0V
YES
Check U101
-55 dBm
YES
Check TCXO CLOCK
19.2MHz @ C210
YES
Check U101
YES
END
This Document can not be used without Samsung's authorization
NO
NO
RFS100,C112,C116,C103
NO
NO
NO
NO
NO
8-35
Level 3 Repair
Band : WCDMA900
CELL power : -50dBm
Channel : 3012Ch
check ANT contact
change or re-solder
Change PBA
Change PBA
C171,C178,L116
re-solder or change
OSC100,C210
re-solder or change
U101
re-solder or change
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