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Level 3 Repair
8-28
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Check F102
Pin#1
0dBm
Pin#4
0dBm
Check PAM100 VBAT
C169
3.0V
8-3-15. WCDMA900 TX
Band : WCDMA900
Target power : 24dBm
Channel : 3012Ch
Check TCXO CLOCK
19.24MHz @
!
210
OSC100, C210
re-solder or change
Check DUF100 INPUT
Pin#3
20 dBm
L118,C180,C175
re-solder or change
END
NO
NO
YES
YES
Check PAM100 OUTPUT
Pin#14
20dBm
PAM100
re-solder or change
NO
Check PAM100 ENABLE
Pin#5
1.8V
Change PBA
NO
YES
YES
YES
Change PBA (when #1<0dBm)
F102 (when #4<0dBm)
Re-solder or change
NO
Change PBA
NO
YES
Check F100 INPUT POWER
Pin#26
20 dBm
YES
L129, L113
re-solder or change
NO
YES
NO
RFS100,C103,C112,C116
re-solder or change
RFS100
C103
22dBm
Check DUF100 OUTPUT
Pin#6
20 dBm
YES
DUF100
re-solder or change
NO
