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Level 3 Repair
8-27
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Check F104
Pin#1
0dBm
Pin#4
0dBm
Check PAM102 VBAT
C190
3.0V
8-3-14. WCDMA1900 TX
Band : WCDMA1900
Target power : 24dBm
Channel : 9800Ch
Check TCXO CLOCK
19.24MHz @
!
210
OSC100, C210
re-solder or change
Check DUF101 INPUT
Pin#3
20 dBm
L125, C201, C211
re-solder or change
END
NO
NO
YES
YES
Check PAM102 OUTPUT
Pin#9
20dBm
PAM102
re-solder or change
NO
Check PAM102 ENABLE
Pin#5
1.8V
Change PBA
NO
YES
YES
YES
Change PBA (when #1<0dBm)
F104 (when #4<0dBm)
Re-solder or change
NO
Change PBA
NO
YES
Check F100 INPUT POWER
Pin#25
20 dBm
YES
L122, C191
re-solder or change
NO
YES
NO
RFS100,C103,C112,C116
re-solder or change
RFS100
C103
22dBm
Check DUF101 OUTPUT
Pin#6
20 dBm
YES
DUF101
re-solder or change
NO
