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Flow Chart of Troubleshooting
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9-23
9-16. PCS Transmitter
L123
≥2.5V
Check PMIC
TX ON (5 Level)
VCO100 pin1
≥2dBm
U102(ASM) pin3
<= 20dBm
C108 ≥25dBm
Resolder VCO100
Resolder U101
Yes
No
No
No
Yes
Yes
Yes
Yes
No
R120
≥0.2V
Check VCO100 & U102
Yes
No
END
Check UCP300(MSM)
Replace U100(ASM)