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9-15. GSM Transmitter
TX ON (5 Level)
Yes
R126
≥2.5V
No
VCO100 pin1
≥2dBm
No
U100(ASM) pin13
<= 20dBm
No
C100 ≥25dBm
Yes
R124
≥0.2V
Yes
Check UCP300(MSM)
END
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Yes
Cheak PMIC
Yes
Resolder VCO100
Yes
Resolder PAM100
No
Replace U100(ASM)
No
Check VCO100 & U101
9-27
Flow Chart of Troubleshooting
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