Gsm Transmitter - Samsung SGH-I600 Service Manual

Flow Chart of Troubleshooting

9-10. GSM Transmitter

PAM702 pin 6(R709)>=1V
PAM702 pin9(C720)>=33dBm
pin22(C713)>=32dBm
Check UCP600(MSM6275)
TX ON (5Level)
Yes
Yes
VCO800(TXVCO)
pin1(R801)>=3dBm
Yes
Yes
U701(ASM)
Yes
Yes
END
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No
Resolder PAM702(PAM)
No
Resolder VCO800(TXVCO)
No
Resolder PAM702(PAM)
No
Resolder U701(ASM)
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