Sharp SGH-I600 manual Wcdma 2100 Receiver, RX on

Flow Chart of Troubleshooting

9-15. WCDMA 2100 Receiver

RX ON

RF Input : Center CH Freq

Amplitude : -50dBm

Yes

L800>=-60dBm

Yes

L805>=-65dBm

Yes

C831>=-60dBm

Yes

C828>=-60dBm

Yes

Check & Resoldering U802

(WCDMA Receiver-RFR6250)

Yes

END

No

No

No

No

Check & Resoldering U701

(ASM)

Check & Resoldering F801

(Duplexer)

Check & Resoldering U802

(LNA)

Check & Resoldering F802 (W CDMA Rx SAW Filter)

9-46

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