Sharp SGH-I600 manual Wcdma 2100 Receiver, RX on

Page 97

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

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Image 97

Contents Umts Telephone Contents Reference data Safety Precautions ESDElectrostatically Sensitive Devices Precaution Specification GSM TX power class Product Function Product Function Array course control Second Set Pre-requisite for Download Active sync setting and Driver Installation3. S/W Download Process How to connect the device to your host computerLoad the binary download program by executing Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Multi-download is almost same as single download User ROM Upgrader unknown.exe Download Procedure Download is completed Samsung Proprietary-Contents may change without notice Exploded View/Disassembly&Assembly Instructions Cellular phone Parts list AUDIO-RECEIVER Disassembly and Assembly Instructions ― Disassembly Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice ― Assembly Bracket Joint the Receiver connector Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Main Electrical Parts List Main Electrical Parts List C326 C465 C600 DNA CONNECTOR-CARD Edge FILTER-EMI SMD LAN Module R204 R423 CONNECTOR-FPC/FFC/PIC IC-CMOS Logic DIODE-ZENER Block Diagrams Base Band Solution Block Diagram PCB Diagrams PCB Diagrams Power On Flow Chart of TroubleShootingFlow Chart of Troubleshooting Samsung Proprietary-Contents may change without notice Phone Part U302 & neighboring circuits UME300 & neighboring circuits U602 & neighboring circuits U400 & neighboring circuits TR401 & neighboring circuits UCP600 & neighboring circuits TCX801 & neighboring circuits Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice LCD Working Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Speaker Working Audio WorkingReciever Working MIC Working Hands-Free Stereo Headset Working Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice KEY Working Samsung Proprietary-Contents may change without notice Vibrator Working Samsung Proprietary-Contents may change without notice Flash Card Working Samsung Proprietary-Contents may change without notice Bluetooth Working Samsung Proprietary-Contents may change without notice Wireless LAN Wlan Working Samsung Proprietary-Contents may change without notice GSM Receiver Samsung Proprietary-Contents may change without notice GSM Transmitter Samsung Proprietary-Contents may change without notice DCS Receiver Samsung Proprietary-Contents may change without notice DCS Transmitter Samsung Proprietary-Contents may change without notice END PCS ReceiverSamsung Proprietary-Contents may change without notice PCS Transmitter same as DCS Samsung Proprietary-Contents may change without notice RX on Wcdma 2100 ReceiverSamsung Proprietary-Contents may change without notice Wcdma 2100 Transmitter Vddm Samsung Proprietary-Contents may change without notice Reference data Reference data 10-2