Sharp SGH-I600 manual GSM Transmitter

Page 87

Flow Chart of Troubleshooting

9-10. GSM Transmitter

TX ON (5Level)

Yes

PAM702 pin 6(R709)>=1V

Yes

VCO800(TXVCO)

pin1(R801)>=3dBm

Yes

PAM702 pin9(C720)>=33dBm

Yes

U701(ASM)

pin22(C713)>=32dBm

Yes

Check UCP600(MSM6275)

Yes

END

No

No

No

No

Resolder PAM702(PAM)

Resolder VCO800(TXVCO)

Resolder PAM702(PAM)

Resolder U701(ASM)

9-36

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Image 87

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