Sharp SGH-T519 manual Sim Part, Voltage is 2.8V at C306?

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Flow Chart of Troubleshooting

10-1-3. Sim Part

"Insert SIM" is displayed on the LCD

The voltage is 2.8V at C306?

YES

Is there any signal pin C305, C308, C309?

YES

Check the SIM Card

END

NO

Check the UCD301

NO

Check the UCD301 & UCP201

10-6

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

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Contents GSM Telephone Contents PCB Diagrams Block Diagrams Code No. GH68-12034A 2006 . Rev.1.0 Safety Precautions Repair PrecautionESDElectrostatically Sensitive Devices Precaution Specification General IntroductionSpecification GSM General SpecificationGSM TX power class Power GSM850 ControlEdge TX Power Level Power GSM850 Control LevelProduct Function Main FunctionCircuit Description RF Circuit Description of SGH-T519Power AMP PAM400 Baseband Circuit description of SGH-D407WM8955LUCD401 Samsung Proprietary-Contents may change without notice Test Command & Test Procedure Calibration ProgramTx Power Tune up Procedure Samsung Proprietary-Contents may change without notice Samsung Proprietary-Contents may change without notice Array course control Downloading Binary Files Pre-requsite for DownloadingS/W Downloader Program Samsung Proprietary-Contents may change without notice Select theFlash&Verify Browse #1234# Exploded View and its Partslist Cellular phone Exploded ViewCellular phone Parts list CBF INTERFACE-DATA Link Cable Disassembly and Assembly instructions DisassemblyDetach a LCD from LCD braket Assembly Absorber PBA Solder the intenna Place the camera SCREW.4 Point Main Electrical Parts List IC-POSI.FIXED REGIC-POWER Supervisor 2007-000157 R428 2007-007316 R304 CER,CHIP 2203-000254 C213 2203-005061 C451 2203-006121 C306 2203-006423 C301 TA,CHIP OSCILLATOR-VCTCXO Flow Chart of Troubleshooting Power on10-2 Flow Chart of Troubleshooting 10-3 Initial YES END10-5 Sim Part Voltage is 2.8V at C306?10-7 LCD Display part 10-9 10-10 Microphone Part 10-12 Speaker Part YES10-14 Flow Chart of Troubleshooting 10-15 Receiver Part Flow Chart of Troubleshooting 10-17 Camera part 10-19 Flow Chart of Troubleshooting 10-20 10-1-9. Mp3 part 10-22 Flow Chart of Troubleshooting 10-23 Flow Chart of Troubleshooting 10-24 10-2. RF GSM900 RXFlow Chart of Troubleshooting 10-26 GSM1800 RX GSM1900 RX GSM850 RX GSM850 / GSM900 TX Flow Chart of Troubleshooting 10-31 DCS1800 & PCS1900 TX 10-33 PCB Diagrams Fpcvol140 Block Diagrams Reference data Reference Abbreviate