Sharp SGH-T519 - page 66

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Flow Chart of Troubleshooting

10-20

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Contents

Main GSM TELEPHONE SGH-T519 GSM TELEPHONE CONTENTS Page Contents Page 1. Safety Precautions 1-1. Repair Precaution 1-2. ESD(Electrostatically Sensitive Devices) Precaution 2. General Introduction 3. Specification 3-1. GSM General Specification GSM850 EGSM900 DCS1800 PCS1900 3-2. GSM TX power class 3-3. EDGE TX Power Level 4. Product Function Main Function 5. Circuit Description < RF Circuit Description of SGH-T519 > < Baseband Circuit description of SGH-D407 > Page Page 6. Test Command & Test Procedure 6-1. Calibration Equipment 6-2. Calibration Program 6-3. Tx Power Tune up Procedure Page Page Page Software Downloading Page Page Page Page 8. Exploded View and its Partslist 8-3 8-1. Cellular phone Exploded View 8-2. Cellular phone Parts list Page Disassembly and Assembly instructions 8-3. Disassembly Page 8-4. Assembly Page Page Page Page 9. MAIN Electrical Parts List Page Page Page Page Page Page Page Page Page Page 10. Flow Chart of Troubleshooting 10-1.Baseband 10-1-1. Power ON 10-2 C313 INTRQ UP_SDI RTCALARM Page 10-1-2. Initial 10-5 C232 C233 R216 R201 UCP201 10-1-3. Sim Part The voltage is 2.8V at C306? Page 10-1-4. LCD Display part 10-9 10-10 10-1-5. Microphone Part 10-12 10-13 10-1-6. Speaker Part 10-14 Page 10-1-7. Receiver Part Page 10-1-8. Camera part 10-19 ZD303 HDC301 PCLK CAM_D(5) Page 10-1-9. Mp3 part 10-22 UCD401 U400 U401 Page Page 10-25 10-2. RF 10-2-1. GSM900 RX Page 10-27 10-2-2. GSM1800 RX 10-28 10-2-3. GSM1900 RX 10-29 10-2-4. GSM850 RX 10-30 10-2-5. GSM850 / GSM900 TX Page 10-32 10-2-6. DCS1800 & PCS1900 TX 10-33 UCD100 MOD100 PAM101 11. PCB Diagrams HDC301 SIM301 BAT300 HDC300 BTC400 MOD100 OSC401 UCP201 UCD401 Page 13. Reference data 13-1. Reference Abbreviate